refactor(memory,gui): Streamline memory archtiecture and terminology

- Short term memory/ recent events are collectively now Cognitive Buffer (Tier 1)

- Long term memory/ memory ledgers are just Memory Ledger (Tier 2)

- Dossiers stay Dossiers (Tier 3)

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

@@ -177,13 +177,13 @@ export function ConfigView() {
                   {
                     key: "handoff",
                     label: "Memory Handoff Engine",
-                    desc: "Promotes entities' working memories to the long-term Ledger via LLM summarization and pruning.",
+                    desc: "Promotes entities' Cognitive Buffer entries to the Memory Ledger via LLM summarization and pruning.",
                     type: "generative",
                   },
                   {
                     key: "embeddings",
                     label: "Text Embeddings Generator",
-                    desc: "Generates vector embeddings for long-term memory retrieval.",
+                    desc: "Generates vector embeddings for Memory Ledger retrieval.",
                     type: "embedding",
                   },
                 ].map((task) => (

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

@@ -113,17 +113,17 @@ export function HandoffModal({ entry, onClose }: HandoffModalProps) {
               {chunks.length === 0 ? (
                 <div className="border border-dotted border-border/30 p-8 text-center bg-card text-muted-foreground rounded">
                   <p className="text-sm">
-                    No memories were promoted to the Ledger during this turn.
+                    No memories were promoted to the Memory Ledger during this
+                    turn.
                   </p>
                   <p className="text-xs mt-1">
-                    All working memory buffer entries were summarized or
-                    forgotten.
+                    All Cognitive Buffer entries were summarized or forgotten.
                   </p>
                 </div>
               ) : (
                 <div className="space-y-4">
                   <h3 className="text-xs font-semibold uppercase tracking-wider text-muted-foreground font-mono">
-                    Ledger Additions
+                    Memory Ledger Additions
                   </h3>
                   {chunks.map((chunk: any, index: number) => (
                     <div

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

@@ -167,7 +167,8 @@ export function InteractView({
                       Handoff triggered for {entry.entityName}
                     </AlertTitle>
                     <AlertDescription>
-                      Memories were transferred from Buffer to Memory Ledger
+                      Memories were transferred from Cognitive Buffer to Memory
+                      Ledger
                     </AlertDescription>
                   </div>
                   <AlertAction>

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

@@ -30,8 +30,8 @@ export function PromptModal({ entry, onClose }: PromptModalProps) {
     userContext: string,
     inputTokens: number,
   ) => {
-    const recentHeader = "=== RECENT EVENTS ===";
-    const ledgerHeader = "=== YOUR MEMORIES ===";
+    const recentHeader = "=== COGNITIVE BUFFER ===";
+    const ledgerHeader = "=== MEMORY LEDGER ===";
 
     const recentIdx = userContext.indexOf(recentHeader);
     let worldStr = userContext;
@@ -54,14 +54,14 @@ export function PromptModal({ entry, onClose }: PromptModalProps) {
       { label: "System Prompt", type: "system", content: systemPrompt },
       { label: "World Info", type: "world", content: worldStr },
       {
-        label: "Recent Events",
+        label: "Cognitive Buffer",
         type: "events",
-        content: recentStr || "(No recent events.)",
+        content: recentStr || "(No cognitive buffer entries.)",
       },
       {
-        label: "Long-Term Memories",
+        label: "Memory Ledger",
         type: "memories",
-        content: ledgerStr || "(No long-term memories.)",
+        content: ledgerStr || "(No memory buffer entries.)",
       },
     ];
 

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

@@ -3,7 +3,7 @@ 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).
+ * buffer entries to warrant a handoff (compression to the Memory Ledger).
  */
 export async function runHandoffResolution(session: SimSession): Promise<void> {
   const worldState = session.coreRepo.loadWorldState(session.worldInstanceId);
@@ -49,7 +49,7 @@ export async function runHandoffResolution(session: SimSession): Promise<void> {
           turn: session.turn,
           entityId: entity.id,
           entityName,
-          narrativeProse: `Handoff triggered for ${entityName}: memories were transferred from Buffer to Memory Ledger`,
+          narrativeProse: `Handoff triggered for ${entityName}: memories were transferred from Cognitive Buffer to Memory Ledger`,
           intents: [],
           timestamp: worldState.clock.get().toISOString(),
           isHandoff: true,