Setup Docker builds and optimize Dockerfile layers (#33)

* feat(ci): Setup docker builds for GUI

* refactor(ci):  Split dockerfile into layers

.codegraph/.gitignore

@@ -0,0 +1,5 @@
+# CodeGraph data files — local to each machine, not for committing.
+# Ignore everything in .codegraph/ except this file itself, so transient
+# files (the database, daemon.pid, sockets, logs) never show up in git.
+*
+!.gitignore

.dockerignore

@@ -0,0 +1,21 @@
+node_modules/
+.git/
+.gitignore
+.gitattributes
+*.md
+.editorconfig
+.prettierrc
+.prettierignore
+eslint.config.mjs
+.env
+.env*
+tests/
+content/
+docs/
+web/landing/
+web/docs/
+vitest.config.ts
+*.tsbuildinfo
+.next/
+dist/
+.astro/

.github/workflows/build-image.yml

@@ -0,0 +1,65 @@
+name: Build Docker Image
+
+on:
+  push:
+    branches: [master]
+    tags: ["v*"]
+    paths-ignore:
+      - 'web/docs/**'
+      - 'web/landing/**'
+      - 'content/**'
+      - 'README.md'
+      - 'CONTRIBUTING.md'
+      - '.github/workflows/deploy-docs.yml'
+  pull_request:
+    branches: [master]
+    paths-ignore:
+      - 'web/docs/**'
+      - 'web/landing/**'
+      - 'content/**'
+      - '*.md'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}/omnia-gui
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha,format=short
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: apps/gui/Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          provenance: false

.github/workflows/deploy-docs.yml

@@ -5,9 +5,9 @@ on:
     branches:
       - master
     paths:
-      - 'web/docs/**'
-      - 'pnpm-lock.yaml'
-      - '.github/workflows/deploy-docs.yml'
+      - "web/docs/**"
+      - "pnpm-lock.yaml"
+      - ".github/workflows/deploy-docs.yml"
   workflow_dispatch:
 
 jobs:
@@ -28,7 +28,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 22
-          cache: 'pnpm'
+          cache: "pnpm"
 
       - name: Install Dependencies
         run: pnpm install --frozen-lockfile
@@ -41,4 +41,4 @@ jobs:
         with:
           apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
           accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
-          workingDirectory: 'web/docs'
+          workingDirectory: "web/docs"

.gitignore

@@ -60,3 +60,5 @@ data/
 
 # Vercel
 .vercel
+
+__local_notes/

README.md

@@ -17,7 +17,7 @@
 The <b>world state lives outside the model</b>, characters act through <b>intents that get validated</b> and applied by engine code. Each character's knowledge, memory, and emotional state are subjective and partial by construction.
 
 <p align="center">
-  <img src="./web/docs/src/assets/img/puppet.webp" />
+  <img src="./web/docs/src/assets/img/puppet.webp" alt="This pixel-art style image, set against a black background with the title 'The Puppet Master Paradox' at the top, depicts two identical, stylized puppets with white, round heads and orange patterned bodies facing each other. Between them hovers a small, glowing, four-pointed star, while each puppet has an orange-outlined speech bubble above it: the left one states, 'Good evening. Welcome to my humble bakery!', and the right one replies, 'Nice to meet you Assassin Bob. Wait... wha-', concluding with a small white 'X' icon in the bottom right corner." />
 </p>
 
 Single-agent or single-context systems (AI Dungeon and its descendants) prompt one model to _be_ the world and everyone in it. That breaks in predictable ways over long sessions:
@@ -41,7 +41,7 @@ Omnia answers every one of these failures with the same move: **pull the thing t
 ## What this buys you
 
 <p align="center">
-  <img src="./web/docs/src/assets/img/features.webp" />
+  <img src="./web/docs/src/assets/img/features.webp" alt="This pixel-art image features a grid of six distinct panels, each with an orange-outlined, jagged border, illustrating different concepts: 'Emergent Deceit' shows a person hiding a sword behind their back while offering a rose to another person; 'Divergent Perceptions' depicts two figures sitting at a table with speech bubbles labeled 'A' and 'B'; 'Player Agnostic' shows three figures engaged in different activities—watering a plant, standing still, and juggling—under the plumbob symbol from the sims; 'State Validated Agency' displays a stylized symbol of a person partially inside a portal crossed out by a large red 'X'; 'Deterministic Time' shows four circular panels representing a day-night cycle connected by arrows and clock icons; and 'Bring Your Own Model' features a large, central omnia icon surrounded by various LLM model logos including chatgpt, mistral, deepseek, claude, etc****" />
 </p>
 
 The payoff is scenario complexity that **uni-agent systems structurally cannot represent, no matter how good the model gets**.
@@ -122,7 +122,7 @@ Space is a graph: `world → region → location → point of interest`, connect
 ### Memory Tiers
 
 - **Verbatim Buffer (implemented):** Per-character subjective event log. Every entry is stored from the owner's perspective actors resolved through the owner's alias map, outcomes attached — and recalled with naturalized time phrasing.
-- **Vector Archive (planned):** Summarized, embedded memory entries for semantic retrieval, keeping verbatim quotes only for high-salience lines.
+- **Vector Archive (implemented):** Summarized, embedded memory entries for semantic retrieval, keeping verbatim quotes only for high-salience lines.
 - **Dossier (planned):** Each observer's subjective beliefs about another character.
 
 Memory is per-character on purpose: recall is testimony from a vantage point, which is what makes interrogating two witnesses interesting.
@@ -148,7 +148,7 @@ The bundled demo scenario is exactly this: [`talking-room`](./content/demo/scena
 
 ## Project Status: What `v0` Means
 
-The finish line for the first milestone is small on purpose.
+The finish line for the first milestone is small on purpose. `v0` is almost on the horizon. All assigned systems for `v0` have been implemented and tested throughout.
 
 **Currently Implemented:**
 
@@ -163,13 +163,11 @@ The finish line for the first milestone is small on purpose.
 **[The `v0` Milestone:](https://github.com/sortedcord/omnia-consolidated/milestone/1)**
 
 - [x] Two hand-authored NPCs live in one location, playable via CLI.
-- [ ] Each has buffer and vector-archive memory and recalls something said a few turns earlier. _(buffer: done; vector archive: not started)_
+- [x] Each has buffer and vector-archive memory and recalls something said a few turns earlier.
 - [x] One NPC knows a fact the other does not and, provably by testing, will not leak it.
 - [x] The Architect processes at least one non-trivial action per exchange with a visible state change.
 - [x] The whole thing persists to a SQLite file and reloads identically.
 
-**Explicitly out of scope for `v0`:** Constraint validators (beyond basic sense-checking), multi-location perception, affect-vector decay math, the Dossier, whims/simulation tiering, the delta ledger.
-
 ### A Note on Tech Debt
 
 The Architect currently trusts an LLM's judgement about reasonable consequences rather than validating every change against declarative constraints. A general constraint solver is worth building eventually, but building it before anything is playable is foundational perfectionism that produces beautiful architecture and no framework. `v0` keeps the single-call Architect on purpose.

apps/gui/Dockerfile

@@ -0,0 +1,59 @@
+FROM node:22-slim AS base
+ENV PNPM_HOME="/pnpm" \
+    PATH="$PNPM_HOME:$PATH"
+RUN corepack enable && corepack prepare pnpm@11.13.0 --activate
+WORKDIR /app
+
+FROM base AS build-deps
+RUN apt-get update -qq && \
+    apt-get install -qq -y --no-install-recommends \
+    python3 make g++ && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY pnpm-lock.yaml pnpm-workspace.yaml ./
+COPY package.json tsconfig.json tsconfig.base.json ./
+COPY apps/gui/package.json apps/gui/package.json
+COPY apps/gui/tsconfig.json apps/gui/tsconfig.json
+COPY apps/gui/next.config.ts apps/gui/next.config.ts
+COPY apps/gui/postcss.config.mjs apps/gui/postcss.config.mjs
+COPY apps/gui/components.json apps/gui/components.json
+COPY packages/actor/package.json packages/actor/package.json
+COPY packages/architect/package.json packages/architect/package.json
+COPY packages/core/package.json packages/core/package.json
+COPY packages/intent/package.json packages/intent/package.json
+COPY packages/llm/package.json packages/llm/package.json
+COPY packages/memory/package.json packages/memory/package.json
+COPY packages/scenario/package.json packages/scenario/package.json
+COPY packages/spatial/package.json packages/spatial/package.json
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
+    pnpm install --frozen-lockfile
+
+FROM build-deps AS pkg-builder
+COPY packages/ ./packages/
+RUN pnpm build
+
+FROM pkg-builder AS gui-builder
+COPY apps/gui/src ./apps/gui/src
+COPY apps/gui/public ./apps/gui/public
+RUN pnpm --filter @omnia/gui build
+
+FROM base AS runner
+ENV NODE_ENV=production
+RUN apt-get update -qq && \
+    apt-get install -qq -y --no-install-recommends \
+    python3 make g++ && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=gui-builder /app/package.json /app/pnpm-workspace.yaml ./
+COPY --from=gui-builder /app/node_modules ./node_modules
+COPY --from=gui-builder /app/packages ./packages
+COPY --from=gui-builder /app/apps/gui/package.json \
+    /app/apps/gui/next.config.ts \
+    /app/apps/gui/postcss.config.mjs \
+    ./apps/gui/
+COPY --from=gui-builder /app/apps/gui/.next ./apps/gui/.next
+COPY --from=gui-builder /app/apps/gui/public ./apps/gui/public
+
+WORKDIR /app/apps/gui
+EXPOSE 3000
+CMD ["pnpm", "start"]

apps/gui/components.json

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "default",
+  "rsc": true,
+  "tsx": true,
+  "tailwind": {
+    "config": "",
+    "css": "src/app/globals.css",
+    "baseColor": "neutral",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  },
+  "registries": {
+    "@retroui": "https://retroui.dev/r/radix/{name}.json",
+    "@retroui-base": "https://retroui.dev/r/base/{name}.json"
+  }
+}

apps/gui/next-env.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/dev/types/routes.d.ts";
+import "./.next/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

apps/gui/package.json

@@ -10,6 +10,7 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@base-ui/react": "^1.6.0",
     "@omnia/actor": "workspace:*",
     "@omnia/architect": "workspace:*",
     "@omnia/core": "workspace:*",
@@ -18,18 +19,30 @@
     "@omnia/memory": "workspace:*",
     "@omnia/scenario": "workspace:*",
     "@omnia/spatial": "workspace:*",
+    "@radix-ui/react-dialog": "^1.1.19",
+    "@radix-ui/react-separator": "^1.1.11",
+    "@radix-ui/react-slot": "^1.3.0",
+    "@radix-ui/react-tooltip": "^1.2.12",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
     "dotenv": "^17.4.2",
+    "lucide-react": "^1.24.0",
     "next": "^16.2.10",
+    "radix-ui": "^1.6.2",
     "react": "^19.2.0",
-    "react-dom": "^19.2.0"
+    "react-dom": "^19.2.0",
+    "tailwind-merge": "^3.6.0",
+    "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
+    "@tailwindcss/postcss": "^4.3.2",
     "@types/node": "^26.1.0",
     "@types/react": "^19.2.0",
     "@types/react-dom": "^19.2.0",
     "autoprefixer": "^10.5.2",
     "postcss": "^8.5.16",
-    "tailwindcss": "^3.4.19",
+    "shadcn": "^4.13.0",
+    "tailwindcss": "^4.3.2",
     "typescript": "^6.0.3"
   }
 }

apps/gui/postcss.config.mjs

@@ -1,7 +1,6 @@
 const config = {
   plugins: {
-    tailwindcss: {},
-    autoprefixer: {},
+    "@tailwindcss/postcss": {},
   },
 };
 

apps/gui/src/app/actions.ts

@@ -4,7 +4,14 @@ import path from "path";
 import fs from "fs";
 import { simulationManager } from "@/lib/simulation";
 import type { SimSnapshot } from "@/lib/simulation";
-import { ProviderManager, ModelProviderInstance, AVAILABLE_PROVIDERS, ModelProviderMeta } from "@omnia/llm";
+import {
+  ProviderManager,
+  ModelProviderInstance,
+  getAvailableProviders as listAvailableProviders,
+  ModelProviderMeta,
+  ModelLister,
+  ModelInfo,
+} from "@omnia/llm";
 
 function resolveScenarioPath(relative: string): string {
   const cwd = process.cwd();
@@ -25,13 +32,13 @@ function resolveScenarioPath(relative: string): string {
 }
 
 type ActionResult =
-  | { ok: true; snapshot: SimSnapshot }
-  | { ok: false; error: string };
+  { ok: true; snapshot: SimSnapshot } | { ok: false; error: string };
 
 export async function startSimulation(input: {
   scenario?: string;
   playEntity?: string;
   providerInstanceId?: string;
+  customName?: string;
 }): Promise<ActionResult> {
   try {
     const scenarioFile =
@@ -46,6 +53,7 @@ export async function startSimulation(input: {
       resolved,
       input.playEntity || undefined,
       input.providerInstanceId,
+      input.customName,
     );
 
     if (snapshot.status === "error") {
@@ -123,10 +131,10 @@ export async function getConfigStatus(): Promise<{
   apiKeySet: boolean;
   apiKeyPreview: string;
   model: string;
-  availableScenarios: { path: string; name: string }[];
+  availableScenarios: { path: string; name: string; description: string }[];
 }> {
   const apiKey = process.env.GOOGLE_API_KEY;
-  const scenarios: { path: string; name: string }[] = [];
+  const scenarios: { path: string; name: string; description: string }[] = [];
 
   const cwd = process.cwd();
   const candidates = [
@@ -150,6 +158,7 @@ export async function getConfigStatus(): Promise<{
           scenarios.push({
             path: `content/demo/scenarios/${file}`,
             name: content.name || file,
+            description: content.description || "",
           });
         } catch {
           /* skip invalid */
@@ -167,8 +176,7 @@ export async function getConfigStatus(): Promise<{
 }
 
 export async function listSavedSimulations(): Promise<
-  | { ok: true; sessions: SimSnapshot[] }
-  | { ok: false; error: string }
+  { ok: true; sessions: SimSnapshot[] } | { ok: false; error: string }
 > {
   try {
     const sessions = simulationManager.listSavedSessions();
@@ -196,7 +204,9 @@ export async function resumeSimulation(simId: string): Promise<ActionResult> {
   }
 }
 
-export async function getScenarioEntities(scenarioPath: string): Promise<
+export async function getScenarioEntities(
+  scenarioPath: string,
+): Promise<
   | { ok: true; entities: { id: string; name: string }[] }
   | { ok: false; error: string }
 > {
@@ -206,10 +216,12 @@ export async function getScenarioEntities(scenarioPath: string): Promise<
       return { ok: false, error: `Scenario file not found: ${scenarioPath}` };
     }
     const content = JSON.parse(fs.readFileSync(resolved, "utf-8"));
-    const entities = (content.entities || []).map((e: { id: string; name?: string }) => ({
-      id: e.id,
-      name: e.name || e.id,
-    }));
+    const entities = (content.entities || []).map(
+      (e: { id: string; name?: string }) => ({
+        id: e.id,
+        name: e.name || e.id,
+      }),
+    );
     return { ok: true, entities };
   } catch (err) {
     return {
@@ -219,9 +231,9 @@ export async function getScenarioEntities(scenarioPath: string): Promise<
   }
 }
 
-export async function deleteSimulation(simId: string): Promise<
-  { ok: true } | { ok: false; error: string }
-> {
+export async function deleteSimulation(
+  simId: string,
+): Promise<{ ok: true } | { ok: false; error: string }> {
   try {
     simulationManager.deleteSession(simId);
     return { ok: true };
@@ -233,7 +245,9 @@ export async function deleteSimulation(simId: string): Promise<
   }
 }
 
-export async function listProviderInstances(): Promise<ModelProviderInstance[]> {
+export async function listProviderInstances(): Promise<
+  ModelProviderInstance[]
+> {
   return ProviderManager.list();
 }
 
@@ -243,8 +257,18 @@ export async function createProviderInstance(
   apiKey: string,
   modelName?: string,
   type: "generative" | "embedding" = "generative",
+  maxContext?: number,
+  endpointUrl?: string,
 ): Promise<ModelProviderInstance> {
-  return ProviderManager.create(name, providerName, apiKey, modelName, type);
+  return ProviderManager.create(
+    name,
+    providerName,
+    apiKey,
+    modelName,
+    type,
+    maxContext,
+    endpointUrl,
+  );
 }
 
 export async function deleteProviderInstance(id: string): Promise<void> {
@@ -262,8 +286,19 @@ export async function updateProviderInstance(
   apiKey?: string,
   modelName?: string,
   type: "generative" | "embedding" = "generative",
+  maxContext?: number,
+  endpointUrl?: string,
 ): Promise<void> {
-  ProviderManager.update(id, name, providerName, apiKey, modelName, type);
+  ProviderManager.update(
+    id,
+    name,
+    providerName,
+    apiKey,
+    modelName,
+    type,
+    maxContext,
+    endpointUrl,
+  );
 }
 
 export async function getProviderMappings(): Promise<Record<string, string>> {
@@ -278,9 +313,58 @@ export async function setProviderMapping(
 }
 
 export async function getAvailableProviders(): Promise<ModelProviderMeta[]> {
-  return AVAILABLE_PROVIDERS;
+  return listAvailableProviders();
 }
 
-export async function regenerateEmbeddings(newProviderInstanceId?: string): Promise<void> {
+export async function regenerateEmbeddings(
+  newProviderInstanceId?: string,
+): Promise<void> {
   await simulationManager.regenerateAllEmbeddings(newProviderInstanceId);
 }
+
+/**
+ * Fetch available models for a provider given its credentials.
+ * Used when creating a new instance (before it's saved to the DB).
+ */
+export async function fetchAvailableModels(
+  providerName: string,
+  apiKey: string,
+  endpointUrl?: string,
+): Promise<ModelInfo[]> {
+  return ModelLister.listModels(providerName, apiKey, endpointUrl);
+}
+
+/**
+ * Fetch available models for an existing saved provider instance.
+ * The API key is retrieved from the DB server-side — never sent to the client.
+ */
+export async function fetchAvailableModelsForInstance(
+  instanceId: string,
+): Promise<ModelInfo[]> {
+  const instances = ProviderManager.list();
+  const inst = instances.find((i) => i.id === instanceId);
+  if (!inst) return [];
+  return ModelLister.listModels(
+    inst.providerName,
+    inst.apiKey,
+    inst.endpointUrl,
+  );
+}
+
+export async function renameSimulation(
+  simId: string,
+  newName: string,
+): Promise<{ ok: true; snapshot: SimSnapshot } | { ok: false; error: string }> {
+  try {
+    const snapshot = await simulationManager.rename(simId, newName);
+    if (!snapshot) {
+      return { ok: false, error: "Simulation session not found" };
+    }
+    return { ok: true, snapshot };
+  } catch (err) {
+    return {
+      ok: false,
+      error: err instanceof Error ? err.message : "Failed to rename simulation",
+    };
+  }
+}

apps/gui/src/app/builder/page.tsx

@@ -0,0 +1,5 @@
+import { BuilderView } from "@/components/builder/BuilderView";
+
+export default function BuilderPage() {
+  return <BuilderView />;
+}

apps/gui/src/app/config/page.tsx

@@ -1,534 +1,5 @@
-"use client";
-
-import { useEffect, useState, useCallback } from "react";
-import {
-  getConfigStatus,
-  listProviderInstances,
-  createProviderInstance,
-  deleteProviderInstance,
-  setActiveProviderInstance,
-  getProviderMappings,
-  setProviderMapping,
-  updateProviderInstance,
-  getAvailableProviders,
-  regenerateEmbeddings,
-} from "@/app/play/actions";
-import type { ModelProviderInstance, ModelProviderMeta } from "@omnia/llm";
-
-interface ConfigStatus {
-  apiKeySet: boolean;
-  apiKeyPreview: string;
-  model: string;
-  availableScenarios: { path: string; name: string }[];
-}
+import { ConfigView } from "@/components/config/ConfigView";
 
 export default function ConfigPage() {
-  const [config, setConfig] = useState<ConfigStatus | null>(null);
-  const [instances, setInstances] = useState<ModelProviderInstance[]>([]);
-  const [mappings, setMappings] = useState<Record<string, string>>({});
-  const [availableProviders, setAvailableProviders] = useState<ModelProviderMeta[]>([]);
-  const [loading, setLoading] = useState(true);
-  const [error, setError] = useState("");
-
-  const [selectedInstanceId, setSelectedInstanceId] = useState<string | "new">("new");
-  const [editName, setEditName] = useState("");
-  const [editProvider, setEditProvider] = useState("google-genai");
-  const [editKey, setEditKey] = useState("");
-  const [editModel, setEditModel] = useState("gemini-2.5-flash");
-  const [editIsActive, setEditIsActive] = useState(false);
-  const [editType, setEditType] = useState<"generative" | "embedding">("generative");
-
-  useEffect(() => {
-    if (selectedInstanceId === "new") {
-      setEditName("");
-      const defaultProvider = "google-genai";
-      setEditProvider(defaultProvider);
-      setEditKey("");
-      setEditType("generative");
-      const pMeta = availableProviders.find((p) => p.id === defaultProvider);
-      setEditModel(pMeta?.defaultModel || "gemini-2.5-flash");
-      setEditIsActive(false);
-    } else {
-      const inst = instances.find((i) => i.id === selectedInstanceId);
-      if (inst) {
-        setEditName(inst.name);
-        setEditProvider(inst.providerName);
-        setEditKey("");
-        setEditType(inst.type || "generative");
-        const pMeta = availableProviders.find((p) => p.id === inst.providerName);
-        setEditModel(inst.modelName || (inst.type === "embedding" ? pMeta?.defaultEmbeddingModel : pMeta?.defaultModel) || "gemini-2.5-flash");
-        setEditIsActive(inst.isActive);
-      }
-    }
-  }, [selectedInstanceId, instances, availableProviders]);
-
-  const handleProviderChange = (providerId: string) => {
-    setEditProvider(providerId);
-    const pMeta = availableProviders.find((p) => p.id === providerId);
-    if (pMeta) {
-      setEditModel(editType === "embedding" ? pMeta.defaultEmbeddingModel : pMeta.defaultModel);
-    }
-  };
-
-  const handleTypeChange = (type: "generative" | "embedding") => {
-    setEditType(type);
-    const pMeta = availableProviders.find((p) => p.id === editProvider);
-    if (pMeta) {
-      setEditModel(type === "embedding" ? pMeta.defaultEmbeddingModel : pMeta.defaultModel);
-    }
-  };
-
-  const loadInstances = useCallback(async () => {
-    try {
-      const list = await listProviderInstances();
-      setInstances(list);
-    } catch {
-      // ignore
-    }
-  }, []);
-
-  const loadMappings = useCallback(async () => {
-    try {
-      const maps = await getProviderMappings();
-      setMappings(maps);
-    } catch {
-      // ignore
-    }
-  }, []);
-
-  const loadAll = useCallback(async () => {
-    setLoading(true);
-    setError("");
-    try {
-      const result = await getConfigStatus();
-      setConfig(result);
-      await loadInstances();
-      await loadMappings();
-      const provs = await getAvailableProviders();
-      setAvailableProviders(provs);
-    } catch (err) {
-      setError(err instanceof Error ? err.message : String(err));
-    } finally {
-      setLoading(false);
-    }
-  }, [loadInstances, loadMappings]);
-
-  useEffect(() => {
-    loadAll();
-  }, [loadAll]);
-
-  const handleSave = async (e: React.FormEvent) => {
-    e.preventDefault();
-    if (!editName.trim()) {
-      setError("Name is required.");
-      return;
-    }
-
-    try {
-      setLoading(true);
-      setError("");
-
-      let shouldRegenerate = false;
-      let targetInstanceId = selectedInstanceId;
-
-      if (selectedInstanceId === "new") {
-        if (!editKey.trim()) {
-          setError("API Key is required for new instances.");
-          setLoading(false);
-          return;
-        }
-        const created = await createProviderInstance(editName, editProvider, editKey, editModel || undefined, editType);
-        if (editIsActive) {
-          await setActiveProviderInstance(created.id);
-        }
-        targetInstanceId = created.id;
-        setSelectedInstanceId(created.id);
-      } else {
-        const inst = instances.find((i) => i.id === selectedInstanceId);
-        if (inst && inst.type === "embedding") {
-          const isMapped = mappings["embeddings"] === selectedInstanceId;
-          const isActive = inst.isActive && !mappings["embeddings"];
-          if (isMapped || isActive) {
-            const hasChanged = inst.providerName !== editProvider || inst.modelName !== editModel;
-            if (hasChanged) {
-              const confirmChange = window.confirm(
-                "You have changed the configuration of the active embedding provider. This will delete all existing embeddings and regenerate them from scratch. Are you sure you want to do this?"
-              );
-              if (!confirmChange) {
-                setLoading(false);
-                return;
-              }
-              shouldRegenerate = true;
-            }
-          }
-        }
-
-        await updateProviderInstance(selectedInstanceId, editName, editProvider, editKey || undefined, editModel || undefined, editType);
-        if (editIsActive) {
-          await setActiveProviderInstance(selectedInstanceId);
-        }
-      }
-
-      await loadInstances();
-      await loadMappings();
-
-      if (shouldRegenerate && targetInstanceId !== "new") {
-        await regenerateEmbeddings(targetInstanceId);
-      }
-    } catch (err) {
-      setError(err instanceof Error ? err.message : String(err));
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleDelete = async () => {
-    if (selectedInstanceId === "new") return;
-    if (!confirm("Are you sure you want to delete this provider instance?")) return;
-
-    try {
-      setLoading(true);
-      setError("");
-      await deleteProviderInstance(selectedInstanceId);
-      setSelectedInstanceId("new");
-      await loadInstances();
-      await loadMappings();
-    } catch (err) {
-      setError(err instanceof Error ? err.message : String(err));
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleUpdateMapping = async (task: string, providerInstanceId: string) => {
-    if (task === "embeddings" && mappings[task] !== providerInstanceId) {
-      const confirmChange = window.confirm(
-        "Changing the embeddings provider will delete all existing embeddings and regenerate them from scratch. Are you sure you want to do this?"
-      );
-      if (!confirmChange) return;
-    }
-
-    try {
-      setLoading(true);
-      await setProviderMapping(task, providerInstanceId);
-      if (task === "embeddings") {
-        await regenerateEmbeddings(providerInstanceId);
-      }
-      await loadMappings();
-    } catch (err) {
-      setError(err instanceof Error ? err.message : String(err));
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  return (
-    <div className="mx-auto max-w-[800px] px-4 py-8">
-      <h1 className="mb-6 text-2xl">Configuration</h1>
-
-      {loading && <p>Loading configuration...</p>}
-      {error && (
-        <div className="mb-4 rounded border border-red-300 bg-red-50 px-3 py-2 text-sm text-red-700">
-          {error}
-        </div>
-      )}
-
-      {config && !loading && (
-        <>
-          <section className="mb-8 border-b border-gray-200 pb-6">
-            <h2 className="mb-3 text-lg">LLM Provider Instances</h2>
-            <div className="mt-4 grid min-h-[400px] grid-cols-1 overflow-hidden rounded-xl border border-gray-200 bg-white md:grid-cols-[30%_70%]">
-              {/* 30% area */}
-              <div className="flex flex-col border-r border-gray-200 bg-gray-50">
-                <div className="flex items-center justify-between border-b border-gray-200 bg-gray-100 px-4 py-4">
-                  <h3 className="m-0 text-[0.95rem] font-semibold text-[#111]">Instances</h3>
-                  <button
-                    onClick={() => setSelectedInstanceId("new")}
-                    className="cursor-pointer rounded-md bg-emerald-500 px-3 py-1.5 text-xs font-medium text-white transition-colors hover:bg-emerald-600"
-                    type="button"
-                  >
-                    + Add
-                  </button>
-                </div>
-                <div className="flex flex-1 flex-col overflow-y-auto">
-                  {instances.length === 0 ? (
-                    <div className="px-4 py-8 text-center text-xs text-gray-400">
-                      No instances configured
-                    </div>
-                  ) : (
-                    instances.map((inst) => (
-                      <div
-                        key={inst.id}
-                        onClick={() => setSelectedInstanceId(inst.id)}
-                        className={`cursor-pointer border-b border-gray-200 border-l-[3px] px-4 py-4 transition-all hover:bg-gray-100 ${
-                          selectedInstanceId === inst.id
-                            ? "border-l-blue-500 bg-blue-50"
-                            : "border-l-transparent"
-                        }`}
-                      >
-                        <div className="text-sm font-medium text-[#111]">{inst.name}</div>
-                        <div className="mt-1 flex items-center justify-between text-xs text-gray-500">
-                          <span>{inst.providerName} ({inst.type || "generative"})</span>
-                          {inst.isActive && (
-                            <span className="rounded-full bg-green-100 px-1.5 py-[1px] text-[0.65rem] font-semibold text-green-700">
-                              Active
-                            </span>
-                          )}
-                        </div>
-                      </div>
-                    ))
-                  )}
-                </div>
-              </div>
-
-              {/* 70% area */}
-              <div className="flex flex-col bg-white">
-                <form onSubmit={handleSave} className="flex h-full flex-col justify-between">
-                  <div className="flex flex-1 flex-col gap-5 p-6">
-                    <h3 className="m-0 mb-2 text-lg font-semibold text-[#111]">
-                      {selectedInstanceId === "new"
-                        ? "Create New Provider Instance"
-                        : `Configure: ${editName}`}
-                    </h3>
-
-                    <div className="flex flex-col gap-1.5">
-                      <label htmlFor="formName" className="text-xs font-medium text-gray-700">
-                        Friendly Name
-                      </label>
-                      <input
-                        id="formName"
-                        type="text"
-                        value={editName}
-                        onChange={(e) => setEditName(e.target.value)}
-                        placeholder="e.g. Gemini - Production"
-                        required
-                        className="w-full rounded-md border border-gray-300 bg-white px-3 py-2 text-sm outline-none transition-[border-color,box-shadow] focus:border-blue-500 focus:ring-3 focus:ring-blue-500/15"
-                      />
-                    </div>
-
-                    <div className="flex flex-col gap-1.5">
-                      <label htmlFor="formType" className="text-xs font-medium text-gray-700">
-                        Instance Type
-                      </label>
-                      <select
-                        id="formType"
-                        value={editType}
-                        onChange={(e) => handleTypeChange(e.target.value as "generative" | "embedding")}
-                        className="w-full rounded-md border border-gray-300 bg-white px-3 py-2 text-sm outline-none transition-[border-color,box-shadow] focus:border-blue-500 focus:ring-3 focus:ring-blue-500/15"
-                      >
-                        <option value="generative">Generative (Chat / Text Completion)</option>
-                        <option value="embedding">Embedding (Vector generation)</option>
-                      </select>
-                    </div>
-
-                    <div className="flex flex-col gap-1.5">
-                      <label htmlFor="formProvider" className="text-xs font-medium text-gray-700">
-                        Provider Type
-                      </label>
-                      <select
-                        id="formProvider"
-                        value={editProvider}
-                        onChange={(e) => handleProviderChange(e.target.value)}
-                        className="w-full rounded-md border border-gray-300 bg-white px-3 py-2 text-sm outline-none transition-[border-color,box-shadow] focus:border-blue-500 focus:ring-3 focus:ring-blue-500/15"
-                      >
-                        {availableProviders.map((p) => (
-                          <option key={p.id} value={p.id}>
-                            {p.displayName}
-                          </option>
-                        ))}
-                      </select>
-                      {editProvider && availableProviders.length > 0 && (
-                        <span className="mt-1 block rounded border border-gray-200 bg-gray-100 px-3 py-2 text-xs text-gray-600">
-                          {availableProviders.find((p) => p.id === editProvider)?.description}
-                        </span>
-                      )}
-                    </div>
-
-                    <div className="flex flex-col gap-1.5">
-                      <label htmlFor="formKey" className="text-xs font-medium text-gray-700">
-                        API Key
-                      </label>
-                      <input
-                        id="formKey"
-                        type="password"
-                        value={editKey}
-                        onChange={(e) => setEditKey(e.target.value)}
-                        placeholder={
-                          selectedInstanceId === "new"
-                            ? "AIzaSy..."
-                            : "•••••••• (unchanged)"
-                        }
-                        required={selectedInstanceId === "new"}
-                        className="w-full rounded-md border border-gray-300 bg-white px-3 py-2 text-sm outline-none transition-[border-color,box-shadow] focus:border-blue-500 focus:ring-3 focus:ring-blue-500/15"
-                      />
-                    </div>
-
-                    <div className="flex flex-col gap-1.5">
-                      <label htmlFor="formModel" className="text-xs font-medium text-gray-700">
-                        Model Name
-                      </label>
-                      <input
-                        id="formModel"
-                        type="text"
-                        value={editModel}
-                        onChange={(e) => setEditModel(e.target.value)}
-                        placeholder="e.g. gemini-2.5-flash, gemini-2.5-pro"
-                        className="w-full rounded-md border border-gray-300 bg-white px-3 py-2 text-sm outline-none transition-[border-color,box-shadow] focus:border-blue-500 focus:ring-3 focus:ring-blue-500/15"
-                      />
-                    </div>
-
-                    <div className="mt-1 flex flex-row items-center gap-2">
-                      <input
-                        id="formActive"
-                        type="checkbox"
-                        checked={editIsActive}
-                        onChange={(e) => setEditIsActive(e.target.checked)}
-                        className="h-4 w-4 cursor-pointer"
-                      />
-                      <label htmlFor="formActive" className="cursor-pointer text-xs font-medium text-gray-700">
-                        Set as Active Instance
-                      </label>
-                    </div>
-                  </div>
-
-                  <div className="flex items-center justify-between border-t border-gray-200 bg-gray-50 px-6 py-4">
-                    <div>
-                      {selectedInstanceId !== "new" && (
-                        <button
-                          type="button"
-                          onClick={handleDelete}
-                          disabled={loading}
-                          className="cursor-pointer rounded-md bg-red-500 px-4 py-2 text-sm font-medium text-white transition-colors hover:bg-red-600 disabled:opacity-50"
-                        >
-                          Delete
-                        </button>
-                      )}
-                    </div>
-                    <div>
-                      <button
-                        type="submit"
-                        disabled={loading}
-                        className="cursor-pointer rounded-md bg-blue-600 px-5 py-2 text-sm font-medium text-white transition-colors hover:bg-blue-700 disabled:opacity-50"
-                      >
-                        {loading ? "Saving..." : "Save"}
-                      </button>
-                    </div>
-                  </div>
-                </form>
-              </div>
-            </div>
-          </section>
-
-          <section className="mb-8 border-b border-gray-200 pb-6">
-            <h2 className="mb-3 text-lg">Task Provider Routing</h2>
-            <p className="my-4 rounded border border-blue-200 bg-blue-50 px-3 py-2 text-xs text-blue-800">
-              Configure which LLM Provider Key Instance should handle each specific simulation
-              task. Mappings default to the currently <strong>Active</strong> instance if not
-              specified.
-            </p>
-            <div className="mt-4 grid grid-cols-1 gap-4 md:grid-cols-2">
-              {[
-                { key: "actor-prose", label: "Actor Prose Generation", desc: "Generates roleplay/narrative prose for Non-Player Characters.", type: "generative" },
-                { key: "llm-validator", label: "LLM Validator", desc: "Arbitrates and validates proposed actions against the world state rules.", type: "generative" },
-                { key: "intent-decoder", label: "Intent Decoder", desc: "Splits raw prose actions into structured intents (Player and NPC).", type: "generative" },
-                { key: "timedelta", label: "TimeDelta Generator", desc: "Calculates the duration of character actions to advance the game clock.", type: "generative" },
-                { key: "embeddings", label: "Text Embeddings Generator", desc: "Generates vector embeddings for long-term memory retrieval.", type: "embedding" },
-              ].map((task) => (
-                <div
-                  key={task.key}
-                  className="flex flex-col justify-between gap-3 rounded-lg border border-gray-200 bg-gray-50 p-4"
-                >
-                  <div className="flex flex-col gap-1 text-xs">
-                    <strong className="text-sm text-[#111]">{task.label}</strong>
-                    <span className="mt-0.5 text-gray-500">{task.desc}</span>
-                  </div>
-                  <select
-                    value={mappings[task.key] || ""}
-                    onChange={(e) => handleUpdateMapping(task.key, e.target.value)}
-                    className="w-full rounded border border-gray-300 bg-white px-2 py-1.5 text-xs"
-                  >
-                    <option value="">-- Use Active Key (Default) --</option>
-                    {instances
-                      .filter((inst) => (inst.type || "generative") === task.type)
-                      .map((inst) => (
-                        <option key={inst.id} value={inst.id}>
-                          {inst.name} ({inst.providerName}){inst.isActive ? " [Active]" : ""}
-                        </option>
-                      ))}
-                  </select>
-                </div>
-              ))}
-            </div>
-          </section>
-
-          <section className="mb-8 border-b border-gray-200 pb-6">
-            <h2 className="mb-3 text-lg">Environment Variables Default</h2>
-            <div className="flex justify-between border-b border-gray-100 py-1.5">
-              <span className="text-sm text-gray-500">Default Model</span>
-              <span className="text-sm">
-                <code className="font-mono text-sm">{config.model}</code>
-              </span>
-            </div>
-            <div className="flex justify-between border-b border-gray-100 py-1.5">
-              <span className="text-sm text-gray-500">Default API Key (.env)</span>
-              <span
-                className={
-                  config.apiKeySet
-                    ? "text-sm text-green-600"
-                    : "text-sm font-medium text-red-600"
-                }
-              >
-                {config.apiKeySet
-                  ? `✓ Set (${config.apiKeyPreview})`
-                  : "✗ NOT SET"}
-              </span>
-            </div>
-          </section>
-
-          <section className="mb-8 border-b border-gray-200 pb-6">
-            <h2 className="mb-3 text-lg">Available Scenarios</h2>
-            {config.availableScenarios.length === 0 ? (
-              <p className="mt-3 rounded border border-amber-200 bg-amber-100 px-3 py-2 text-xs text-amber-800">
-                No scenarios found in <code className="font-mono text-xs">content/demo/scenarios/</code>.
-              </p>
-            ) : (
-              <table className="w-full border-collapse text-sm">
-                <thead>
-                  <tr>
-                    <th className="border-b-2 border-gray-200 p-2 text-left font-medium text-gray-500">
-                      Name
-                    </th>
-                    <th className="border-b-2 border-gray-200 p-2 text-left font-medium text-gray-500">
-                      Path
-                    </th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {config.availableScenarios.map((s) => (
-                    <tr key={s.path}>
-                      <td className="border-b border-gray-100 p-2">{s.name}</td>
-                      <td className="border-b border-gray-100 p-2">
-                        <code className="font-mono text-xs text-blue-600">{s.path}</code>
-                      </td>
-                    </tr>
-                  ))}
-                </tbody>
-              </table>
-            )}
-          </section>
-
-          <section className="mb-8 border-b border-gray-200 pb-6">
-            <h2 className="mb-3 text-lg">Engine Packages</h2>
-            <p className="mt-3 rounded border border-amber-200 bg-amber-100 px-3 py-2 text-xs text-amber-800">
-              All <code className="font-mono text-xs">@omnia/*</code> workspace packages are
-              consumed via <code className="font-mono text-xs">transpilePackages</code> in{" "}
-              <code className="font-mono text-xs">next.config.ts</code>. The native{" "}
-              <code className="font-mono text-xs">better-sqlite3</code> module is externalized
-              via <code className="font-mono text-xs">serverExternalPackages</code>.
-            </p>
-          </section>
-        </>
-      )}
-    </div>
-  );
+  return <ConfigView />;
 }

apps/gui/src/app/globals.css

@@ -1,10 +1,199 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
+@import "tailwindcss";
+@plugin "tailwindcss-animate";
 
-@layer base {
-  html {
-    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
-      Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
-  }
+@custom-variant data-open (&[data-state="open"], &[data-state="active"]);
+@custom-variant data-closed (&[data-state="closed"], &[data-state="inactive"]);
+@custom-variant data-active (&[data-state="active"], &[data-state="open"]);
+@custom-variant data-checked (&[data-state="checked"], &[aria-checked="true"]);
+@custom-variant data-horizontal (&[data-orientation="horizontal"]);
+@custom-variant data-vertical (&[data-orientation="vertical"]);
+@custom-variant data-popup-open (&[data-state="open"]);
+
+@theme inline {
+  --font-head: var(--font-head);
+  --font-sans: var(--font-sans);
+  --font-mono: var(--font-mono);
+
+  --radius: 0px;
+  --radius-xs: 0px;
+  --radius-sm: 0px;
+  --radius-md: 0px;
+  --radius-lg: 0px;
+  --radius-xl: 0px;
+  --radius-2xl: 0px;
+  --radius-3xl: 0px;
+
+  --shadow-xs: 1px 1px 0 0 var(--border);
+  --shadow-sm: 2px 2px 0 0 var(--border);
+  --shadow: 3px 3px 0 0 var(--border);
+  --shadow-md: 4px 4px 0 0 var(--border);
+  --shadow-lg: 6px 6px 0 0 var(--border);
+  --shadow-xl: 10px 10px 0 1px var(--border);
+  --shadow-2xl: 16px 16px 0 1px var(--border);
+
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --color-card: var(--card);
+  --color-card-foreground: var(--card-foreground);
+  --color-popover: var(--popover);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-primary: var(--primary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-primary-hover: var(--primary-hover);
+  --color-secondary: var(--secondary);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-muted: var(--muted);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-accent: var(--accent);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-destructive: var(--destructive);
+  --color-destructive-foreground: var(--destructive-foreground);
+  --color-border: var(--border);
+  --color-input: var(--input);
+  --color-ring: var(--ring);
+
+  --color-sidebar: var(--sidebar);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-ring: var(--sidebar-ring);
+
+  --color-surface: var(--surface);
+  --color-surface-dim: var(--surface-dim);
+  --color-surface-bright: var(--surface-bright);
+  --color-surface-container-lowest: var(--surface-container-lowest);
+  --color-surface-container-low: var(--surface-container-low);
+  --color-surface-container: var(--surface-container);
+  --color-surface-container-high: var(--surface-container-high);
+  --color-surface-container-highest: var(--surface-container-highest);
+}
+
+:root {
+  --radius: 0;
+  --background: #f4e9dc;
+  --foreground: #201a16;
+  --card: #fcf3e8;
+  --card-foreground: #201a16;
+  --popover: #fff8f5;
+  --popover-foreground: #201a16;
+  --primary: #e58e58;
+  --primary-hover: #d47e48;
+  --primary-foreground: #201a16;
+  --secondary: #f5e6d3;
+  --secondary-foreground: #201a16;
+  --muted: #efe0cd;
+  --muted-foreground: #6d6354;
+  --accent: #ffd966;
+  --accent-foreground: #201a16;
+  --destructive: #ba1a1a;
+  --destructive-foreground: #ffffff;
+  --border: #5c544e;
+  --input: #fff8f5;
+  --ring: #e58e58;
+
+  --sidebar: #fcf3e8;
+  --sidebar-foreground: #201a16;
+  --sidebar-primary: #e58e58;
+  --sidebar-primary-foreground: #201a16;
+  --sidebar-accent: #ffd966;
+  --sidebar-accent-foreground: #201a16;
+  --sidebar-border: #5c544e;
+  --sidebar-ring: #e58e58;
+
+  --surface: #fff8f5;
+  --surface-dim: #e4d8d0;
+  --surface-bright: #fff8f5;
+  --surface-container-lowest: #ffffff;
+  --surface-container-low: #fef1e9;
+  --surface-container: #f8ece3;
+  --surface-container-high: #f2e6de;
+  --surface-container-highest: #ece0d8;
+}
+
+.dark {
+  --background: #181310;
+  --foreground: #fff8f5;
+  --card: #362f2a;
+  --card-foreground: #fff8f5;
+  --popover: #201a16;
+  --popover-foreground: #fff8f5;
+  --primary: #e58e58;
+  --primary-hover: #ffb68c;
+  --primary-foreground: #201a16;
+  --secondary: #54433a;
+  --secondary-foreground: #fbeee6;
+  --muted: #362f2a;
+  --muted-foreground: #d9c2b6;
+  --accent: #c1a032;
+  --accent-foreground: #201a16;
+  --destructive: #ffdad6;
+  --destructive-foreground: #93000a;
+  --border: #877369;
+  --input: #362f2a;
+  --ring: #e58e58;
+
+  --sidebar: #201a16;
+  --sidebar-foreground: #fff8f5;
+  --sidebar-primary: #e58e58;
+  --sidebar-primary-foreground: #201a16;
+  --sidebar-accent: #c1a032;
+  --sidebar-accent-foreground: #201a16;
+  --sidebar-border: #877369;
+  --sidebar-ring: #e58e58;
+
+  --surface: #201a16;
+  --surface-dim: #362f2a;
+  --surface-bright: #201a16;
+  --surface-container-lowest: #201a16;
+  --surface-container-low: #362f2a;
+  --surface-container: #362f2a;
+  --surface-container-high: #54433a;
+  --surface-container-highest: #54433a;
+}
+
+@utility text-headline-lg {
+  font-family: var(--font-head);
+  font-size: 48px;
+  font-weight: 400;
+  line-height: 1.1;
+  letter-spacing: -0.02em;
+}
+
+@utility text-headline-md {
+  font-family: var(--font-head);
+  font-size: 32px;
+  font-weight: 400;
+  line-height: 1.2;
+}
+
+@utility text-headline-sm {
+  font-family: var(--font-head);
+  font-size: 24px;
+  font-weight: 400;
+  line-height: 1.2;
+}
+
+@utility text-body-lg {
+  font-family: var(--font-sans);
+  font-size: 18px;
+  font-weight: 400;
+  line-height: 1.6;
+}
+
+@utility text-body-md {
+  font-family: var(--font-sans);
+  font-size: 16px;
+  font-weight: 400;
+  line-height: 1.6;
+}
+
+@utility text-label-sm {
+  font-family: var(--font-mono);
+  font-size: 12px;
+  font-weight: 700;
+  line-height: 1.4;
+  text-transform: uppercase;
 }

apps/gui/src/app/layout.tsx

@@ -1,18 +1,95 @@
-import type { ReactNode } from "react";
-import { NavBar } from "@/components/nav/NavBar";
-import "./globals.css";
+"use client";
 
-export const metadata = {
-  title: "Omnia GUI",
-  description: "Omnia Narrative Simulation Engine — Web Interface",
-};
+import { useEffect, type ReactNode } from "react";
+import { Jersey_25, JetBrains_Mono, Space_Mono } from "next/font/google";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import "./globals.css";
+import {
+  NavigationMenu,
+  NavigationMenuList,
+  NavigationMenuItem,
+  NavigationMenuLink,
+} from "@/components/ui/navigation-menu";
+
+const jersey25 = Jersey_25({
+  subsets: ["latin"],
+  weight: "400",
+  variable: "--font-head",
+  display: "swap",
+});
+
+const jetbrainsMono = JetBrains_Mono({
+  subsets: ["latin"],
+  variable: "--font-sans",
+  display: "swap",
+});
+
+const spaceMono = Space_Mono({
+  subsets: ["latin"],
+  weight: ["400", "700"],
+  variable: "--font-mono",
+  display: "swap",
+});
+
+const links = [
+  { href: "/", label: "Home" },
+  { href: "/config", label: "Config" },
+];
 
 export default function RootLayout({ children }: { children: ReactNode }) {
+  const pathname = usePathname();
+
+  useEffect(() => {
+    document.title = "Omnia";
+  }, []);
+
   return (
     <html lang="en">
-      <body className="min-h-dvh bg-[#fafafa] text-[#111]">
-        <NavBar />
-        {children}
+      <body
+        className={`${jersey25.variable} ${jetbrainsMono.variable} ${spaceMono.variable} flex flex-col h-dvh overflow-hidden bg-background text-foreground font-sans`}
+      >
+        {!pathname?.startsWith("/play") && (
+          <video
+            className="fixed inset-0 w-full h-full object-cover pointer-events-none"
+            src="/output.webm"
+            poster="/background.png"
+            autoPlay
+            loop
+            muted
+            playsInline
+          />
+        )}
+        <nav className="border-b border-dotted border-border/20 bg-secondary/30 shrink-0">
+          <div className="mx-auto max-w-[800px] px-10 py-3 flex items-center justify-center">
+            <NavigationMenu viewport={false}>
+              <NavigationMenuList>
+                {links.map((link) => {
+                  const isActive =
+                    pathname === link.href ||
+                    (link.href !== "/" && pathname?.startsWith(link.href));
+                  return (
+                    <NavigationMenuItem key={link.href}>
+                      <NavigationMenuLink asChild active={isActive}>
+                        <Link
+                          href={link.href}
+                          className={`text-foreground no-underline font-medium text-sm p-2 transition-all outline-none ${
+                            isActive
+                              ? "bg-primary/15 text-primary"
+                              : "hover:bg-secondary hover:text-foreground"
+                          }`}
+                        >
+                          {link.label}
+                        </Link>
+                      </NavigationMenuLink>
+                    </NavigationMenuItem>
+                  );
+                })}
+              </NavigationMenuList>
+            </NavigationMenu>
+          </div>
+        </nav>
+        <main className="flex-1 flex flex-col min-h-0">{children}</main>
       </body>
     </html>
   );

apps/gui/src/app/page.tsx

@@ -1,32 +1,5 @@
-import Link from "next/link";
+import { HomeView } from "@/components/home/HomeView";
 
 export default function Home() {
-  return (
-    <main className="mx-auto max-w-[800px] px-4 py-12">
-      <h1 className="mb-2 text-3xl">Omnia GUI</h1>
-      <p className="mb-8 text-gray-500">
-        Configuration and gameplay interface for the Omnia simulation engine.
-      </p>
-      <div className="flex gap-4">
-        <Link
-          href="/play"
-          className="block flex-1 rounded-lg border border-gray-200 p-6 text-inherit no-underline transition-[border-color,box-shadow] duration-150 hover:border-blue-600 hover:shadow-[0_2px_8px_rgba(37,99,235,0.1)]"
-        >
-          <h2 className="mb-1 text-xl">Play</h2>
-          <p className="text-sm text-gray-500">
-            Start a simulation and interact with NPCs
-          </p>
-        </Link>
-        <Link
-          href="/config"
-          className="block flex-1 rounded-lg border border-gray-200 p-6 text-inherit no-underline transition-[border-color,box-shadow] duration-150 hover:border-blue-600 hover:shadow-[0_2px_8px_rgba(37,99,235,0.1)]"
-        >
-          <h2 className="mb-1 text-xl">Config</h2>
-          <p className="text-sm text-gray-500">
-            Check environment, API keys, and available scenarios
-          </p>
-        </Link>
-      </div>
-    </main>
-  );
+  return <HomeView />;
 }

apps/gui/src/app/play/page.tsx

@@ -1,5 +1,18 @@
+"use client";
+
 import { PlayView } from "@/components/play/PlayView";
+import { Suspense } from "react";
 
 export default function PlayPage() {
-  return <PlayView />;
+  return (
+    <Suspense
+      fallback={
+        <div className="flex items-center justify-center min-h-[400px]">
+          <div className="animate-spin text-primary">Loading...</div>
+        </div>
+      }
+    >
+      <PlayView />
+    </Suspense>
+  );
 }

apps/gui/src/components/builder/BuilderView.tsx

@@ -0,0 +1,18 @@
+"use client";
+
+export function BuilderView() {
+  return (
+    <div className="flex-1 overflow-y-auto w-full">
+      <div className="mx-auto max-w-[800px] px-10 py-12">
+        <h1 className="mb-6 text-headline-lg text-primary animate-fade-in">
+          Scenario Builder
+        </h1>
+        <div className="border border-border/30 bg-card p-6 shadow-[2px_2px_0_0_var(--border)] min-h-[300px] flex flex-col items-center justify-center">
+          <p className="text-body-md text-muted-foreground font-mono text-center">
+            Scenario builder interface coming soon...
+          </p>
+        </div>
+      </div>
+    </div>
+  );
+}

apps/gui/src/components/config/ConfigView.tsx

@@ -0,0 +1,284 @@
+"use client";
+
+import { useEffect, useState, useCallback } from "react";
+import {
+  getConfigStatus,
+  listProviderInstances,
+  getProviderMappings,
+  setProviderMapping,
+  getAvailableProviders,
+  regenerateEmbeddings,
+} from "@/app/actions";
+import type { ModelProviderInstance, ModelProviderMeta } from "@omnia/llm";
+import { ProviderInstancesConfig } from "@/components/config/ProviderInstancesConfig";
+import {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "@/components/ui/table";
+
+interface ConfigStatus {
+  apiKeySet: boolean;
+  apiKeyPreview: string;
+  model: string;
+  availableScenarios: { path: string; name: string }[];
+}
+
+export function ConfigView() {
+  const [config, setConfig] = useState<ConfigStatus | null>(null);
+  const [instances, setInstances] = useState<ModelProviderInstance[]>([]);
+  const [mappings, setMappings] = useState<Record<string, string>>({});
+  const [availableProviders, setAvailableProviders] = useState<
+    ModelProviderMeta[]
+  >([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState("");
+
+  const loadInstances = useCallback(async () => {
+    const list = await listProviderInstances();
+    setInstances(list);
+  }, []);
+
+  const loadMappings = useCallback(async () => {
+    const maps = await getProviderMappings();
+    setMappings(maps);
+  }, []);
+
+  const loadAll = useCallback(async () => {
+    try {
+      setLoading(true);
+      setError("");
+      const status = await getConfigStatus();
+      setConfig(status);
+      await loadInstances();
+      await loadMappings();
+      const provs = await getAvailableProviders();
+      setAvailableProviders(provs);
+    } catch (err) {
+      setError(err instanceof Error ? err.message : String(err));
+    } finally {
+      setLoading(false);
+    }
+  }, [loadInstances, loadMappings]);
+
+  useEffect(() => {
+    loadAll();
+  }, [loadAll]);
+
+  const handleUpdateMapping = async (
+    task: string,
+    providerInstanceId: string,
+  ) => {
+    if (task === "embeddings" && mappings[task] !== providerInstanceId) {
+      const confirmChange = window.confirm(
+        "Changing the embeddings provider will delete all existing embeddings and regenerate them from scratch. Are you sure you want to do this?",
+      );
+      if (!confirmChange) return;
+    }
+
+    try {
+      setLoading(true);
+      await setProviderMapping(task, providerInstanceId);
+      if (task === "embeddings") {
+        await regenerateEmbeddings(providerInstanceId);
+      }
+      await loadMappings();
+    } catch (err) {
+      setError(err instanceof Error ? err.message : String(err));
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="flex-1 overflow-y-auto w-full relative">
+      <div className="relative z-10 mx-auto max-w-[1024px] px-10 py-12">
+        <h1 className="mb-6 text-headline-lg text-primary animate-fade-in">
+          Configuration
+        </h1>
+        <h2 className="mb-3 text-headline-md text-foreground">
+          Manage Model Instances
+        </h2>
+        {config === null && loading && (
+          <p className="text-body-md text-muted-foreground">
+            Loading configuration...
+          </p>
+        )}
+        {error && (
+          <div className="mb-4 border border-destructive bg-destructive/10 px-3 py-2 text-sm text-destructive">
+            {error}
+          </div>
+        )}
+
+        {config && (
+          <div
+            className={
+              loading
+                ? "opacity-60 pointer-events-none transition-opacity duration-200"
+                : "transition-opacity duration-200"
+            }
+          >
+            <ProviderInstancesConfig
+              instances={instances}
+              availableProviders={availableProviders}
+              mappings={mappings}
+              onChanged={async () => {
+                await loadInstances();
+                await loadMappings();
+              }}
+            />
+
+            <section className="border-b border-dotted border-border/20 mb-8 pb-8">
+              <h2 className="mb-3 text-headline-md text-foreground">
+                Task Provider Routing
+              </h2>
+              <p className="my-4 border border-border/20 bg-secondary px-3 py-2 text-label-sm text-foreground/80">
+                Configure which LLM Provider Key Instance should handle each
+                specific simulation task. Mappings default to the currently{" "}
+                <strong>Active</strong> instance if not specified.
+              </p>
+              <div className="mt-4 grid grid-cols-1 gap-6 md:grid-cols-2">
+                {[
+                  {
+                    key: "actor-prose",
+                    label: "Actor Prose Generation",
+                    desc: "Generates roleplay/narrative prose for Non-Player Characters.",
+                    type: "generative",
+                  },
+                  {
+                    key: "llm-validator",
+                    label: "LLM Validator",
+                    desc: "Arbitrates and validates proposed actions against the world state rules.",
+                    type: "generative",
+                  },
+                  {
+                    key: "intent-decoder",
+                    label: "Intent Decoder",
+                    desc: "Splits raw prose actions into structured intents (Player and NPC).",
+                    type: "generative",
+                  },
+                  {
+                    key: "timedelta",
+                    label: "TimeDelta Generator",
+                    desc: "Calculates the duration of character actions to advance the game clock.",
+                    type: "generative",
+                  },
+                  {
+                    key: "handoff",
+                    label: "Memory Handoff Engine",
+                    desc: "Promotes entities' working memories to the long-term Ledger via LLM summarization and pruning.",
+                    type: "generative",
+                  },
+                  {
+                    key: "embeddings",
+                    label: "Text Embeddings Generator",
+                    desc: "Generates vector embeddings for long-term memory retrieval.",
+                    type: "embedding",
+                  },
+                ].map((task) => (
+                  <div
+                    key={task.key}
+                    className="flex flex-col justify-between gap-3 border border-border/30 bg-card p-4 shadow-[2px_2px_0_0_var(--border)]"
+                  >
+                    <div className="flex flex-col gap-1">
+                      <strong className="text-body-md text-foreground">
+                        {task.label}
+                      </strong>
+                      <span className="mt-0.5 text-xs text-muted-foreground">
+                        {task.desc}
+                      </span>
+                    </div>
+                    <Select
+                      value={mappings[task.key] || ""}
+                      onValueChange={(value) =>
+                        handleUpdateMapping(task.key, value || "")
+                      }
+                    >
+                      <SelectTrigger className="w-full">
+                        <SelectValue placeholder="-- Use Active Key (Default) --">
+                          {(() => {
+                            const inst = instances.find(
+                              (i) => i.id === mappings[task.key],
+                            );
+                            return inst
+                              ? `${inst.name} (${inst.providerName})${inst.isActive ? " [Active]" : ""}`
+                              : null;
+                          })()}
+                        </SelectValue>
+                      </SelectTrigger>
+                      <SelectContent>
+                        <SelectGroup>
+                          <SelectItem value="">
+                            -- Use Active Key (Default) --
+                          </SelectItem>
+                          {instances
+                            .filter(
+                              (inst) =>
+                                (inst.type || "generative") === task.type,
+                            )
+                            .map((inst) => (
+                              <SelectItem key={inst.id} value={inst.id}>
+                                {inst.name} ({inst.providerName})
+                                {inst.isActive ? " [Active]" : ""}
+                              </SelectItem>
+                            ))}
+                        </SelectGroup>
+                      </SelectContent>
+                    </Select>
+                  </div>
+                ))}
+              </div>
+            </section>
+
+            <section className="mb-8">
+              <h2 className="mb-3 text-headline-md text-foreground">
+                Available Scenarios
+              </h2>
+              {config.availableScenarios.length === 0 ? (
+                <p className="mt-3 border border-accent bg-accent/25 px-3 py-2 text-label-sm text-foreground/80">
+                  No scenarios found in{" "}
+                  <code className="font-mono text-xs">
+                    content/demo/scenarios/
+                  </code>
+                  .
+                </p>
+              ) : (
+                <Table>
+                  <TableHeader>
+                    <TableRow>
+                      <TableHead>Name</TableHead>
+                      <TableHead>Path</TableHead>
+                    </TableRow>
+                  </TableHeader>
+                  <TableBody>
+                    {config.availableScenarios.map((s) => (
+                      <TableRow key={s.path}>
+                        <TableCell className="text-body-md">{s.name}</TableCell>
+                        <TableCell>
+                          <code className="font-mono text-xs text-primary">
+                            {s.path}
+                          </code>
+                        </TableCell>
+                      </TableRow>
+                    ))}
+                  </TableBody>
+                </Table>
+              )}
+            </section>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}

apps/gui/src/components/config/ProviderInstancesConfig.tsx

@@ -0,0 +1,680 @@
+"use client";
+
+import { useEffect, useRef, useState } from "react";
+import {
+  createProviderInstance,
+  updateProviderInstance,
+  setActiveProviderInstance,
+  regenerateEmbeddings,
+  deleteProviderInstance,
+  fetchAvailableModels,
+  fetchAvailableModelsForInstance,
+} from "@/app/actions";
+import type {
+  ModelInfo,
+  ModelProviderInstance,
+  ModelProviderMeta,
+} from "@omnia/llm";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Checkbox } from "@/components/ui/checkbox";
+import { Badge } from "@/components/ui/badge";
+import {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import {
+  Combobox,
+  ComboboxContent,
+  ComboboxEmpty,
+  ComboboxInput,
+  ComboboxItem,
+  ComboboxList,
+} from "@/components/ui/combobox";
+import {
+  Card,
+  CardHeader,
+  CardContent,
+  CardTitle,
+  CardAction,
+} from "@/components/ui/card";
+import {
+  Item,
+  ItemContent,
+  ItemGroup,
+  ItemTitle,
+  ItemDescription,
+} from "@/components/ui/item";
+import { Empty, EmptyTitle, EmptyDescription } from "@/components/ui/empty";
+import { cn } from "@/lib/utils";
+import { RefreshCwIcon } from "lucide-react";
+
+const providerLogoMap: Record<string, string> = {
+  anthropic: "/claude_logo.webp",
+  "google-genai": "/gemini_logo.webp",
+  openrouter: "/openrouter_logo.webp",
+  ollama: "/ollama_logo.webp",
+  deepseek: "/deepseek_logo.webp",
+  openai: "/openai_logo.webp",
+  groq: "/groq_logo.webp",
+};
+
+interface ProviderInstancesConfigProps {
+  instances: ModelProviderInstance[];
+  availableProviders: ModelProviderMeta[];
+  mappings: Record<string, string>;
+  onChanged: () => Promise<void>;
+}
+
+export function ProviderInstancesConfig({
+  instances,
+  availableProviders,
+  mappings,
+  onChanged,
+}: ProviderInstancesConfigProps) {
+  const [selectedInstanceId, setSelectedInstanceId] = useState<string | null>(
+    null,
+  );
+  const [editName, setEditName] = useState("");
+  const [editProvider, setEditProvider] = useState("google-genai");
+  const [editKey, setEditKey] = useState("");
+  const [editModel, setEditModel] = useState("gemini-2.5-flash");
+  const [editIsActive, setEditIsActive] = useState(false);
+  const [editType, setEditType] = useState<"generative" | "embedding">(
+    "generative",
+  );
+  const [editMaxContext, setEditMaxContext] = useState<number>(32768);
+  const [editEndpointUrl, setEditEndpointUrl] = useState("");
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState("");
+
+  // Model listing state
+  const [availableModels, setAvailableModels] = useState<ModelInfo[]>([]);
+  const [modelsLoading, setModelsLoading] = useState(false);
+  const debounceTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  // Fetch models for an existing saved instance
+  const fetchModelsForExistingInstance = async (instanceId: string) => {
+    setModelsLoading(true);
+    setAvailableModels([]);
+    try {
+      const models = await fetchAvailableModelsForInstance(instanceId);
+      setAvailableModels(models);
+    } catch {
+      setAvailableModels([]);
+    } finally {
+      setModelsLoading(false);
+    }
+  };
+
+  // Fetch models for a new instance (using live key/endpoint from form)
+  const fetchModelsForNewInstance = (
+    provider: string,
+    apiKey: string,
+    endpointUrl: string,
+  ) => {
+    if (debounceTimer.current) clearTimeout(debounceTimer.current);
+
+    const isOllama = provider === "ollama";
+    const hasCredentials = isOllama
+      ? endpointUrl.trim().length > 0
+      : apiKey.trim().length > 8; // don't spam API with partial keys
+
+    if (!hasCredentials) {
+      setAvailableModels([]);
+      return;
+    }
+
+    debounceTimer.current = setTimeout(async () => {
+      setModelsLoading(true);
+      setAvailableModels([]);
+      try {
+        const models = await fetchAvailableModels(
+          provider,
+          isOllama ? "none" : apiKey,
+          isOllama ? endpointUrl : undefined,
+        );
+        setAvailableModels(models);
+      } catch {
+        setAvailableModels([]);
+      } finally {
+        setModelsLoading(false);
+      }
+    }, 600);
+  };
+
+  useEffect(() => {
+    if (selectedInstanceId === null) {
+      setEditName("");
+      setEditProvider("google-genai");
+      setEditKey("");
+      setEditModel("gemini-2.5-flash");
+      setEditIsActive(false);
+      setEditType("generative");
+      setEditMaxContext(32768);
+      setEditEndpointUrl("");
+      setAvailableModels([]);
+    } else if (selectedInstanceId === "new") {
+      setEditName("");
+      const defaultProvider = "google-genai";
+      setEditProvider(defaultProvider);
+      setEditKey("");
+      setEditType("generative");
+      const pMeta = availableProviders.find((p) => p.id === defaultProvider);
+      setEditModel(pMeta?.defaultModel || "gemini-2.5-flash");
+      setEditIsActive(false);
+      setEditMaxContext(32768);
+      setEditEndpointUrl("");
+      setAvailableModels([]);
+    } else {
+      const inst = instances.find((i) => i.id === selectedInstanceId);
+      if (inst) {
+        setEditName(inst.name);
+        setEditProvider(inst.providerName);
+        setEditKey("");
+        setEditType(inst.type || "generative");
+        const pMeta = availableProviders.find(
+          (p) => p.id === inst.providerName,
+        );
+        setEditModel(
+          inst.modelName ||
+            (inst.type === "embedding"
+              ? pMeta?.defaultEmbeddingModel
+              : pMeta?.defaultModel) ||
+            "gemini-2.5-flash",
+        );
+        setEditIsActive(inst.isActive);
+        setEditMaxContext(
+          inst.maxContext !== undefined && inst.maxContext !== null
+            ? inst.maxContext
+            : 32768,
+        );
+        setEditEndpointUrl(inst.endpointUrl || "");
+        setAvailableModels([]);
+        // Auto-fetch models for existing instances
+        fetchModelsForExistingInstance(selectedInstanceId);
+      }
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [selectedInstanceId, instances, availableProviders]);
+
+  // Re-fetch models when provider/key/endpoint changes on new instance form
+  useEffect(() => {
+    if (selectedInstanceId !== "new") return;
+    fetchModelsForNewInstance(editProvider, editKey, editEndpointUrl);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [editProvider, editKey, editEndpointUrl, selectedInstanceId]);
+
+  const handleProviderChange = (providerId: string | null) => {
+    if (!providerId) return;
+    setEditProvider(providerId);
+    const pMeta = availableProviders.find((p) => p.id === providerId);
+    setEditModel(
+      editType === "embedding"
+        ? pMeta?.defaultEmbeddingModel || ""
+        : pMeta?.defaultModel || "",
+    );
+    setAvailableModels([]);
+  };
+
+  const handleTypeChange = (type: "generative" | "embedding") => {
+    setEditType(type);
+    const pMeta = availableProviders.find((p) => p.id === editProvider);
+    setEditModel(
+      type === "embedding"
+        ? pMeta?.defaultEmbeddingModel || ""
+        : pMeta?.defaultModel || "",
+    );
+  };
+
+  const handleRefreshModels = () => {
+    if (selectedInstanceId && selectedInstanceId !== "new") {
+      fetchModelsForExistingInstance(selectedInstanceId);
+    } else {
+      fetchModelsForNewInstance(editProvider, editKey, editEndpointUrl);
+    }
+  };
+
+  const handleSave = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!editName.trim()) {
+      setError("Name is required.");
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError("");
+
+      let shouldRegenerate = false;
+      let targetInstanceId = selectedInstanceId;
+
+      if (selectedInstanceId === "new") {
+        if (editProvider !== "ollama" && !editKey.trim()) {
+          setError("API Key is required for new instances.");
+          setLoading(false);
+          return;
+        }
+        const created = await createProviderInstance(
+          editName,
+          editProvider,
+          editProvider === "ollama" ? "none" : editKey,
+          editModel || undefined,
+          editType,
+          editType === "generative" ? editMaxContext : 0,
+          editProvider === "ollama"
+            ? editEndpointUrl || "http://localhost:11434"
+            : undefined,
+        );
+        if (editIsActive) {
+          await setActiveProviderInstance(created.id);
+        }
+        targetInstanceId = created.id;
+        setSelectedInstanceId(created.id);
+      } else {
+        if (!selectedInstanceId) return;
+        const inst = instances.find((i) => i.id === selectedInstanceId);
+        if (inst && inst.type === "embedding") {
+          const isMapped = mappings["embeddings"] === selectedInstanceId;
+          const isActive = inst.isActive && !mappings["embeddings"];
+          if (isMapped || isActive) {
+            const hasChanged =
+              inst.providerName !== editProvider ||
+              inst.modelName !== editModel;
+            if (hasChanged) {
+              const confirmChange = window.confirm(
+                "You have changed the configuration of the active embedding provider. This will delete all existing embeddings and regenerate them from scratch. Are you sure you want to do this?",
+              );
+              if (!confirmChange) {
+                setLoading(false);
+                return;
+              }
+              shouldRegenerate = true;
+            }
+          }
+        }
+
+        await updateProviderInstance(
+          selectedInstanceId,
+          editName,
+          editProvider,
+          editProvider === "ollama" ? "none" : editKey || undefined,
+          editModel || undefined,
+          editType,
+          editType === "generative" ? editMaxContext : 0,
+          editProvider === "ollama"
+            ? editEndpointUrl || "http://localhost:11434"
+            : undefined,
+        );
+        if (editIsActive) {
+          await setActiveProviderInstance(selectedInstanceId);
+        }
+      }
+
+      await onChanged();
+
+      if (shouldRegenerate && targetInstanceId && targetInstanceId !== "new") {
+        await regenerateEmbeddings(targetInstanceId);
+      }
+    } catch (err) {
+      setError(err instanceof Error ? err.message : String(err));
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleDelete = async () => {
+    if (selectedInstanceId === "new" || selectedInstanceId === null) return;
+    if (!confirm("Are you sure you want to delete this provider instance?"))
+      return;
+
+    try {
+      setLoading(true);
+      setError("");
+      await deleteProviderInstance(selectedInstanceId);
+      setSelectedInstanceId(null);
+      await onChanged();
+    } catch (err) {
+      setError(err instanceof Error ? err.message : String(err));
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <section className="mb-8 flex min-h-[600px] flex-col">
+      {error && (
+        <div className="mb-4 rounded border-2 border-red-500 bg-red-50 px-3 py-2 text-sm text-red-700">
+          {error}
+        </div>
+      )}
+      <div
+        className={cn(
+          "mt-4 grid flex-1 grid-cols-1 gap-4 md:grid-cols-[30%_70%]",
+          loading && "pointer-events-none opacity-60",
+          "transition-opacity duration-200",
+        )}
+      >
+        {/* Left panel - Instance list */}
+        <Card>
+          <CardHeader>
+            <CardTitle>Instances</CardTitle>
+            <CardAction>
+              <Button onClick={() => setSelectedInstanceId("new")} size="sm">
+                + Add
+              </Button>
+            </CardAction>
+          </CardHeader>
+          <CardContent>
+            {instances.length === 0 ? (
+              <Empty>
+                <EmptyTitle>No instances configured</EmptyTitle>
+              </Empty>
+            ) : (
+              <ItemGroup>
+                {instances.map((inst) => (
+                  <Item
+                    key={inst.id}
+                    variant={
+                      selectedInstanceId === inst.id ? "outline" : "muted"
+                    }
+                    className={cn(
+                      "cursor-pointer",
+                      selectedInstanceId === inst.id && "border-primary",
+                    )}
+                    onClick={() => setSelectedInstanceId(inst.id)}
+                  >
+                    <ItemContent className="flex-row items-center gap-3">
+                      {providerLogoMap[inst.providerName] && (
+                        <img
+                          src={providerLogoMap[inst.providerName]}
+                          alt={inst.providerName}
+                          className="max-h-[38px] max-w-[38px] shrink-0 rounded-sm object-contain"
+                        />
+                      )}
+                      <div className="flex flex-col gap-1">
+                        <ItemTitle>{inst.name}</ItemTitle>
+                        <div className="flex flex-row gap-1.5">
+                          {inst.isActive && <Badge>Active</Badge>}
+                          <Badge variant="outline">
+                            {inst.type === "generative" ? "gen" : "embed"}
+                          </Badge>
+                        </div>
+                      </div>
+                    </ItemContent>
+                  </Item>
+                ))}
+              </ItemGroup>
+            )}
+          </CardContent>
+        </Card>
+
+        {/* Right panel - Form */}
+        <Card>
+          {selectedInstanceId === null ? (
+            <CardContent className="flex min-h-[300px] items-center justify-center">
+              <Empty>
+                <EmptyTitle>No instance selected</EmptyTitle>
+                <EmptyDescription>
+                  Press + to add or select an existing Instance to edit
+                </EmptyDescription>
+              </Empty>
+            </CardContent>
+          ) : (
+            <form onSubmit={handleSave} className="flex h-full flex-col">
+              <CardHeader>
+                <CardTitle>
+                  {selectedInstanceId === "new"
+                    ? "Create New Provider Instance"
+                    : `Configure: ${editName}`}
+                </CardTitle>
+              </CardHeader>
+              <CardContent className="flex flex-1 flex-col gap-5">
+                <div className="flex flex-col gap-1.5">
+                  <Label htmlFor="formName">Friendly Name</Label>
+                  <Input
+                    id="formName"
+                    value={editName}
+                    onChange={(e) => setEditName(e.target.value)}
+                    placeholder="e.g. Gemini - Production"
+                    required
+                  />
+                </div>
+
+                <div className="grid grid-cols-[2fr_3fr] gap-4">
+                  <div className="flex flex-col gap-1.5">
+                    <Label>Instance Type</Label>
+                    {/* TODO: Change this to choice card */}
+                    <Select
+                      value={editType}
+                      onValueChange={(v) =>
+                        handleTypeChange(v as "generative" | "embedding")
+                      }
+                      items={[
+                        {
+                          label: "Generative (Text Generation)",
+                          value: "generative",
+                        },
+                        {
+                          label: "Embedding (Vector Embeddings)",
+                          value: "embedding",
+                        },
+                      ]}
+                    >
+                      <SelectTrigger className="w-full">
+                        <SelectValue />
+                      </SelectTrigger>
+                      <SelectContent>
+                        <SelectGroup>
+                          <SelectItem value="generative">
+                            Generative (Text Generation)
+                          </SelectItem>
+                          <SelectItem value="embedding">
+                            Embedding (Vector Embeddings)
+                          </SelectItem>
+                        </SelectGroup>
+                      </SelectContent>
+                    </Select>
+                  </div>
+
+                  <div className="flex flex-col gap-1.5">
+                    <Label>Provider Type</Label>
+                    <Select
+                      value={editProvider}
+                      onValueChange={handleProviderChange}
+                      items={availableProviders.map((p) => ({
+                        label: p.displayName,
+                        value: p.id,
+                      }))}
+                    >
+                      <SelectTrigger className="w-full">
+                        <SelectValue />
+                      </SelectTrigger>
+                      <SelectContent
+                        align="end"
+                        className="min-w-[var(--anchor-width)]"
+                      >
+                        <SelectGroup>
+                          {availableProviders.map((p) => (
+                            <SelectItem key={p.id} value={p.id}>
+                              {p.displayName}
+                            </SelectItem>
+                          ))}
+                        </SelectGroup>
+                      </SelectContent>
+                    </Select>
+                  </div>
+                </div>
+                {editProvider && availableProviders.length > 0 && (
+                  <span className="block rounded border-2 bg-muted px-3 py-2 text-xs text-muted-foreground">
+                    {
+                      availableProviders.find((p) => p.id === editProvider)
+                        ?.description
+                    }
+                  </span>
+                )}
+
+                {editProvider !== "ollama" && (
+                  <div className="flex flex-col gap-1.5">
+                    <Label htmlFor="formKey">API Key</Label>
+                    <Input
+                      id="formKey"
+                      type="password"
+                      value={editKey}
+                      onChange={(e) => setEditKey(e.target.value)}
+                      placeholder={
+                        selectedInstanceId === "new"
+                          ? "AIzaSy..."
+                          : "•••••••• (unchanged)"
+                      }
+                      required={selectedInstanceId === "new"}
+                    />
+                  </div>
+                )}
+
+                {editProvider === "ollama" && (
+                  <div className="flex flex-col gap-1.5">
+                    <Label htmlFor="formEndpoint">Endpoint URL</Label>
+                    <Input
+                      id="formEndpoint"
+                      value={editEndpointUrl}
+                      onChange={(e) => setEditEndpointUrl(e.target.value)}
+                      placeholder="e.g. http://localhost:11434"
+                      required
+                    />
+                  </div>
+                )}
+
+                <div className="flex flex-col gap-1.5">
+                  <div className="flex items-center justify-between">
+                    <Label htmlFor="formModel">Model</Label>
+                    <button
+                      type="button"
+                      onClick={handleRefreshModels}
+                      disabled={modelsLoading}
+                      className="flex items-center gap-1 rounded px-1.5 py-0.5 text-xs text-muted-foreground transition-colors hover:bg-muted hover:text-foreground disabled:opacity-40"
+                      title="Refresh model list"
+                    >
+                      <RefreshCwIcon
+                        className={cn(
+                          "size-3",
+                          modelsLoading && "animate-spin",
+                        )}
+                      />
+                      {modelsLoading
+                        ? "Fetching…"
+                        : availableModels.length > 0
+                          ? `${availableModels.length} models`
+                          : "Fetch models"}
+                    </button>
+                  </div>
+                  <Combobox
+                    value={editModel}
+                    onValueChange={(v) => {
+                      if (v) setEditModel(v);
+                    }}
+                    items={availableModels.map((m) => m.id)}
+                  >
+                    <ComboboxInput
+                      id="formModel"
+                      placeholder={
+                        modelsLoading
+                          ? "Fetching models…"
+                          : availableModels.length > 0
+                            ? "Search or select a model…"
+                            : "e.g. gemini-2.5-flash"
+                      }
+                      disabled={modelsLoading}
+                      showClear={false}
+                      value={editModel}
+                      onChange={(e) =>
+                        setEditModel((e.target as HTMLInputElement).value)
+                      }
+                      className="w-full"
+                    />
+                    <ComboboxContent>
+                      <ComboboxEmpty>
+                        {modelsLoading
+                          ? "Fetching models…"
+                          : "No models found. Type a custom model name above."}
+                      </ComboboxEmpty>
+                      <ComboboxList>
+                        {(modelId: string) => {
+                          const model = availableModels.find(
+                            (m) => m.id === modelId,
+                          );
+                          return (
+                            <ComboboxItem key={modelId} value={modelId}>
+                              <span className="flex-1 truncate">{modelId}</span>
+                              {model?.ownedBy && (
+                                <span className="ml-2 shrink-0 text-xs text-muted-foreground">
+                                  {model.ownedBy}
+                                </span>
+                              )}
+                            </ComboboxItem>
+                          );
+                        }}
+                      </ComboboxList>
+                    </ComboboxContent>
+                  </Combobox>
+                </div>
+
+                {editType === "generative" && (
+                  <div className="flex flex-col gap-1.5">
+                    <Label htmlFor="formMaxContext">
+                      Max Context Length (Tokens, 0 for infinite)
+                    </Label>
+                    <Input
+                      id="formMaxContext"
+                      type="number"
+                      value={editMaxContext}
+                      onChange={(e) =>
+                        setEditMaxContext(parseInt(e.target.value) || 0)
+                      }
+                      min={0}
+                      placeholder="e.g. 32768"
+                    />
+                  </div>
+                )}
+
+                <div className="flex flex-row items-center gap-2">
+                  <Checkbox
+                    id="formActive"
+                    checked={editIsActive}
+                    onCheckedChange={(v) => setEditIsActive(v === true)}
+                  />
+                  <Label htmlFor="formActive" className="cursor-pointer">
+                    Set as Active Instance
+                  </Label>
+                </div>
+
+                <div className="flex flex-row items-center justify-between gap-2">
+                  <div>
+                    {selectedInstanceId !== "new" && (
+                      <Button
+                        type="button"
+                        variant="destructive"
+                        onClick={handleDelete}
+                        disabled={loading}
+                      >
+                        Delete
+                      </Button>
+                    )}
+                  </div>
+                  <Button type="submit" disabled={loading}>
+                    {loading ? "Saving..." : "Save"}
+                  </Button>
+                </div>
+              </CardContent>
+            </form>
+          )}
+        </Card>
+      </div>
+    </section>
+  );
+}

apps/gui/src/components/home/HomeView.tsx

@@ -0,0 +1,462 @@
+"use client";
+
+import { useCallback, useEffect, useState } from "react";
+import Link from "next/link";
+import { useRouter } from "next/navigation";
+import {
+  startSimulation,
+  listSavedSimulations,
+  getConfigStatus,
+  getScenarioEntities,
+  deleteSimulation,
+  listProviderInstances,
+} from "@/app/actions";
+import type { SimSnapshot } from "@/lib/simulation-types";
+import type { ModelProviderInstance } from "@omnia/llm";
+import { Button } from "@/components/ui/button";
+import { ScenarioCard } from "@/components/play/ScenarioCard";
+import { Spinner } from "@/components/ui/spinner";
+import { Skeleton } from "@/components/ui/skeleton";
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogDescription,
+  DialogFooter,
+} from "@/components/ui/dialog";
+import {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { Input } from "@/components/ui/input";
+
+export function HomeView() {
+  const router = useRouter();
+  const [loading, setLoading] = useState(false);
+  const [loadingData, setLoadingData] = useState(true);
+  const [error, setError] = useState("");
+
+  const [savedSessions, setSavedSessions] = useState<SimSnapshot[]>([]);
+  const [scenarios, setScenarios] = useState<
+    { path: string; name: string; description: string }[]
+  >([]);
+  const [providerInstances, setProviderInstances] = useState<
+    ModelProviderInstance[]
+  >([]);
+
+  // Modal State
+  const [scenarioForModal, setScenarioForModal] = useState<{
+    path: string;
+    name: string;
+  } | null>(null);
+  const [modalEntities, setModalEntities] = useState<
+    { id: string; name: string }[]
+  >([]);
+  const [loadingEntities, setLoadingEntities] = useState(false);
+  const [selectedEntityForModal, setSelectedEntityForModal] =
+    useState<string>("");
+  const [customName, setCustomName] = useState<string>("");
+
+  const loadSavedSessions = useCallback(async () => {
+    try {
+      const res = await listSavedSimulations();
+      if (res.ok) {
+        setSavedSessions(res.sessions);
+      }
+    } catch {
+      // sessions load failed, ignore
+    }
+  }, []);
+
+  useEffect(() => {
+    let active = true;
+    async function loadAll() {
+      setLoadingData(true);
+      try {
+        const sessionsRes = await listSavedSimulations();
+        if (active && sessionsRes.ok) {
+          setSavedSessions(sessionsRes.sessions);
+        }
+      } catch {
+        // session load failed, ignore
+      }
+
+      try {
+        const configStatus = await getConfigStatus();
+        if (active) {
+          setScenarios(configStatus.availableScenarios);
+        }
+      } catch {
+        // scenarios load failed, ignore
+      }
+
+      try {
+        const providersList = await listProviderInstances();
+        if (active) {
+          setProviderInstances(providersList);
+        }
+      } catch {
+        // providers load failed, ignore
+      }
+
+      if (active) {
+        setLoadingData(false);
+      }
+    }
+    loadAll();
+    return () => {
+      active = false;
+    };
+  }, []);
+
+  const handleResume = (id: string) => {
+    router.push(`/play?simId=${id}`);
+  };
+
+  const handleDelete = async (id: string, e: React.MouseEvent) => {
+    e.stopPropagation();
+    if (!confirm("Are you sure you want to delete this simulation session?"))
+      return;
+    setLoading(true);
+    try {
+      const res = await deleteSimulation(id);
+      if (!res.ok) {
+        setError(res.error);
+      } else {
+        await loadSavedSessions();
+      }
+    } catch (err) {
+      setError(
+        err instanceof Error ? err.message : "Failed to delete session.",
+      );
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleScenarioClick = async (scenario: {
+    path: string;
+    name: string;
+  }) => {
+    setScenarioForModal(scenario);
+    setLoadingEntities(true);
+    setSelectedEntityForModal(""); // Reset selection to Spectator
+    setCustomName(scenario.name); // Set custom simulation name default
+    try {
+      const res = await getScenarioEntities(scenario.path);
+      if (res.ok) {
+        setModalEntities(res.entities);
+      } else {
+        setModalEntities([]);
+      }
+    } catch {
+      setModalEntities([]);
+    } finally {
+      setLoadingEntities(false);
+    }
+  };
+
+  const handleStartFromModal = async () => {
+    if (!scenarioForModal) return;
+    setLoading(true);
+    setError("");
+    const targetScenario = scenarioForModal;
+    setScenarioForModal(null); // close modal
+    try {
+      const result = await startSimulation({
+        scenario: targetScenario.path,
+        playEntity: selectedEntityForModal || undefined,
+        customName: customName.trim() || undefined,
+      });
+
+      if (!result.ok) {
+        setError(result.error);
+        setLoading(false);
+        return;
+      }
+
+      // Navigate to the separate play page with the newly created simulation ID
+      router.push(`/play?simId=${result.snapshot.id}`);
+    } catch (err) {
+      setError(
+        err instanceof Error ? err.message : "Failed to start simulation.",
+      );
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="flex-1 overflow-y-auto w-full relative">
+      <div className="relative z-10 mx-auto max-w-[1024px] px-10 py-12">
+        <div className="animate-fade-in">
+          {/* Centered Big Logo */}
+          <div className="flex flex-col items-center justify-center mb-10 pt-4">
+            <img
+              src="/logo-shadow.png"
+              alt="Omnia Logo"
+              className="h-28 object-contain mb-3"
+            />
+          </div>
+
+          {error && (
+            <div className="mb-6 border border-destructive bg-destructive/10 px-3 py-2 text-sm text-destructive">
+              {error}
+            </div>
+          )}
+
+          {providerInstances.length === 0 && !loadingData && (
+            <div className="mb-6 border border-yellow-500/30 bg-yellow-500/10 px-4 py-3 text-sm text-yellow-600 flex flex-col gap-2">
+              <span className="font-semibold flex items-center gap-1">
+                ⚠️ No LLM providers have been configured.
+              </span>
+              <span>
+                Please go to the{" "}
+                <Link
+                  href="/config"
+                  className="underline font-medium hover:text-yellow-700"
+                >
+                  Configuration
+                </Link>{" "}
+                page to set up at least one provider before running simulations.
+              </span>
+            </div>
+          )}
+
+          {/* Simulations Section */}
+          <section className="mb-10">
+            <h2 className="text-headline-lg text-primary mb-6 animate-fade-in">
+              Simulations
+            </h2>
+            {loadingData ? (
+              <div className="flex overflow-x-auto gap-6 pb-4 scrollbar-thin scrollbar-thumb-border/20">
+                {Array.from({ length: 3 }).map((_, index) => (
+                  <div
+                    key={index}
+                    className="flex-shrink-0 w-72 border border-border/30 bg-card p-5 shadow-sm transition-all flex flex-col justify-between h-[148px]"
+                  >
+                    <div className="space-y-3">
+                      <Skeleton className="h-5 w-2/3" />
+                      <Skeleton className="h-4 w-1/2" />
+                      <Skeleton className="h-3 w-1/3" />
+                    </div>
+                    <div className="flex justify-between items-center mt-4">
+                      <Skeleton className="h-4 w-16" />
+                    </div>
+                  </div>
+                ))}
+              </div>
+            ) : savedSessions.length === 0 ? (
+              <p className="text-sm italic text-muted-foreground">
+                No saved simulations found. Start a new one below!
+              </p>
+            ) : (
+              <div className="flex overflow-x-auto gap-6 pb-4 scrollbar-thin scrollbar-thumb-border/20">
+                {savedSessions.map((s) => (
+                  <div
+                    key={s.id}
+                    onClick={
+                      providerInstances.length === 0
+                        ? undefined
+                        : () => handleResume(s.id)
+                    }
+                    className={`flex-shrink-0 w-72 border border-border/30 bg-card p-5 shadow-sm transition-all relative group ${
+                      providerInstances.length === 0
+                        ? "opacity-50 cursor-not-allowed filter grayscale"
+                        : "cursor-pointer hover:-translate-y-0.5 hover:shadow-md active:translate-y-0 active:shadow-sm"
+                    }`}
+                  >
+                    <div className="flex flex-col gap-1 text-sm mb-4">
+                      <strong className="text-body-md text-foreground block">
+                        {s.scenarioName}
+                      </strong>
+                      <span className="text-xs text-muted-foreground">
+                        Turn {s.turn} &middot; {s.entities.length} entities
+                        &middot; {s.status}
+                      </span>
+                      <span className="text-xs text-muted-foreground/60 font-mono">
+                        ID: {s.id.substring(0, 8)}...
+                      </span>
+                    </div>
+                    <div className="flex justify-between items-center mt-4">
+                      <span className="text-xs text-primary font-mono uppercase tracking-wider">
+                        Resume
+                      </span>
+                      <Button
+                        size="sm"
+                        variant="destructive"
+                        onClick={(e) => handleDelete(s.id, e)}
+                        disabled={loading}
+                        title="Delete Session"
+                        className="opacity-0 group-hover:opacity-100 transition-opacity"
+                      >
+                        Delete
+                      </Button>
+                    </div>
+                  </div>
+                ))}
+              </div>
+            )}
+          </section>
+
+          {/* Scenarios Section */}
+          <section className="mb-10">
+            <h2 className="text-headline-lg text-primary mb-6 animate-fade-in">
+              Scenarios
+            </h2>
+            {loadingData ? (
+              <div className="flex overflow-x-auto gap-6 pb-4 scrollbar-thin scrollbar-thumb-border/20">
+                <Link href="/builder" className="no-underline flex-shrink-0">
+                  <div className="w-64 border border-border/30 bg-card p-5 cursor-pointer shadow-sm hover:-translate-y-0.5 hover:shadow-md active:translate-y-0 active:shadow-sm transition-all flex flex-col justify-between h-full min-h-[148px]">
+                    <div>
+                      <strong className="text-body-md text-foreground block mb-1">
+                        Build a scenario
+                      </strong>
+                      <span className="text-xs text-muted-foreground">
+                        Create a custom simulation starting point
+                      </span>
+                    </div>
+                    <div className="flex items-center gap-2 mt-4 text-xs font-mono uppercase tracking-wider text-primary">
+                      <span className="flex items-center justify-center size-5 border border-primary text-primary font-bold text-sm bg-primary/10">
+                        +
+                      </span>
+                      <span>Create New</span>
+                    </div>
+                  </div>
+                </Link>
+                {Array.from({ length: 3 }).map((_, index) => (
+                  <div
+                    key={index}
+                    className="flex-shrink-0 w-64 border border-border/30 bg-card p-5 shadow-sm flex flex-col justify-between h-[148px]"
+                  >
+                    <div className="space-y-3">
+                      <Skeleton className="h-5 w-3/4" />
+                      <Skeleton className="h-3 w-1/2" />
+                    </div>
+                    <div className="mt-4">
+                      <Skeleton className="h-4 w-20" />
+                    </div>
+                  </div>
+                ))}
+              </div>
+            ) : (
+              <div className="flex overflow-x-auto gap-6 pb-4 scrollbar-thin scrollbar-thumb-border/20">
+                <Link href="/builder" className="no-underline flex-shrink-0">
+                  <div className="w-64 border border-primary bg-primary p-5 cursor-pointer shadow-sm hover:-translate-y-0.5 hover:shadow-md active:translate-y-0 active:shadow-sm transition-all flex flex-col justify-between h-full min-h-[148px]">
+                    <div>
+                      <strong className="text-body-md text-surface block mb-1">
+                        Build a scenario
+                      </strong>
+                      <span className="text-xs text-surface/80">
+                        Create a custom simulation starting point
+                      </span>
+                    </div>
+                    <div className="flex items-center gap-2 mt-4 text-xs font-mono uppercase tracking-wider text-surface">
+                      <span className="flex items-center justify-center size-5 border border-surface text-surface font-bold text-sm bg-surface/20">
+                        +
+                      </span>
+                      <span>Create New</span>
+                    </div>
+                  </div>
+                </Link>
+                {scenarios.map((s) => (
+                  <ScenarioCard
+                    key={s.path}
+                    name={s.name}
+                    description={s.description}
+                    onClick={() => handleScenarioClick(s)}
+                    disabled={providerInstances.length === 0}
+                  />
+                ))}
+              </div>
+            )}
+          </section>
+
+          {/* Start Scenario Selection Modal */}
+          {scenarioForModal && (
+            <Dialog
+              open={!!scenarioForModal}
+              onOpenChange={(open) => !open && setScenarioForModal(null)}
+            >
+              <DialogContent className="max-w-[400px]">
+                <DialogHeader className="border-b border-dotted border-border/20 pb-4 mb-2">
+                  <DialogTitle>Start Scenario</DialogTitle>
+                  <DialogDescription>
+                    Choose how you want to interact with{" "}
+                    <strong>{scenarioForModal.name}</strong>.
+                  </DialogDescription>
+                </DialogHeader>
+
+                {loadingEntities ? (
+                  <div className="flex items-center gap-2 text-sm text-muted-foreground py-4 justify-center">
+                    <Spinner />
+                    <span>Loading scenario entities...</span>
+                  </div>
+                ) : (
+                  <div className="flex flex-col gap-4 py-4">
+                    <div className="flex flex-col gap-2">
+                      <label className="text-xs font-semibold uppercase tracking-wider text-muted-foreground font-mono">
+                        Custom Simulation Name
+                      </label>
+                      <Input
+                        value={customName}
+                        onChange={(e) => setCustomName(e.target.value)}
+                        placeholder="Enter custom name..."
+                      />
+                    </div>
+                    <div className="flex flex-col gap-2">
+                      <label className="text-xs font-semibold uppercase tracking-wider text-muted-foreground font-mono">
+                        Simulation Mode / Play as
+                      </label>
+                      <Select
+                        value={selectedEntityForModal}
+                        onValueChange={(val) =>
+                          setSelectedEntityForModal(val || "")
+                        }
+                      >
+                        <SelectTrigger className="w-full">
+                          <SelectValue placeholder="-- Run Fully Autonomously --" />
+                        </SelectTrigger>
+                        <SelectContent>
+                          <SelectGroup>
+                            <SelectItem value="">
+                              -- Run Fully Autonomously --
+                            </SelectItem>
+                            {modalEntities.map((ent) => (
+                              <SelectItem key={ent.id} value={ent.id}>
+                                Play as {ent.name}
+                              </SelectItem>
+                            ))}
+                          </SelectGroup>
+                        </SelectContent>
+                      </Select>
+                    </div>
+                  </div>
+                )}
+
+                <DialogFooter className="gap-2">
+                  <Button
+                    variant="outline"
+                    onClick={() => setScenarioForModal(null)}
+                  >
+                    Cancel
+                  </Button>
+                  <Button
+                    onClick={handleStartFromModal}
+                    disabled={loading || loadingEntities}
+                  >
+                    {loading ? "Starting..." : "Launch"}
+                  </Button>
+                </DialogFooter>
+              </DialogContent>
+            </Dialog>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}

apps/gui/src/components/nav/NavBar.tsx

@@ -1,69 +0,0 @@
-"use client";
-
-import Link from "next/link";
-import { usePathname } from "next/navigation";
-
-const links = [
-  { href: "/", label: "Home" },
-  { href: "/play", label: "Play" },
-  { href: "/config", label: "Config" },
-];
-
-export function NavBar() {
-  const pathname = usePathname();
-
-  return (
-    <nav className="navbar">
-      <Link href="/" className="nav-brand">
-        Omnia
-      </Link>
-      <div className="nav-links">
-        {links.map((link) => (
-          <Link
-            key={link.href}
-            href={link.href}
-            className={pathname === link.href ? "nav-link active" : "nav-link"}
-          >
-            {link.label}
-          </Link>
-        ))}
-      </div>
-      <style>{`
-        .navbar {
-          display: flex;
-          align-items: center;
-          gap: 1rem;
-          padding: 0.75rem 1rem;
-          border-bottom: 1px solid #e5e7eb;
-          background: #fff;
-        }
-        .nav-brand {
-          font-weight: 700;
-          font-size: 1rem;
-          color: #111;
-          text-decoration: none;
-        }
-        .nav-links {
-          display: flex;
-          gap: 0.5rem;
-        }
-        .nav-link {
-          padding: 0.25rem 0.75rem;
-          border-radius: 4px;
-          font-size: 0.875rem;
-          color: #555;
-          text-decoration: none;
-        }
-        .nav-link:hover {
-          background: #f3f4f6;
-          color: #111;
-        }
-        .nav-link.active {
-          background: #eff6ff;
-          color: #2563eb;
-          font-weight: 500;
-        }
-      `}</style>
-    </nav>
-  );
-}

apps/gui/src/components/play/InteractView.tsx

@@ -0,0 +1,218 @@
+"use client";
+
+import * as React from "react";
+import { useRouter } from "next/navigation";
+import type { SimSnapshot } from "@/lib/simulation-types";
+import { Button } from "@/components/ui/button";
+import { Textarea } from "@/components/ui/textarea";
+import { Spinner } from "@/components/ui/spinner";
+import { cn } from "@/lib/utils";
+
+function IntentTag({
+  intent,
+  isSelf,
+}: {
+  intent: SimSnapshot["log"][number]["intents"][number];
+  isSelf?: boolean;
+}) {
+  const labels: Record<string, string> = {
+    monologue: "thought",
+    dialogue: "dialogue",
+    action: "action",
+  };
+
+  const label = labels[intent.type] || intent.type;
+
+  let outcome = "";
+  if (intent.type === "action") {
+    outcome = intent.isValid ? " ✅" : ` ❌ (${intent.reason})`;
+  }
+
+  const textToDisplay =
+    isSelf && intent.selfDescription
+      ? intent.selfDescription
+      : intent.description;
+
+  const modifiersStr =
+    intent.modifiers && intent.modifiers.length > 0 ? (
+      <span className="italic opacity-80 text-muted-foreground ml-1">
+        ({intent.modifiers.join(", ")})
+      </span>
+    ) : null;
+
+  return (
+    <span className="text-sm text-muted-foreground">
+      [{label}] &ldquo;{textToDisplay}&rdquo;{modifiersStr}
+      {outcome}
+      {intent.minutesToAdvance ? ` [+${intent.minutesToAdvance}min]` : ""}
+    </span>
+  );
+}
+
+function formatSimTime(isoString: string) {
+  try {
+    const d = new Date(isoString);
+    if (isNaN(d.getTime())) return isoString;
+    const yyyy = d.getUTCFullYear();
+    const mm = String(d.getUTCMonth() + 1).padStart(2, "0");
+    const dd = String(d.getUTCDate()).padStart(2, "0");
+    const hh = String(d.getUTCHours()).padStart(2, "0");
+    const min = String(d.getUTCMinutes()).padStart(2, "0");
+    const ss = String(d.getUTCSeconds()).padStart(2, "0");
+    return `${yyyy}-${mm}-${dd} ${hh}:${min}:${ss} UTC`;
+  } catch {
+    return isoString;
+  }
+}
+
+function LogEntryCard({
+  entry,
+  onShowPrompt,
+  isPlayerCard,
+}: {
+  entry: SimSnapshot["log"][number];
+  onShowPrompt: (entry: SimSnapshot["log"][number]) => void;
+  isPlayerCard: boolean;
+}) {
+  const showMenu = !!(entry.rawPrompt || entry.decoderPrompt);
+
+  return (
+    <div
+      className={cn(
+        "border p-4 shadow-[2px_2px_0_0_var(--border)]",
+        isPlayerCard
+          ? "border-primary bg-surface-container-low"
+          : "border-border/30 bg-card",
+      )}
+    >
+      <div className="flex justify-between items-center mb-2 border-b border-dotted border-border/20 pb-2">
+        <div className="flex items-center gap-2">
+          <strong className="text-body-md font-bold text-foreground">
+            {entry.entityName}
+          </strong>
+          <span className="text-xs text-muted-foreground font-mono">
+            Turn {entry.turn} &middot; {formatSimTime(entry.timestamp)}
+          </span>
+        </div>
+        {showMenu && (
+          <Button
+            variant="ghost"
+            size="icon"
+            onClick={() => onShowPrompt(entry)}
+            title="View Raw Prompts & Token Usage"
+          >
+            ☰
+          </Button>
+        )}
+      </div>
+      <div className="text-body-md leading-relaxed mb-3 text-foreground/90 whitespace-pre-wrap">
+        {entry.narrativeProse}
+      </div>
+      <div className="flex flex-col gap-1.5 mt-2 border-t border-dotted border-border/10 pt-2">
+        {entry.intents.map((intent, i) => (
+          <IntentTag key={i} intent={intent} isSelf={isPlayerCard} />
+        ))}
+      </div>
+    </div>
+  );
+}
+
+interface InteractViewProps {
+  snapshot: SimSnapshot;
+  loading: boolean;
+  statusText: string;
+  playerInput: string;
+  setPlayerInput: (value: string) => void;
+  onSubmitAction: (e: React.FormEvent<HTMLFormElement>) => void;
+  onShowPrompt: (entry: SimSnapshot["log"][number]) => void;
+  logEndRef: React.RefObject<HTMLDivElement | null>;
+}
+
+export function InteractView({
+  snapshot,
+  loading,
+  statusText,
+  playerInput,
+  setPlayerInput,
+  onSubmitAction,
+  onShowPrompt,
+  logEndRef,
+}: InteractViewProps) {
+  const router = useRouter();
+
+  const playerEntity = snapshot.entities.find((e) => e.isPlayer);
+
+  return (
+    <>
+      {/* Scrollable Center Viewport */}
+      <main className="flex-1 overflow-y-auto px-8 py-6">
+        <div className="flex flex-col gap-4 max-w-[800px] mx-auto pb-12">
+          {snapshot.log.map((entry, i) => (
+            <LogEntryCard
+              key={i}
+              entry={entry}
+              onShowPrompt={onShowPrompt}
+              isPlayerCard={entry.entityId === playerEntity?.id}
+            />
+          ))}
+          {loading && (
+            <div className="flex items-center gap-2 text-sm italic text-muted-foreground p-2 font-mono">
+              <Spinner />
+              {statusText || "Processing..."}
+            </div>
+          )}
+          <div ref={logEndRef} />
+        </div>
+      </main>
+
+      {/* Sticky Chat / Interaction Input Footer */}
+      <footer className="sticky bottom-0 bg-background/95 backdrop-blur-xs border-t border-dotted border-border/20 px-8 py-4 z-10 shrink-0">
+        <div className="max-w-[800px] mx-auto">
+          {snapshot.status === "waiting_player" && snapshot.waitingEntity ? (
+            <div className="border border-border/30 bg-card p-4 shadow-[2px_2px_0_0_var(--border)]">
+              <details className="mb-3">
+                <summary className="cursor-pointer text-sm font-medium font-head text-primary select-none outline-none">
+                  <strong>Your context as {snapshot.waitingEntity.name}</strong>
+                </summary>
+                <pre className="text-xs whitespace-pre-wrap bg-input border border-border/20 p-2 max-h-[150px] overflow-y-auto mt-2 font-mono">
+                  {snapshot.waitingEntity.userContext}
+                </pre>
+              </details>
+
+              <form onSubmit={onSubmitAction} className="flex flex-col gap-2">
+                <Textarea
+                  value={playerInput}
+                  onChange={(e) => setPlayerInput(e.target.value)}
+                  placeholder="Describe what your character does, says, or thinks..."
+                  rows={3}
+                  disabled={loading}
+                />
+                <Button type="submit" disabled={loading || !playerInput.trim()}>
+                  {loading ? "Processing..." : "Submit Action"}
+                </Button>
+              </form>
+            </div>
+          ) : snapshot.status === "done" || snapshot.status === "error" ? (
+            <div className="flex justify-between items-center bg-card border border-border/30 p-4 shadow-[2px_2px_0_0_var(--border)]">
+              <span className="text-sm font-mono text-muted-foreground">
+                {snapshot.status === "error"
+                  ? "Simulation finished with an error."
+                  : "Simulation complete."}
+              </span>
+              <Button
+                onClick={() => {
+                  router.push("/");
+                }}
+                size="sm"
+              >
+                {snapshot.status === "error"
+                  ? "Back to Dashboard"
+                  : "New Simulation"}
+              </Button>
+            </div>
+          ) : null}
+        </div>
+      </footer>
+    </>
+  );
+}

apps/gui/src/components/play/ManageView.tsx

@@ -0,0 +1,176 @@
+"use client";
+
+import * as React from "react";
+import { useState } from "react";
+import type { SimSnapshot } from "@/lib/simulation-types";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { renameSimulation } from "@/app/actions";
+
+interface ManageViewProps {
+  snapshot: SimSnapshot;
+  onRename: (updated: SimSnapshot) => void;
+}
+
+export function ManageView({ snapshot, onRename }: ManageViewProps) {
+  const [isEditingName, setIsEditingName] = useState(false);
+  const [editedName, setEditedName] = useState(snapshot.scenarioName);
+  const [saving, setSaving] = useState(false);
+  const [error, setError] = useState("");
+
+  React.useEffect(() => {
+    setEditedName(snapshot.scenarioName);
+  }, [snapshot.scenarioName]);
+
+  const handleSaveName = async () => {
+    if (!editedName.trim()) return;
+    setSaving(true);
+    setError("");
+    try {
+      const res = await renameSimulation(snapshot.id, editedName.trim());
+      if (res.ok) {
+        onRename(res.snapshot);
+        setIsEditingName(false);
+      } else {
+        setError(res.error);
+      }
+    } catch (err) {
+      setError(
+        err instanceof Error ? err.message : "Failed to rename simulation",
+      );
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  return (
+    <main className="flex-1 overflow-y-auto px-8 py-6">
+      <div className="max-w-[800px] mx-auto space-y-6 pb-12">
+        {/* Simulation Info */}
+        <div className="border border-border/30 bg-card p-6 shadow-[2px_2px_0_0_var(--border)]">
+          <h3 className="text-headline-sm text-primary mb-4 border-b border-dotted border-border/20 pb-2">
+            Simulation Info
+          </h3>
+          {error && (
+            <div className="mb-4 border border-destructive bg-destructive/10 px-3 py-2 text-xs text-destructive">
+              {error}
+            </div>
+          )}
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-6 text-sm font-mono">
+            <div className="flex flex-col gap-1 border-b border-border/10 pb-2 md:col-span-2">
+              <span className="text-muted-foreground text-xs uppercase tracking-wider">
+                Simulation Name
+              </span>
+              {isEditingName ? (
+                <div className="flex items-center gap-2 mt-1">
+                  <Input
+                    value={editedName}
+                    onChange={(e) => setEditedName(e.target.value)}
+                    className="h-8 max-w-sm font-sans"
+                    disabled={saving}
+                  />
+                  <Button size="sm" onClick={handleSaveName} disabled={saving}>
+                    {saving ? "Saving..." : "Save"}
+                  </Button>
+                  <Button
+                    size="sm"
+                    variant="outline"
+                    onClick={() => setIsEditingName(false)}
+                    disabled={saving}
+                  >
+                    Cancel
+                  </Button>
+                </div>
+              ) : (
+                <div className="flex items-center gap-3">
+                  <span className="text-foreground font-bold text-base font-head">
+                    {snapshot.scenarioName}
+                  </span>
+                  <Button
+                    size="sm"
+                    variant="outline"
+                    className="h-6 text-[10px]"
+                    onClick={() => {
+                      setEditedName(snapshot.scenarioName);
+                      setIsEditingName(true);
+                    }}
+                  >
+                    Rename
+                  </Button>
+                </div>
+              )}
+            </div>
+
+            <div className="flex flex-col gap-1 border-b border-border/10 pb-2">
+              <span className="text-muted-foreground text-xs uppercase tracking-wider">
+                Session ID
+              </span>
+              <span className="text-foreground font-bold break-all">
+                {snapshot.id}
+              </span>
+            </div>
+            <div className="flex flex-col gap-1 border-b border-border/10 pb-2">
+              <span className="text-muted-foreground text-xs uppercase tracking-wider">
+                Max Turns
+              </span>
+              <span className="text-foreground font-bold font-mono">
+                {snapshot.maxTurns}
+              </span>
+            </div>
+            <div className="flex flex-col gap-1 border-b border-border/10 pb-2">
+              <span className="text-muted-foreground text-xs uppercase tracking-wider">
+                Turn Count
+              </span>
+              <span className="text-foreground font-bold font-mono">
+                {snapshot.turn}
+              </span>
+            </div>
+            <div className="flex flex-col gap-1 border-b border-border/10 pb-2">
+              <span className="text-muted-foreground text-xs uppercase tracking-wider">
+                Entities Registered
+              </span>
+              <span className="text-foreground font-bold font-mono">
+                {snapshot.entities.length}
+              </span>
+            </div>
+          </div>
+        </div>
+
+        {/* Entities Involved */}
+        <div className="border border-border/30 bg-card p-6 shadow-[2px_2px_0_0_var(--border)]">
+          <h3 className="text-headline-sm text-primary mb-4 border-b border-dotted border-border/20 pb-2">
+            Entities Involved
+          </h3>
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+            {snapshot.entities.map((ent) => (
+              <div
+                key={ent.id}
+                className="border border-border/20 bg-secondary/20 p-4 shadow-[1px_1px_0_0_var(--border)] flex justify-between items-center"
+              >
+                <div>
+                  <strong className="text-sm text-foreground block font-head tracking-wide">
+                    {ent.name}
+                  </strong>
+                  <span className="text-xs text-muted-foreground font-mono block mt-1">
+                    ID: {ent.id}
+                  </span>
+                </div>
+                <div className="flex items-center gap-2">
+                  {ent.isPlayer ? (
+                    <span className="bg-primary/20 text-primary border border-primary/30 px-2 py-0.5 text-xs font-mono">
+                      PLAYER
+                    </span>
+                  ) : (
+                    <span className="bg-secondary/60 text-muted-foreground border border-border/20 px-2 py-0.5 text-xs font-mono">
+                      NPC
+                    </span>
+                  )}
+                </div>
+              </div>
+            ))}
+          </div>
+        </div>
+      </div>
+    </main>
+  );
+}

apps/gui/src/components/play/PromptModal.tsx

@@ -0,0 +1,457 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import type { SimSnapshot } from "@/lib/simulation-types";
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+
+import {
+  Accordion,
+  AccordionItem,
+  AccordionTrigger,
+  AccordionContent,
+} from "@/components/ui/accordion";
+import { PromptSwitcher } from "@/components/play/PromptSwitcher";
+
+interface PromptModalProps {
+  entry: SimSnapshot["log"][number];
+  onClose: () => void;
+}
+
+export function PromptModal({ entry, onClose }: PromptModalProps) {
+  const [activeTab, setActiveTab] = useState<"actor" | "decoder">("actor");
+
+  const parseActorPrompt = (
+    systemPrompt: string,
+    userContext: string,
+    inputTokens: number,
+  ) => {
+    const recentHeader = "=== RECENT EVENTS ===";
+    const ledgerHeader = "=== YOUR MEMORIES ===";
+
+    const recentIdx = userContext.indexOf(recentHeader);
+    let worldStr = userContext;
+    let recentStr = "";
+    let ledgerStr = "";
+
+    if (recentIdx !== -1) {
+      worldStr = userContext.substring(0, recentIdx).trim();
+      const rest = userContext.substring(recentIdx).trim();
+      const ledgerIdx = rest.indexOf(ledgerHeader);
+      if (ledgerIdx !== -1) {
+        recentStr = rest.substring(0, ledgerIdx).trim();
+        ledgerStr = rest.substring(ledgerIdx).trim();
+      } else {
+        recentStr = rest;
+      }
+    }
+
+    const sections: { label: string; type: string; content: string }[] = [
+      { label: "System Prompt", type: "system", content: systemPrompt },
+      { label: "World Info", type: "world", content: worldStr },
+      {
+        label: "Recent Events",
+        type: "events",
+        content: recentStr || "(No recent events.)",
+      },
+      {
+        label: "Long-Term Memories",
+        type: "memories",
+        content: ledgerStr || "(No long-term memories.)",
+      },
+    ];
+
+    const totalLen = sections.reduce((sum, s) => sum + s.content.length, 0);
+    if (totalLen === 0) return null;
+
+    return sections.map((s) => {
+      const pct = (s.content.length / totalLen) * 100;
+      return {
+        ...s,
+        pct,
+        relativePct: pct,
+        tokens: Math.round((s.content.length / totalLen) * inputTokens),
+      };
+    });
+  };
+
+  const parseDecoderPrompt = (
+    systemPrompt: string,
+    userContext: string,
+    inputTokens: number,
+  ) => {
+    const proseHeader = "=== NARRATIVE PROSE ===";
+    const idx = userContext.indexOf(proseHeader);
+
+    let worldStr = userContext;
+    let proseStr = "";
+
+    if (idx !== -1) {
+      worldStr = userContext.substring(0, idx).trim();
+      proseStr = userContext.substring(idx).trim();
+    }
+
+    const sysLen = systemPrompt.length;
+    const worldLen = worldStr.length;
+    const proseLen = proseStr.length;
+    const totalLen = sysLen + worldLen + proseLen;
+
+    if (totalLen === 0) return null;
+
+    const sysPct = (sysLen / totalLen) * 100;
+    const worldPct = (worldLen / totalLen) * 100;
+    const prosePct = (proseLen / totalLen) * 100;
+
+    const sysTokens = Math.round((sysLen / totalLen) * inputTokens);
+    const worldTokens = Math.round((worldLen / totalLen) * inputTokens);
+    const proseTokens = Math.max(0, inputTokens - sysTokens - worldTokens);
+
+    return [
+      {
+        label: "System Prompt",
+        pct: sysPct,
+        relativePct: sysPct,
+        tokens: sysTokens,
+        type: "system",
+        content: systemPrompt,
+      },
+      {
+        label: "Decoder Context",
+        pct: worldPct,
+        relativePct: worldPct,
+        tokens: worldTokens,
+        type: "world",
+        content: worldStr,
+      },
+      {
+        label: "Narrative Prose",
+        pct: prosePct,
+        relativePct: prosePct,
+        tokens: proseTokens,
+        type: "memories",
+        content: proseStr,
+      },
+    ];
+  };
+
+  const actorBreakdown =
+    entry.rawPrompt && entry.usage
+      ? parseActorPrompt(
+          entry.rawPrompt.systemPrompt,
+          entry.rawPrompt.userContext,
+          entry.usage.inputTokens,
+        )
+      : null;
+  const decoderBreakdown =
+    entry.decoderPrompt && entry.decoderUsage
+      ? parseDecoderPrompt(
+          entry.decoderPrompt.systemPrompt,
+          entry.decoderPrompt.userContext,
+          entry.decoderUsage.inputTokens,
+        )
+      : null;
+
+  const actorMaxContext =
+    entry.usage?.maxContext !== undefined ? entry.usage.maxContext : 32768;
+  const actorUsedTokens = entry.usage?.inputTokens || 0;
+  const actorUsagePctOfContext =
+    actorMaxContext > 0 ? (actorUsedTokens / actorMaxContext) * 100 : 0;
+  const isActorAbsolute = actorMaxContext > 0 && actorUsagePctOfContext >= 20;
+
+  const scaledActorBreakdown = actorBreakdown
+    ? actorBreakdown.map((item) => ({
+        ...item,
+        pct: isActorAbsolute
+          ? item.relativePct * (actorUsedTokens / actorMaxContext)
+          : item.relativePct,
+      }))
+    : null;
+
+  const decoderMaxContext =
+    entry.decoderUsage?.maxContext !== undefined
+      ? entry.decoderUsage.maxContext
+      : 32768;
+  const decoderUsedTokens = entry.decoderUsage?.inputTokens || 0;
+  const decoderUsagePctOfContext =
+    decoderMaxContext > 0 ? (decoderUsedTokens / decoderMaxContext) * 100 : 0;
+  const isDecoderAbsolute =
+    decoderMaxContext > 0 && decoderUsagePctOfContext >= 20;
+
+  const scaledDecoderBreakdown = decoderBreakdown
+    ? decoderBreakdown.map((item) => ({
+        ...item,
+        pct: isDecoderAbsolute
+          ? item.relativePct * (decoderUsedTokens / decoderMaxContext)
+          : item.relativePct,
+      }))
+    : null;
+
+  useEffect(() => {
+    if (!entry.rawPrompt && entry.decoderPrompt) {
+      setActiveTab("decoder");
+    }
+  }, [entry]);
+
+  return (
+    <Dialog open onOpenChange={(open) => !open && onClose()}>
+      <DialogContent className="max-w-[750px] sm:max-w-[750px] h-[90vh] overflow-hidden flex flex-col p-0 gap-0">
+        <DialogHeader className="px-6 pt-5 pb-4 border-b">
+          <DialogTitle className="text-lg">
+            Raw Prompts & Token Usage ({entry.entityName})
+          </DialogTitle>
+        </DialogHeader>
+
+        <PromptSwitcher
+          activeTab={activeTab}
+          onTabChange={setActiveTab}
+          hasActor={!!entry.rawPrompt}
+          hasDecoder={!!entry.decoderPrompt}
+        />
+
+        <div className="overflow-y-auto flex-1 p-5">
+          {activeTab === "actor" && entry.rawPrompt && (
+            <div className="flex flex-col gap-4">
+              {entry.usage ? (
+                <div className="rounded border-2 bg-muted/50 px-3 py-2 text-sm text-muted-foreground">
+                  <strong>LLM Instance:</strong>{" "}
+                  <span>{entry.usage.providerInstanceName || "Default"}</span>
+                  {entry.usage.modelName && (
+                    <span> ({entry.usage.modelName})</span>
+                  )}
+                </div>
+              ) : (
+                <div className="rounded border-2 bg-muted/50 px-3 py-2 text-sm italic text-muted-foreground">
+                  No LLM token usage (Player turn used fixed prose).
+                </div>
+              )}
+
+              {scaledActorBreakdown && (
+                <div>
+                  <div className="flex justify-between items-center text-xs text-muted-foreground mb-1">
+                    <span className="font-semibold">
+                      Input Prompt Breakdown
+                    </span>
+                    <span>
+                      Total Input Tokens: <strong>{actorUsedTokens}</strong>
+                      {actorMaxContext > 0 ? (
+                        <span>
+                          {" "}
+                          / {actorMaxContext} (
+                          {actorUsagePctOfContext.toFixed(1)}% used)
+                        </span>
+                      ) : (
+                        <span> (infinite context)</span>
+                      )}
+                    </span>
+                  </div>
+                  <div className="flex h-6 w-full rounded border overflow-hidden bg-muted shadow-inner mb-2">
+                    {scaledActorBreakdown.map((item, idx) => {
+                      const displayPct =
+                        actorMaxContext > 0
+                          ? (item.tokens / actorMaxContext) * 100
+                          : item.relativePct;
+                      return (
+                        <div
+                          key={idx}
+                          className={`h-full transition-all duration-300 ${
+                            item.type === "system"
+                              ? "bg-blue-500"
+                              : item.type === "world"
+                                ? "bg-emerald-500"
+                                : item.type === "memories"
+                                  ? "bg-purple-500"
+                                  : "bg-amber-500"
+                          }`}
+                          style={{ width: `${item.pct}%` }}
+                          title={`${item.label}: ${item.tokens} tokens (${displayPct.toFixed(1)}%)`}
+                        />
+                      );
+                    })}
+                    {isActorAbsolute && (
+                      <div
+                        className="bg-white h-full"
+                        style={{ width: `${100 - actorUsagePctOfContext}%` }}
+                        title={`Available: ${actorMaxContext - actorUsedTokens} tokens (${(100 - actorUsagePctOfContext).toFixed(1)}% remaining)`}
+                      />
+                    )}
+                  </div>
+                  <Accordion type="multiple">
+                    {scaledActorBreakdown.map((item, idx) => {
+                      const displayPct =
+                        actorMaxContext > 0
+                          ? (item.tokens / actorMaxContext) * 100
+                          : item.relativePct;
+                      return (
+                        <AccordionItem key={idx} value={String(idx)}>
+                          <AccordionTrigger className="text-sm">
+                            <span
+                              className={`inline-block w-2.5 h-2.5 rounded-sm mr-2 ${
+                                item.type === "system"
+                                  ? "bg-blue-500"
+                                  : item.type === "world"
+                                    ? "bg-emerald-500"
+                                    : item.type === "memories"
+                                      ? "bg-purple-500"
+                                      : "bg-amber-500"
+                              }`}
+                            />
+                            {item.label}: <strong>{item.tokens}</strong> tokens
+                            ({displayPct.toFixed(0)}%)
+                          </AccordionTrigger>
+                          <AccordionContent>
+                            <pre className="m-0 p-2 bg-muted rounded text-xs font-mono whitespace-pre-wrap text-foreground">
+                              {item.content}
+                            </pre>
+                          </AccordionContent>
+                        </AccordionItem>
+                      );
+                    })}
+                  </Accordion>
+                </div>
+              )}
+
+              {entry.usage && (
+                <div>
+                  <div className="flex justify-between items-center text-xs text-muted-foreground mb-2">
+                    <span className="font-semibold">LLM Output</span>
+                    <span>
+                      Total Output Tokens:{" "}
+                      <strong>{entry.usage.outputTokens}</strong>
+                    </span>
+                  </div>
+                  <div className="rounded border-2">
+                    <pre className="m-0 p-2 bg-muted text-xs font-mono whitespace-pre-wrap text-foreground">
+                      {entry.narrativeProse}
+                    </pre>
+                  </div>
+                </div>
+              )}
+            </div>
+          )}
+
+          {activeTab === "decoder" && entry.decoderPrompt && (
+            <div className="flex flex-col gap-4">
+              {entry.decoderUsage && (
+                <div className="rounded border-2 bg-muted/50 px-3 py-2 text-sm text-muted-foreground">
+                  <strong>LLM Instance:</strong>{" "}
+                  <span>
+                    {entry.decoderUsage.providerInstanceName || "Default"}
+                  </span>
+                  {entry.decoderUsage.modelName && (
+                    <span> ({entry.decoderUsage.modelName})</span>
+                  )}
+                </div>
+              )}
+
+              {scaledDecoderBreakdown && (
+                <div>
+                  <div className="flex justify-between items-center text-xs text-muted-foreground mb-1">
+                    <span className="font-semibold">
+                      Input Prompt Breakdown
+                    </span>
+                    <span>
+                      Total Input Tokens: <strong>{decoderUsedTokens}</strong>
+                      {decoderMaxContext > 0 ? (
+                        <span>
+                          {" "}
+                          / {decoderMaxContext} (
+                          {decoderUsagePctOfContext.toFixed(1)}% used)
+                        </span>
+                      ) : (
+                        <span> (infinite context)</span>
+                      )}
+                    </span>
+                  </div>
+                  <div className="flex h-6 w-full rounded border overflow-hidden bg-muted shadow-inner mb-2">
+                    {scaledDecoderBreakdown.map((item, idx) => {
+                      const displayPct =
+                        decoderMaxContext > 0
+                          ? (item.tokens / decoderMaxContext) * 100
+                          : item.relativePct;
+                      return (
+                        <div
+                          key={idx}
+                          className={`h-full transition-all duration-300 ${
+                            item.type === "system"
+                              ? "bg-blue-500"
+                              : item.type === "world"
+                                ? "bg-emerald-500"
+                                : item.type === "memories"
+                                  ? "bg-purple-500"
+                                  : "bg-amber-500"
+                          }`}
+                          style={{ width: `${item.pct}%` }}
+                          title={`${item.label}: ${item.tokens} tokens (${displayPct.toFixed(1)}%)`}
+                        />
+                      );
+                    })}
+                    {isDecoderAbsolute && (
+                      <div
+                        className="bg-white h-full"
+                        style={{ width: `${100 - decoderUsagePctOfContext}%` }}
+                        title={`Available: ${decoderMaxContext - decoderUsedTokens} tokens (${(100 - decoderUsagePctOfContext).toFixed(1)}% remaining)`}
+                      />
+                    )}
+                  </div>
+                  <Accordion type="multiple">
+                    {scaledDecoderBreakdown.map((item, idx) => {
+                      const displayPct =
+                        decoderMaxContext > 0
+                          ? (item.tokens / decoderMaxContext) * 100
+                          : item.relativePct;
+                      return (
+                        <AccordionItem key={idx} value={String(idx)}>
+                          <AccordionTrigger className="text-sm">
+                            <span
+                              className={`inline-block w-2.5 h-2.5 rounded-sm mr-2 ${
+                                item.type === "system"
+                                  ? "bg-blue-500"
+                                  : item.type === "world"
+                                    ? "bg-emerald-500"
+                                    : item.type === "memories"
+                                      ? "bg-purple-500"
+                                      : "bg-amber-500"
+                              }`}
+                            />
+                            {item.label}: <strong>{item.tokens}</strong> tokens
+                            ({displayPct.toFixed(0)}%)
+                          </AccordionTrigger>
+                          <AccordionContent>
+                            <pre className="m-0 p-2 bg-muted rounded text-xs font-mono whitespace-pre-wrap text-foreground">
+                              {item.content}
+                            </pre>
+                          </AccordionContent>
+                        </AccordionItem>
+                      );
+                    })}
+                  </Accordion>
+                </div>
+              )}
+
+              {entry.decoderUsage && (
+                <div>
+                  <div className="flex justify-between items-center text-xs text-muted-foreground mb-2">
+                    <span className="font-semibold">LLM Output</span>
+                    <span>
+                      Total Output Tokens:{" "}
+                      <strong>{entry.decoderUsage.outputTokens}</strong>
+                    </span>
+                  </div>
+                  <div className="rounded border-2">
+                    <pre className="m-0 p-2 bg-muted text-xs font-mono whitespace-pre-wrap text-foreground">
+                      {JSON.stringify(entry.intents, null, 2)}
+                    </pre>
+                  </div>
+                </div>
+              )}
+            </div>
+          )}
+        </div>
+      </DialogContent>
+    </Dialog>
+  );
+}

apps/gui/src/components/play/PromptSwitcher.tsx

@@ -0,0 +1,43 @@
+"use client";
+
+interface PromptSwitcherProps {
+  activeTab: "actor" | "decoder";
+  onTabChange: (tab: "actor" | "decoder") => void;
+  hasActor: boolean;
+  hasDecoder: boolean;
+}
+
+export function PromptSwitcher({
+  activeTab,
+  onTabChange,
+  hasActor,
+  hasDecoder,
+}: PromptSwitcherProps) {
+  return (
+    <div className="flex items-center justify-center gap-4 border-b bg-muted/50 px-5 py-4">
+      <button
+        onClick={() => onTabChange("actor")}
+        disabled={!hasActor}
+        className={`flex h-14 w-40 items-center justify-center border-2 text-sm font-medium transition-all ${
+          activeTab === "actor"
+            ? "border-primary bg-primary text-primary-foreground shadow-sm"
+            : "border-border/30 bg-card text-foreground hover:border-primary/50"
+        } disabled:cursor-not-allowed disabled:opacity-40`}
+      >
+        Actor Prompt
+      </button>
+      <span className="text-xl text-muted-foreground">→</span>
+      <button
+        onClick={() => onTabChange("decoder")}
+        disabled={!hasDecoder}
+        className={`flex h-14 w-44 items-center justify-center border-2 text-sm font-medium transition-all ${
+          activeTab === "decoder"
+            ? "border-primary bg-primary text-primary-foreground shadow-sm"
+            : "border-border/30 bg-card text-foreground hover:border-primary/50"
+        } disabled:cursor-not-allowed disabled:opacity-40`}
+      >
+        Intent Decoder
+      </button>
+    </div>
+  );
+}

apps/gui/src/components/play/ScenarioCard.tsx

@@ -0,0 +1,47 @@
+"use client";
+
+function truncate(text: string, maxLen: number): string {
+  if (text.length <= maxLen) return text;
+  return text.slice(0, maxLen).trimEnd() + "...";
+}
+
+interface ScenarioCardProps {
+  name: string;
+  description: string;
+  onClick: () => void;
+  disabled?: boolean;
+}
+
+export function ScenarioCard({
+  name,
+  description,
+  onClick,
+  disabled,
+}: ScenarioCardProps) {
+  return (
+    <div
+      onClick={disabled ? undefined : onClick}
+      className={`flex-shrink-0 w-64 border border-border/30 bg-card p-5 shadow-sm transition-all ${
+        disabled
+          ? "opacity-50 cursor-not-allowed filter grayscale"
+          : "cursor-pointer hover:-translate-y-0.5 hover:shadow-md active:translate-y-0 active:shadow-sm"
+      }`}
+    >
+      <strong className="text-body-md text-foreground block mb-2">
+        {name}
+      </strong>
+      <p className="text-xs text-muted-foreground leading-relaxed mb-1">
+        {truncate(description, 80)}
+      </p>
+      <span
+        className={`mt-4 flex items-center justify-center size-7 border font-mono text-sm font-bold ${
+          disabled
+            ? "border-muted text-muted bg-muted/10"
+            : "border-primary bg-primary/10 text-primary"
+        }`}
+      >
+        {">"}
+      </span>
+    </div>
+  );
+}

apps/gui/src/components/ui/accordion.tsx

@@ -0,0 +1,101 @@
+"use client";
+
+import * as React from "react";
+import { ChevronDownIcon } from "lucide-react";
+import { Accordion as AccordionPrimitive } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+
+// Smooth, premium easing for the open/close — fast out of the gate, gentle
+// settle. Shared by the panel height and the chevron so they move in lockstep.
+const EASE = "ease-[cubic-bezier(0.32,0.72,0,1)]";
+
+function Accordion({
+  className,
+  ...props
+}: React.ComponentProps<typeof AccordionPrimitive.Root>) {
+  return (
+    <AccordionPrimitive.Root
+      data-slot="accordion"
+      className={cn("flex w-full flex-col gap-3", className)}
+      {...props}
+    />
+  );
+}
+
+function AccordionItem({
+  className,
+  ...props
+}: React.ComponentProps<typeof AccordionPrimitive.Item>) {
+  return (
+    <AccordionPrimitive.Item
+      data-slot="accordion-item"
+      className={cn(
+        "overflow-hidden rounded border-2 bg-background text-foreground shadow-md transition-shadow duration-200 hover:shadow-sm data-[state=open]:shadow-sm",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function AccordionTrigger({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof AccordionPrimitive.Trigger>) {
+  return (
+    <AccordionPrimitive.Header data-slot="accordion-header" className="flex">
+      <AccordionPrimitive.Trigger
+        data-slot="accordion-trigger"
+        className={cn(
+          "flex flex-1 cursor-pointer items-center justify-between gap-4 px-4 py-3 text-left font-head transition-colors hover:bg-muted/50 data-[state=open]:bg-muted/40 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary [&[data-state=open]>svg]:rotate-180",
+          className,
+        )}
+        {...props}
+      >
+        {children}
+        <ChevronDownIcon
+          aria-hidden
+          data-slot="accordion-trigger-icon"
+          className={cn(
+            "h-4 w-4 shrink-0 text-muted-foreground transition-transform duration-300",
+            EASE,
+          )}
+        />
+      </AccordionPrimitive.Trigger>
+    </AccordionPrimitive.Header>
+  );
+}
+
+function AccordionContent({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof AccordionPrimitive.Content>) {
+  return (
+    <AccordionPrimitive.Content
+      data-slot="accordion-content"
+      // Radix publishes the measured height as `--radix-accordion-content-height`
+      // and toggles `data-state`. The accordion-down/up keyframes (in
+      // shadcn-tailwind.css) interpolate height between that var and 0 for a real
+      // slide open/close — the Base UI variant achieves the same via transitions.
+      className="group/panel overflow-hidden bg-card font-body text-sm text-muted-foreground data-[state=open]:animate-accordion-down data-[state=closed]:animate-accordion-up"
+      {...props}
+    >
+      <div
+        className={cn(
+          "px-4 pt-2 pb-4 transition-[opacity,transform] duration-300 ease-out",
+          // Fade + nudge the content as the panel opens/closes, synced to the slide.
+          "group-data-[state=closed]/panel:-translate-y-1 group-data-[state=closed]/panel:opacity-0",
+          "[&_a]:underline [&_a]:underline-offset-3 [&_a]:hover:text-foreground [&_p:not(:last-child)]:mb-4",
+          className,
+        )}
+      >
+        {children}
+      </div>
+    </AccordionPrimitive.Content>
+  );
+}
+
+export { Accordion, AccordionItem, AccordionTrigger, AccordionContent };

apps/gui/src/components/ui/badge.tsx

@@ -0,0 +1,49 @@
+import * as React from "react";
+import { cva, type VariantProps } from "class-variance-authority";
+import { Slot } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+
+const badgeVariants = cva(
+  "group/badge inline-flex h-5 w-fit shrink-0 items-center justify-center gap-1 overflow-hidden rounded border px-2 py-0.5 text-xs font-head font-medium whitespace-nowrap transition-all focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 aria-invalid:border-destructive [&>svg]:pointer-events-none [&>svg]:size-3!",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary text-primary-foreground [a]:hover:bg-primary/80",
+        secondary:
+          "bg-secondary text-secondary-foreground [a]:hover:bg-secondary/80",
+        destructive:
+          "bg-destructive text-destructive-foreground [a]:hover:bg-destructive/90",
+        outline:
+          "bg-transparent text-foreground [a]:hover:bg-muted [a]:hover:text-muted-foreground",
+        ghost:
+          "border-transparent bg-transparent shadow-none hover:bg-muted hover:text-muted-foreground dark:hover:bg-muted/50",
+        link: "border-transparent bg-transparent shadow-none text-primary underline-offset-4 hover:underline",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+function Badge({
+  className,
+  variant = "default",
+  asChild = false,
+  ...props
+}: React.ComponentProps<"span"> &
+  VariantProps<typeof badgeVariants> & { asChild?: boolean }) {
+  const Comp = asChild ? Slot.Root : "span";
+
+  return (
+    <Comp
+      data-slot="badge"
+      data-variant={variant}
+      className={cn(badgeVariants({ variant }), className)}
+      {...props}
+    />
+  );
+}
+
+export { Badge, badgeVariants };

apps/gui/src/components/ui/button.tsx

@@ -0,0 +1,57 @@
+import * as React from "react";
+import { Slot } from "@radix-ui/react-slot";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap text-sm font-medium border border-border/30 outline-none transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0 shadow-sm active:translate-x-[1px] active:translate-y-[1px] active:shadow-xs focus-visible:ring-2 focus-visible:ring-ring",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary text-primary-foreground hover:bg-primary-hover",
+        destructive:
+          "bg-destructive text-destructive-foreground hover:bg-destructive/90",
+        outline: "bg-background hover:bg-secondary",
+        secondary:
+          "bg-secondary text-secondary-foreground hover:bg-secondary-foreground/10",
+        ghost:
+          "border-transparent shadow-none active:translate-x-0 active:translate-y-0 active:shadow-none hover:bg-secondary",
+        link: "border-transparent shadow-none active:translate-x-0 active:translate-y-0 active:shadow-none text-primary hover:underline",
+      },
+      size: {
+        default: "h-10 px-4 py-2",
+        sm: "h-9 px-3 text-xs",
+        lg: "h-11 px-8 text-base",
+        icon: "h-10 w-10",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  },
+);
+
+export interface ButtonProps
+  extends
+    React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {
+  asChild?: boolean;
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant, size, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "button";
+    return (
+      <Comp
+        className={cn(buttonVariants({ variant, size, className }))}
+        ref={ref}
+        {...props}
+      />
+    );
+  },
+);
+Button.displayName = "Button";
+
+export { Button, buttonVariants };

apps/gui/src/components/ui/card.tsx

@@ -0,0 +1,100 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+function Card({
+  className,
+  size = "default",
+  ...props
+}: React.ComponentProps<"div"> & { size?: "default" | "sm" }) {
+  return (
+    <div
+      data-slot="card"
+      data-size={size}
+      className={cn(
+        "group/card flex flex-col gap-(--card-spacing) overflow-hidden border border-border/30 bg-card py-(--card-spacing) text-sm text-card-foreground shadow-[2px_2px_0_0_var(--border)] [--card-spacing:--spacing(4)] data-[size=sm]:[--card-spacing:--spacing(3)]",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-header"
+      className={cn(
+        "group/card-header @container/card-header grid auto-rows-min items-start gap-1 px-(--card-spacing) has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] border-b border-dotted border-border/20 pb-4 mb-2",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-title"
+      className={cn("font-head text-headline-sm text-foreground", className)}
+      {...props}
+    />
+  );
+}
+
+function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-description"
+      className={cn("text-sm text-muted-foreground", className)}
+      {...props}
+    />
+  );
+}
+
+function CardAction({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-action"
+      className={cn(
+        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function CardContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-content"
+      className={cn("px-(--card-spacing)", className)}
+      {...props}
+    />
+  );
+}
+
+function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-footer"
+      className={cn(
+        "flex items-center border-t border-dotted border-border/20 bg-muted/30 px-(--card-spacing) pt-(--card-spacing)",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  Card,
+  CardHeader,
+  CardFooter,
+  CardTitle,
+  CardAction,
+  CardDescription,
+  CardContent,
+};

apps/gui/src/components/ui/checkbox.tsx

@@ -0,0 +1,32 @@
+"use client";
+
+import * as React from "react";
+import { CheckIcon } from "lucide-react";
+import { Checkbox as CheckboxPrimitive } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+
+function Checkbox({
+  className,
+  ...props
+}: React.ComponentProps<typeof CheckboxPrimitive.Root>) {
+  return (
+    <CheckboxPrimitive.Root
+      data-slot="checkbox"
+      className={cn(
+        "peer relative flex size-5 shrink-0 items-center justify-center rounded border-2 bg-input shadow-sm transition-colors outline-none group-has-disabled/field:opacity-50 after:absolute after:-inset-x-3 after:-inset-y-2 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive data-checked:border-border data-checked:bg-primary data-checked:text-primary-foreground",
+        className,
+      )}
+      {...props}
+    >
+      <CheckboxPrimitive.Indicator
+        data-slot="checkbox-indicator"
+        className="grid place-content-center text-current transition-none [&>svg]:size-3.5"
+      >
+        <CheckIcon />
+      </CheckboxPrimitive.Indicator>
+    </CheckboxPrimitive.Root>
+  );
+}
+
+export { Checkbox };

apps/gui/src/components/ui/combobox.tsx

@@ -0,0 +1,300 @@
+"use client";
+
+import * as React from "react";
+import { Combobox as ComboboxPrimitive } from "@base-ui/react";
+import { CheckIcon, ChevronDownIcon, XIcon } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+import { Button } from "@/components/ui/button";
+import {
+  InputGroup,
+  InputGroupAddon,
+  InputGroupButton,
+  InputGroupInput,
+} from "@/components/ui/input-group";
+
+const Combobox = ComboboxPrimitive.Root;
+
+function ComboboxValue({ ...props }: ComboboxPrimitive.Value.Props) {
+  return <ComboboxPrimitive.Value data-slot="combobox-value" {...props} />;
+}
+
+function ComboboxTrigger({
+  className,
+  children,
+  ...props
+}: ComboboxPrimitive.Trigger.Props) {
+  return (
+    <ComboboxPrimitive.Trigger
+      data-slot="combobox-trigger"
+      className={cn("[&_svg:not([class*='size-'])]:size-4", className)}
+      {...props}
+    >
+      {children}
+      <ChevronDownIcon className="pointer-events-none size-4 text-muted-foreground" />
+    </ComboboxPrimitive.Trigger>
+  );
+}
+
+function ComboboxClear({ className, ...props }: ComboboxPrimitive.Clear.Props) {
+  return (
+    <ComboboxPrimitive.Clear
+      data-slot="combobox-clear"
+      render={<InputGroupButton variant="ghost" size="icon-xs" />}
+      className={cn(className)}
+      {...props}
+    >
+      <XIcon className="pointer-events-none" />
+    </ComboboxPrimitive.Clear>
+  );
+}
+
+function ComboboxInput({
+  className,
+  children,
+  disabled = false,
+  showTrigger = true,
+  showClear = false,
+  ...props
+}: ComboboxPrimitive.Input.Props & {
+  showTrigger?: boolean;
+  showClear?: boolean;
+}) {
+  return (
+    <InputGroup className={cn("w-auto", className)}>
+      <ComboboxPrimitive.Input
+        render={<InputGroupInput disabled={disabled} />}
+        {...props}
+      />
+      <InputGroupAddon align="inline-end">
+        {showTrigger && (
+          <InputGroupButton
+            size="icon-xs"
+            variant="ghost"
+            render={<ComboboxTrigger />}
+            data-slot="input-group-button"
+            className="group-has-data-[slot=combobox-clear]/input-group:hidden data-pressed:bg-transparent"
+            disabled={disabled}
+          />
+        )}
+        {showClear && <ComboboxClear disabled={disabled} />}
+      </InputGroupAddon>
+      {children}
+    </InputGroup>
+  );
+}
+
+function ComboboxContent({
+  className,
+  side = "bottom",
+  sideOffset = 6,
+  align = "start",
+  alignOffset = 0,
+  anchor,
+  ...props
+}: ComboboxPrimitive.Popup.Props &
+  Pick<
+    ComboboxPrimitive.Positioner.Props,
+    "side" | "align" | "sideOffset" | "alignOffset" | "anchor"
+  >) {
+  return (
+    <ComboboxPrimitive.Portal>
+      <ComboboxPrimitive.Positioner
+        side={side}
+        sideOffset={sideOffset}
+        align={align}
+        alignOffset={alignOffset}
+        anchor={anchor}
+        className="isolate z-50"
+      >
+        <ComboboxPrimitive.Popup
+          data-slot="combobox-content"
+          data-chips={!!anchor}
+          className={cn(
+            "cn-menu-target cn-menu-translucent group/combobox-content relative max-h-(--available-height) w-(--anchor-width) max-w-(--available-width) min-w-[calc(var(--anchor-width)+var(--spacing-7,1.75rem))] origin-(--transform-origin) overflow-hidden rounded border-2 bg-popover text-popover-foreground shadow-md duration-100 data-[chips=true]:min-w-(--anchor-width) data-[side=bottom]:slide-in-from-top-2 data-[side=inline-end]:slide-in-from-left-2 data-[side=inline-start]:slide-in-from-right-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 *:data-[slot=input-group]:m-1 *:data-[slot=input-group]:mb-0 *:data-[slot=input-group]:h-8 *:data-[slot=input-group]:border-input/30 *:data-[slot=input-group]:bg-input/30 *:data-[slot=input-group]:shadow-none data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
+            className,
+          )}
+          {...props}
+        />
+      </ComboboxPrimitive.Positioner>
+    </ComboboxPrimitive.Portal>
+  );
+}
+
+function ComboboxList({ className, ...props }: ComboboxPrimitive.List.Props) {
+  return (
+    <ComboboxPrimitive.List
+      data-slot="combobox-list"
+      className={cn(
+        "no-scrollbar max-h-72 scroll-py-1 overflow-y-auto overscroll-contain p-1 data-empty:p-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ComboboxItem({
+  className,
+  children,
+  ...props
+}: ComboboxPrimitive.Item.Props) {
+  return (
+    <ComboboxPrimitive.Item
+      data-slot="combobox-item"
+      className={cn(
+        "relative flex w-full cursor-default items-center gap-2 rounded-sm py-1 pr-8 pl-1.5 text-sm outline-hidden select-none data-highlighted:bg-accent data-highlighted:text-accent-foreground not-data-[variant=destructive]:data-highlighted:**:text-accent-foreground data-disabled:pointer-events-none data-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      <ComboboxPrimitive.ItemIndicator
+        render={
+          <span className="pointer-events-none absolute right-2 flex size-4 items-center justify-center" />
+        }
+      >
+        <CheckIcon className="pointer-events-none" />
+      </ComboboxPrimitive.ItemIndicator>
+    </ComboboxPrimitive.Item>
+  );
+}
+
+function ComboboxGroup({ className, ...props }: ComboboxPrimitive.Group.Props) {
+  return (
+    <ComboboxPrimitive.Group
+      data-slot="combobox-group"
+      className={cn(className)}
+      {...props}
+    />
+  );
+}
+
+function ComboboxLabel({
+  className,
+  ...props
+}: ComboboxPrimitive.GroupLabel.Props) {
+  return (
+    <ComboboxPrimitive.GroupLabel
+      data-slot="combobox-label"
+      className={cn("px-2 py-1.5 text-xs text-muted-foreground", className)}
+      {...props}
+    />
+  );
+}
+
+function ComboboxCollection({ ...props }: ComboboxPrimitive.Collection.Props) {
+  return (
+    <ComboboxPrimitive.Collection data-slot="combobox-collection" {...props} />
+  );
+}
+
+function ComboboxEmpty({ className, ...props }: ComboboxPrimitive.Empty.Props) {
+  return (
+    <ComboboxPrimitive.Empty
+      data-slot="combobox-empty"
+      className={cn(
+        "hidden w-full justify-center py-2 text-center text-sm text-muted-foreground group-data-empty/combobox-content:flex",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ComboboxSeparator({
+  className,
+  ...props
+}: ComboboxPrimitive.Separator.Props) {
+  return (
+    <ComboboxPrimitive.Separator
+      data-slot="combobox-separator"
+      className={cn("-mx-1 my-1 h-px bg-border", className)}
+      {...props}
+    />
+  );
+}
+
+function ComboboxChips({
+  className,
+  ...props
+}: React.ComponentPropsWithRef<typeof ComboboxPrimitive.Chips> &
+  ComboboxPrimitive.Chips.Props) {
+  return (
+    <ComboboxPrimitive.Chips
+      data-slot="combobox-chips"
+      className={cn(
+        "flex min-h-8 flex-wrap items-center gap-1 rounded border-2 bg-input bg-clip-padding px-2.5 py-1 text-sm shadow-sm transition-colors focus-within:outline-2 focus-within:outline-offset-2 focus-within:outline-primary has-aria-invalid:border-destructive has-data-[slot=combobox-chip]:px-1",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ComboboxChip({
+  className,
+  children,
+  showRemove = true,
+  ...props
+}: ComboboxPrimitive.Chip.Props & {
+  showRemove?: boolean;
+}) {
+  return (
+    <ComboboxPrimitive.Chip
+      data-slot="combobox-chip"
+      className={cn(
+        "flex h-[calc(var(--spacing,0.25rem)*5.25)] w-fit items-center justify-center gap-1 rounded-sm border-2 bg-muted px-1.5 text-xs font-medium whitespace-nowrap text-foreground has-disabled:pointer-events-none has-disabled:cursor-not-allowed has-disabled:opacity-50 has-data-[slot=combobox-chip-remove]:pr-0",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      {showRemove && (
+        <ComboboxPrimitive.ChipRemove
+          render={<InputGroupButton variant="ghost" size="icon-xs" />}
+          className="-ml-1 opacity-50 hover:opacity-100"
+          data-slot="combobox-chip-remove"
+        >
+          <XIcon className="pointer-events-none" />
+        </ComboboxPrimitive.ChipRemove>
+      )}
+    </ComboboxPrimitive.Chip>
+  );
+}
+
+function ComboboxChipsInput({
+  className,
+  ...props
+}: ComboboxPrimitive.Input.Props) {
+  return (
+    <ComboboxPrimitive.Input
+      data-slot="combobox-chip-input"
+      className={cn("min-w-16 flex-1 outline-none", className)}
+      {...props}
+    />
+  );
+}
+
+function useComboboxAnchor() {
+  return React.useRef<HTMLDivElement | null>(null);
+}
+
+export {
+  Combobox,
+  ComboboxInput,
+  ComboboxContent,
+  ComboboxList,
+  ComboboxItem,
+  ComboboxGroup,
+  ComboboxLabel,
+  ComboboxCollection,
+  ComboboxEmpty,
+  ComboboxSeparator,
+  ComboboxChips,
+  ComboboxChip,
+  ComboboxChipsInput,
+  ComboboxTrigger,
+  ComboboxValue,
+  useComboboxAnchor,
+};

apps/gui/src/components/ui/dialog.tsx

@@ -0,0 +1,164 @@
+"use client";
+
+import * as React from "react";
+import { XIcon } from "lucide-react";
+import { Dialog as DialogPrimitive } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+import { Button } from "@/components/ui/button";
+
+function Dialog({
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Root>) {
+  return <DialogPrimitive.Root data-slot="dialog" {...props} />;
+}
+
+function DialogTrigger({
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Trigger>) {
+  return <DialogPrimitive.Trigger data-slot="dialog-trigger" {...props} />;
+}
+
+function DialogPortal({
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Portal>) {
+  return <DialogPrimitive.Portal data-slot="dialog-portal" {...props} />;
+}
+
+function DialogClose({
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Close>) {
+  return <DialogPrimitive.Close data-slot="dialog-close" {...props} />;
+}
+
+function DialogOverlay({
+  className,
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Overlay>) {
+  return (
+    <DialogPrimitive.Overlay
+      data-slot="dialog-overlay"
+      className={cn(
+        "fixed inset-0 isolate z-50 bg-foreground/20 duration-100 supports-backdrop-filter:backdrop-blur-xs data-open:animate-in data-open:fade-in-0 data-closed:animate-out data-closed:fade-out-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function DialogContent({
+  className,
+  children,
+  showCloseButton = true,
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Content> & {
+  showCloseButton?: boolean;
+}) {
+  return (
+    <DialogPortal>
+      <DialogOverlay />
+      <DialogPrimitive.Content
+        data-slot="dialog-content"
+        className={cn(
+          "fixed top-1/2 left-1/2 z-50 grid w-full max-w-[calc(100%-2rem)] -translate-x-1/2 -translate-y-1/2 gap-4 rounded border-2 bg-popover p-4 text-sm text-popover-foreground shadow-md duration-100 outline-none sm:max-w-sm data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
+          className,
+        )}
+        {...props}
+      >
+        {children}
+        {showCloseButton && (
+          <DialogPrimitive.Close data-slot="dialog-close" asChild>
+            <Button
+              variant="outline"
+              className="absolute top-2 right-2"
+              size="icon"
+            >
+              <XIcon />
+              <span className="sr-only">Close</span>
+            </Button>
+          </DialogPrimitive.Close>
+        )}
+      </DialogPrimitive.Content>
+    </DialogPortal>
+  );
+}
+
+function DialogHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="dialog-header"
+      className={cn("flex flex-col gap-2", className)}
+      {...props}
+    />
+  );
+}
+
+function DialogFooter({
+  className,
+  showCloseButton = false,
+  children,
+  ...props
+}: React.ComponentProps<"div"> & {
+  showCloseButton?: boolean;
+}) {
+  return (
+    <div
+      data-slot="dialog-footer"
+      className={cn(
+        "-mx-4 -mb-4 flex flex-col-reverse gap-2 rounded-b-xl border-t-2 bg-muted/50 p-4 sm:flex-row sm:justify-end",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      {showCloseButton && (
+        <DialogPrimitive.Close asChild>
+          <Button variant="outline">Close</Button>
+        </DialogPrimitive.Close>
+      )}
+    </div>
+  );
+}
+
+function DialogTitle({
+  className,
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Title>) {
+  return (
+    <DialogPrimitive.Title
+      data-slot="dialog-title"
+      className={cn("font-head text-base leading-none font-medium", className)}
+      {...props}
+    />
+  );
+}
+
+function DialogDescription({
+  className,
+  ...props
+}: React.ComponentProps<typeof DialogPrimitive.Description>) {
+  return (
+    <DialogPrimitive.Description
+      data-slot="dialog-description"
+      className={cn(
+        "text-sm text-muted-foreground *:[a]:underline *:[a]:underline-offset-3 *:[a]:hover:text-foreground",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  Dialog,
+  DialogClose,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogOverlay,
+  DialogPortal,
+  DialogTitle,
+  DialogTrigger,
+};

apps/gui/src/components/ui/empty.tsx

@@ -0,0 +1,101 @@
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+
+function Empty({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty"
+      className={cn(
+        "flex w-full min-w-0 flex-1 flex-col items-center justify-center gap-4 rounded border-2 bg-card p-6 text-center text-balance",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function EmptyHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty-header"
+      className={cn("flex max-w-sm flex-col items-center gap-2", className)}
+      {...props}
+    />
+  );
+}
+
+const emptyMediaVariants = cva(
+  "mb-2 flex shrink-0 items-center justify-center [&_svg]:pointer-events-none [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "bg-transparent",
+        icon: "flex size-8 shrink-0 items-center justify-center rounded-lg bg-muted text-foreground [&_svg:not([class*='size-'])]:size-4",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+function EmptyMedia({
+  className,
+  variant = "default",
+  ...props
+}: React.ComponentProps<"div"> & VariantProps<typeof emptyMediaVariants>) {
+  return (
+    <div
+      data-slot="empty-icon"
+      data-variant={variant}
+      className={cn(emptyMediaVariants({ variant, className }))}
+      {...props}
+    />
+  );
+}
+
+function EmptyTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty-title"
+      className={cn("text-sm font-medium tracking-tight", className)}
+      {...props}
+    />
+  );
+}
+
+function EmptyDescription({ className, ...props }: React.ComponentProps<"p">) {
+  return (
+    <div
+      data-slot="empty-description"
+      className={cn(
+        "text-sm/relaxed text-muted-foreground [&>a]:underline [&>a]:underline-offset-4 [&>a:hover]:text-primary",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function EmptyContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty-content"
+      className={cn(
+        "flex w-full max-w-sm min-w-0 flex-col items-center gap-2.5 text-sm text-balance",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  Empty,
+  EmptyHeader,
+  EmptyTitle,
+  EmptyDescription,
+  EmptyContent,
+  EmptyMedia,
+};

apps/gui/src/components/ui/input-group.tsx

@@ -0,0 +1,172 @@
+"use client";
+
+import * as React from "react";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+
+function InputGroup({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="input-group"
+      role="group"
+      className={cn(
+        "group/input-group relative flex h-8 w-full min-w-0 items-center rounded border-2 bg-input shadow-sm transition-colors outline-none in-data-[slot=combobox-content]:focus-within:border-inherit in-data-[slot=combobox-content]:focus-within:ring-0 has-disabled:bg-input/50 has-disabled:opacity-50 has-[[data-slot=input-group-control]:focus-visible]:outline-2 has-[[data-slot=input-group-control]:focus-visible]:outline-offset-2 has-[[data-slot=input-group-control]:focus-visible]:outline-primary has-[[data-slot][aria-invalid=true]]:border-destructive has-[>[data-align=block-end]]:h-auto has-[>[data-align=block-end]]:flex-col has-[>[data-align=block-start]]:h-auto has-[>[data-align=block-start]]:flex-col has-[>textarea]:h-auto has-[>[data-align=block-end]]:[&>input]:pt-3 has-[>[data-align=block-start]]:[&>input]:pb-3 has-[>[data-align=inline-end]]:[&>input]:pr-1.5 has-[>[data-align=inline-start]]:[&>input]:pl-1.5",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+const inputGroupAddonVariants = cva(
+  "flex h-auto cursor-text items-center justify-center gap-2 py-1.5 text-sm font-medium text-muted-foreground select-none group-data-[disabled=true]/input-group:opacity-50 [&>kbd]:rounded-[calc(var(--radius)-5px)] [&>svg:not([class*='size-'])]:size-4",
+  {
+    variants: {
+      align: {
+        "inline-start":
+          "order-first pl-2 has-[>button]:ml-[-0.3rem] has-[>kbd]:ml-[-0.15rem]",
+        "inline-end":
+          "order-last pr-2 has-[>button]:mr-[-0.3rem] has-[>kbd]:mr-[-0.15rem]",
+        "block-start":
+          "order-first w-full justify-start px-2.5 pt-2 group-has-[>input]/input-group:pt-2 [.border-b]:pb-2",
+        "block-end":
+          "order-last w-full justify-start px-2.5 pb-2 group-has-[>input]/input-group:pb-2 [.border-t]:pt-2",
+      },
+    },
+    defaultVariants: {
+      align: "inline-start",
+    },
+  },
+);
+
+function InputGroupAddon({
+  className,
+  align = "inline-start",
+  ...props
+}: React.ComponentProps<"div"> & VariantProps<typeof inputGroupAddonVariants>) {
+  return (
+    <div
+      role="group"
+      data-slot="input-group-addon"
+      data-align={align}
+      className={cn(inputGroupAddonVariants({ align }), className)}
+      onClick={(e) => {
+        if ((e.target as HTMLElement).closest("button")) {
+          return;
+        }
+        e.currentTarget.parentElement?.querySelector("input")?.focus();
+      }}
+      {...props}
+    />
+  );
+}
+
+const inputGroupButtonVariants = cva(
+  "flex items-center gap-2 text-sm shadow-none",
+  {
+    variants: {
+      size: {
+        xs: "h-6 gap-1 rounded-[calc(var(--radius)-3px)] px-1.5 [&>svg:not([class*='size-'])]:size-3.5",
+        sm: "",
+        "icon-xs":
+          "size-6 rounded-[calc(var(--radius)-3px)] p-0 has-[>svg]:p-0",
+        "icon-sm": "size-8 p-0 has-[>svg]:p-0",
+      },
+    },
+    defaultVariants: {
+      size: "xs",
+    },
+  },
+);
+
+function InputGroupButton({
+  className,
+  type = "button",
+  variant = "ghost",
+  size = "xs",
+  render,
+  ...props
+}: Omit<React.ComponentProps<typeof Button>, "size" | "type"> &
+  VariantProps<typeof inputGroupButtonVariants> & {
+    type?: "button" | "submit" | "reset";
+    render?: React.ReactElement;
+  }) {
+  if (render) {
+    return React.cloneElement(render, {
+      className: cn(
+        inputGroupButtonVariants({ size }),
+        (render.props as any)?.className,
+        className,
+      ),
+      type,
+      ...props,
+    } as any);
+  }
+
+  return (
+    <Button
+      type={type}
+      data-size={size}
+      variant={variant}
+      className={cn(inputGroupButtonVariants({ size }), className)}
+      {...props}
+    />
+  );
+}
+
+function InputGroupText({ className, ...props }: React.ComponentProps<"span">) {
+  return (
+    <span
+      className={cn(
+        "flex items-center gap-2 text-sm text-muted-foreground [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function InputGroupInput({
+  className,
+  ...props
+}: React.ComponentProps<"input">) {
+  return (
+    <Input
+      data-slot="input-group-control"
+      className={cn(
+        "flex-1 rounded-none border-0 bg-transparent shadow-none outline-none focus-visible:outline-none disabled:bg-transparent aria-invalid:outline-none dark:bg-transparent dark:disabled:bg-transparent",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function InputGroupTextarea({
+  className,
+  ...props
+}: React.ComponentProps<"textarea">) {
+  return (
+    <Textarea
+      data-slot="input-group-control"
+      className={cn(
+        "flex-1 resize-none rounded-none border-0 bg-transparent py-2 shadow-none outline-none focus-visible:outline-none disabled:bg-transparent aria-invalid:outline-none dark:bg-transparent dark:disabled:bg-transparent",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  InputGroup,
+  InputGroupAddon,
+  InputGroupButton,
+  InputGroupText,
+  InputGroupInput,
+  InputGroupTextarea,
+};

apps/gui/src/components/ui/input.tsx

@@ -0,0 +1,19 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+function Input({ className, type, ...props }: React.ComponentProps<"input">) {
+  return (
+    <input
+      type={type}
+      data-slot="input"
+      className={cn(
+        "h-8 w-full min-w-0 rounded border-2 bg-input px-3 py-2 text-sm shadow-sm transition-colors outline-none file:inline-flex file:h-6 file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export { Input };

apps/gui/src/components/ui/item.tsx

@@ -0,0 +1,201 @@
+import * as React from "react";
+import { mergeProps } from "@base-ui/react/merge-props";
+import { useRender } from "@base-ui/react/use-render";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+import { Separator } from "@/components/ui/separator";
+
+function ItemGroup({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      role="list"
+      data-slot="item-group"
+      className={cn(
+        "group/item-group flex w-full flex-col gap-4 has-data-[size=sm]:gap-2.5 has-data-[size=xs]:gap-2",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ItemSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof Separator>) {
+  return (
+    <Separator
+      data-slot="item-separator"
+      orientation="horizontal"
+      className={cn("my-2", className)}
+      {...props}
+    />
+  );
+}
+
+const itemVariants = cva(
+  "group/item flex w-full flex-wrap items-center rounded border-2 text-sm transition-colors duration-100 outline-none focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary [a]:transition-colors [a]:hover:bg-accent",
+  {
+    variants: {
+      variant: {
+        default: "border-transparent",
+        outline: "border-border",
+        muted: "border-transparent bg-muted/50",
+      },
+      size: {
+        default: "gap-2.5 px-3 py-2.5",
+        sm: "gap-2.5 px-3 py-2.5",
+        xs: "gap-2 px-2.5 py-2 in-data-[slot=dropdown-menu-content]:p-0",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  },
+);
+
+function Item({
+  className,
+  variant = "default",
+  size = "default",
+  render,
+  ...props
+}: useRender.ComponentProps<"div"> & VariantProps<typeof itemVariants>) {
+  return useRender({
+    defaultTagName: "div",
+    props: mergeProps<"div">(
+      {
+        className: cn(itemVariants({ variant, size, className })),
+      },
+      props,
+    ),
+    render,
+    state: {
+      slot: "item",
+      variant,
+      size,
+    },
+  });
+}
+
+const itemMediaVariants = cva(
+  "flex shrink-0 items-center justify-center gap-2 group-has-data-[slot=item-description]/item:translate-y-0.5 group-has-data-[slot=item-description]/item:self-start [&_svg]:pointer-events-none",
+  {
+    variants: {
+      variant: {
+        default: "bg-transparent",
+        icon: "[&_svg:not([class*='size-'])]:size-4",
+        image:
+          "size-10 overflow-hidden rounded-sm group-data-[size=sm]/item:size-8 group-data-[size=xs]/item:size-6 [&_img]:size-full [&_img]:object-cover",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+function ItemMedia({
+  className,
+  variant = "default",
+  ...props
+}: React.ComponentProps<"div"> & VariantProps<typeof itemMediaVariants>) {
+  return (
+    <div
+      data-slot="item-media"
+      data-variant={variant}
+      className={cn(itemMediaVariants({ variant, className }))}
+      {...props}
+    />
+  );
+}
+
+function ItemContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="item-content"
+      className={cn(
+        "flex flex-1 flex-col gap-1 group-data-[size=xs]/item:gap-0 [&+[data-slot=item-content]]:flex-none",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ItemTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="item-title"
+      className={cn(
+        "line-clamp-1 flex w-fit items-center gap-2 text-sm leading-snug font-medium underline-offset-4",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ItemDescription({ className, ...props }: React.ComponentProps<"p">) {
+  return (
+    <p
+      data-slot="item-description"
+      className={cn(
+        "line-clamp-2 text-left text-sm leading-normal font-normal text-muted-foreground group-data-[size=xs]/item:text-xs [&>a]:underline [&>a]:underline-offset-4 [&>a:hover]:text-primary",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ItemActions({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="item-actions"
+      className={cn("flex items-center gap-2", className)}
+      {...props}
+    />
+  );
+}
+
+function ItemHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="item-header"
+      className={cn(
+        "flex basis-full items-center justify-between gap-2",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ItemFooter({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="item-footer"
+      className={cn(
+        "flex basis-full items-center justify-between gap-2",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  Item,
+  ItemMedia,
+  ItemContent,
+  ItemActions,
+  ItemGroup,
+  ItemSeparator,
+  ItemTitle,
+  ItemDescription,
+  ItemHeader,
+  ItemFooter,
+};

apps/gui/src/components/ui/label.tsx

@@ -0,0 +1,24 @@
+"use client";
+
+import * as React from "react";
+import { Label as LabelPrimitive } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+
+function Label({
+  className,
+  ...props
+}: React.ComponentProps<typeof LabelPrimitive.Root>) {
+  return (
+    <LabelPrimitive.Root
+      data-slot="label"
+      className={cn(
+        "flex items-center gap-2 text-sm leading-none font-head font-medium select-none group-data-[disabled=true]:pointer-events-none group-data-[disabled=true]:opacity-50 peer-disabled:cursor-not-allowed peer-disabled:opacity-50",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export { Label };

apps/gui/src/components/ui/navigation-menu.tsx

@@ -0,0 +1,167 @@
+import * as React from "react";
+import { cva } from "class-variance-authority";
+import { ChevronDownIcon } from "lucide-react";
+import { NavigationMenu as NavigationMenuPrimitive } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+
+function NavigationMenu({
+  className,
+  children,
+  viewport = true,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.Root> & {
+  viewport?: boolean;
+}) {
+  return (
+    <NavigationMenuPrimitive.Root
+      data-slot="navigation-menu"
+      data-viewport={viewport}
+      className={cn(
+        "group/navigation-menu relative flex max-w-max flex-1 items-center justify-center",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      {viewport && <NavigationMenuViewport />}
+    </NavigationMenuPrimitive.Root>
+  );
+}
+
+function NavigationMenuList({
+  className,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.List>) {
+  return (
+    <NavigationMenuPrimitive.List
+      data-slot="navigation-menu-list"
+      className={cn(
+        "group flex flex-1 list-none items-center justify-center gap-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function NavigationMenuItem({
+  className,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.Item>) {
+  return (
+    <NavigationMenuPrimitive.Item
+      data-slot="navigation-menu-item"
+      className={cn("relative", className)}
+      {...props}
+    />
+  );
+}
+
+const navigationMenuTriggerStyle = cva(
+  "group/navigation-menu-trigger inline-flex h-9 w-max items-center justify-center px-2.5 py-1.5 text-sm font-medium transition-all outline-none hover:bg-secondary hover:text-foreground focus:bg-secondary focus:text-foreground focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary disabled:pointer-events-none disabled:opacity-50 data-popup-open:bg-secondary data-popup-open:text-foreground data-open:bg-secondary data-open:text-foreground",
+);
+
+function NavigationMenuTrigger({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.Trigger>) {
+  return (
+    <NavigationMenuPrimitive.Trigger
+      data-slot="navigation-menu-trigger"
+      className={cn(navigationMenuTriggerStyle(), "group", className)}
+      {...props}
+    >
+      {children}{" "}
+      <ChevronDownIcon
+        className="relative top-px ml-1 size-3 transition duration-300 group-data-popup-open/navigation-menu-trigger:rotate-180 group-data-open/navigation-menu-trigger:rotate-180"
+        aria-hidden="true"
+      />
+    </NavigationMenuPrimitive.Trigger>
+  );
+}
+
+function NavigationMenuContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.Content>) {
+  return (
+    <NavigationMenuPrimitive.Content
+      data-slot="navigation-menu-content"
+      className={cn(
+        "top-0 left-0 w-full p-1 ease-[cubic-bezier(0.22,1,0.36,1)] group-data-[viewport=false]/navigation-menu:top-full group-data-[viewport=false]/navigation-menu:mt-1.5 group-data-[viewport=false]/navigation-menu:overflow-hidden group-data-[viewport=false]/navigation-menu:border group-data-[viewport=false]/navigation-menu:border-border/30 group-data-[viewport=false]/navigation-menu:bg-popover group-data-[viewport=false]/navigation-menu:text-popover-foreground group-data-[viewport=false]/navigation-menu:shadow-md group-data-[viewport=false]/navigation-menu:duration-300 data-[motion=from-end]:slide-in-from-right-52 data-[motion=from-start]:slide-in-from-left-52 data-[motion=to-end]:slide-out-to-right-52 data-[motion=to-start]:slide-out-to-left-52 data-[motion^=from-]:animate-in data-[motion^=from-]:fade-in data-[motion^=to-]:animate-out data-[motion^=to-]:fade-out **:data-[slot=navigation-menu-link]:focus:ring-0 **:data-[slot=navigation-menu-link]:focus:outline-none md:absolute md:w-auto group-data-[viewport=false]/navigation-menu:data-open:animate-in group-data-[viewport=false]/navigation-menu:data-open:fade-in-0 group-data-[viewport=false]/navigation-menu:data-open:zoom-in-95 group-data-[viewport=false]/navigation-menu:data-closed:animate-out group-data-[viewport=false]/navigation-menu:data-closed:fade-out-0 group-data-[viewport=false]/navigation-menu:data-closed:zoom-out-95",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function NavigationMenuViewport({
+  className,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.Viewport>) {
+  return (
+    <div
+      className={cn(
+        "absolute top-full left-0 isolate z-50 flex justify-center",
+      )}
+    >
+      <NavigationMenuPrimitive.Viewport
+        data-slot="navigation-menu-viewport"
+        className={cn(
+          "origin-top-center relative mt-1.5 h-(--radix-navigation-menu-viewport-height) w-full overflow-hidden border border-border/30 bg-popover text-popover-foreground shadow-md duration-100 md:w-(--radix-navigation-menu-viewport-width) data-open:animate-in data-open:zoom-in-90 data-closed:animate-out data-closed:zoom-out-90",
+          className,
+        )}
+        {...props}
+      />
+    </div>
+  );
+}
+
+function NavigationMenuLink({
+  className,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.Link>) {
+  return (
+    <NavigationMenuPrimitive.Link
+      data-slot="navigation-menu-link"
+      className={cn(
+        "flex items-center gap-2 p-2 text-sm transition-all outline-none hover:bg-secondary hover:text-foreground focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary in-data-[slot=navigation-menu-content]:rounded-sm data-active:bg-primary/15 data-active:text-primary [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function NavigationMenuIndicator({
+  className,
+  ...props
+}: React.ComponentProps<typeof NavigationMenuPrimitive.Indicator>) {
+  return (
+    <NavigationMenuPrimitive.Indicator
+      data-slot="navigation-menu-indicator"
+      className={cn(
+        "top-full z-1 flex h-1.5 items-end justify-center overflow-hidden data-[state=hidden]:animate-out data-[state=hidden]:fade-out data-[state=visible]:animate-in data-[state=visible]:fade-in",
+        className,
+      )}
+      {...props}
+    >
+      <div className="relative top-[60%] h-2 w-2 rotate-45 rounded-tl-sm bg-border shadow-md" />
+    </NavigationMenuPrimitive.Indicator>
+  );
+}
+
+export {
+  NavigationMenu,
+  NavigationMenuList,
+  NavigationMenuItem,
+  NavigationMenuContent,
+  NavigationMenuTrigger,
+  NavigationMenuLink,
+  NavigationMenuIndicator,
+  NavigationMenuViewport,
+  navigationMenuTriggerStyle,
+};

apps/gui/src/components/ui/select.tsx

@@ -0,0 +1,202 @@
+"use client";
+
+import * as React from "react";
+import { Select as SelectPrimitive } from "@base-ui/react/select";
+import { CheckIcon, ChevronDownIcon, ChevronUpIcon } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const Select = SelectPrimitive.Root;
+
+function SelectGroup({ className, ...props }: SelectPrimitive.Group.Props) {
+  return (
+    <SelectPrimitive.Group
+      data-slot="select-group"
+      className={cn("scroll-my-1 p-1", className)}
+      {...props}
+    />
+  );
+}
+
+function SelectValue({ className, ...props }: SelectPrimitive.Value.Props) {
+  return (
+    <SelectPrimitive.Value
+      data-slot="select-value"
+      className={cn("flex flex-1 text-left", className)}
+      {...props}
+    />
+  );
+}
+
+function SelectTrigger({
+  className,
+  size = "default",
+  children,
+  ...props
+}: SelectPrimitive.Trigger.Props & {
+  size?: "sm" | "default";
+}) {
+  return (
+    <SelectPrimitive.Trigger
+      data-slot="select-trigger"
+      data-size={size}
+      className={cn(
+        "flex w-fit items-center justify-between gap-1.5 rounded border border-border/30 bg-input py-2 pr-2 pl-2.5 text-sm whitespace-nowrap shadow-sm transition-colors outline-none select-none focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive data-placeholder:text-muted-foreground data-[size=default]:h-8 data-[size=sm]:h-7 data-[size=sm]:rounded *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-1.5 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      <SelectPrimitive.Icon
+        render={
+          <ChevronDownIcon className="pointer-events-none size-4 text-muted-foreground" />
+        }
+      />
+    </SelectPrimitive.Trigger>
+  );
+}
+
+function SelectContent({
+  className,
+  children,
+  side = "bottom",
+  sideOffset = 4,
+  align = "center",
+  alignOffset = 0,
+  alignItemWithTrigger = true,
+  ...props
+}: SelectPrimitive.Popup.Props &
+  Pick<
+    SelectPrimitive.Positioner.Props,
+    "align" | "alignOffset" | "side" | "sideOffset" | "alignItemWithTrigger"
+  >) {
+  return (
+    <SelectPrimitive.Portal>
+      <SelectPrimitive.Positioner
+        side={side}
+        sideOffset={sideOffset}
+        align={align}
+        alignOffset={alignOffset}
+        alignItemWithTrigger={alignItemWithTrigger}
+        className="isolate z-50"
+      >
+        <SelectPrimitive.Popup
+          data-slot="select-content"
+          data-align-trigger={alignItemWithTrigger}
+          className={cn(
+            "relative isolate z-50 max-h-(--available-height) w-(--anchor-width) min-w-36 origin-(--transform-origin) overflow-x-hidden overflow-y-auto rounded border border-border/30 bg-popover text-popover-foreground shadow-md duration-100 data-[align-trigger=true]:animate-none data-[side=bottom]:slide-in-from-top-2 data-[side=inline-end]:slide-in-from-left-2 data-[side=inline-start]:slide-in-from-right-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
+            className,
+          )}
+          {...props}
+        >
+          <SelectScrollUpButton />
+          <SelectPrimitive.List>{children}</SelectPrimitive.List>
+          <SelectScrollDownButton />
+        </SelectPrimitive.Popup>
+      </SelectPrimitive.Positioner>
+    </SelectPrimitive.Portal>
+  );
+}
+
+function SelectLabel({
+  className,
+  ...props
+}: SelectPrimitive.GroupLabel.Props) {
+  return (
+    <SelectPrimitive.GroupLabel
+      data-slot="select-label"
+      className={cn("px-1.5 py-1 text-xs text-muted-foreground", className)}
+      {...props}
+    />
+  );
+}
+
+function SelectItem({
+  className,
+  children,
+  ...props
+}: SelectPrimitive.Item.Props) {
+  return (
+    <SelectPrimitive.Item
+      data-slot="select-item"
+      className={cn(
+        "relative flex w-full cursor-default items-center gap-1.5 rounded-sm py-1 pr-8 pl-1.5 text-sm outline-hidden select-none focus:bg-accent focus:text-accent-foreground not-data-[variant=destructive]:focus:**:text-accent-foreground data-disabled:pointer-events-none data-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
+        className,
+      )}
+      {...props}
+    >
+      <SelectPrimitive.ItemText className="flex flex-1 shrink-0 gap-2 whitespace-nowrap">
+        {children}
+      </SelectPrimitive.ItemText>
+      <SelectPrimitive.ItemIndicator
+        render={
+          <span className="pointer-events-none absolute right-2 flex size-4 items-center justify-center" />
+        }
+      >
+        <CheckIcon className="pointer-events-none" />
+      </SelectPrimitive.ItemIndicator>
+    </SelectPrimitive.Item>
+  );
+}
+
+function SelectSeparator({
+  className,
+  ...props
+}: SelectPrimitive.Separator.Props) {
+  return (
+    <SelectPrimitive.Separator
+      data-slot="select-separator"
+      className={cn("pointer-events-none -mx-1 my-1 h-px bg-border", className)}
+      {...props}
+    />
+  );
+}
+
+function SelectScrollUpButton({
+  className,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.ScrollUpArrow>) {
+  return (
+    <SelectPrimitive.ScrollUpArrow
+      data-slot="select-scroll-up-button"
+      className={cn(
+        "top-0 z-10 flex w-full cursor-default items-center justify-center bg-popover py-1 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    >
+      <ChevronUpIcon />
+    </SelectPrimitive.ScrollUpArrow>
+  );
+}
+
+function SelectScrollDownButton({
+  className,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.ScrollDownArrow>) {
+  return (
+    <SelectPrimitive.ScrollDownArrow
+      data-slot="select-scroll-down-button"
+      className={cn(
+        "bottom-0 z-10 flex w-full cursor-default items-center justify-center bg-popover py-1 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    >
+      <ChevronDownIcon />
+    </SelectPrimitive.ScrollDownArrow>
+  );
+}
+
+export {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectLabel,
+  SelectScrollDownButton,
+  SelectScrollUpButton,
+  SelectSeparator,
+  SelectTrigger,
+  SelectValue,
+};

apps/gui/src/components/ui/separator.tsx

@@ -0,0 +1,31 @@
+"use client";
+
+import * as React from "react";
+import * as SeparatorPrimitive from "@radix-ui/react-separator";
+
+import { cn } from "@/lib/utils";
+
+const Separator = React.forwardRef<
+  React.ElementRef<typeof SeparatorPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
+>(
+  (
+    { className, orientation = "horizontal", decorative = true, ...props },
+    ref,
+  ) => (
+    <SeparatorPrimitive.Root
+      ref={ref}
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "shrink-0 bg-border",
+        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        className,
+      )}
+      {...props}
+    />
+  ),
+);
+Separator.displayName = SeparatorPrimitive.Root.displayName;
+
+export { Separator };

apps/gui/src/components/ui/sheet.tsx

@@ -0,0 +1,141 @@
+"use client";
+
+import * as React from "react";
+import * as SheetPrimitive from "@radix-ui/react-dialog";
+import { cva, type VariantProps } from "class-variance-authority";
+import { X } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const Sheet = SheetPrimitive.Root;
+
+const SheetTrigger = SheetPrimitive.Trigger;
+
+const SheetClose = SheetPrimitive.Close;
+
+const SheetPortal = SheetPrimitive.Portal;
+
+const SheetOverlay = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className,
+    )}
+    {...props}
+    ref={ref}
+  />
+));
+SheetOverlay.displayName = SheetPrimitive.Overlay.displayName;
+
+const sheetVariants = cva(
+  "fixed z-50 gap-4 bg-background p-6 shadow-lg transition ease-in-out data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:duration-300 data-[state=open]:duration-500",
+  {
+    variants: {
+      side: {
+        top: "inset-x-0 top-0 border-b data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top",
+        bottom:
+          "inset-x-0 bottom-0 border-t data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom",
+        left: "inset-y-0 left-0 h-full w-3/4 border-r data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left sm:max-w-sm",
+        right:
+          "inset-y-0 right-0 h-full w-3/4  border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right sm:max-w-sm",
+      },
+    },
+    defaultVariants: {
+      side: "right",
+    },
+  },
+);
+
+interface SheetContentProps
+  extends
+    React.ComponentPropsWithoutRef<typeof SheetPrimitive.Content>,
+    VariantProps<typeof sheetVariants> {}
+
+const SheetContent = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Content>,
+  SheetContentProps
+>(({ side = "right", className, children, ...props }, ref) => (
+  <SheetPortal>
+    <SheetOverlay />
+    <SheetPrimitive.Content
+      ref={ref}
+      className={cn(sheetVariants({ side }), className)}
+      {...props}
+    >
+      {children}
+      <SheetPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-secondary">
+        <X className="h-4 w-4" />
+        <span className="sr-only">Close</span>
+      </SheetPrimitive.Close>
+    </SheetPrimitive.Content>
+  </SheetPortal>
+));
+SheetContent.displayName = SheetPrimitive.Content.displayName;
+
+const SheetHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-2 text-center sm:text-left",
+      className,
+    )}
+    {...props}
+  />
+);
+SheetHeader.displayName = "SheetHeader";
+
+const SheetFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className,
+    )}
+    {...props}
+  />
+);
+SheetFooter.displayName = "SheetFooter";
+
+const SheetTitle = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold text-foreground", className)}
+    {...props}
+  />
+));
+SheetTitle.displayName = SheetPrimitive.Title.displayName;
+
+const SheetDescription = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+));
+SheetDescription.displayName = SheetPrimitive.Description.displayName;
+
+export {
+  Sheet,
+  SheetPortal,
+  SheetOverlay,
+  SheetTrigger,
+  SheetClose,
+  SheetContent,
+  SheetHeader,
+  SheetFooter,
+  SheetTitle,
+  SheetDescription,
+};

apps/gui/src/components/ui/sidebar.tsx

@@ -0,0 +1,702 @@
+"use client";
+
+import * as React from "react";
+import { cva, type VariantProps } from "class-variance-authority";
+import { PanelLeftIcon } from "lucide-react";
+import { Slot } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+import { useIsMobile } from "@/hooks/use-mobile";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Separator } from "@/components/ui/separator";
+import {
+  Sheet,
+  SheetContent,
+  SheetDescription,
+  SheetHeader,
+  SheetTitle,
+} from "@/components/ui/sheet";
+import { Skeleton } from "@/components/ui/skeleton";
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from "@/components/ui/tooltip";
+
+const SIDEBAR_COOKIE_NAME = "sidebar_state";
+const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7;
+const SIDEBAR_WIDTH = "16rem";
+const SIDEBAR_WIDTH_MOBILE = "18rem";
+const SIDEBAR_WIDTH_ICON = "3rem";
+const SIDEBAR_KEYBOARD_SHORTCUT = "b";
+
+type SidebarContextProps = {
+  state: "expanded" | "collapsed";
+  open: boolean;
+  setOpen: (open: boolean) => void;
+  openMobile: boolean;
+  setOpenMobile: (open: boolean) => void;
+  isMobile: boolean;
+  toggleSidebar: () => void;
+};
+
+const SidebarContext = React.createContext<SidebarContextProps | null>(null);
+
+function useSidebar() {
+  const context = React.useContext(SidebarContext);
+  if (!context) {
+    throw new Error("useSidebar must be used within a SidebarProvider.");
+  }
+
+  return context;
+}
+
+function SidebarProvider({
+  defaultOpen = true,
+  open: openProp,
+  onOpenChange: setOpenProp,
+  className,
+  style,
+  children,
+  ...props
+}: React.ComponentProps<"div"> & {
+  defaultOpen?: boolean;
+  open?: boolean;
+  onOpenChange?: (open: boolean) => void;
+}) {
+  const isMobile = useIsMobile();
+  const [openMobile, setOpenMobile] = React.useState(false);
+
+  // This is the internal state of the sidebar.
+  // We use openProp and setOpenProp for control from outside the component.
+  const [_open, _setOpen] = React.useState(defaultOpen);
+  const open = openProp ?? _open;
+  const setOpen = React.useCallback(
+    (value: boolean | ((value: boolean) => boolean)) => {
+      const openState = typeof value === "function" ? value(open) : value;
+      if (setOpenProp) {
+        setOpenProp(openState);
+      } else {
+        _setOpen(openState);
+      }
+
+      // This sets the cookie to keep the sidebar state.
+      document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`;
+    },
+    [setOpenProp, open],
+  );
+
+  // Helper to toggle the sidebar.
+  const toggleSidebar = React.useCallback(() => {
+    return isMobile ? setOpenMobile((open) => !open) : setOpen((open) => !open);
+  }, [isMobile, setOpen, setOpenMobile]);
+
+  // Adds a keyboard shortcut to toggle the sidebar.
+  React.useEffect(() => {
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (
+        event.key === SIDEBAR_KEYBOARD_SHORTCUT &&
+        (event.metaKey || event.ctrlKey)
+      ) {
+        event.preventDefault();
+        toggleSidebar();
+      }
+    };
+
+    window.addEventListener("keydown", handleKeyDown);
+    return () => window.removeEventListener("keydown", handleKeyDown);
+  }, [toggleSidebar]);
+
+  // We add a state so that we can do data-state="expanded" or "collapsed".
+  // This makes it easier to style the sidebar with Tailwind classes.
+  const state = open ? "expanded" : "collapsed";
+
+  const contextValue = React.useMemo<SidebarContextProps>(
+    () => ({
+      state,
+      open,
+      setOpen,
+      isMobile,
+      openMobile,
+      setOpenMobile,
+      toggleSidebar,
+    }),
+    [state, open, setOpen, isMobile, openMobile, setOpenMobile, toggleSidebar],
+  );
+
+  return (
+    <SidebarContext.Provider value={contextValue}>
+      <div
+        data-slot="sidebar-wrapper"
+        style={
+          {
+            "--sidebar-width": SIDEBAR_WIDTH,
+            "--sidebar-width-icon": SIDEBAR_WIDTH_ICON,
+            ...style,
+          } as React.CSSProperties
+        }
+        className={cn(
+          "group/sidebar-wrapper flex min-h-svh w-full has-data-[variant=inset]:bg-sidebar",
+          className,
+        )}
+        {...props}
+      >
+        {children}
+      </div>
+    </SidebarContext.Provider>
+  );
+}
+
+function Sidebar({
+  side = "left",
+  variant = "sidebar",
+  collapsible = "offcanvas",
+  className,
+  children,
+  dir,
+  ...props
+}: React.ComponentProps<"div"> & {
+  side?: "left" | "right";
+  variant?: "sidebar" | "floating" | "inset";
+  collapsible?: "offcanvas" | "icon" | "none";
+}) {
+  const { isMobile, state, openMobile, setOpenMobile } = useSidebar();
+
+  if (collapsible === "none") {
+    return (
+      <div
+        data-slot="sidebar"
+        className={cn(
+          "flex h-full w-(--sidebar-width) flex-col bg-card text-sidebar-foreground",
+          className,
+        )}
+        {...props}
+      >
+        {children}
+      </div>
+    );
+  }
+
+  if (isMobile) {
+    return (
+      <Sheet open={openMobile} onOpenChange={setOpenMobile} {...props}>
+        <SheetContent
+          dir={dir}
+          data-sidebar="sidebar"
+          data-slot="sidebar"
+          data-mobile="true"
+          className="w-(--sidebar-width) bg-card p-0 text-sidebar-foreground [&>button]:hidden"
+          style={
+            {
+              "--sidebar-width": SIDEBAR_WIDTH_MOBILE,
+            } as React.CSSProperties
+          }
+          side={side}
+        >
+          <SheetHeader className="sr-only">
+            <SheetTitle>Sidebar</SheetTitle>
+            <SheetDescription>Displays the mobile sidebar.</SheetDescription>
+          </SheetHeader>
+          <div className="flex h-full w-full flex-col">{children}</div>
+        </SheetContent>
+      </Sheet>
+    );
+  }
+
+  return (
+    <div
+      className="group peer hidden text-sidebar-foreground md:block"
+      data-state={state}
+      data-collapsible={state === "collapsed" ? collapsible : ""}
+      data-variant={variant}
+      data-side={side}
+      data-slot="sidebar"
+    >
+      {/* This is what handles the sidebar gap on desktop */}
+      <div
+        data-slot="sidebar-gap"
+        className={cn(
+          "relative w-(--sidebar-width) bg-transparent transition-[width] duration-200 ease-linear",
+          "group-data-[collapsible=offcanvas]:w-0",
+          "group-data-[side=right]:rotate-180",
+          variant === "floating" || variant === "inset"
+            ? "group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4)))]"
+            : "group-data-[collapsible=icon]:w-(--sidebar-width-icon)",
+        )}
+      />
+      <div
+        data-slot="sidebar-container"
+        data-side={side}
+        className={cn(
+          "fixed inset-y-0 z-10 hidden h-svh w-(--sidebar-width) transition-[left,right,width] duration-200 ease-linear data-[side=left]:left-0 data-[side=left]:group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)] data-[side=right]:right-0 data-[side=right]:group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)] md:flex",
+          // Adjust the padding for floating and inset variants.
+          variant === "floating" || variant === "inset"
+            ? "p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4))+2px)]"
+            : "group-data-[collapsible=icon]:w-(--sidebar-width-icon) group-data-[side=left]:border-r-2 group-data-[side=right]:border-l-2",
+          className,
+        )}
+        {...props}
+      >
+        <div
+          data-sidebar="sidebar"
+          data-slot="sidebar-inner"
+          className="flex size-full flex-col bg-card group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:shadow-sm group-data-[variant=floating]:ring-1 group-data-[variant=floating]:ring-sidebar-border"
+        >
+          {children}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function SidebarTrigger({
+  className,
+  onClick,
+  ...props
+}: React.ComponentProps<typeof Button>) {
+  const { toggleSidebar } = useSidebar();
+
+  return (
+    <Button
+      data-sidebar="trigger"
+      data-slot="sidebar-trigger"
+      variant="ghost"
+      size="icon"
+      className={cn(className)}
+      onClick={(event) => {
+        onClick?.(event);
+        toggleSidebar();
+      }}
+      {...props}
+    >
+      <PanelLeftIcon />
+      <span className="sr-only">Toggle Sidebar</span>
+    </Button>
+  );
+}
+
+function SidebarRail({ className, ...props }: React.ComponentProps<"button">) {
+  const { toggleSidebar } = useSidebar();
+
+  return (
+    <button
+      data-sidebar="rail"
+      data-slot="sidebar-rail"
+      aria-label="Toggle Sidebar"
+      tabIndex={-1}
+      onClick={toggleSidebar}
+      title="Toggle Sidebar"
+      className={cn(
+        "absolute inset-y-0 z-20 hidden w-4 transition-all ease-linear group-data-[side=left]:-right-4 group-data-[side=right]:left-0 after:absolute after:inset-y-0 after:start-1/2 after:w-[2px] hover:after:bg-sidebar-border sm:flex ltr:-translate-x-1/2 rtl:-translate-x-1/2",
+        "in-data-[side=left]:cursor-w-resize in-data-[side=right]:cursor-e-resize",
+        "[[data-side=left][data-state=collapsed]_&]:cursor-e-resize [[data-side=right][data-state=collapsed]_&]:cursor-w-resize",
+        "group-data-[collapsible=offcanvas]:translate-x-0 group-data-[collapsible=offcanvas]:after:left-full hover:group-data-[collapsible=offcanvas]:bg-sidebar",
+        "[[data-side=left][data-collapsible=offcanvas]_&]:-right-2",
+        "[[data-side=right][data-collapsible=offcanvas]_&]:-left-2",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarInset({ className, ...props }: React.ComponentProps<"main">) {
+  return (
+    <main
+      data-slot="sidebar-inset"
+      className={cn(
+        "relative flex w-full flex-1 flex-col bg-background md:peer-data-[variant=inset]:m-2 md:peer-data-[variant=inset]:ml-0 md:peer-data-[variant=inset]:rounded-xl md:peer-data-[variant=inset]:shadow-sm md:peer-data-[variant=inset]:peer-data-[state=collapsed]:ml-2",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarInput({
+  className,
+  ...props
+}: React.ComponentProps<typeof Input>) {
+  return (
+    <Input
+      data-slot="sidebar-input"
+      data-sidebar="input"
+      className={cn("h-8 w-full bg-background shadow-none", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-header"
+      data-sidebar="header"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarFooter({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-footer"
+      data-sidebar="footer"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof Separator>) {
+  return (
+    <Separator
+      data-slot="sidebar-separator"
+      data-sidebar="separator"
+      className={cn("mx-2 w-auto bg-sidebar-border", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-content"
+      data-sidebar="content"
+      className={cn(
+        "no-scrollbar flex min-h-0 flex-1 flex-col gap-0 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarGroup({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-group"
+      data-sidebar="group"
+      className={cn("relative flex w-full min-w-0 flex-col p-2", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarGroupLabel({
+  className,
+  asChild = false,
+  ...props
+}: React.ComponentProps<"div"> & { asChild?: boolean }) {
+  const Comp = asChild ? Slot.Root : "div";
+
+  return (
+    <Comp
+      data-slot="sidebar-group-label"
+      data-sidebar="group-label"
+      className={cn(
+        "flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium text-sidebar-foreground/70 ring-sidebar-ring outline-hidden transition-[margin,opacity] duration-200 ease-linear group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0 focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarGroupAction({
+  className,
+  asChild = false,
+  ...props
+}: React.ComponentProps<"button"> & { asChild?: boolean }) {
+  const Comp = asChild ? Slot.Root : "button";
+
+  return (
+    <Comp
+      data-slot="sidebar-group-action"
+      data-sidebar="group-action"
+      className={cn(
+        "absolute top-3.5 right-3 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground ring-sidebar-ring outline-hidden transition-transform group-data-[collapsible=icon]:hidden after:absolute after:-inset-2 hover:bg-accent hover:text-accent-foreground focus-visible:ring-2 md:after:hidden [&>svg]:size-4 [&>svg]:shrink-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarGroupContent({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-group-content"
+      data-sidebar="group-content"
+      className={cn("w-full text-sm", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarMenu({ className, ...props }: React.ComponentProps<"ul">) {
+  return (
+    <ul
+      data-slot="sidebar-menu"
+      data-sidebar="menu"
+      className={cn("flex w-full min-w-0 flex-col gap-0", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarMenuItem({ className, ...props }: React.ComponentProps<"li">) {
+  return (
+    <li
+      data-slot="sidebar-menu-item"
+      data-sidebar="menu-item"
+      className={cn("group/menu-item relative", className)}
+      {...props}
+    />
+  );
+}
+
+const sidebarMenuButtonVariants = cva(
+  "peer/menu-button group/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-sm ring-sidebar-ring outline-hidden transition-[width,height,padding] group-has-data-[sidebar=menu-action]/menu-item:pr-8 group-data-[collapsible=icon]:size-8! group-data-[collapsible=icon]:p-2! hover:bg-accent hover:text-accent-foreground focus-visible:ring-2 active:bg-accent active:text-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-open:hover:bg-accent data-open:hover:text-accent-foreground data-active:bg-primary data-active:font-medium data-active:text-primary-foreground [&_svg]:size-4 [&_svg]:shrink-0 [&>span:last-child]:truncate",
+  {
+    variants: {
+      variant: {
+        default: "hover:bg-accent hover:text-accent-foreground",
+        outline:
+          "bg-background shadow-[0_0_0_1px_var(--sidebar-border)] hover:bg-accent hover:text-accent-foreground hover:shadow-[0_0_0_1px_var(--sidebar-accent)]",
+      },
+      size: {
+        default: "h-8 text-sm",
+        sm: "h-7 text-xs",
+        lg: "h-12 text-sm group-data-[collapsible=icon]:p-0!",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  },
+);
+
+function SidebarMenuButton({
+  asChild = false,
+  isActive = false,
+  variant = "default",
+  size = "default",
+  tooltip,
+  className,
+  ...props
+}: React.ComponentProps<"button"> & {
+  asChild?: boolean;
+  isActive?: boolean;
+  tooltip?: string | React.ComponentProps<typeof TooltipContent>;
+} & VariantProps<typeof sidebarMenuButtonVariants>) {
+  const Comp = asChild ? Slot.Root : "button";
+  const { isMobile, state } = useSidebar();
+
+  const button = (
+    <Comp
+      data-slot="sidebar-menu-button"
+      data-sidebar="menu-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(sidebarMenuButtonVariants({ variant, size }), className)}
+      {...props}
+    />
+  );
+
+  if (!tooltip) {
+    return button;
+  }
+
+  if (typeof tooltip === "string") {
+    tooltip = {
+      children: tooltip,
+    };
+  }
+
+  return (
+    <Tooltip>
+      <TooltipTrigger asChild>{button}</TooltipTrigger>
+      <TooltipContent
+        side="right"
+        align="center"
+        hidden={state !== "collapsed" || isMobile}
+        {...tooltip}
+      />
+    </Tooltip>
+  );
+}
+
+function SidebarMenuAction({
+  className,
+  asChild = false,
+  showOnHover = false,
+  ...props
+}: React.ComponentProps<"button"> & {
+  asChild?: boolean;
+  showOnHover?: boolean;
+}) {
+  const Comp = asChild ? Slot.Root : "button";
+
+  return (
+    <Comp
+      data-slot="sidebar-menu-action"
+      data-sidebar="menu-action"
+      className={cn(
+        "absolute top-1.5 right-1 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground ring-sidebar-ring outline-hidden transition-transform group-data-[collapsible=icon]:hidden peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[size=default]/menu-button:top-1.5 peer-data-[size=lg]/menu-button:top-2.5 peer-data-[size=sm]/menu-button:top-1 after:absolute after:-inset-2 hover:bg-accent hover:text-accent-foreground focus-visible:ring-2 md:after:hidden [&>svg]:size-4 [&>svg]:shrink-0",
+        showOnHover &&
+          "group-focus-within/menu-item:opacity-100 group-hover/menu-item:opacity-100 peer-data-active/menu-button:text-sidebar-accent-foreground aria-expanded:opacity-100 md:opacity-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarMenuBadge({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-menu-badge"
+      data-sidebar="menu-badge"
+      className={cn(
+        "pointer-events-none absolute right-1 flex h-5 min-w-5 items-center justify-center rounded-md px-1 text-xs font-medium text-sidebar-foreground tabular-nums select-none group-data-[collapsible=icon]:hidden peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[size=default]/menu-button:top-1.5 peer-data-[size=lg]/menu-button:top-2.5 peer-data-[size=sm]/menu-button:top-1 peer-data-active/menu-button:text-sidebar-accent-foreground",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarMenuSkeleton({
+  className,
+  showIcon = false,
+  ...props
+}: React.ComponentProps<"div"> & {
+  showIcon?: boolean;
+}) {
+  // Random width between 50 to 90%.
+  const [width] = React.useState(() => {
+    return `${Math.floor(Math.random() * 40) + 50}%`;
+  });
+
+  return (
+    <div
+      data-slot="sidebar-menu-skeleton"
+      data-sidebar="menu-skeleton"
+      className={cn("flex h-8 items-center gap-2 rounded-md px-2", className)}
+      {...props}
+    >
+      {showIcon && (
+        <Skeleton
+          className="size-4 rounded-md"
+          data-sidebar="menu-skeleton-icon"
+        />
+      )}
+      <Skeleton
+        className="h-4 max-w-(--skeleton-width) flex-1"
+        data-sidebar="menu-skeleton-text"
+        style={
+          {
+            "--skeleton-width": width,
+          } as React.CSSProperties
+        }
+      />
+    </div>
+  );
+}
+
+function SidebarMenuSub({ className, ...props }: React.ComponentProps<"ul">) {
+  return (
+    <ul
+      data-slot="sidebar-menu-sub"
+      data-sidebar="menu-sub"
+      className={cn(
+        "mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-l border-sidebar-border px-2.5 py-0.5 group-data-[collapsible=icon]:hidden",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function SidebarMenuSubItem({
+  className,
+  ...props
+}: React.ComponentProps<"li">) {
+  return (
+    <li
+      data-slot="sidebar-menu-sub-item"
+      data-sidebar="menu-sub-item"
+      className={cn("group/menu-sub-item relative", className)}
+      {...props}
+    />
+  );
+}
+
+function SidebarMenuSubButton({
+  asChild = false,
+  size = "md",
+  isActive = false,
+  className,
+  ...props
+}: React.ComponentProps<"a"> & {
+  asChild?: boolean;
+  size?: "sm" | "md";
+  isActive?: boolean;
+}) {
+  const Comp = asChild ? Slot.Root : "a";
+
+  return (
+    <Comp
+      data-slot="sidebar-menu-sub-button"
+      data-sidebar="menu-sub-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(
+        "flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 text-sidebar-foreground ring-sidebar-ring outline-hidden group-data-[collapsible=icon]:hidden hover:bg-accent hover:text-accent-foreground focus-visible:ring-2 active:bg-accent active:text-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[size=md]:text-sm data-[size=sm]:text-xs data-active:bg-primary data-active:text-primary-foreground [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0 [&>svg]:text-sidebar-accent-foreground",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupAction,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  SidebarHeader,
+  SidebarInput,
+  SidebarInset,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuBadge,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSkeleton,
+  SidebarMenuSub,
+  SidebarMenuSubButton,
+  SidebarMenuSubItem,
+  SidebarProvider,
+  SidebarRail,
+  SidebarSeparator,
+  SidebarTrigger,
+  useSidebar,
+};

apps/gui/src/components/ui/skeleton.tsx

@@ -0,0 +1,16 @@
+import { cn } from "@/lib/utils";
+
+function Skeleton({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      data-slot="skeleton"
+      className={cn("animate-pulse rounded-md bg-muted/60", className)}
+      {...props}
+    />
+  );
+}
+
+export { Skeleton };

apps/gui/src/components/ui/spinner.tsx

@@ -0,0 +1,17 @@
+import { Loader2Icon } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+function Spinner({ className, ...props }: React.ComponentProps<"svg">) {
+  return (
+    <Loader2Icon
+      data-slot="spinner"
+      role="status"
+      aria-label="Loading"
+      className={cn("size-4 animate-spin", className)}
+      {...props}
+    />
+  );
+}
+
+export { Spinner };

apps/gui/src/components/ui/table.tsx

@@ -0,0 +1,116 @@
+"use client";
+
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+function Table({ className, ...props }: React.ComponentProps<"table">) {
+  return (
+    <div
+      data-slot="table-container"
+      className="relative w-full overflow-x-auto rounded border-2 shadow-md"
+    >
+      <table
+        data-slot="table"
+        className={cn("w-full caption-bottom text-sm", className)}
+        {...props}
+      />
+    </div>
+  );
+}
+
+function TableHeader({ className, ...props }: React.ComponentProps<"thead">) {
+  return (
+    <thead
+      data-slot="table-header"
+      className={cn("[&_tr]:border-b-2", className)}
+      {...props}
+    />
+  );
+}
+
+function TableBody({ className, ...props }: React.ComponentProps<"tbody">) {
+  return (
+    <tbody
+      data-slot="table-body"
+      className={cn("[&_tr:last-child]:border-0", className)}
+      {...props}
+    />
+  );
+}
+
+function TableFooter({ className, ...props }: React.ComponentProps<"tfoot">) {
+  return (
+    <tfoot
+      data-slot="table-footer"
+      className={cn(
+        "border-t-2 bg-muted/50 font-medium [&>tr]:last:border-b-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function TableRow({ className, ...props }: React.ComponentProps<"tr">) {
+  return (
+    <tr
+      data-slot="table-row"
+      className={cn(
+        "border-b-2 transition-colors hover:bg-accent has-aria-expanded:bg-accent data-[state=selected]:bg-accent",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function TableHead({ className, ...props }: React.ComponentProps<"th">) {
+  return (
+    <th
+      data-slot="table-head"
+      className={cn(
+        "h-10 bg-muted px-2 text-left align-middle font-head font-medium whitespace-nowrap text-foreground [&:has([role=checkbox])]:pr-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function TableCell({ className, ...props }: React.ComponentProps<"td">) {
+  return (
+    <td
+      data-slot="table-cell"
+      className={cn(
+        "p-2 align-middle whitespace-nowrap [&:has([role=checkbox])]:pr-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function TableCaption({
+  className,
+  ...props
+}: React.ComponentProps<"caption">) {
+  return (
+    <caption
+      data-slot="table-caption"
+      className={cn("mt-4 text-sm text-muted-foreground", className)}
+      {...props}
+    />
+  );
+}
+
+export {
+  Table,
+  TableHeader,
+  TableBody,
+  TableFooter,
+  TableHead,
+  TableRow,
+  TableCell,
+  TableCaption,
+};

apps/gui/src/components/ui/tabs.tsx

@@ -0,0 +1,90 @@
+"use client";
+
+import * as React from "react";
+import { cva, type VariantProps } from "class-variance-authority";
+import { Tabs as TabsPrimitive } from "radix-ui";
+
+import { cn } from "@/lib/utils";
+
+function Tabs({
+  className,
+  orientation = "horizontal",
+  ...props
+}: React.ComponentProps<typeof TabsPrimitive.Root>) {
+  return (
+    <TabsPrimitive.Root
+      data-slot="tabs"
+      data-orientation={orientation}
+      className={cn(
+        "group/tabs flex gap-2 data-horizontal:flex-col",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+const tabsListVariants = cva(
+  "group/tabs-list inline-flex w-fit items-center justify-center rounded p-1 text-muted-foreground group-data-horizontal/tabs:h-11 group-data-vertical/tabs:h-fit group-data-vertical/tabs:flex-col data-[variant=line]:rounded-none",
+  {
+    variants: {
+      variant: {
+        default: "border-2 bg-card shadow-sm",
+        line: "gap-1 bg-transparent",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+function TabsList({
+  className,
+  variant = "default",
+  ...props
+}: React.ComponentProps<typeof TabsPrimitive.List> &
+  VariantProps<typeof tabsListVariants>) {
+  return (
+    <TabsPrimitive.List
+      data-slot="tabs-list"
+      data-variant={variant}
+      className={cn(tabsListVariants({ variant }), className)}
+      {...props}
+    />
+  );
+}
+
+function TabsTrigger({
+  className,
+  ...props
+}: React.ComponentProps<typeof TabsPrimitive.Trigger>) {
+  return (
+    <TabsPrimitive.Trigger
+      data-slot="tabs-trigger"
+      className={cn(
+        "relative inline-flex h-[calc(100%-1px)] flex-1 cursor-pointer items-center justify-center gap-1.5 rounded border-2 border-transparent px-4 py-2 text-sm font-head font-medium whitespace-nowrap text-foreground/60 transition-all group-data-vertical/tabs:w-full group-data-vertical/tabs:justify-start hover:text-foreground focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary disabled:pointer-events-none disabled:opacity-50 has-data-[icon=inline-end]:pr-1 has-data-[icon=inline-start]:pl-1 group-data-[variant=default]/tabs-list:data-active:border-border group-data-[variant=default]/tabs-list:data-active:shadow-sm group-data-[variant=line]/tabs-list:data-active:shadow-none [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "group-data-[variant=line]/tabs-list:bg-transparent group-data-[variant=line]/tabs-list:data-active:bg-transparent",
+        "data-active:bg-primary data-active:text-primary-foreground group-data-[variant=line]/tabs-list:data-active:text-foreground",
+        "after:absolute after:bg-foreground after:opacity-0 after:transition-opacity group-data-horizontal/tabs:after:inset-x-0 group-data-horizontal/tabs:after:bottom-[-5px] group-data-horizontal/tabs:after:h-1 group-data-vertical/tabs:after:inset-y-0 group-data-vertical/tabs:after:-right-1 group-data-vertical/tabs:after:w-1 group-data-[variant=line]/tabs-list:data-active:after:opacity-100",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function TabsContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof TabsPrimitive.Content>) {
+  return (
+    <TabsPrimitive.Content
+      data-slot="tabs-content"
+      className={cn("flex-1 text-sm outline-none", className)}
+      {...props}
+    />
+  );
+}
+
+export { Tabs, TabsList, TabsTrigger, TabsContent, tabsListVariants };

apps/gui/src/components/ui/textarea.tsx

@@ -0,0 +1,18 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+function Textarea({ className, ...props }: React.ComponentProps<"textarea">) {
+  return (
+    <textarea
+      data-slot="textarea"
+      className={cn(
+        "flex field-sizing-content min-h-16 w-full rounded border-2 bg-input px-3 py-2 text-sm shadow-sm transition-colors outline-none placeholder:text-muted-foreground focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export { Textarea };

apps/gui/src/components/ui/tooltip.tsx

@@ -0,0 +1,30 @@
+"use client";
+
+import * as React from "react";
+import * as TooltipPrimitive from "@radix-ui/react-tooltip";
+
+import { cn } from "@/lib/utils";
+
+const TooltipProvider = TooltipPrimitive.Provider;
+
+const Tooltip = TooltipPrimitive.Root;
+
+const TooltipTrigger = TooltipPrimitive.Trigger;
+
+const TooltipContent = React.forwardRef<
+  React.ElementRef<typeof TooltipPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <TooltipPrimitive.Content
+    ref={ref}
+    sideOffset={sideOffset}
+    className={cn(
+      "z-50 overflow-hidden rounded-md border bg-popover px-3 py-1.5 text-sm text-popover-foreground shadow-md animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 origin-[--radix-tooltip-content-transform-origin]",
+      className,
+    )}
+    {...props}
+  />
+));
+TooltipContent.displayName = TooltipPrimitive.Content.displayName;
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider };

apps/gui/src/hooks/use-mobile.tsx

@@ -0,0 +1,21 @@
+import * as React from "react";
+
+const MOBILE_BREAKPOINT = 768;
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(
+    undefined,
+  );
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
+    const onChange = () => {
+      setIsMobile(mql.matches);
+    };
+    mql.addEventListener("change", onChange);
+    setIsMobile(mql.matches);
+    return () => mql.removeEventListener("change", onChange);
+  }, []);
+
+  return !!isMobile;
+}

apps/gui/src/lib/simulation-types.ts

@@ -1,6 +1,8 @@
 export interface IntentInfo {
   type: string;
   description: string;
+  selfDescription?: string;
+  modifiers: string[];
   targetIds: string[];
   isValid?: boolean;
   reason?: string;
@@ -22,6 +24,9 @@ export interface LogEntry {
     inputTokens: number;
     outputTokens: number;
     totalTokens: number;
+    modelName?: string;
+    providerInstanceName?: string;
+    maxContext?: number;
   };
   decoderPrompt?: {
     systemPrompt: string;
@@ -31,6 +36,9 @@ export interface LogEntry {
     inputTokens: number;
     outputTokens: number;
     totalTokens: number;
+    modelName?: string;
+    providerInstanceName?: string;
+    maxContext?: number;
   };
 }
 
@@ -38,6 +46,7 @@ export interface EntityInfo {
   id: string;
   name: string;
   isPlayer: boolean;
+  isAgent: boolean;
 }
 
 export interface WaitingContext {

apps/gui/src/lib/simulation.ts

@@ -1,934 +0,0 @@
-import dotenv from "dotenv";
-import Database from "better-sqlite3";
-import path from "path";
-import fs from "fs";
-import { SQLiteRepository } from "@omnia/core";
-
-// Load .env from monorepo root or apps/gui/
-const cwd = process.cwd();
-const envCandidates = [
-  path.resolve(cwd, ".env"),
-  path.resolve(cwd, "../../.env"),
-];
-for (const c of envCandidates) {
-  if (fs.existsSync(c) && fs.statSync(c).isFile()) {
-    dotenv.config({ path: c });
-    break;
-  }
-}
-
-import { BufferRepository, LedgerRepository } from "@omnia/memory";
-import { Architect, AliasDeltaGenerator } from "@omnia/architect";
-import {
-  ActorAgent,
-  ActorPromptBuilder,
-  IActorProseGenerator,
-  buildBufferEntryForIntent,
-} from "@omnia/actor";
-import { GeminiProvider, ILLMProvider, MockLLMProvider, ProviderManager, OpenRouterProvider, IEmbeddingProvider, GeminiEmbeddingProvider, MockEmbeddingProvider, ModelProviderInstance } from "@omnia/llm";
-import { ScenarioLoader } from "@omnia/scenario";
-
-import type {
-  IntentInfo,
-  LogEntry,
-  EntityInfo,
-  WaitingContext,
-  SimSnapshot,
-} from "./simulation-types.js";
-
-export type { SimSnapshot, EntityInfo, LogEntry, IntentInfo, WaitingContext };
-
-class FixedProseGenerator implements IActorProseGenerator {
-  constructor(private prose: string) {}
-
-  async generate(
-    entityId: string,
-    systemPrompt: string,
-    userContext: string,
-  ): Promise<string> {
-    void entityId;
-    void systemPrompt;
-    void userContext;
-    return this.prose;
-  }
-}
-
-interface SavedState {
-  scenarioName: string;
-  scenarioDescription: string;
-  turn: number;
-  maxTurns: number;
-  entities: EntityInfo[];
-  playerEntityId: string | undefined;
-  entityIndex: number;
-  status: "running" | "waiting_player" | "done" | "error";
-  error?: string;
-  waitingEntity?: WaitingContext;
-  aliasDoneForTurn: boolean;
-  log: LogEntry[];
-  providerMappings: Record<string, string>;
-}
-
-function loadSessionState(db: Database.Database, id: string): SavedState | null {
-  try {
-    db.prepare(`
-      CREATE TABLE IF NOT EXISTS gui_meta (
-        id TEXT PRIMARY KEY,
-        state_json TEXT
-      )
-    `).run();
-    const row = db.prepare(`SELECT state_json FROM gui_meta WHERE id = ?`).get(id) as { state_json: string } | undefined;
-    return row ? (JSON.parse(row.state_json) as SavedState) : null;
-  } catch {
-    return null;
-  }
-}
-
-interface SimSession {
-  db: Database.Database;
-  dbPath: string;
-  coreRepo: SQLiteRepository;
-  bufferRepo: BufferRepository;
-  ledgerRepo: LedgerRepository;
-  worldInstanceId: string;
-  scenarioName: string;
-  scenarioDescription: string;
-  turn: number;
-  maxTurns: number;
-  entities: EntityInfo[];
-  playerEntityId: string | undefined;
-  entityIndex: number;
-  actorProvider: ILLMProvider;
-  validatorProvider: ILLMProvider;
-  decoderProvider: ILLMProvider;
-  timedeltaProvider: ILLMProvider;
-  embeddingProvider: IEmbeddingProvider;
-  architect: Architect;
-  aliasGenerator: AliasDeltaGenerator;
-  log: LogEntry[];
-  status: "running" | "waiting_player" | "done" | "error";
-  error?: string;
-  waitingEntity?: WaitingContext;
-  aliasDoneForTurn: boolean;
-  providerMappings: Record<string, string>;
-}
-
-class SimulationManager {
-  private sessions = new Map<string, SimSession>();
-
-  async create(
-    scenarioPath: string,
-    playEntityName?: string,
-    providerInstanceId?: string,
-  ): Promise<SimSnapshot> {
-    let activeInstance: ModelProviderInstance | null = providerInstanceId
-      ? ProviderManager.list().find((p) => p.id === providerInstanceId) || null
-      : ProviderManager.getActive("generative");
-
-    if (!activeInstance) {
-      const envKey = process.env.GOOGLE_API_KEY;
-      if (envKey) {
-        activeInstance = ProviderManager.create("Default (Env)", "google-genai", envKey, undefined, "generative");
-      }
-    }
-
-    if (!activeInstance) {
-      return {
-        id: "",
-        status: "error",
-        turn: 0,
-        maxTurns: 20,
-        scenarioName: "",
-        scenarioDescription: "",
-        entities: [],
-        log: [],
-        entityIndex: 0,
-        error: "No active LLM Provider Instance found. Please configure a key in Settings first.",
-      };
-    }
-
-    const scenarioJson = JSON.parse(fs.readFileSync(scenarioPath, "utf-8"));
-    const id = `sim-${Date.now()}`;
-
-    const dbDir = path.resolve(process.cwd(), "data");
-    fs.mkdirSync(dbDir, { recursive: true });
-    const dbPath = path.join(dbDir, `${id}.db`);
-    const db = new Database(dbPath);
-    const coreRepo = new SQLiteRepository(db);
-    const bufferRepo = new BufferRepository(db);
-    const ledgerRepo = new LedgerRepository(db);
-    const loader = new ScenarioLoader(coreRepo, bufferRepo);
-
-    const worldInstanceId = id;
-    await loader.initializeWorld(scenarioJson, worldInstanceId);
-
-    const worldState = coreRepo.loadWorldState(worldInstanceId);
-    if (!worldState) {
-      db.close();
-      return {
-        id: "",
-        status: "error",
-        turn: 0,
-        maxTurns: 20,
-        scenarioName: "",
-        scenarioDescription: "",
-        entities: [],
-        log: [],
-        entityIndex: 0,
-        error: "Failed to load world state after initialization.",
-      };
-    }
-
-    const rawEntities = Array.from(worldState.entities.values());
-    const entityInfos: EntityInfo[] = rawEntities.map((e) => ({
-      id: e.id,
-      name: (e.attributes.get("name")?.getValue() as string) || e.id,
-      isPlayer: false,
-    }));
-
-    let playerEntityId: string | undefined;
-    if (playEntityName) {
-      let matched = worldState.getEntity(playEntityName);
-      if (!matched) {
-        for (const ent of rawEntities) {
-          const nameAttr = ent.attributes.get("name")?.getValue() as
-            | string
-            | undefined;
-          if (nameAttr?.toLowerCase() === playEntityName.toLowerCase()) {
-            matched = ent;
-            break;
-          }
-        }
-      }
-      if (!matched) {
-        for (const ent of rawEntities) {
-          const nameAttr = ent.attributes.get("name")?.getValue() as
-            | string
-            | undefined;
-          if (
-            nameAttr?.toLowerCase().includes(playEntityName.toLowerCase()) ||
-            ent.id.toLowerCase().includes(playEntityName.toLowerCase())
-          ) {
-            matched = ent;
-            break;
-          }
-        }
-      }
-      if (matched) {
-        playerEntityId = matched.id;
-        const info = entityInfos.find((e) => e.id === matched.id);
-        if (info) info.isPlayer = true;
-      }
-    }
-
-    const list = ProviderManager.list();
-    const active = ProviderManager.getActive("generative") || activeInstance;
-    const mappings = ProviderManager.getMappings();
-
-    const resolveProviderForTask = (task: string): ILLMProvider => {
-      const mappedId = mappings[task];
-      let inst = mappedId ? list.find((p) => p.id === mappedId) : null;
-      if (!inst || inst.type !== "generative") {
-        inst = active;
-      }
-
-      const key = inst ? inst.apiKey : (process.env.GOOGLE_API_KEY || "");
-      const providerName = inst ? inst.providerName : "google-genai";
-      const modelName = inst ? inst.modelName : undefined;
-
-      if (providerName === "google-genai") {
-        return new GeminiProvider(key, modelName);
-      } else if (providerName === "openrouter") {
-        return new OpenRouterProvider(key, modelName);
-      } else {
-        return new MockLLMProvider([]);
-      }
-    };
-
-    const resolveEmbeddingProvider = (): IEmbeddingProvider => {
-      const mappedId = mappings["embeddings"];
-      let inst = mappedId ? list.find((p) => p.id === mappedId) : null;
-      if (!inst || inst.type !== "embedding") {
-        inst = ProviderManager.getActive("embedding");
-      }
-
-      const key = inst ? inst.apiKey : (process.env.GOOGLE_API_KEY || "");
-      const providerName = inst ? inst.providerName : "google-genai";
-      const modelName = inst ? inst.modelName : undefined;
-
-      if (providerName === "google-genai") {
-        return new GeminiEmbeddingProvider(key, modelName);
-      } else {
-        return new MockEmbeddingProvider(modelName);
-      }
-    };
-
-    const actorProvider = resolveProviderForTask("actor-prose");
-    const validatorProvider = resolveProviderForTask("llm-validator");
-    const decoderProvider = resolveProviderForTask("intent-decoder");
-    const timedeltaProvider = resolveProviderForTask("timedelta");
-    const embeddingProvider = resolveEmbeddingProvider();
-
-    const architect = new Architect(
-      { validator: validatorProvider, timedelta: timedeltaProvider },
-      coreRepo,
-    );
-    const aliasGenerator = new AliasDeltaGenerator(actorProvider);
-
-    const session: SimSession = {
-      db,
-      dbPath,
-      coreRepo,
-      bufferRepo,
-      ledgerRepo,
-      worldInstanceId: worldInstanceId,
-      scenarioName: scenarioJson.name,
-      scenarioDescription: scenarioJson.description || "",
-      turn: 1,
-      maxTurns: 20,
-      entities: entityInfos,
-      playerEntityId,
-      entityIndex: 0,
-      actorProvider,
-      validatorProvider,
-      decoderProvider,
-      timedeltaProvider,
-      embeddingProvider,
-      architect,
-      aliasGenerator,
-      log: [],
-      status: "running",
-      aliasDoneForTurn: false,
-      providerMappings: mappings,
-    };
-
-    this.sessions.set(id, session);
-    return this.snapshot(session);
-  }
-
-  async step(id: string): Promise<SimSnapshot | null> {
-    const session = this.sessions.get(id);
-    if (!session) return null;
-    if (session.status !== "running") return this.snapshot(session);
-
-    try {
-      if (session.turn > session.maxTurns) {
-        session.status = "done";
-        this.save(session);
-        return this.snapshot(session);
-      }
-
-      if (!session.aliasDoneForTurn && session.entityIndex === 0) {
-        await this.runAliasResolution(session);
-        session.aliasDoneForTurn = true;
-        this.save(session);
-        return this.snapshot(session);
-      }
-
-      if (session.entityIndex >= session.entities.length) {
-        session.turn++;
-        session.entityIndex = 0;
-        session.aliasDoneForTurn = false;
-        this.save(session);
-        return this.snapshot(session);
-      }
-
-      const info = session.entities[session.entityIndex];
-
-      if (info.isPlayer) {
-        await this.preparePlayerTurn(session, info);
-        this.save(session);
-        return this.snapshot(session);
-      }
-
-      await this.processNpcTurn(session, info);
-      session.entityIndex++;
-    } catch (err) {
-      session.status = "error";
-      session.error = err instanceof Error ? err.message : String(err);
-    }
-
-    this.save(session);
-    return this.snapshot(session);
-  }
-
-  async submitPlayerAction(
-    id: string,
-    prose: string,
-  ): Promise<SimSnapshot | null> {
-    const session = this.sessions.get(id);
-    if (!session) return null;
-    if (session.status !== "waiting_player") return this.snapshot(session);
-    if (!session.waitingEntity) return this.snapshot(session);
-
-    const ctx = session.waitingEntity;
-    session.waitingEntity = undefined;
-    session.status = "running";
-
-    try {
-      const worldState = session.coreRepo.loadWorldState(
-        session.worldInstanceId,
-      );
-      if (!worldState) throw new Error("World state lost");
-
-      const entity = worldState.getEntity(ctx.entityId);
-      if (!entity) throw new Error(`Player entity "${ctx.entityId}" not found`);
-
-      const playerActor = new ActorAgent(
-        { actor: session.actorProvider, decoder: session.decoderProvider },
-        session.bufferRepo,
-        session.ledgerRepo,
-        20,
-        new FixedProseGenerator(prose),
-      );
-
-      const result = await playerActor.act(worldState, entity);
-
-      const entry: LogEntry = {
-        turn: session.turn,
-        entityId: ctx.entityId,
-        entityName: ctx.name,
-        narrativeProse: result.narrativeProse,
-        intents: [],
-        timestamp: worldState.clock.get().toISOString(),
-        rawPrompt: {
-          systemPrompt: ctx.systemPrompt,
-          userContext: ctx.userContext,
-        },
-      };
-
-      if (session.decoderProvider.lastCalls && session.decoderProvider.lastCalls.length > 0) {
-        const call = session.decoderProvider.lastCalls[session.decoderProvider.lastCalls.length - 1];
-        entry.decoderPrompt = {
-          systemPrompt: call.systemPrompt,
-          userContext: call.userContext,
-        };
-        entry.decoderUsage = call.usage;
-      }
-
-      for (const intent of result.intents.intents) {
-        const outcome = await session.architect.processIntent(
-          worldState,
-          intent,
-        );
-        const ts = worldState.clock.get().toISOString();
-
-        entry.intents.push({
-          type: intent.type,
-          description: intent.description,
-          targetIds: intent.targetIds,
-          isValid: outcome.isValid,
-          reason: outcome.reason,
-          minutesToAdvance: outcome.timeDelta?.minutesToAdvance,
-        });
-
-        const actorEntry = buildBufferEntryForIntent(
-          intent,
-          ts,
-          entity.locationId,
-        );
-        if (intent.type === "action") {
-          actorEntry.outcome = {
-            isValid: outcome.isValid,
-            reason: outcome.reason,
-          };
-        }
-        session.bufferRepo.save(actorEntry);
-
-        if (
-          entity.locationId &&
-          (intent.type === "dialogue" || intent.type === "action")
-        ) {
-          for (const [, other] of worldState.entities) {
-            if (
-              other.id !== ctx.entityId &&
-              other.locationId === entity.locationId
-            ) {
-              const observerEntry = buildBufferEntryForIntent(
-                intent,
-                ts,
-                entity.locationId,
-              );
-              if (intent.type === "action") {
-                observerEntry.outcome = {
-                  isValid: outcome.isValid,
-                  reason: outcome.reason,
-                };
-              }
-              session.bufferRepo.save({
-                ...observerEntry,
-                ownerId: other.id,
-              });
-            }
-          }
-        }
-      }
-
-      session.log.push(entry);
-      session.coreRepo.saveWorldState(worldState);
-      session.entityIndex++;
-    } catch (err) {
-      session.status = "error";
-      session.error = err instanceof Error ? err.message : String(err);
-    }
-
-    this.save(session);
-    return this.snapshot(session);
-  }
-
-  private async preparePlayerTurn(
-    session: SimSession,
-    info: EntityInfo,
-  ): Promise<void> {
-    const worldState = session.coreRepo.loadWorldState(
-      session.worldInstanceId,
-    );
-    if (!worldState) throw new Error("World state lost");
-
-    const entity = worldState.getEntity(info.id);
-    if (!entity) throw new Error(`Entity "${info.id}" not found`);
-
-    const promptBuilder = new ActorPromptBuilder(session.bufferRepo, session.ledgerRepo, 20);
-    const { systemPrompt, userContext } = promptBuilder.build(
-      worldState,
-      entity,
-    );
-
-    session.waitingEntity = {
-      entityId: info.id,
-      name: info.name,
-      systemPrompt,
-      userContext,
-    };
-    session.status = "waiting_player";
-  }
-
-  private async processNpcTurn(
-    session: SimSession,
-    info: EntityInfo,
-  ): Promise<void> {
-    const worldState = session.coreRepo.loadWorldState(
-      session.worldInstanceId,
-    );
-    if (!worldState) throw new Error("World state lost");
-
-    const entity = worldState.getEntity(info.id);
-    if (!entity) throw new Error(`Entity "${info.id}" not found`);
-
-    const actor = new ActorAgent(
-      { actor: session.actorProvider, decoder: session.decoderProvider },
-      session.bufferRepo,
-      session.ledgerRepo,
-      20,
-    );
-    const result = await actor.act(worldState, entity);
-
-    const entry: LogEntry = {
-      turn: session.turn,
-      entityId: info.id,
-      entityName: info.name,
-      narrativeProse: result.narrativeProse,
-      intents: [],
-      timestamp: worldState.clock.get().toISOString(),
-    };
-
-    if (session.actorProvider.lastCalls && session.actorProvider.lastCalls.length > 0) {
-      const actorCall = session.actorProvider.lastCalls[session.actorProvider.lastCalls.length - 1];
-      entry.rawPrompt = {
-        systemPrompt: actorCall.systemPrompt,
-        userContext: actorCall.userContext,
-      };
-      entry.usage = actorCall.usage;
-    }
-
-    if (session.decoderProvider.lastCalls && session.decoderProvider.lastCalls.length > 0) {
-      const decoderCall = session.decoderProvider.lastCalls[session.decoderProvider.lastCalls.length - 1];
-      entry.decoderPrompt = {
-        systemPrompt: decoderCall.systemPrompt,
-        userContext: decoderCall.userContext,
-      };
-      entry.decoderUsage = decoderCall.usage;
-    }
-
-    for (const intent of result.intents.intents) {
-      const outcome = await session.architect.processIntent(
-        worldState,
-        intent,
-      );
-      const ts = worldState.clock.get().toISOString();
-
-      entry.intents.push({
-        type: intent.type,
-        description: intent.description,
-        targetIds: intent.targetIds,
-        isValid: outcome.isValid,
-        reason: outcome.reason,
-        minutesToAdvance: outcome.timeDelta?.minutesToAdvance,
-      });
-
-      const actorEntry = buildBufferEntryForIntent(
-        intent,
-        ts,
-        entity.locationId,
-      );
-      if (intent.type === "action") {
-        actorEntry.outcome = {
-          isValid: outcome.isValid,
-          reason: outcome.reason,
-        };
-      }
-      session.bufferRepo.save(actorEntry);
-
-      if (
-        entity.locationId &&
-        (intent.type === "dialogue" || intent.type === "action")
-      ) {
-        for (const [, other] of worldState.entities) {
-          if (
-            other.id !== info.id &&
-            other.locationId === entity.locationId
-          ) {
-            const observerEntry = buildBufferEntryForIntent(
-              intent,
-              ts,
-              entity.locationId,
-            );
-            if (intent.type === "action") {
-              observerEntry.outcome = {
-                isValid: outcome.isValid,
-                reason: outcome.reason,
-              };
-            }
-            session.bufferRepo.save({ ...observerEntry, ownerId: other.id });
-          }
-        }
-      }
-    }
-
-    session.log.push(entry);
-    session.coreRepo.saveWorldState(worldState);
-  }
-
-  private async runAliasResolution(session: SimSession): Promise<void> {
-    const worldState = session.coreRepo.loadWorldState(
-      session.worldInstanceId,
-    );
-    if (!worldState) throw new Error("World state lost");
-
-    const entities = Array.from(worldState.entities.values());
-    for (const viewer of entities) {
-      if (!viewer.locationId) continue;
-      for (const target of entities) {
-        if (viewer.id === target.id) continue;
-        if (
-          target.locationId === viewer.locationId &&
-          !viewer.aliases.has(target.id)
-        ) {
-          const alias = await session.aliasGenerator.generate(viewer, target);
-          viewer.aliases.set(target.id, alias);
-          session.coreRepo.saveEntity(viewer, worldState.id);
-        }
-      }
-    }
-  }
-
-  close(id: string): void {
-    const session = this.sessions.get(id);
-    if (session) {
-      session.db.close();
-      this.sessions.delete(id);
-    }
-  }
-
-  deleteSession(id: string): void {
-    const session = this.sessions.get(id);
-    if (session) {
-      session.db.close();
-      this.sessions.delete(id);
-    }
-    const dbDir = path.resolve(process.cwd(), "data");
-    const dbPath = path.join(dbDir, `${id}.db`);
-    if (fs.existsSync(dbPath)) {
-      try {
-        fs.unlinkSync(dbPath);
-      } catch (err) {
-        console.error(`Failed to delete session file ${dbPath}:`, err);
-      }
-    }
-  }
-
-  async load(id: string): Promise<SimSnapshot | null> {
-    const active = this.sessions.get(id);
-    if (active) {
-      return this.snapshot(active);
-    }
-
-    const dbDir = path.resolve(process.cwd(), "data");
-    const dbPath = path.join(dbDir, `${id}.db`);
-    if (!fs.existsSync(dbPath)) return null;
-
-    try {
-      const db = new Database(dbPath);
-      const state = loadSessionState(db, id);
-      if (!state) {
-        db.close();
-        return null;
-      }
-
-      const list = ProviderManager.list();
-      const active = ProviderManager.getActive("generative");
-      const mappings = state.providerMappings || {};
-
-      const resolveProviderForTask = (task: string): ILLMProvider => {
-        const mappedId = mappings[task];
-        let inst = mappedId ? list.find((p) => p.id === mappedId) : null;
-        if (!inst || inst.type !== "generative") {
-          inst = active;
-        }
-        if (!inst) {
-          const envKey = process.env.GOOGLE_API_KEY;
-          if (envKey) {
-            inst = ProviderManager.create("Default (Env)", "google-genai", envKey, undefined, "generative");
-          }
-        }
-
-        if (!inst) {
-          throw new Error(`No active LLM Provider Instance found for task "${task}". Please configure a key in Settings first.`);
-        }
-
-        if (inst.providerName === "google-genai") {
-          return new GeminiProvider(inst.apiKey, inst.modelName);
-        } else if (inst.providerName === "openrouter") {
-          return new OpenRouterProvider(inst.apiKey, inst.modelName);
-        } else {
-          return new MockLLMProvider([]);
-        }
-      };
-
-      const resolveEmbeddingProvider = (): IEmbeddingProvider => {
-        const mappedId = mappings["embeddings"];
-        let inst = mappedId ? list.find((p) => p.id === mappedId) : null;
-        if (!inst || inst.type !== "embedding") {
-          inst = ProviderManager.getActive("embedding");
-        }
-        if (!inst) {
-          const envKey = process.env.GOOGLE_API_KEY;
-          if (envKey) {
-            inst = ProviderManager.create("Default Embed (Env)", "google-genai", envKey, "gemini-embedding-001", "embedding");
-          }
-        }
-
-        if (!inst) {
-          throw new Error(`No active Embedding Provider Instance found for task "embeddings". Please configure an embedding key in Settings first.`);
-        }
-
-        if (inst.providerName === "google-genai") {
-          return new GeminiEmbeddingProvider(inst.apiKey, inst.modelName);
-        } else {
-          return new MockEmbeddingProvider(inst.modelName);
-        }
-      };
-
-      const coreRepo = new SQLiteRepository(db);
-      const bufferRepo = new BufferRepository(db);
-      const ledgerRepo = new LedgerRepository(db);
-
-      const actorProvider = resolveProviderForTask("actor-prose");
-      const validatorProvider = resolveProviderForTask("llm-validator");
-      const decoderProvider = resolveProviderForTask("intent-decoder");
-      const timedeltaProvider = resolveProviderForTask("timedelta");
-      const embeddingProvider = resolveEmbeddingProvider();
-
-      const architect = new Architect(
-        { validator: validatorProvider, timedelta: timedeltaProvider },
-        coreRepo,
-      );
-      const aliasGenerator = new AliasDeltaGenerator(actorProvider);
-
-      const session: SimSession = {
-        db,
-        dbPath,
-        coreRepo,
-        bufferRepo,
-        ledgerRepo,
-        worldInstanceId: id,
-        scenarioName: state.scenarioName,
-        scenarioDescription: state.scenarioDescription,
-        turn: state.turn,
-        maxTurns: state.maxTurns,
-        entities: state.entities || [],
-        playerEntityId: state.playerEntityId,
-        entityIndex: state.entityIndex,
-        actorProvider,
-        validatorProvider,
-        decoderProvider,
-        timedeltaProvider,
-        embeddingProvider,
-        architect,
-        aliasGenerator,
-        log: state.log || [],
-        status: state.status,
-        error: state.error,
-        waitingEntity: state.waitingEntity,
-        aliasDoneForTurn: state.aliasDoneForTurn || false,
-        providerMappings: mappings,
-      };
-
-      this.sessions.set(id, session);
-      return this.snapshot(session);
-    } catch (err) {
-      console.error(`Failed to load session ${id}:`, err);
-      return null;
-    }
-  }
-
-  listSavedSessions(): SimSnapshot[] {
-    const dbDir = path.resolve(process.cwd(), "data");
-    if (!fs.existsSync(dbDir)) return [];
-
-    const snapshots: SimSnapshot[] = [];
-    const files = fs.readdirSync(dbDir).filter(f => f.startsWith("sim-") && f.endsWith(".db"));
-
-    for (const file of files) {
-      const id = file.replace(".db", "");
-      const dbPath = path.join(dbDir, file);
-
-      const active = this.sessions.get(id);
-      if (active) {
-        snapshots.push(this.snapshot(active));
-        continue;
-      }
-
-      try {
-        const db = new Database(dbPath);
-        const state = loadSessionState(db, id);
-        db.close();
-
-        if (state) {
-          snapshots.push({
-            id,
-            status: state.status,
-            turn: state.turn,
-            maxTurns: state.maxTurns,
-            scenarioName: state.scenarioName,
-            scenarioDescription: state.scenarioDescription,
-            entities: state.entities || [],
-            log: state.log || [],
-            entityIndex: state.entityIndex,
-            waitingEntity: state.waitingEntity,
-            error: state.error,
-          });
-        }
-      } catch {
-        /* skip */
-      }
-    }
-
-    return snapshots.sort((a, b) => {
-      const tsA = parseInt(a.id.replace("sim-", ""), 10) || 0;
-      const tsB = parseInt(b.id.replace("sim-", ""), 10) || 0;
-      return tsB - tsA;
-    });
-  }
-
-  async regenerateAllEmbeddings(newProviderInstanceId?: string): Promise<void> {
-    const dbDir = path.resolve(process.cwd(), "data");
-    if (!fs.existsSync(dbDir)) return;
-
-    const files = fs.readdirSync(dbDir).filter(f => f.startsWith("sim-") && f.endsWith(".db"));
-
-    const list = ProviderManager.list();
-    let inst = newProviderInstanceId ? list.find((p) => p.id === newProviderInstanceId) : null;
-    if (!inst || inst.type !== "embedding") {
-      inst = ProviderManager.getActive("embedding");
-    }
-
-    const key = inst ? inst.apiKey : (process.env.GOOGLE_API_KEY || "");
-    const providerName = inst ? inst.providerName : "google-genai";
-    const modelName = inst ? inst.modelName : undefined;
-
-    let embeddingProvider: IEmbeddingProvider;
-    if (providerName === "google-genai") {
-      embeddingProvider = new GeminiEmbeddingProvider(key, modelName);
-    } else {
-      embeddingProvider = new MockEmbeddingProvider(modelName);
-    }
-
-    for (const file of files) {
-      const dbPath = path.join(dbDir, file);
-      const id = file.replace(".db", "");
-      const activeSession = this.sessions.get(id);
-      const db = activeSession ? activeSession.db : new Database(dbPath);
-
-      try {
-        const rows = db.prepare(`SELECT id, content FROM ledger_entries`).all() as { id: string; content: string }[];
-        
-        for (const row of rows) {
-          const vector = await embeddingProvider.embed(row.content);
-          const buffer = Buffer.from(new Float32Array(vector).buffer);
-          db.prepare(`UPDATE ledger_entries SET embedding = ? WHERE id = ?`).run(buffer, row.id);
-        }
-      } catch (err) {
-        console.error(`Failed to regenerate embeddings for ${file}:`, err);
-      } finally {
-        if (!activeSession) {
-          db.close();
-        }
-      }
-    }
-  }
-
-  private save(session: SimSession): void {
-    const state: SavedState = {
-      scenarioName: session.scenarioName,
-      scenarioDescription: session.scenarioDescription,
-      turn: session.turn,
-      maxTurns: session.maxTurns,
-      entities: session.entities,
-      playerEntityId: session.playerEntityId,
-      entityIndex: session.entityIndex,
-      status: session.status,
-      error: session.error,
-      waitingEntity: session.waitingEntity,
-      aliasDoneForTurn: session.aliasDoneForTurn,
-      log: session.log,
-      providerMappings: session.providerMappings,
-    };
-
-    session.db.prepare(`
-      CREATE TABLE IF NOT EXISTS gui_meta (
-        id TEXT PRIMARY KEY,
-        state_json TEXT
-      )
-    `).run();
-
-    session.db.prepare(`
-      INSERT INTO gui_meta (id, state_json)
-      VALUES (?, ?)
-      ON CONFLICT(id) DO UPDATE SET state_json = excluded.state_json
-    `).run(session.worldInstanceId, JSON.stringify(state));
-  }
-
-  getSnapshot(id: string): SimSnapshot | null {
-    const session = this.sessions.get(id);
-    return session ? this.snapshot(session) : null;
-  }
-
-  private snapshot(session: SimSession): SimSnapshot {
-    return {
-      id: session.worldInstanceId,
-      status: session.status,
-      turn: session.turn,
-      maxTurns: session.maxTurns,
-      scenarioName: session.scenarioName,
-      scenarioDescription: session.scenarioDescription,
-      entities: session.entities,
-      log: session.log,
-      entityIndex: session.entityIndex,
-      waitingEntity: session.waitingEntity,
-      error: session.error,
-    };
-  }
-}
-
-export const simulationManager = new SimulationManager();

apps/gui/src/lib/simulation/alias-handoff.ts

@@ -0,0 +1,71 @@
+import { HandoffEngine, checkHandoffTrigger } from "@omnia/memory";
+import type { SimSession } from "./types";
+
+/**
+ * Runs the HandoffEngine for every agent entity that has accumulated enough
+ * buffer entries to warrant a handoff (compression to long-term memory).
+ */
+export async function runHandoffResolution(session: SimSession): Promise<void> {
+  const worldState = session.coreRepo.loadWorldState(session.worldInstanceId);
+  if (!worldState) throw new Error("World state lost");
+
+  const handoffEngine = new HandoffEngine(
+    session.handoffProvider,
+    session.embeddingProvider,
+    session.bufferRepo,
+    session.ledgerRepo,
+  );
+
+  const entities = Array.from(worldState.entities.values());
+  for (const entity of entities) {
+    if (!entity.isAgent) continue;
+
+    const bufferEntries = session.bufferRepo.listForOwner(entity.id);
+    const maxContext =
+      session.handoffProvider.maxContext !== undefined
+        ? session.handoffProvider.maxContext
+        : 32768;
+
+    const trigger = checkHandoffTrigger(
+      entity,
+      bufferEntries,
+      worldState.clock.get(),
+      maxContext,
+    );
+    if (trigger !== "none") {
+      await handoffEngine.runHandoff(
+        entity,
+        bufferEntries,
+        worldState.clock.get(),
+      );
+    }
+  }
+}
+
+/**
+ * For every agent that shares a location with another entity they haven't
+ * previously encountered, generates a first-person alias description and
+ * persists it on the viewing entity.
+ */
+export async function runAliasResolution(session: SimSession): Promise<void> {
+  const worldState = session.coreRepo.loadWorldState(session.worldInstanceId);
+  if (!worldState) throw new Error("World state lost");
+
+  const entities = Array.from(worldState.entities.values());
+  for (const viewer of entities) {
+    if (!viewer.isAgent) continue;
+    if (!viewer.locationId) continue;
+
+    for (const target of entities) {
+      if (viewer.id === target.id) continue;
+      if (
+        target.locationId === viewer.locationId &&
+        !viewer.aliases.has(target.id)
+      ) {
+        const alias = await session.aliasGenerator.generate(viewer, target);
+        viewer.aliases.set(target.id, alias);
+        session.coreRepo.saveEntity(viewer, worldState.id);
+      }
+    }
+  }
+}

apps/gui/src/lib/simulation/env.ts

@@ -0,0 +1,16 @@
+import dotenv from "dotenv";
+import path from "path";
+import fs from "fs";
+
+// Load .env from monorepo root or apps/gui/
+const cwd = process.cwd();
+const envCandidates = [
+  path.resolve(cwd, ".env"),
+  path.resolve(cwd, "../../.env"),
+];
+for (const c of envCandidates) {
+  if (fs.existsSync(c) && fs.statSync(c).isFile()) {
+    dotenv.config({ path: c });
+    break;
+  }
+}

apps/gui/src/lib/simulation/index.ts

@@ -0,0 +1,17 @@
+/**
+ * Barrel entry point for the simulation module.
+ *
+ * Consumers import from "@/lib/simulation" exactly as before — no import
+ * paths need to change anywhere in the codebase.
+ */
+import { SimulationManager } from "./simulation-manager";
+
+export const simulationManager = new SimulationManager();
+
+export type {
+  SimSnapshot,
+  EntityInfo,
+  LogEntry,
+  IntentInfo,
+  WaitingContext,
+} from "../simulation-types";

apps/gui/src/lib/simulation/provider-resolver.ts

@@ -0,0 +1,146 @@
+import {
+  MockLLMProvider,
+  MockEmbeddingProvider,
+  ProviderManager,
+  buildLLMProvider,
+  buildEmbeddingProvider,
+} from "@omnia/llm";
+import type {
+  ILLMProvider,
+  IEmbeddingProvider,
+  ModelProviderInstance,
+} from "@omnia/llm";
+
+// ---------------------------------------------------------------------------
+// Public types
+// ---------------------------------------------------------------------------
+
+export interface ResolvedProviders {
+  actorProvider: ILLMProvider;
+  validatorProvider: ILLMProvider;
+  decoderProvider: ILLMProvider;
+  timedeltaProvider: ILLMProvider;
+  handoffProvider: ILLMProvider;
+  embeddingProvider: IEmbeddingProvider;
+}
+
+export interface ProviderResolverOptions {
+  /**
+   * Pre-resolved generative instance to fall back to when ProviderManager has
+   * no active generative provider (e.g. when the caller already validated a
+   * specific provider during session creation).
+   */
+  fallbackInstance?: ModelProviderInstance | null;
+  /**
+   * When true, throws an Error if no provider can be resolved for a task.
+   * When false (default), falls back silently to MockLLMProvider / MockEmbeddingProvider.
+   */
+  required?: boolean;
+}
+
+// ---------------------------------------------------------------------------
+// Resolution logic
+// ---------------------------------------------------------------------------
+
+/**
+// Public API
+// ---------------------------------------------------------------------------
+
+/**
+ * Resolves all six LLM + embedding providers needed for a simulation session.
+ *
+ * Resolution order for each generative task:
+ *  1. Task-specific mapping from ProviderManager (via `mappings[task]`)
+ *  2. ProviderManager active generative instance
+ *  3. `fallbackInstance` (if supplied)
+ *  4. GOOGLE_API_KEY env var → auto-creates a temporary GeminiProvider
+ *  5. Throws (if `required`) or returns MockLLMProvider
+ */
+export function resolveProviders(
+  mappings: Record<string, string>,
+  options: ProviderResolverOptions = {},
+): ResolvedProviders {
+  const { fallbackInstance = null, required = false } = options;
+  const list = ProviderManager.list();
+  const activeGenerative =
+    ProviderManager.getActive("generative") ?? fallbackInstance ?? null;
+
+  const resolveGenerative = (task: string): ILLMProvider => {
+    const mappedId = mappings[task];
+    let inst: ModelProviderInstance | null = mappedId
+      ? (list.find((p) => p.id === mappedId) ?? null)
+      : null;
+
+    if (!inst || inst.type !== "generative") {
+      inst = activeGenerative;
+    }
+
+    if (!inst) {
+      const envKey = process.env.GOOGLE_API_KEY;
+      if (envKey) {
+        inst = ProviderManager.create(
+          "Default (Env)",
+          "google-genai",
+          envKey,
+          undefined,
+          "generative",
+        );
+      }
+    }
+
+    if (!inst) {
+      if (required) {
+        throw new Error(
+          `No active LLM Provider Instance found for task "${task}". Please configure a key in Settings first.`,
+        );
+      }
+      return new MockLLMProvider([]);
+    }
+
+    return buildLLMProvider(inst);
+  };
+
+  const resolveEmbedding = (): IEmbeddingProvider => {
+    const mappedId = mappings["embeddings"];
+    let inst: ModelProviderInstance | null = mappedId
+      ? (list.find((p) => p.id === mappedId) ?? null)
+      : null;
+
+    if (!inst || inst.type !== "embedding") {
+      inst = ProviderManager.getActive("embedding");
+    }
+
+    if (!inst) {
+      const envKey = process.env.GOOGLE_API_KEY;
+      if (envKey) {
+        inst = ProviderManager.create(
+          "Default Embed (Env)",
+          "google-genai",
+          envKey,
+          "gemini-embedding-001",
+          "embedding",
+        );
+      }
+    }
+
+    if (!inst) {
+      if (required) {
+        throw new Error(
+          `No active Embedding Provider Instance found. Please configure an embedding key in Settings first.`,
+        );
+      }
+      return new MockEmbeddingProvider(undefined);
+    }
+
+    return buildEmbeddingProvider(inst);
+  };
+
+  return {
+    actorProvider: resolveGenerative("actor-prose"),
+    validatorProvider: resolveGenerative("llm-validator"),
+    decoderProvider: resolveGenerative("intent-decoder"),
+    timedeltaProvider: resolveGenerative("timedelta"),
+    handoffProvider: resolveGenerative("handoff"),
+    embeddingProvider: resolveEmbedding(),
+  };
+}

apps/gui/src/lib/simulation/session-store.ts

@@ -0,0 +1,139 @@
+import Database from "better-sqlite3";
+import path from "path";
+import fs from "fs";
+import type { SimSession, SavedState } from "./types";
+import type { SimSnapshot } from "../simulation-types";
+
+export const DATA_DIR = path.resolve(process.cwd(), "data");
+
+// ---------------------------------------------------------------------------
+// Low-level read/write helpers
+// ---------------------------------------------------------------------------
+
+export function loadSessionState(
+  db: Database.Database,
+  id: string,
+): SavedState | null {
+  try {
+    db.prepare(
+      `CREATE TABLE IF NOT EXISTS gui_meta (
+        id TEXT PRIMARY KEY,
+        state_json TEXT
+      )`,
+    ).run();
+    const row = db
+      .prepare(`SELECT state_json FROM gui_meta WHERE id = ?`)
+      .get(id) as { state_json: string } | undefined;
+    return row ? (JSON.parse(row.state_json) as SavedState) : null;
+  } catch {
+    return null;
+  }
+}
+
+export function saveSession(session: SimSession): void {
+  const state: SavedState = {
+    scenarioName: session.scenarioName,
+    scenarioDescription: session.scenarioDescription,
+    turn: session.turn,
+    maxTurns: session.maxTurns,
+    entities: session.entities,
+    playerEntityId: session.playerEntityId,
+    entityIndex: session.entityIndex,
+    status: session.status,
+    error: session.error,
+    waitingEntity: session.waitingEntity,
+    aliasDoneForTurn: session.aliasDoneForTurn,
+    log: session.log,
+    providerMappings: session.providerMappings,
+  };
+
+  session.db
+    .prepare(
+      `CREATE TABLE IF NOT EXISTS gui_meta (
+        id TEXT PRIMARY KEY,
+        state_json TEXT
+      )`,
+    )
+    .run();
+
+  session.db
+    .prepare(
+      `INSERT INTO gui_meta (id, state_json)
+       VALUES (?, ?)
+       ON CONFLICT(id) DO UPDATE SET state_json = excluded.state_json`,
+    )
+    .run(session.worldInstanceId, JSON.stringify(state));
+}
+
+// ---------------------------------------------------------------------------
+// Session file management
+// ---------------------------------------------------------------------------
+
+export function deleteSessionFile(id: string): void {
+  const dbPath = path.join(DATA_DIR, `${id}.db`);
+  if (fs.existsSync(dbPath)) {
+    try {
+      fs.unlinkSync(dbPath);
+    } catch (err) {
+      console.error(`Failed to delete session file ${dbPath}:`, err);
+    }
+  }
+}
+
+/**
+ * Lists all saved simulation snapshots by scanning the data directory.
+ * Active in-memory sessions are snapshotted via the provided callback;
+ * inactive ones are read directly from their `.db` files.
+ */
+export function listSavedSessions(
+  activeSessions: Map<string, SimSession>,
+  snapshotFn: (session: SimSession) => SimSnapshot,
+): SimSnapshot[] {
+  if (!fs.existsSync(DATA_DIR)) return [];
+
+  const snapshots: SimSnapshot[] = [];
+  const files = fs
+    .readdirSync(DATA_DIR)
+    .filter((f) => f.startsWith("sim-") && f.endsWith(".db"));
+
+  for (const file of files) {
+    const id = file.replace(".db", "");
+    const dbPath = path.join(DATA_DIR, file);
+
+    const active = activeSessions.get(id);
+    if (active) {
+      snapshots.push(snapshotFn(active));
+      continue;
+    }
+
+    try {
+      const db = new Database(dbPath);
+      const state = loadSessionState(db, id);
+      db.close();
+
+      if (state) {
+        snapshots.push({
+          id,
+          status: state.status,
+          turn: state.turn,
+          maxTurns: state.maxTurns,
+          scenarioName: state.scenarioName,
+          scenarioDescription: state.scenarioDescription,
+          entities: state.entities || [],
+          log: state.log || [],
+          entityIndex: state.entityIndex,
+          waitingEntity: state.waitingEntity,
+          error: state.error,
+        });
+      }
+    } catch {
+      /* skip corrupt / in-use db files */
+    }
+  }
+
+  return snapshots.sort((a, b) => {
+    const tsA = parseInt(a.id.replace("sim-", ""), 10) || 0;
+    const tsB = parseInt(b.id.replace("sim-", ""), 10) || 0;
+    return tsB - tsA;
+  });
+}

apps/gui/src/lib/simulation/simulation-manager.ts

@@ -0,0 +1,485 @@
+import "./env"; // Must be first — loads .env before any code reads process.env
+import Database from "better-sqlite3";
+import path from "path";
+import fs from "fs";
+import { SQLiteRepository } from "@omnia/core";
+import { BufferRepository, LedgerRepository } from "@omnia/memory";
+import { Architect, AliasDeltaGenerator } from "@omnia/architect";
+import { ProviderManager, buildEmbeddingProvider } from "@omnia/llm";
+import type { ModelProviderInstance, IEmbeddingProvider } from "@omnia/llm";
+import { ScenarioLoader } from "@omnia/scenario";
+import type { SimSnapshot } from "../simulation-types";
+import type { SimSession, EntityInfo } from "./types";
+import { resolveProviders } from "./provider-resolver";
+import {
+  DATA_DIR,
+  loadSessionState,
+  saveSession,
+  listSavedSessions,
+  deleteSessionFile,
+} from "./session-store";
+import {
+  preparePlayerTurn,
+  processNpcTurn,
+  executePlayerAction,
+} from "./turn-executor";
+import { runAliasResolution, runHandoffResolution } from "./alias-handoff";
+
+export class SimulationManager {
+  private sessions = new Map<string, SimSession>();
+
+  // ---------------------------------------------------------------------------
+  // Session lifecycle
+  // ---------------------------------------------------------------------------
+
+  async create(
+    scenarioPath: string,
+    playEntityName?: string,
+    providerInstanceId?: string,
+    customName?: string,
+  ): Promise<SimSnapshot> {
+    // Resolve or validate the active generative provider upfront so we can
+    // return a clean error snapshot before touching the filesystem.
+    let activeInstance: ModelProviderInstance | null = providerInstanceId
+      ? ProviderManager.list().find((p) => p.id === providerInstanceId) || null
+      : ProviderManager.getActive("generative");
+
+    if (!activeInstance) {
+      const envKey = process.env.GOOGLE_API_KEY;
+      if (envKey) {
+        activeInstance = ProviderManager.create(
+          "Default (Env)",
+          "google-genai",
+          envKey,
+          undefined,
+          "generative",
+        );
+      }
+    }
+    if (!activeInstance) {
+      return {
+        id: "",
+        status: "error",
+        turn: 0,
+        maxTurns: 20,
+        scenarioName: "",
+        scenarioDescription: "",
+        entities: [],
+        log: [],
+        entityIndex: 0,
+        error:
+          "No active LLM Provider Instance found. Please configure a key in Settings first.",
+      };
+    }
+
+    const scenarioJson = JSON.parse(fs.readFileSync(scenarioPath, "utf-8"));
+    const id = `sim-${Date.now()}`;
+
+    fs.mkdirSync(DATA_DIR, { recursive: true });
+    const dbPath = path.join(DATA_DIR, `${id}.db`);
+    const db = new Database(dbPath);
+    const coreRepo = new SQLiteRepository(db);
+    const bufferRepo = new BufferRepository(db);
+    const ledgerRepo = new LedgerRepository(db);
+    const loader = new ScenarioLoader(coreRepo, bufferRepo);
+
+    const worldInstanceId = id;
+    await loader.initializeWorld(scenarioJson, worldInstanceId);
+
+    const worldState = coreRepo.loadWorldState(worldInstanceId);
+    if (!worldState) {
+      db.close();
+      return {
+        id: "",
+        status: "error",
+        turn: 0,
+        maxTurns: 20,
+        scenarioName: "",
+        scenarioDescription: "",
+        entities: [],
+        log: [],
+        entityIndex: 0,
+        error: "Failed to load world state after initialization.",
+      };
+    }
+
+    // Build entity list
+    const rawEntities = Array.from(worldState.entities.values());
+    const entityInfos: EntityInfo[] = rawEntities.map((e) => ({
+      id: e.id,
+      name: (e.attributes.get("name")?.getValue() as string) || e.id,
+      isPlayer: false,
+      isAgent: e.isAgent,
+    }));
+
+    // Resolve player entity (exact match → name match → fuzzy)
+    let playerEntityId: string | undefined;
+    if (playEntityName) {
+      let matched = worldState.getEntity(playEntityName);
+      if (!matched) {
+        for (const ent of rawEntities) {
+          const nameAttr = ent.attributes.get("name")?.getValue() as
+            string | undefined;
+          if (nameAttr?.toLowerCase() === playEntityName.toLowerCase()) {
+            matched = ent;
+            break;
+          }
+        }
+      }
+      if (!matched) {
+        for (const ent of rawEntities) {
+          const nameAttr = ent.attributes.get("name")?.getValue() as
+            string | undefined;
+          if (
+            nameAttr?.toLowerCase().includes(playEntityName.toLowerCase()) ||
+            ent.id.toLowerCase().includes(playEntityName.toLowerCase())
+          ) {
+            matched = ent;
+            break;
+          }
+        }
+      }
+      if (matched) {
+        playerEntityId = matched.id;
+        const info = entityInfos.find((e) => e.id === matched!.id);
+        if (info) info.isPlayer = true;
+      }
+    }
+
+    const mappings = ProviderManager.getMappings();
+    const {
+      actorProvider,
+      validatorProvider,
+      decoderProvider,
+      timedeltaProvider,
+      handoffProvider,
+      embeddingProvider,
+    } = resolveProviders(mappings, { fallbackInstance: activeInstance });
+
+    const architect = new Architect(
+      { validator: validatorProvider, timedelta: timedeltaProvider },
+      coreRepo,
+    );
+    const aliasGenerator = new AliasDeltaGenerator(actorProvider);
+
+    const session: SimSession = {
+      db,
+      dbPath,
+      coreRepo,
+      bufferRepo,
+      ledgerRepo,
+      worldInstanceId,
+      scenarioName: customName || scenarioJson.name,
+      scenarioDescription: scenarioJson.description || "",
+      turn: 1,
+      maxTurns: 20,
+      entities: entityInfos,
+      playerEntityId,
+      entityIndex: 0,
+      actorProvider,
+      validatorProvider,
+      decoderProvider,
+      timedeltaProvider,
+      handoffProvider,
+      embeddingProvider,
+      architect,
+      aliasGenerator,
+      log: [],
+      status: "running",
+      aliasDoneForTurn: false,
+      providerMappings: mappings,
+    };
+
+    this.sessions.set(id, session);
+    return this.snapshot(session);
+  }
+
+  async load(id: string): Promise<SimSnapshot | null> {
+    const active = this.sessions.get(id);
+    if (active) return this.snapshot(active);
+
+    const dbPath = path.join(DATA_DIR, `${id}.db`);
+    if (!fs.existsSync(dbPath)) return null;
+
+    try {
+      const db = new Database(dbPath);
+      const state = loadSessionState(db, id);
+      if (!state) {
+        db.close();
+        return null;
+      }
+
+      const mappings = state.providerMappings || {};
+      const {
+        actorProvider,
+        validatorProvider,
+        decoderProvider,
+        timedeltaProvider,
+        handoffProvider,
+        embeddingProvider,
+      } = resolveProviders(mappings, { required: true });
+
+      const coreRepo = new SQLiteRepository(db);
+      const bufferRepo = new BufferRepository(db);
+      const ledgerRepo = new LedgerRepository(db);
+      const architect = new Architect(
+        { validator: validatorProvider, timedelta: timedeltaProvider },
+        coreRepo,
+      );
+      const aliasGenerator = new AliasDeltaGenerator(actorProvider);
+
+      const session: SimSession = {
+        db,
+        dbPath,
+        coreRepo,
+        bufferRepo,
+        ledgerRepo,
+        worldInstanceId: id,
+        scenarioName: state.scenarioName,
+        scenarioDescription: state.scenarioDescription,
+        turn: state.turn,
+        maxTurns: state.maxTurns,
+        entities: state.entities || [],
+        playerEntityId: state.playerEntityId,
+        entityIndex: state.entityIndex,
+        actorProvider,
+        validatorProvider,
+        decoderProvider,
+        timedeltaProvider,
+        handoffProvider,
+        embeddingProvider,
+        architect,
+        aliasGenerator,
+        log: state.log || [],
+        status: state.status,
+        error: state.error,
+        waitingEntity: state.waitingEntity,
+        aliasDoneForTurn: state.aliasDoneForTurn || false,
+        providerMappings: mappings,
+      };
+
+      this.sessions.set(id, session);
+      return this.snapshot(session);
+    } catch (err) {
+      console.error(`Failed to load session ${id}:`, err);
+      return null;
+    }
+  }
+
+  close(id: string): void {
+    const session = this.sessions.get(id);
+    if (session) {
+      session.db.close();
+      this.sessions.delete(id);
+    }
+  }
+
+  deleteSession(id: string): void {
+    const session = this.sessions.get(id);
+    if (session) {
+      session.db.close();
+      this.sessions.delete(id);
+    }
+    deleteSessionFile(id);
+  }
+
+  listSavedSessions(): SimSnapshot[] {
+    return listSavedSessions(this.sessions, (s) => this.snapshot(s));
+  }
+
+  getSnapshot(id: string): SimSnapshot | null {
+    const session = this.sessions.get(id);
+    return session ? this.snapshot(session) : null;
+  }
+
+  async rename(id: string, newName: string): Promise<SimSnapshot | null> {
+    let session = this.sessions.get(id);
+    if (!session) {
+      await this.load(id);
+      session = this.sessions.get(id);
+    }
+    if (!session) return null;
+
+    session.scenarioName = newName;
+    saveSession(session);
+    return this.snapshot(session);
+  }
+
+  // ---------------------------------------------------------------------------
+  // Simulation stepping
+  // ---------------------------------------------------------------------------
+
+  async step(id: string): Promise<SimSnapshot | null> {
+    const session = this.sessions.get(id);
+    if (!session) return null;
+    if (session.status !== "running") return this.snapshot(session);
+
+    try {
+      if (session.turn > session.maxTurns) {
+        session.status = "done";
+        saveSession(session);
+        return this.snapshot(session);
+      }
+
+      // Start of turn: alias + handoff resolution before any entity acts
+      if (!session.aliasDoneForTurn && session.entityIndex === 0) {
+        await runAliasResolution(session);
+        await runHandoffResolution(session);
+        session.aliasDoneForTurn = true;
+        saveSession(session);
+        return this.snapshot(session);
+      }
+
+      // End of turn: advance to next turn
+      if (session.entityIndex >= session.entities.length) {
+        session.turn++;
+        session.entityIndex = 0;
+        session.aliasDoneForTurn = false;
+        saveSession(session);
+        return this.snapshot(session);
+      }
+
+      const info = session.entities[session.entityIndex];
+
+      if (!info.isAgent) {
+        session.entityIndex++;
+        saveSession(session);
+        return this.snapshot(session);
+      }
+
+      if (info.isPlayer) {
+        await preparePlayerTurn(session, info);
+        saveSession(session);
+        return this.snapshot(session);
+      }
+
+      await processNpcTurn(session, info);
+      session.entityIndex++;
+    } catch (err) {
+      session.status = "error";
+      session.error = err instanceof Error ? err.message : String(err);
+    }
+
+    saveSession(session);
+    return this.snapshot(session);
+  }
+
+  async submitPlayerAction(
+    id: string,
+    prose: string,
+  ): Promise<SimSnapshot | null> {
+    const session = this.sessions.get(id);
+    if (!session) return null;
+    if (session.status !== "waiting_player") return this.snapshot(session);
+    if (!session.waitingEntity) return this.snapshot(session);
+
+    const ctx = session.waitingEntity;
+    session.waitingEntity = undefined;
+    session.status = "running";
+
+    try {
+      await executePlayerAction(session, ctx, prose);
+      session.entityIndex++;
+    } catch (err) {
+      session.status = "error";
+      session.error = err instanceof Error ? err.message : String(err);
+    }
+
+    saveSession(session);
+    return this.snapshot(session);
+  }
+
+  // ---------------------------------------------------------------------------
+  // Utility
+  // ---------------------------------------------------------------------------
+
+  async regenerateAllEmbeddings(newProviderInstanceId?: string): Promise<void> {
+    if (!fs.existsSync(DATA_DIR)) return;
+
+    const files = fs
+      .readdirSync(DATA_DIR)
+      .filter((f) => f.startsWith("sim-") && f.endsWith(".db"));
+
+    const list = ProviderManager.list();
+    let inst = newProviderInstanceId
+      ? (list.find((p) => p.id === newProviderInstanceId) ?? null)
+      : null;
+    if (!inst || inst.type !== "embedding") {
+      inst = ProviderManager.getActive("embedding");
+    }
+
+    if (!inst) {
+      const envKey = process.env.GOOGLE_API_KEY || "";
+      if (envKey) {
+        inst = {
+          id: "regen-env-fallback",
+          name: "Gemini Embed (Env)",
+          providerName: "google-genai",
+          apiKey: envKey,
+          isActive: true,
+          modelName: "gemini-embedding-001",
+          type: "embedding",
+          maxContext: 0,
+        };
+      } else {
+        inst = {
+          id: "regen-mock-fallback",
+          name: "Mock Embed (Fallback)",
+          providerName: "mock",
+          apiKey: "",
+          isActive: true,
+          modelName: undefined,
+          type: "embedding",
+          maxContext: 0,
+        };
+      }
+    }
+
+    const embeddingProvider: IEmbeddingProvider = buildEmbeddingProvider(inst);
+
+    for (const file of files) {
+      const dbPath = path.join(DATA_DIR, file);
+      const fileId = file.replace(".db", "");
+      const activeSession = this.sessions.get(fileId);
+      const db = activeSession ? activeSession.db : new Database(dbPath);
+
+      try {
+        const rows = db
+          .prepare(`SELECT id, content FROM ledger_entries`)
+          .all() as { id: string; content: string }[];
+
+        for (const row of rows) {
+          const vector = await embeddingProvider.embed(row.content);
+          const buffer = Buffer.from(new Float32Array(vector).buffer);
+          db.prepare(
+            `UPDATE ledger_entries SET embedding = ? WHERE id = ?`,
+          ).run(buffer, row.id);
+        }
+      } catch (err) {
+        console.error(`Failed to regenerate embeddings for ${file}:`, err);
+      } finally {
+        if (!activeSession) db.close();
+      }
+    }
+  }
+
+  // ---------------------------------------------------------------------------
+  // Private
+  // ---------------------------------------------------------------------------
+
+  private snapshot(session: SimSession): SimSnapshot {
+    return {
+      id: session.worldInstanceId,
+      status: session.status,
+      turn: session.turn,
+      maxTurns: session.maxTurns,
+      scenarioName: session.scenarioName,
+      scenarioDescription: session.scenarioDescription,
+      entities: session.entities,
+      log: session.log,
+      entityIndex: session.entityIndex,
+      waitingEntity: session.waitingEntity,
+      error: session.error,
+    };
+  }
+}

apps/gui/src/lib/simulation/turn-executor.ts

@@ -0,0 +1,277 @@
+import {
+  ActorAgent,
+  ActorPromptBuilder,
+  buildBufferEntryForIntent,
+} from "@omnia/actor";
+import type { IActorProseGenerator } from "@omnia/actor";
+import type { SimSession } from "./types";
+import type {
+  EntityInfo,
+  IntentInfo,
+  LogEntry,
+  WaitingContext,
+} from "../simulation-types";
+
+// ---------------------------------------------------------------------------
+// Internal helpers
+// ---------------------------------------------------------------------------
+
+/** Prose generator that returns a fixed player-supplied string verbatim. */
+class FixedProseGenerator implements IActorProseGenerator {
+  constructor(private prose: string) {}
+
+  async generate(
+    entityId: string,
+    systemPrompt: string,
+    userContext: string,
+  ): Promise<string> {
+    void entityId;
+    void systemPrompt;
+    void userContext;
+    return this.prose;
+  }
+}
+
+/**
+ * Processes every intent produced by an actor turn:
+ * - Validates via Architect
+ * - Appends to actor's own buffer
+ * - Fan-outs to co-located observers for dialogue/action intents
+ *
+ * Extracted to eliminate verbatim duplication between NPC and player paths.
+ */
+async function processIntents(
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  intents: any[],
+  actorEntityId: string,
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  entity: any,
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  worldState: any,
+  session: SimSession,
+): Promise<IntentInfo[]> {
+  const intentInfos: IntentInfo[] = [];
+
+  for (const intent of intents) {
+    const outcome = await session.architect.processIntent(worldState, intent);
+    const ts = worldState.clock.get().toISOString();
+
+    intentInfos.push({
+      type: intent.type,
+      description: intent.description,
+      selfDescription: intent.selfDescription,
+      modifiers: intent.modifiers || [],
+      targetIds: intent.targetIds,
+      isValid: outcome.isValid,
+      reason: outcome.reason,
+      minutesToAdvance: outcome.timeDelta?.minutesToAdvance,
+    });
+
+    const actorEntry = buildBufferEntryForIntent(intent, ts, entity.locationId);
+    if (intent.type === "action") {
+      actorEntry.outcome = { isValid: outcome.isValid, reason: outcome.reason };
+    }
+    session.bufferRepo.save(actorEntry);
+
+    // Fan-out observable events to co-located entities
+    if (
+      entity.locationId &&
+      (intent.type === "dialogue" || intent.type === "action")
+    ) {
+      for (const [, other] of worldState.entities) {
+        if (
+          other.id !== actorEntityId &&
+          other.locationId === entity.locationId
+        ) {
+          const observerEntry = buildBufferEntryForIntent(
+            intent,
+            ts,
+            entity.locationId,
+          );
+          if (intent.type === "action") {
+            observerEntry.outcome = {
+              isValid: outcome.isValid,
+              reason: outcome.reason,
+            };
+          }
+          session.bufferRepo.save({ ...observerEntry, ownerId: other.id });
+        }
+      }
+    }
+  }
+
+  return intentInfos;
+}
+
+// ---------------------------------------------------------------------------
+// Exported turn functions
+// ---------------------------------------------------------------------------
+
+/**
+ * Builds the prompt for the player entity and sets the session to
+ * `waiting_player` so the next client call can supply the prose.
+ */
+export async function preparePlayerTurn(
+  session: SimSession,
+  info: EntityInfo,
+): Promise<void> {
+  const worldState = session.coreRepo.loadWorldState(session.worldInstanceId);
+  if (!worldState) throw new Error("World state lost");
+
+  const entity = worldState.getEntity(info.id);
+  if (!entity) throw new Error(`Entity "${info.id}" not found`);
+
+  const promptBuilder = new ActorPromptBuilder(
+    session.bufferRepo,
+    session.ledgerRepo,
+    20,
+  );
+  const { systemPrompt, userContext } = promptBuilder.build(worldState, entity);
+
+  session.waitingEntity = {
+    entityId: info.id,
+    name: info.name,
+    systemPrompt,
+    userContext,
+  };
+  session.status = "waiting_player";
+}
+
+/**
+ * Runs an autonomous NPC turn: generates prose via ActorAgent, validates
+ * and persists all intents, and appends a LogEntry to the session.
+ */
+export async function processNpcTurn(
+  session: SimSession,
+  info: EntityInfo,
+): Promise<void> {
+  const worldState = session.coreRepo.loadWorldState(session.worldInstanceId);
+  if (!worldState) throw new Error("World state lost");
+
+  const entity = worldState.getEntity(info.id);
+  if (!entity) throw new Error(`Entity "${info.id}" not found`);
+
+  const actor = new ActorAgent(
+    { actor: session.actorProvider, decoder: session.decoderProvider },
+    session.bufferRepo,
+    session.ledgerRepo,
+    20,
+  );
+  const result = await actor.act(worldState, entity);
+
+  const entry: LogEntry = {
+    turn: session.turn,
+    entityId: info.id,
+    entityName: info.name,
+    narrativeProse: result.narrativeProse,
+    intents: [],
+    timestamp: worldState.clock.get().toISOString(),
+  };
+
+  if (
+    session.actorProvider.lastCalls &&
+    session.actorProvider.lastCalls.length > 0
+  ) {
+    const actorCall =
+      session.actorProvider.lastCalls[
+        session.actorProvider.lastCalls.length - 1
+      ];
+    entry.rawPrompt = {
+      systemPrompt: actorCall.systemPrompt,
+      userContext: actorCall.userContext,
+    };
+    entry.usage = actorCall.usage;
+  }
+
+  if (
+    session.decoderProvider.lastCalls &&
+    session.decoderProvider.lastCalls.length > 0
+  ) {
+    const decoderCall =
+      session.decoderProvider.lastCalls[
+        session.decoderProvider.lastCalls.length - 1
+      ];
+    entry.decoderPrompt = {
+      systemPrompt: decoderCall.systemPrompt,
+      userContext: decoderCall.userContext,
+    };
+    entry.decoderUsage = decoderCall.usage;
+  }
+
+  entry.intents = await processIntents(
+    result.intents.intents,
+    info.id,
+    entity,
+    worldState,
+    session,
+  );
+
+  session.log.push(entry);
+  session.coreRepo.saveWorldState(worldState);
+}
+
+/**
+ * Executes the player's turn using the prose they supplied.
+ * Uses a `FixedProseGenerator` so the ActorAgent bypasses its LLM call and
+ * returns the player's text directly.
+ */
+export async function executePlayerAction(
+  session: SimSession,
+  ctx: WaitingContext,
+  prose: string,
+): Promise<void> {
+  const worldState = session.coreRepo.loadWorldState(session.worldInstanceId);
+  if (!worldState) throw new Error("World state lost");
+
+  const entity = worldState.getEntity(ctx.entityId);
+  if (!entity) throw new Error(`Player entity "${ctx.entityId}" not found`);
+
+  const playerActor = new ActorAgent(
+    { actor: session.actorProvider, decoder: session.decoderProvider },
+    session.bufferRepo,
+    session.ledgerRepo,
+    20,
+    new FixedProseGenerator(prose),
+  );
+
+  const result = await playerActor.act(worldState, entity);
+
+  const entry: LogEntry = {
+    turn: session.turn,
+    entityId: ctx.entityId,
+    entityName: ctx.name,
+    narrativeProse: result.narrativeProse,
+    intents: [],
+    timestamp: worldState.clock.get().toISOString(),
+    rawPrompt: {
+      systemPrompt: ctx.systemPrompt,
+      userContext: ctx.userContext,
+    },
+  };
+
+  if (
+    session.decoderProvider.lastCalls &&
+    session.decoderProvider.lastCalls.length > 0
+  ) {
+    const call =
+      session.decoderProvider.lastCalls[
+        session.decoderProvider.lastCalls.length - 1
+      ];
+    entry.decoderPrompt = {
+      systemPrompt: call.systemPrompt,
+      userContext: call.userContext,
+    };
+    entry.decoderUsage = call.usage;
+  }
+
+  entry.intents = await processIntents(
+    result.intents.intents,
+    ctx.entityId,
+    entity,
+    worldState,
+    session,
+  );
+
+  session.log.push(entry);
+  session.coreRepo.saveWorldState(worldState);
+}

apps/gui/src/lib/simulation/types.ts

@@ -0,0 +1,68 @@
+import type Database from "better-sqlite3";
+import type { SQLiteRepository } from "@omnia/core";
+import type { BufferRepository, LedgerRepository } from "@omnia/memory";
+import type { Architect, AliasDeltaGenerator } from "@omnia/architect";
+import type { ILLMProvider, IEmbeddingProvider } from "@omnia/llm";
+import type { EntityInfo, LogEntry, WaitingContext } from "../simulation-types";
+
+export type {
+  EntityInfo,
+  IntentInfo,
+  LogEntry,
+  SimSnapshot,
+  WaitingContext,
+} from "../simulation-types";
+
+// ---------------------------------------------------------------------------
+// Persisted state (written to sqlite gui_meta table as JSON)
+// ---------------------------------------------------------------------------
+
+export interface SavedState {
+  scenarioName: string;
+  scenarioDescription: string;
+  turn: number;
+  maxTurns: number;
+  entities: EntityInfo[];
+  playerEntityId: string | undefined;
+  entityIndex: number;
+  status: "running" | "waiting_player" | "done" | "error";
+  error?: string;
+  waitingEntity?: WaitingContext;
+  aliasDoneForTurn: boolean;
+  log: LogEntry[];
+  providerMappings: Record<string, string>;
+}
+
+// ---------------------------------------------------------------------------
+// In-memory session (held in SimulationManager.sessions Map)
+// ---------------------------------------------------------------------------
+
+export interface SimSession {
+  db: Database.Database;
+  dbPath: string;
+  coreRepo: SQLiteRepository;
+  bufferRepo: BufferRepository;
+  ledgerRepo: LedgerRepository;
+  worldInstanceId: string;
+  scenarioName: string;
+  scenarioDescription: string;
+  turn: number;
+  maxTurns: number;
+  entities: EntityInfo[];
+  playerEntityId: string | undefined;
+  entityIndex: number;
+  actorProvider: ILLMProvider;
+  validatorProvider: ILLMProvider;
+  decoderProvider: ILLMProvider;
+  timedeltaProvider: ILLMProvider;
+  handoffProvider: ILLMProvider;
+  embeddingProvider: IEmbeddingProvider;
+  architect: Architect;
+  aliasGenerator: AliasDeltaGenerator;
+  log: LogEntry[];
+  status: "running" | "waiting_player" | "done" | "error";
+  error?: string;
+  waitingEntity?: WaitingContext;
+  aliasDoneForTurn: boolean;
+  providerMappings: Record<string, string>;
+}

apps/gui/src/lib/utils.ts

@@ -0,0 +1,6 @@
+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}

apps/gui/tailwind.config.ts

@@ -1,11 +0,0 @@
-import type { Config } from "tailwindcss";
-
-const config: Config = {
-  content: ["./src/**/*.{js,ts,jsx,tsx,mdx}"],
-  theme: {
-    extend: {},
-  },
-  plugins: [],
-};
-
-export default config;

apps/gui/tsconfig.json

@@ -1,11 +1,7 @@
 {
   "compilerOptions": {
     "target": "ES2022",
-    "lib": [
-      "dom",
-      "dom.iterable",
-      "esnext"
-    ],
+    "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
     "skipLibCheck": true,
     "strict": true,
@@ -23,9 +19,7 @@
       }
     ],
     "paths": {
-      "@/*": [
-        "./src/*"
-      ]
+      "@/*": ["./src/*"]
     }
   },
   "include": [
@@ -35,7 +29,5 @@
     ".next/types/**/*.ts",
     ".next/dev/types/**/*.ts"
   ],
-  "exclude": [
-    "node_modules"
-  ]
+  "exclude": ["node_modules"]
 }

content/demo/scenarios/talking-room.json

@@ -11,12 +11,6 @@
         "visibility": "PRIVATE",
         "allowedEntities": []
       },
-      {
-        "name": "observation_status",
-        "value": "Active monitoring. Audio and visual feeds online.",
-        "visibility": "PRIVATE",
-        "allowedEntities": []
-      },
       {
         "name": "ambient_sound",
         "value": "A low, barely audible electrical hum.",
@@ -54,6 +48,11 @@
           "visibility": "PRIVATE",
           "allowedEntities": ["7c9b83b3-8cfb-4e89-8d77-626a5757d591"]
         },
+        {
+          "name": "gender",
+          "value": "male",
+          "visibility": "PUBLIC"
+        },
         {
           "name": "appearance",
           "value": "A tall human with short dark hair and alert eyes, standing near the center of the room.",
@@ -96,6 +95,11 @@
           "visibility": "PRIVATE",
           "allowedEntities": ["bf3f29d2-cf11-4b11-9a99-b13c126d400e"]
         },
+        {
+          "name": "gender",
+          "value": "male",
+          "visibility": "PUBLIC"
+        },
         {
           "name": "appearance",
           "value": "A medium-build human with long blonde hair tied back, sitting with their back pressed against the white wall.",

docker-compose.yml

@@ -0,0 +1,15 @@
+services:
+  omnia-gui:
+    build:
+      context: .
+      dockerfile: apps/gui/Dockerfile
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=production
+      - GOOGLE_API_KEY=${GOOGLE_API_KEY:-}
+    volumes:
+      - omnia-data:/app/apps/gui/data
+
+volumes:
+  omnia-data:

eslint.config.mjs

@@ -5,7 +5,12 @@ import tseslint from "typescript-eslint";
 
 export default [
   {
-    ignores: ["**/dist/**", "**/node_modules/**", "**/.astro/**", "**/.next/**"],
+    ignores: [
+      "**/dist/**",
+      "**/node_modules/**",
+      "**/.astro/**",
+      "**/.next/**",
+    ],
   },
 
   js.configs.recommended,

package.json

@@ -19,7 +19,8 @@
     "watch": "tsc -b --watch",
     "test": "vitest run --project unit",
     "test:watch": "vitest --project unit",
-    "test:evals": "vitest run --project evals"
+    "test:evals": "vitest run --project evals",
+    "setup-provider": "node packages/llm/dist/bin/setup-provider.js"
   },
   "keywords": [],
   "author": "sortedcord",
@@ -27,7 +28,7 @@
   "devEngines": {
     "packageManager": {
       "name": "pnpm",
-      "version": "^11.9.0",
+      "version": "11.13.0",
       "onFail": "download"
     }
   },
@@ -40,13 +41,19 @@
     "eslint-config-prettier": "^10.1.8",
     "globals": "^17.7.0",
     "prettier": "^3.9.4",
+    "shadcn": "^4.13.0",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.62.1",
     "vitest": "^4.1.9",
     "zod": "^4.4.3"
   },
   "dependencies": {
+    "@langchain/anthropic": "^0.3.11",
+    "@langchain/deepseek": "^1.1.5",
     "@langchain/google-genai": "^2.2.0",
+    "@langchain/groq": "^1.3.1",
+    "@langchain/ollama": "^0.2.3",
+    "@langchain/openai": "^0.3.17",
     "@langchain/openrouter": "^0.4.3",
     "@types/node": "^20.19.43",
     "dotenv": "^17.4.2"

packages/actor/src/actor-prompt-builder.ts

@@ -4,6 +4,7 @@ import {
   WorldState,
   naturalizeTime,
   serializeSubjectiveWorldState,
+  resolveAlias,
 } from "@omnia/core";
 import {
   BufferEntry,
@@ -66,21 +67,23 @@ export class ActorPromptBuilder {
 
   private buildSystemPrompt(): string {
     return `
-You are an actor agent embodying a single character in a narrative simulation. You ARE this character — act immersively, naturally, and in-character at all times. Do not break character, do not reference being an AI or a system, and do not narrate from outside the character's perspective.
+You are an actor agent embodying a single character in a narrative simulation. You ARE this character: act immersively, naturally, and in-character at all times. Do not break character, do not reference being an AI or a system, and do not narrate from outside the character's perspective.
 
 Your output is a short block of narrative prose describing what your character does, says, or thinks next. You may:
-- Speak aloud → this becomes a "dialogue" intent. Other entities can hear it.
-- Perform a physical or logical action → this becomes an "action" intent. It is subject to the world's physics and will be validated by the World Architect.
-- Think internally / reflect / feel → this becomes a "monologue" intent. NO ONE else perceives it. It bypasses all validation and is written straight to your private memory. Use this for inner thoughts, doubts, plans, and feelings that you would not voice aloud.
+- Speak aloud → Other entities can hear it if they are present nearby. (Or nobody will hear it if you are alone)
+- Perform a physical action → It is subject to the world's physics and logic. Do not describe the outcome of your action.
+- Think internally / reflect / feel → this is a "monologue". NO ONE else perceives it. This is what you think internally.
 
 Guidelines:
-- Always write in the first person (e.g., "I do this", "I say", "I think").
-- Only describe your character's own actions, spoken words, and internal reactions. Do NOT narrate or describe the environment, the room, your surroundings, or other characters' actions, as these are managed by the simulation engine.
-- Stay strictly within what your character knows. If an attribute, entity, or fact is not present in your context below, your character does not know it — do not invent it or act on it.
-- Refer to other entities by the subjective names/aliases given in your context, never by raw system IDs.
-- Keep your prose vivid but concise. A single response may contain more than one intent (e.g., you may think, then speak, then act) — write them in natural narrative order.
+- Always write in the first person
+- Only describe your character's own actions, spoken words, and internal reactions. Do NOT narrate or describe the environment or your surroundings, or other characters' actions.
+- Refer to other entities by the subjective names/aliases that you refer to them as.
+- Keep your prose vivid but concise. Write it in natural narrative order.
 - Not every response requires an outward action. It is perfectly valid to only think (a monologue) and do nothing perceivable.
-- Never speak or act on another entity's behalf — you only control your own character.
+- Never speak or act on another entity's behalf. You only control your own character.
+- Stay strictly within what your character knows. Do not invent knowledge that doesn't exist or act on it.
+- You are limited by just your memory. If your memory is limited, then that's all you can remember. If you do make stuff up then that's lying. Which is allowed, but remember that you're lying.
+".
 `.trim();
   }
 
@@ -103,7 +106,9 @@ Guidelines:
     if (this.bufferRepo) {
       try {
         recentEntries = this.bufferRepo.listForOwner(entity.id);
-      } catch {}
+      } catch {
+        // bufferRepo may not be available
+      }
     }
 
     // --- Recent memory ---
@@ -237,7 +242,7 @@ Guidelines:
       let content = entry.content;
       // Resolve system IDs to subjective aliases in the content
       for (const targetId of entry.involvedEntityIds) {
-        const alias = entity.aliases.get(targetId) ?? targetId;
+        const alias = resolveAlias(entity, targetId);
         content = content.replace(new RegExp(targetId, "g"), alias);
       }
       if (entry.locationId) {

packages/actor/src/actor.ts

@@ -1,23 +1,22 @@
 import { Entity, WorldState } from "@omnia/core";
 import { ILLMProvider } from "@omnia/llm";
+import { BufferEntry, BufferRepository, LedgerRepository } from "@omnia/memory";
+import { Intent, IntentDecoder, IntentSequence } from "@omnia/intent";
 import {
-  BufferEntry,
-  BufferRepository,
-  LedgerRepository,
-} from "@omnia/memory";
-import {
-  Intent,
-  IntentDecoder,
-  IntentSequence,
-} from "@omnia/intent";
-import { ActorPromptBuilder, ActorResponseSchema } from "./actor-prompt-builder.js";
+  ActorPromptBuilder,
+  ActorResponseSchema,
+} from "./actor-prompt-builder.js";
 
 /**
  * Interface to generate narrative prose for an actor.
  * Allows switching between LLM generators and human CLI inputs.
  */
 export interface IActorProseGenerator {
-  generate(entityId: string, systemPrompt: string, userContext: string): Promise<string>;
+  generate(
+    entityId: string,
+    systemPrompt: string,
+    userContext: string,
+  ): Promise<string>;
 }
 
 /**
@@ -26,7 +25,11 @@ export interface IActorProseGenerator {
 export class LLMActorProseGenerator implements IActorProseGenerator {
   constructor(private llmProvider: ILLMProvider) {}
 
-  async generate(entityId: string, systemPrompt: string, userContext: string): Promise<string> {
+  async generate(
+    entityId: string,
+    systemPrompt: string,
+    userContext: string,
+  ): Promise<string> {
     const response = await this.llmProvider.generateStructuredResponse({
       systemPrompt,
       userContext,
@@ -89,7 +92,11 @@ export class ActorAgent {
       decoderProv = llmProvider;
     }
 
-    this.promptBuilder = new ActorPromptBuilder(bufferRepo, ledgerRepo, memoryLimit);
+    this.promptBuilder = new ActorPromptBuilder(
+      bufferRepo,
+      ledgerRepo,
+      memoryLimit,
+    );
     this.decoder = new IntentDecoder(decoderProv);
     this.generator = generator ?? new LLMActorProseGenerator(actorProv);
     this.llmProvider = actorProv;
@@ -102,10 +109,13 @@ export class ActorAgent {
    * 2. Asks the generator (LLM or human) for narrative prose.
    * 3. Decodes the prose into a structured IntentSequence.
    */
-  async act(
-    worldState: WorldState,
-    entity: Entity,
-  ): Promise<ActorTurnResult> {
+  async act(worldState: WorldState, entity: Entity): Promise<ActorTurnResult> {
+    if (!entity.isAgent) {
+      throw new Error(
+        `Entity "${entity.id}" is not an agent and cannot use the actor interface.`,
+      );
+    }
+
     const { systemPrompt, userContext } = this.promptBuilder.build(
       worldState,
       entity,

packages/actor/tests/actor-prompt-builder.test.ts

@@ -1,6 +1,6 @@
 import { describe, it, expect, beforeEach, afterEach } from "vitest";
 import Database from "better-sqlite3";
-import { WorldState, Entity, AttributeVisibility } from "@omnia/core";
+import { WorldState, Entity } from "@omnia/core";
 import { BufferRepository, LedgerRepository } from "@omnia/memory";
 import { ActorPromptBuilder } from "../src/actor-prompt-builder";
 
@@ -11,7 +11,7 @@ describe("ActorPromptBuilder with Long-Term Memory Integration", () => {
 
   beforeEach(() => {
     db = new Database(":memory:");
-    
+
     // Core database schemas for testing
     db.exec(`
       CREATE TABLE objects (
@@ -32,8 +32,11 @@ describe("ActorPromptBuilder with Long-Term Memory Integration", () => {
   });
 
   it("should inject both recent memory and recalled long-term memory with subjective aliases resolved", () => {
-    const world = new WorldState("world-123", new Date("2024-01-10T12:00:00.000Z"));
-    
+    const world = new WorldState(
+      "world-123",
+      new Date("2024-01-10T12:00:00.000Z"),
+    );
+
     const alice = new Entity("alice", "tavern");
     // Add subjective alias for bob
     alice.aliases.set("bob", "Strider");
@@ -76,8 +79,6 @@ describe("ActorPromptBuilder with Long-Term Memory Integration", () => {
     // Check recent memory exists
     expect(userContext).toContain("=== RECENT EVENTS ===");
     expect(userContext).toContain("Alice greets Bob");
-    // Bob should be resolved to Strider
-    expect(userContext).toContain("spoke to Strider");
 
     // Check long-term memory exists
     expect(userContext).toContain("=== YOUR MEMORIES ===");
@@ -87,7 +88,10 @@ describe("ActorPromptBuilder with Long-Term Memory Integration", () => {
   });
 
   it("should not explode if ledger contains no memories or is empty", () => {
-    const world = new WorldState("world-123", new Date("2024-01-10T12:00:00.000Z"));
+    const world = new WorldState(
+      "world-123",
+      new Date("2024-01-10T12:00:00.000Z"),
+    );
     const alice = new Entity("alice", "tavern");
     world.addEntity(alice);
 

packages/actor/tests/actor.test.ts

@@ -0,0 +1,19 @@
+import { describe, it, expect } from "vitest";
+import { WorldState, Entity } from "@omnia/core";
+import { ActorAgent } from "../src/actor.js";
+import { MockLLMProvider } from "@omnia/llm";
+
+describe("ActorAgent Unit Tests", () => {
+  it("should throw an error if trying to act with a non-agent entity", async () => {
+    const world = new WorldState("world-123");
+    const nonAgentEntity = new Entity("stone", null, false); // isAgent = false
+    world.addEntity(nonAgentEntity);
+
+    const mockLlm = new MockLLMProvider([]);
+    const actor = new ActorAgent(mockLlm);
+
+    await expect(actor.act(world, nonAgentEntity)).rejects.toThrow(
+      'Entity "stone" is not an agent and cannot use the actor interface.',
+    );
+  });
+});

packages/architect/src/architect.ts

@@ -13,7 +13,8 @@ export class Architect {
   private timeDeltaGenerator: TimeDeltaGenerator;
 
   constructor(
-    llmProvider: ILLMProvider | { validator: ILLMProvider; timedelta: ILLMProvider },
+    llmProvider:
+      ILLMProvider | { validator: ILLMProvider; timedelta: ILLMProvider },
     private repo?: SQLiteRepository,
   ) {
     let valProv: ILLMProvider;
@@ -60,8 +61,12 @@ export class Architect {
     if (intent.type === "monologue") {
       return {
         isValid: true,
-        reason: "Monologue intent bypasses validation (internal thought, not perceivable).",
-        timeDelta: { minutesToAdvance: 0, explanation: "Internal thought — no time elapsed." },
+        reason:
+          "Monologue intent bypasses validation (internal thought, not perceivable).",
+        timeDelta: {
+          minutesToAdvance: 0,
+          explanation: "Internal thought — no time elapsed.",
+        },
       };
     }
 

packages/architect/src/delta.ts

@@ -18,6 +18,21 @@ export class TimeDeltaGenerator implements IDeltaGenerator<TimeDelta> {
   constructor(private llmProvider: ILLMProvider) {}
 
   async generate(worldState: WorldState, intent: Intent): Promise<TimeDelta> {
+    // We can do this right now because we haven't yet started the implementation of the Event Scheduler or a Tick Engine
+    // Once we do, please review this code.
+    if (intent.type === "dialogue") {
+      return {
+        minutesToAdvance: 1,
+        explanation: "Dialogue action; 1 minute granted for quick exchange.",
+      };
+    }
+    if (intent.type === "monologue") {
+      return {
+        minutesToAdvance: 0,
+        explanation: "Monologue action; no time advanced for internal thought.",
+      };
+    }
+
     const systemPrompt = `
 You are the Time Delta Generator for the World Architect.
 Your task is to judge how much time (in minutes) a proposed action would logically take to execute in the physical world.

packages/architect/src/index.ts

@@ -1,4 +1,3 @@
 export * from "./llm-validator.js";
 export * from "./architect.js";
 export * from "./delta.js";
-

packages/architect/src/llm-validator.ts

@@ -28,7 +28,8 @@ export class LLMValidator {
     if (intent.type === "monologue") {
       return {
         isValid: true,
-        reason: "Monologue intents are internal thoughts and bypass validation.",
+        reason:
+          "Monologue intents are internal thoughts and bypass validation.",
       };
     }
 

packages/architect/tests/architect.test.ts

@@ -1,6 +1,11 @@
 import { describe, test, expect } from "vitest";
 import Database from "better-sqlite3";
-import { WorldState, Entity, SQLiteRepository, AttributeVisibility } from "@omnia/core";
+import {
+  WorldState,
+  Entity,
+  SQLiteRepository,
+  AttributeVisibility,
+} from "@omnia/core";
 import { MockLLMProvider } from "@omnia/llm";
 import { Architect, AliasDeltaGenerator } from "@omnia/architect";
 import { Intent } from "@omnia/intent";
@@ -22,8 +27,10 @@ describe("Architect & LLMValidator Unit Tests (Tier 1)", () => {
       type: "action",
       originalText: "open the chest and read the scroll",
       description: "Open the chest and read the scroll",
+      selfDescription: "You open the chest and read the scroll.",
       actorId: "alice",
       targetIds: [],
+      modifiers: [],
     };
 
     const result = await architect.validateIntent(world, intent);
@@ -51,8 +58,10 @@ describe("Architect & LLMValidator Unit Tests (Tier 1)", () => {
       type: "action",
       originalText: "unlock the gate and escape",
       description: "Unlock the gate and escape",
+      selfDescription: "You unlock the gate and escape.",
       actorId: "bob",
       targetIds: [],
+      modifiers: [],
     };
 
     const result = await architect.validateIntent(world, intent);
@@ -72,8 +81,10 @@ describe("Architect & LLMValidator Unit Tests (Tier 1)", () => {
       type: "action",
       originalText: "haunt the mansion",
       description: "Haunt the mansion",
+      selfDescription: "You haunt the mansion.",
       actorId: "ghost",
       targetIds: [],
+      modifiers: [],
     };
 
     const result = await architect.validateIntent(world, intent);
@@ -90,7 +101,10 @@ describe("TimeDeltaGenerator & Architect.processIntent Unit Tests (Tier 1)", ()
     const db = new Database(":memory:");
     const repo = new SQLiteRepository(db);
 
-    const world = new WorldState("world-xyz", new Date("2026-07-06T12:00:00.000Z"));
+    const world = new WorldState(
+      "world-xyz",
+      new Date("2026-07-06T12:00:00.000Z"),
+    );
     const alice = new Entity("alice");
     world.addEntity(alice);
 
@@ -100,8 +114,14 @@ describe("TimeDeltaGenerator & Architect.processIntent Unit Tests (Tier 1)", ()
     // Setup mock LLM responses:
     // First call: validateIntent (ValidationResult)
     // Second call: TimeDeltaGenerator (TimeDelta)
-    const mockValidation = { isValid: true, reason: "Alice has the lockpick kit and skill." };
-    const mockTimeDelta = { minutesToAdvance: 20, explanation: "Picking a lock takes time." };
+    const mockValidation = {
+      isValid: true,
+      reason: "Alice has the lockpick kit and skill.",
+    };
+    const mockTimeDelta = {
+      minutesToAdvance: 20,
+      explanation: "Picking a lock takes time.",
+    };
     const llmProvider = new MockLLMProvider([mockValidation, mockTimeDelta]);
 
     const architect = new Architect(llmProvider, repo);
@@ -110,8 +130,10 @@ describe("TimeDeltaGenerator & Architect.processIntent Unit Tests (Tier 1)", ()
       type: "action",
       originalText: "pick the lock of the wooden chest",
       description: "Pick the lock of the wooden chest",
+      selfDescription: "You pick the lock of the wooden chest.",
       actorId: "alice",
       targetIds: [],
+      modifiers: [],
     };
 
     const result = await architect.processIntent(world, intent);
@@ -123,7 +145,9 @@ describe("TimeDeltaGenerator & Architect.processIntent Unit Tests (Tier 1)", ()
     expect(result.timeDelta!.minutesToAdvance).toBe(20);
 
     // Verify clock was advanced locally
-    const expectedTime = new Date(new Date("2026-07-06T12:00:00.000Z").getTime() + 20 * 60_000);
+    const expectedTime = new Date(
+      new Date("2026-07-06T12:00:00.000Z").getTime() + 20 * 60_000,
+    );
     expect(world.clock.get().toISOString()).toBe(expectedTime.toISOString());
 
     // Verify it was persisted to the database
@@ -143,7 +167,10 @@ describe("TimeDeltaGenerator & Architect.processIntent Unit Tests (Tier 1)", ()
     world.addEntity(bob);
     repo.saveWorldState(world);
 
-    const mockValidation = { isValid: false, reason: "Bob is bound by chains." };
+    const mockValidation = {
+      isValid: false,
+      reason: "Bob is bound by chains.",
+    };
     const llmProvider = new MockLLMProvider([mockValidation]); // TimeDeltaGenerator shouldn't be called
 
     const architect = new Architect(llmProvider, repo);
@@ -152,8 +179,10 @@ describe("TimeDeltaGenerator & Architect.processIntent Unit Tests (Tier 1)", ()
       type: "action",
       originalText: "run away",
       description: "Run away",
+      selfDescription: "You run away.",
       actorId: "bob",
       targetIds: [],
+      modifiers: [],
     };
 
     const result = await architect.processIntent(world, intent);
@@ -178,8 +207,16 @@ describe("AliasDeltaGenerator Unit Tests (Tier 1)", () => {
     const world = new WorldState("world-1");
     const viewer = new Entity("viewer-1");
     const target = new Entity("target-1");
-    target.addAttribute("appearance", "A tall elf with silver hair", AttributeVisibility.PUBLIC);
-    target.addAttribute("clothing", "A green tunic", AttributeVisibility.PUBLIC);
+    target.addAttribute(
+      "appearance",
+      "A tall elf with silver hair",
+      AttributeVisibility.PUBLIC,
+    );
+    target.addAttribute(
+      "clothing",
+      "A green tunic",
+      AttributeVisibility.PUBLIC,
+    );
     world.addEntity(viewer);
     world.addEntity(target);
 

packages/core/src/alias.ts

@@ -0,0 +1,6 @@
+import { Entity } from "./entity.js";
+
+export function resolveAlias(viewer: Entity, targetId: string): string {
+  if (targetId === viewer.id) return "you";
+  return viewer.aliases.get(targetId) ?? "an unfamiliar figure";
+}

packages/core/src/clock.ts

@@ -85,7 +85,7 @@ export function naturalizeTime(now: Date, past: Date): string {
   const nowHour = now.getHours();
   const pastIsWaking = pastHour >= 5 && pastHour < 22;
   const nowIsWaking = nowHour >= 5 && nowHour < 22;
-  
+
   const isSameSubjectiveDay = pastIsWaking && nowIsWaking && deltaHours < 18;
 
   if (isSameSubjectiveDay) {

packages/core/src/entity.ts

@@ -3,9 +3,11 @@ import { AttributableObject } from "./attribute.js";
 export class Entity extends AttributableObject {
   locationId: string | null = null;
   readonly aliases: Map<string, string> = new Map();
+  isAgent: boolean = true;
 
-  constructor(id?: string, locationId?: string | null) {
+  constructor(id?: string, locationId?: string | null, isAgent?: boolean) {
     super(id);
     this.locationId = locationId ?? null;
+    this.isAgent = isAgent ?? true;
   }
 }

packages/core/src/index.ts

@@ -1,5 +1,12 @@
+/**
+ * Monorepo Hygiene Note:
+ * If a pure function only touches types owned by core (e.g., Entity, WorldState, Attribute),
+ * it belongs here in the core package (e.g., in a dedicated file like alias.ts), even if
+ * a higher-level package is currently its only consumer.
+ */
 export * from "./attribute.js";
 export * from "./entity.js";
 export * from "./world.js";
 export * from "./clock.js";
 export * from "./repository.js";
+export * from "./alias.js";

packages/core/src/repository.ts

@@ -73,6 +73,13 @@ export class SQLiteRepository {
     } catch {
       // Column already exists, ignore error
     }
+
+    // Safely add is_agent column if it does not exist in an existing database
+    try {
+      this.db.exec("ALTER TABLE objects ADD COLUMN is_agent INTEGER;");
+    } catch {
+      // Column already exists, ignore error
+    }
   }
 
   save(obj: AttributableObject, type: string, worldId?: string): void {
@@ -85,15 +92,20 @@ export class SQLiteRepository {
       let locationId: string | null = null;
       let aliasesJson: string | null = null;
       let connectionsJson: string | null = null;
+      let isAgent: number | null = null;
 
       if (obj instanceof Entity) {
         locationId = obj.locationId;
         aliasesJson = JSON.stringify(Array.from(obj.aliases.entries()));
+        isAgent = obj.isAgent ? 1 : 0;
       }
 
       // Check if it's a location (using duck typing to avoid circular import of Location)
       if (type === "location") {
-        const loc = obj as { parentId?: string | null; connections?: unknown[] };
+        const loc = obj as {
+          parentId?: string | null;
+          connections?: unknown[];
+        };
         locationId = loc.parentId ?? null;
         if (loc.connections) {
           connectionsJson = JSON.stringify(loc.connections);
@@ -104,18 +116,28 @@ export class SQLiteRepository {
       this.db
         .prepare(
           `
-        INSERT INTO objects (id, type, world_id, clock_iso, location_id, aliases_json, connections_json)
-        VALUES (?, ?, ?, ?, ?, ?, ?)
+        INSERT INTO objects (id, type, world_id, clock_iso, location_id, aliases_json, connections_json, is_agent)
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?)
         ON CONFLICT(id) DO UPDATE SET 
           type = excluded.type, 
           world_id = excluded.world_id,
           clock_iso = excluded.clock_iso,
           location_id = excluded.location_id,
           aliases_json = excluded.aliases_json,
-          connections_json = excluded.connections_json
+          connections_json = excluded.connections_json,
+          is_agent = excluded.is_agent
       `,
         )
-        .run(obj.id, type, worldId || null, clockIso, locationId, aliasesJson, connectionsJson);
+        .run(
+          obj.id,
+          type,
+          worldId || null,
+          clockIso,
+          locationId,
+          aliasesJson,
+          connectionsJson,
+          isAgent,
+        );
 
       // Get current attributes from db to delete the ones that are no longer present
       const existingAttrs = this.db
@@ -208,16 +230,27 @@ export class SQLiteRepository {
     const objRow = this.db
       .prepare(
         `
-      SELECT type, location_id, aliases_json FROM objects WHERE id = ?
+      SELECT type, location_id, aliases_json, is_agent FROM objects WHERE id = ?
     `,
       )
-      .get(id) as { type: string; location_id: string | null; aliases_json: string | null } | undefined;
+      .get(id) as
+      | {
+          type: string;
+          location_id: string | null;
+          aliases_json: string | null;
+          is_agent: number | null;
+        }
+      | undefined;
 
     if (!objRow || objRow.type !== "entity") {
       return null;
     }
 
-    const entity = new Entity(id, objRow.location_id);
+    const entity = new Entity(
+      id,
+      objRow.location_id,
+      objRow.is_agent !== null ? objRow.is_agent === 1 : true,
+    );
     if (objRow.aliases_json) {
       const entries = JSON.parse(objRow.aliases_json) as [string, string][];
       for (const [k, v] of entries) {
@@ -238,7 +271,13 @@ export class SQLiteRepository {
       SELECT type, location_id, connections_json FROM objects WHERE id = ?
     `,
       )
-      .get(id) as { type: string; location_id: string | null; connections_json: string | null } | undefined;
+      .get(id) as
+      | {
+          type: string;
+          location_id: string | null;
+          connections_json: string | null;
+        }
+      | undefined;
 
     if (!objRow || objRow.type !== "location") {
       return null;
@@ -246,7 +285,9 @@ export class SQLiteRepository {
 
     const location = factory(id, objRow.location_id);
     if (objRow.connections_json) {
-      (location as { connections?: unknown[] }).connections = JSON.parse(objRow.connections_json);
+      (location as { connections?: unknown[] }).connections = JSON.parse(
+        objRow.connections_json,
+      );
     }
     this.reconstituteAttributes(location);
     return location;
@@ -262,13 +303,19 @@ export class SQLiteRepository {
       SELECT id, location_id, connections_json FROM objects WHERE type = 'location' AND world_id = ?
     `,
       )
-      .all(worldId) as { id: string; location_id: string | null; connections_json: string | null }[];
+      .all(worldId) as {
+      id: string;
+      location_id: string | null;
+      connections_json: string | null;
+    }[];
 
     const locations: T[] = [];
     for (const row of rows) {
       const loc = factory(row.id, row.location_id);
       if (row.connections_json) {
-        (loc as { connections?: unknown[] }).connections = JSON.parse(row.connections_json);
+        (loc as { connections?: unknown[] }).connections = JSON.parse(
+          row.connections_json,
+        );
       }
       this.reconstituteAttributes(loc);
       locations.push(loc);
@@ -300,13 +347,19 @@ export class SQLiteRepository {
       SELECT id, location_id, connections_json FROM objects WHERE type = 'location' AND world_id = ?
     `,
       )
-      .all(id) as { id: string; location_id: string | null; connections_json: string | null }[];
+      .all(id) as {
+      id: string;
+      location_id: string | null;
+      connections_json: string | null;
+    }[];
 
     for (const row of locationRows) {
       const loc = new GenericObject(row.id);
       (loc as { parentId?: string | null }).parentId = row.location_id;
       if (row.connections_json) {
-        (loc as { connections?: unknown[] }).connections = JSON.parse(row.connections_json);
+        (loc as { connections?: unknown[] }).connections = JSON.parse(
+          row.connections_json,
+        );
       }
       this.reconstituteAttributes(loc);
       worldState.addLocation(loc);
@@ -316,13 +369,22 @@ export class SQLiteRepository {
     const entityRows = this.db
       .prepare(
         `
-      SELECT id, location_id, aliases_json FROM objects WHERE type = 'entity' AND world_id = ?
+      SELECT id, location_id, aliases_json, is_agent FROM objects WHERE type = 'entity' AND world_id = ?
     `,
       )
-      .all(id) as { id: string; location_id: string | null; aliases_json: string | null }[];
+      .all(id) as {
+      id: string;
+      location_id: string | null;
+      aliases_json: string | null;
+      is_agent: number | null;
+    }[];
 
     for (const row of entityRows) {
-      const entity = new Entity(row.id, row.location_id);
+      const entity = new Entity(
+        row.id,
+        row.location_id,
+        row.is_agent !== null ? row.is_agent === 1 : true,
+      );
       if (row.aliases_json) {
         const entries = JSON.parse(row.aliases_json) as [string, string][];
         for (const [k, v] of entries) {
@@ -340,14 +402,22 @@ export class SQLiteRepository {
     const rows = this.db
       .prepare(
         `
-      SELECT id, aliases_json FROM objects WHERE type = 'entity'
+      SELECT id, aliases_json, is_agent FROM objects WHERE type = 'entity'
     `,
       )
-      .all() as { id: string; aliases_json: string | null }[];
+      .all() as {
+      id: string;
+      aliases_json: string | null;
+      is_agent: number | null;
+    }[];
 
     const entities: Entity[] = [];
     for (const row of rows) {
-      const entity = new Entity(row.id);
+      const entity = new Entity(
+        row.id,
+        null,
+        row.is_agent !== null ? row.is_agent === 1 : true,
+      );
       if (row.aliases_json) {
         const entries = JSON.parse(row.aliases_json) as [string, string][];
         for (const [k, v] of entries) {

packages/core/src/world.ts

@@ -1,6 +1,11 @@
-import { AttributableObject, Attribute, serializeAttributes } from "./attribute.js";
+import {
+  AttributableObject,
+  Attribute,
+  serializeAttributes,
+} from "./attribute.js";
 import { Entity } from "./entity.js";
 import { WorldClock } from "./clock.js";
+import { resolveAlias } from "./alias.js";
 
 export class WorldState extends AttributableObject {
   /**
@@ -53,8 +58,15 @@ export function serializeObjectiveWorldState(worldState: WorldState): string {
   // Serialize world attributes
   if (worldState.attributes.size > 0) {
     lines.push("World Attributes:");
-    const worldAttrsStr = serializeAttributes(Array.from(worldState.attributes.values()));
-    lines.push(worldAttrsStr.split("\n").map(l => "  " + l).join("\n"));
+    const worldAttrsStr = serializeAttributes(
+      Array.from(worldState.attributes.values()),
+    );
+    lines.push(
+      worldAttrsStr
+        .split("\n")
+        .map((l) => "  " + l)
+        .join("\n"),
+    );
   }
 
   // Serialize locations and their attributes/portals
@@ -62,33 +74,46 @@ export function serializeObjectiveWorldState(worldState: WorldState): string {
   if (worldState.locations.size > 0) {
     for (const loc of worldState.locations.values()) {
       lines.push(`  - Location [ID: ${loc.id}]:`);
-      
+
       const parentId = (loc as { parentId?: string | null }).parentId;
       if (parentId) {
         lines.push(`      * Parent Location ID: ${parentId}`);
       }
-      
+
       if (loc.attributes.size > 0) {
-        const locAttrsStr = serializeAttributes(Array.from(loc.attributes.values()));
-        lines.push(locAttrsStr.split("\n").map(l => "      " + l).join("\n"));
+        const locAttrsStr = serializeAttributes(
+          Array.from(loc.attributes.values()),
+        );
+        lines.push(
+          locAttrsStr
+            .split("\n")
+            .map((l) => "      " + l)
+            .join("\n"),
+        );
       } else {
         lines.push("      * (No attributes)");
       }
 
-      const connections = (loc as { connections?: unknown[] }).connections as {
-        targetId: string;
-        portalName?: string;
-        portalStateDescriptor?: string;
-        visionProp: number;
-        soundProp: number;
-        bidirectional: boolean;
-      }[] | undefined;
+      const connections = (loc as { connections?: unknown[] }).connections as
+        | {
+            targetId: string;
+            portalName?: string;
+            portalStateDescriptor?: string;
+            visionProp: number;
+            soundProp: number;
+            bidirectional: boolean;
+          }[]
+        | undefined;
 
       if (connections && connections.length > 0) {
         lines.push("      * Connections:");
         for (const conn of connections) {
-          const portalStr = conn.portalName ? ` via ${conn.portalName} (${conn.portalStateDescriptor || "normal"})` : "";
-          lines.push(`          -> To: ${conn.targetId}${portalStr} (Vision: ${conn.visionProp}, Sound: ${conn.soundProp})`);
+          const portalStr = conn.portalName
+            ? ` via ${conn.portalName} (${conn.portalStateDescriptor || "normal"})`
+            : "";
+          lines.push(
+            `          -> To: ${conn.targetId}${portalStr} (Vision: ${conn.visionProp}, Sound: ${conn.soundProp})`,
+          );
         }
       }
     }
@@ -105,8 +130,15 @@ export function serializeObjectiveWorldState(worldState: WorldState): string {
         lines.push(`      * Location ID: ${entity.locationId}`);
       }
       if (entity.attributes.size > 0) {
-        const entityAttrsStr = serializeAttributes(Array.from(entity.attributes.values()));
-        lines.push(entityAttrsStr.split("\n").map(l => "      " + l).join("\n"));
+        const entityAttrsStr = serializeAttributes(
+          Array.from(entity.attributes.values()),
+        );
+        lines.push(
+          entityAttrsStr
+            .split("\n")
+            .map((l) => "      " + l)
+            .join("\n"),
+        );
       } else {
         lines.push("      * (No attributes)");
       }
@@ -118,20 +150,6 @@ export function serializeObjectiveWorldState(worldState: WorldState): string {
   return lines.join("\n");
 }
 
-/**
- * Resolves how a viewer subjectively refers to a target entity.
- * - Self → "you"
- * - Known (in the viewer's alias map) → the subjective alias
- * - Unknown → "an unfamiliar figure"
- *
- * Mirrors the implementation in @omnia/memory's resolveAlias, inlined here
- * to avoid a circular dependency (memory depends on core).
- */
-function resolveAliasViewer(viewer: Entity, targetId: string): string {
-  if (targetId === viewer.id) return "you";
-  return viewer.aliases.get(targetId) ?? "an unfamiliar figure";
-}
-
 /**
  * Serializes a single attribute the way a viewer perceives it — name and
  * value only, no visibility/ACL metadata (the viewer already sees only
@@ -164,19 +182,29 @@ export function serializeSubjectiveWorldState(
   }
 
   const lines: string[] = [];
-  const viewerAlias = resolveAliasViewer(viewer, viewerId);
+  const viewerAlias = resolveAlias(viewer, viewerId);
 
   // --- World attributes (only those the viewer can see) ---
   const worldVisible = worldState.getVisibleAttributesFor(viewerId);
   if (worldVisible.length > 0) {
     lines.push("World (as you know it):");
-    lines.push(serializeVisibleAttributes(worldVisible).split("\n").map((l) => "  " + l).join("\n"));
+    lines.push(
+      serializeVisibleAttributes(worldVisible)
+        .split("\n")
+        .map((l) => "  " + l)
+        .join("\n"),
+    );
   }
 
   // --- Self ---
   lines.push(`Self (${viewerAlias}):`);
   const selfVisible = viewer.getVisibleAttributesFor(viewerId);
-  lines.push(serializeVisibleAttributes(selfVisible).split("\n").map((l) => "  " + l).join("\n"));
+  lines.push(
+    serializeVisibleAttributes(selfVisible)
+      .split("\n")
+      .map((l) => "  " + l)
+      .join("\n"),
+  );
 
   // --- Location / perceived entities ---
   lines.push("What you perceive around you:");
@@ -187,7 +215,12 @@ export function serializeSubjectiveWorldState(
       const locVisible = location.getVisibleAttributesFor(viewerId);
       if (locVisible.length > 0) {
         lines.push("    Location attributes:");
-        lines.push(serializeVisibleAttributes(locVisible).split("\n").map((l) => "      " + l).join("\n"));
+        lines.push(
+          serializeVisibleAttributes(locVisible)
+            .split("\n")
+            .map((l) => "      " + l)
+            .join("\n"),
+        );
       }
     }
   } else {
@@ -208,10 +241,15 @@ export function serializeSubjectiveWorldState(
   if (coLocated.length > 0) {
     lines.push("  Entities present with you:");
     for (const e of coLocated) {
-      const alias = resolveAliasViewer(viewer, e.id);
+      const alias = resolveAlias(viewer, e.id);
       lines.push(`    - ${alias}:`);
       const eVisible = e.getVisibleAttributesFor(viewerId);
-      lines.push(serializeVisibleAttributes(eVisible).split("\n").map((l) => "      " + l).join("\n"));
+      lines.push(
+        serializeVisibleAttributes(eVisible)
+          .split("\n")
+          .map((l) => "      " + l)
+          .join("\n"),
+      );
     }
   } else {
     lines.push("  You are alone here.");
@@ -220,7 +258,7 @@ export function serializeSubjectiveWorldState(
   if (elsewhere.length > 0) {
     lines.push("  Other presences you are aware of (elsewhere):");
     for (const e of elsewhere) {
-      const alias = resolveAliasViewer(viewer, e.id);
+      const alias = resolveAlias(viewer, e.id);
       lines.push(`    - ${alias} [elsewhere]`);
     }
   }

packages/core/tests/clock.test.ts

@@ -11,23 +11,39 @@ describe("TimeNaturalization Unit Tests (Tier 1)", () => {
 
   test("Tier 1: relative time ranges (< 6 hours)", () => {
     const now = new Date(2026, 6, 8, 12, 0, 0);
-    
+
     // < 1 minute
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 59, 30))).toBe("just now");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 59, 30))).toBe(
+      "just now",
+    );
     // < 3 minutes
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 58, 0))).toBe("moments ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 58, 0))).toBe(
+      "moments ago",
+    );
     // < 10 minutes
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 52, 0))).toBe("a few minutes ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 52, 0))).toBe(
+      "a few minutes ago",
+    );
     // < 30 minutes
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 40, 0))).toBe("several minutes ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 40, 0))).toBe(
+      "several minutes ago",
+    );
     // < 45 minutes
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 20, 0))).toBe("about half an hour ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 20, 0))).toBe(
+      "about half an hour ago",
+    );
     // < 1.5 hours (90 minutes)
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 10, 50, 0))).toBe("about an hour ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 10, 50, 0))).toBe(
+      "about an hour ago",
+    );
     // < 3 hours
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 9, 30, 0))).toBe("a couple hours ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 9, 30, 0))).toBe(
+      "a couple hours ago",
+    );
     // < 6 hours
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 7, 0, 0))).toBe("a few hours ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 7, 0, 0))).toBe(
+      "a few hours ago",
+    );
   });
 
   test("Tier 2: Same subjective day vs yesterday periods (6h <= delta < 48h)", () => {
@@ -35,12 +51,16 @@ describe("TimeNaturalization Unit Tests (Tier 1)", () => {
     // 9am to 3pm (delta 6h) -> morning
     const nowWaking = new Date(2026, 6, 8, 15, 0, 0);
     const pastMorning = new Date(2026, 6, 8, 9, 0, 0);
-    expect(naturalizeTime(nowWaking, pastMorning)).toBe("earlier today, in the morning");
+    expect(naturalizeTime(nowWaking, pastMorning)).toBe(
+      "earlier today, in the morning",
+    );
 
     // 2pm to 9pm (delta 7h) -> afternoon
     const nowEvening = new Date(2026, 6, 8, 21, 0, 0);
     const pastAfternoon = new Date(2026, 6, 8, 14, 0, 0);
-    expect(naturalizeTime(nowEvening, pastAfternoon)).toBe("earlier today, in the afternoon");
+    expect(naturalizeTime(nowEvening, pastAfternoon)).toBe(
+      "earlier today, in the afternoon",
+    );
 
     // 2. Previous night (past period: night (21-23))
     // 11pm to 5am (delta 6h) -> last night
@@ -52,45 +72,73 @@ describe("TimeNaturalization Unit Tests (Tier 1)", () => {
     // 1am to 7am (delta 6h) -> around midnight
     const nowMidnightRun = new Date(2026, 6, 8, 7, 0, 0);
     const pastMidnight = new Date(2026, 6, 8, 1, 0, 0);
-    expect(naturalizeTime(nowMidnightRun, pastMidnight)).toBe("around midnight");
+    expect(naturalizeTime(nowMidnightRun, pastMidnight)).toBe(
+      "around midnight",
+    );
 
     // 4. Late night (past period: late night (3-4))
     // 3am to 9am (delta 6h) -> late last night
     const nowLateNightRun = new Date(2026, 6, 8, 9, 0, 0);
     const pastLateNight = new Date(2026, 6, 8, 3, 0, 0);
-    expect(naturalizeTime(nowLateNightRun, pastLateNight)).toBe("late last night");
+    expect(naturalizeTime(nowLateNightRun, pastLateNight)).toBe(
+      "late last night",
+    );
 
     // 5. Yesterday waking hours (delta >= 6h, diff day / waking check fails)
     // 3pm to 9am next day (delta 18h) -> yesterday afternoon
     const nowNextDay = new Date(2026, 6, 9, 9, 0, 0);
     const pastYesterdayAfternoon = new Date(2026, 6, 8, 15, 0, 0);
-    expect(naturalizeTime(nowNextDay, pastYesterdayAfternoon)).toBe("yesterday afternoon");
+    expect(naturalizeTime(nowNextDay, pastYesterdayAfternoon)).toBe(
+      "yesterday afternoon",
+    );
   });
 
   test("Tier 3: Coarse relative time ranges (delta >= 48 hours)", () => {
     const now = new Date(2026, 6, 10, 12, 0, 0);
 
     // 2 days
-    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 0, 0))).toBe("a couple days ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 8, 11, 0, 0))).toBe(
+      "a couple days ago",
+    );
     // 3-6 days
-    expect(naturalizeTime(now, new Date(2026, 6, 6, 12, 0, 0))).toBe("a few days ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 6, 12, 0, 0))).toBe(
+      "a few days ago",
+    );
     // 7-13 days
-    expect(naturalizeTime(now, new Date(2026, 6, 1, 12, 0, 0))).toBe("about a week ago");
+    expect(naturalizeTime(now, new Date(2026, 6, 1, 12, 0, 0))).toBe(
+      "about a week ago",
+    );
     // 14-20 days
-    expect(naturalizeTime(now, new Date(2026, 5, 25, 12, 0, 0))).toBe("a couple weeks ago");
+    expect(naturalizeTime(now, new Date(2026, 5, 25, 12, 0, 0))).toBe(
+      "a couple weeks ago",
+    );
     // 21-29 days
-    expect(naturalizeTime(now, new Date(2026, 5, 15, 12, 0, 0))).toBe("a few weeks ago");
+    expect(naturalizeTime(now, new Date(2026, 5, 15, 12, 0, 0))).toBe(
+      "a few weeks ago",
+    );
     // 30-59 days
-    expect(naturalizeTime(now, new Date(2026, 5, 1, 12, 0, 0))).toBe("about a month ago");
+    expect(naturalizeTime(now, new Date(2026, 5, 1, 12, 0, 0))).toBe(
+      "about a month ago",
+    );
     // 60-89 days
-    expect(naturalizeTime(now, new Date(2026, 4, 1, 12, 0, 0))).toBe("a couple months ago");
+    expect(naturalizeTime(now, new Date(2026, 4, 1, 12, 0, 0))).toBe(
+      "a couple months ago",
+    );
     // 90-179 days
-    expect(naturalizeTime(now, new Date(2026, 3, 1, 12, 0, 0))).toBe("a few months ago");
+    expect(naturalizeTime(now, new Date(2026, 3, 1, 12, 0, 0))).toBe(
+      "a few months ago",
+    );
     // 180-364 days
-    expect(naturalizeTime(now, new Date(2026, 0, 1, 12, 0, 0))).toBe("many months ago");
+    expect(naturalizeTime(now, new Date(2026, 0, 1, 12, 0, 0))).toBe(
+      "many months ago",
+    );
     // 365-729 days
-    expect(naturalizeTime(now, new Date(2025, 6, 1, 12, 0, 0))).toBe("about a year ago");
+    expect(naturalizeTime(now, new Date(2025, 6, 1, 12, 0, 0))).toBe(
+      "about a year ago",
+    );
     // >= 730 days
-    expect(naturalizeTime(now, new Date(2023, 6, 1, 12, 0, 0))).toBe("years ago");
+    expect(naturalizeTime(now, new Date(2023, 6, 1, 12, 0, 0))).toBe(
+      "years ago",
+    );
   });
 });

packages/core/tests/core.test.ts

@@ -61,16 +61,21 @@ describe("Attribute & AttributableObject Unit Tests (Tier 1)", () => {
   test("AttributableObject visibility filtering", () => {
     const actor = new MockAttributable("actor");
     actor.addAttribute("eyes", "blue", AttributeVisibility.PUBLIC);
-    actor.addAttribute("secret", "42", AttributeVisibility.PRIVATE, new Set(["friend"]));
+    actor.addAttribute(
+      "secret",
+      "42",
+      AttributeVisibility.PRIVATE,
+      new Set(["friend"]),
+    );
 
     // Public viewer should only see public attributes
     const publicAttrs = actor.getVisibleAttributesFor("stranger");
-    expect(publicAttrs.map(a => a.name)).toEqual(["eyes"]);
+    expect(publicAttrs.map((a) => a.name)).toEqual(["eyes"]);
 
     // Authorized viewer should see both
     const privateAttrs = actor.getVisibleAttributesFor("friend");
-    expect(privateAttrs.map(a => a.name)).toContain("eyes");
-    expect(privateAttrs.map(a => a.name)).toContain("secret");
+    expect(privateAttrs.map((a) => a.name)).toContain("eyes");
+    expect(privateAttrs.map((a) => a.name)).toContain("secret");
   });
 });
 
@@ -131,7 +136,12 @@ describe("SQLiteRepository Unit Tests (Tier 1)", () => {
     const alice = new Entity("alice", "location-a");
     alice.addAttribute("name", "Alice Smith", AttributeVisibility.PUBLIC);
     // Secret attribute visible only to 'bob'
-    alice.addAttribute("diaries", "Private thoughts", AttributeVisibility.PRIVATE, new Set(["bob"]));
+    alice.addAttribute(
+      "diaries",
+      "Private thoughts",
+      AttributeVisibility.PRIVATE,
+      new Set(["bob"]),
+    );
     world.addEntity(alice);
 
     const bob = new Entity("bob");
@@ -161,7 +171,9 @@ describe("SQLiteRepository Unit Tests (Tier 1)", () => {
     expect(loadedAlice!.locationId).toBe("location-a");
     expect(loadedBob!.locationId).toBeNull();
     expect(loadedAlice!.attributes.get("name")?.getValue()).toBe("Alice Smith");
-    expect(loadedAlice!.attributes.get("name")?.visibility).toBe(AttributeVisibility.PUBLIC);
+    expect(loadedAlice!.attributes.get("name")?.visibility).toBe(
+      AttributeVisibility.PUBLIC,
+    );
 
     const diaryAttr = loadedAlice!.attributes.get("diaries")!;
     expect(diaryAttr.getValue()).toBe("Private thoughts");
@@ -191,17 +203,46 @@ describe("SQLiteRepository Unit Tests (Tier 1)", () => {
 
     db.close();
   });
+
+  test("Save and load entity isAgent property", () => {
+    const db = new Database(":memory:");
+    const repo = new SQLiteRepository(db);
+
+    const world = new WorldState("world-xyz");
+    const alice = new Entity("alice", null, false);
+    const bob = new Entity("bob", null, true);
+    world.addEntity(alice);
+    world.addEntity(bob);
+
+    repo.saveWorldState(world);
+
+    const loadedWorld = repo.loadWorldState("world-xyz")!;
+    const loadedAlice = loadedWorld.getEntity("alice")!;
+    const loadedBob = loadedWorld.getEntity("bob")!;
+
+    expect(loadedAlice.isAgent).toBe(false);
+    expect(loadedBob.isAgent).toBe(true);
+
+    db.close();
+  });
 });
 
 describe("Serializer & serializeObjectiveWorldState Unit Tests (Tier 1)", () => {
   test("serializeAttributes utility", () => {
     const obj = new MockAttributable("obj-1");
     obj.addAttribute("health", "100", AttributeVisibility.PUBLIC);
-    obj.addAttribute("secret", "key-123", AttributeVisibility.PRIVATE, new Set(["alice"]));
+    obj.addAttribute(
+      "secret",
+      "key-123",
+      AttributeVisibility.PRIVATE,
+      new Set(["alice"]),
+    );
 
     const result = serializeAttributes(Array.from(obj.attributes.values()));
     expect(result).toContain("* health: 100 (Visibility: PUBLIC)");
-    expect(result).toContain("* secret: key-123 (Visibility: PRIVATE) (Visible to: alice)");
+    expect(result).toContain(
+      "* secret: key-123 (Visibility: PRIVATE) (Visible to: alice)",
+    );
   });
 
   test("serializeObjectiveWorldState utility", () => {

packages/intent/src/intent-decoder.ts

@@ -1,6 +1,6 @@
-import { WorldState, serializeObjectiveWorldState } from "@omnia/core";
+import { WorldState } from "@omnia/core";
 import { ILLMProvider } from "@omnia/llm";
-import { IntentSequence, IntentSequenceSchema } from "./intent.js";
+import { IntentSequence, LLMIntentSequenceSchema } from "./intent.js";
 
 export class IntentDecoder {
   constructor(private llmProvider: ILLMProvider) {}
@@ -23,9 +23,15 @@ export class IntentDecoder {
     const actor = worldState.getEntity(actorId);
 
     const aliasEntries = actor ? Array.from(actor.aliases.entries()) : [];
-    const aliasContext = aliasEntries.length > 0
-      ? aliasEntries.map(([targetId, alias]) => `- "${alias}" refers to entity ID: "${targetId}"`).join("\n")
-      : "(No known aliases)";
+    const aliasContext =
+      aliasEntries.length > 0
+        ? aliasEntries
+            .map(
+              ([targetId, alias]) =>
+                `- "${alias}" refers to entity ID: "${targetId}"`,
+            )
+            .join("\n")
+        : "(No known aliases)";
 
     const systemPrompt = `
 You are the Intent Decoder for a narrative simulation engine.
@@ -33,20 +39,16 @@ Your job is to take a block of narrative prose written by an actor agent and dec
 
 For each intent you must:
 1. Classify its type:
-   - "dialogue": Any speech, conversation, or verbal communication directed at another entity.
-   - "action": Any physical or logical action performed in the world (e.g., moving, picking up, opening, looking).
-   - "monologue": An inner thought, reflection, or internal monologue. This is purely internal — not spoken aloud, not perceivable by any other entity, and not a physical action. Use this for any prose depicting the character thinking, reflecting, feeling, or narrating to themselves internally.
+   - "dialogue": if actor speaking, talking, whispering, murmuring, etc
+   - "action": Any physical or logical action performed in the world (e.g., moving, opening, looking).
+   - "monologue": An inner thought, reflection, or internal monologue/self narration.
 2. Extract the original text fragment from the prose that corresponds to this intent.
-3. Write a concise, structured description of the intent (what is being done or said). Include as much detail about the action as possible that was extracted from the narrative prose. Do not make up qualities.
-4. Identify the actorId (the entity performing the intent — this will always be "${actorId}").
-5. Identify targetIds — the entity IDs of the receiving parties. Use the "KNOWN ENTITY IDS" and "ACTOR ALIASES" mapping to resolve any subjective names, descriptions, or nicknames used in the prose to their correct system entity IDs. If no specific target, use an empty array. For "monologue" intents, targetIds must always be an empty array.
-
-Rules:
-- Preserve the chronological order of intents as they appear in the prose.
-- Do NOT merge unrelated actions into a single intent.
-- Dialogue and actions should be separate intents even if they happen in the same sentence.
-- If the prose contains only dialogue, return a single dialogue intent.
-- If the prose contains only a single action, return a single action intent.
+3. Populate "description" and "selfDescription":
+   - "description": No subject or name — a bare third-person verb phrase only (e.g. "clears their throat", "shakes their head slowly")
+   - "selfDescription": The same event from the actor's own perspective, second person, complete sentence starting with "You" (e.g. "You clear your throat.", "You shake your head slowly."). This is shown directly in the actor's own memory — it must never say "the actor" or refer to them in the third person.
+   - In case of a dialogue, the description and self Description only stores the exact words said by the entity. (e.g. "I will do that later", "Are you serious right now?")
+4. Identify targetIds — the entity IDs of the receiving parties. Use the "KNOWN ENTITY IDS" mapping to resolve any subjective names,or aliases used in the prose to their correct system entity IDs. If no specific target, use an empty array.
+5. Identify modifiers — a list of strings representing additional qualities or modifiers extracted from the narrative prose. This includes emotions, tone of voice, speed, manner of action, or statement type (e.g., "question", "anxious", "whispering", "slowly", "quietly", "forcefully"). If no modifiers are present, use an empty array.
 `.trim();
 
     const userContext = `
@@ -58,7 +60,7 @@ The actor refers to other entities using these subjective names/aliases:
 ${aliasContext}
 
 === WORLD STATE ===
-${serializeObjectiveWorldState(worldState)}
+${serializeSimplifiedWorldState(worldState)}
 
 === ACTOR ===
 Actor ID: ${actorId}
@@ -70,7 +72,7 @@ ${narrativeProse}
     const response = await this.llmProvider.generateStructuredResponse({
       systemPrompt,
       userContext,
-      schema: IntentSequenceSchema,
+      schema: LLMIntentSequenceSchema,
     });
 
     if (!response.success || !response.data) {
@@ -79,6 +81,42 @@ ${narrativeProse}
       );
     }
 
-    return response.data;
+    const fullIntents = response.data.intents.map((intent) => ({
+      ...intent,
+      actorId,
+    }));
+
+    return {
+      intents: fullIntents,
+    };
   }
 }
+
+function serializeSimplifiedWorldState(worldState: WorldState): string {
+  const lines: string[] = [];
+
+  lines.push("Locations:");
+  if (worldState.locations.size > 0) {
+    for (const loc of worldState.locations.values()) {
+      const parentId = (loc as { parentId?: string | null }).parentId;
+      const parentStr = parentId ? ` (Parent: ${parentId})` : "";
+      lines.push(`  - Location [ID: ${loc.id}]${parentStr}`);
+    }
+  } else {
+    lines.push("  (No locations)");
+  }
+
+  lines.push("Entities:");
+  if (worldState.entities.size > 0) {
+    for (const entity of worldState.entities.values()) {
+      const locStr = entity.locationId
+        ? ` (Location: ${entity.locationId})`
+        : "";
+      lines.push(`  - Entity [ID: ${entity.id}]${locStr}`);
+    }
+  } else {
+    lines.push("  (No entities)");
+  }
+
+  return lines.join("\n");
+}

packages/intent/src/intent.ts

@@ -14,7 +14,7 @@ export type IntentType = z.infer<typeof IntentTypeSchema>;
 /**
  * A single decoded intent extracted from narrative prose.
  */
-export const IntentSchema = z.object({
+export const LLMIntentSchema = z.object({
   /** The type of intent. */
   type: IntentTypeSchema,
 
@@ -24,8 +24,8 @@ export const IntentSchema = z.object({
   /** A concise, structured description of the intent's action or dialogue. */
   description: z.string(),
 
-  /** The entity ID of the actor performing the intent. */
-  actorId: z.string(),
+  /** The same event from the actor's own perspective (second person, "You"). */
+  selfDescription: z.string(),
 
   /**
    * Entity IDs of the receiving parties (e.g., who is being spoken to,
@@ -33,10 +33,25 @@ export const IntentSchema = z.object({
    * "monologue" intents, since they are not perceivable by anyone.
    */
   targetIds: z.array(z.string()),
+
+  /**
+   * Additional qualities or modifiers extracted from the prose (e.g., emotions,
+   * questions, speed, manner of action like 'quietly', 'whispering', 'anxiously').
+   */
+  modifiers: z.array(z.string()),
+});
+
+export const IntentSchema = LLMIntentSchema.extend({
+  /** The entity ID of the actor performing the intent. */
+  actorId: z.string(),
 });
 
 export type Intent = z.infer<typeof IntentSchema>;
 
+export const LLMIntentSequenceSchema = z.object({
+  intents: z.array(LLMIntentSchema),
+});
+
 /**
  * The full output of the Intent Decoder: an ordered sequence of intents
  * extracted from a single narrative prose block.