feat: Implement tier 1 memory buffer

tests/evals/intent-decoder.eval.ts

@@ -41,5 +41,35 @@ describe("IntentDecoder Live Eval (Tier 3)", () => {
     expect(actionIntent).toBeDefined();
     expect(actionIntent!.actorId).toBe("alice");
     expect(actionIntent!.originalText).toContain("slipped the silver key");
-  });
+  }, 15000);
+
+  test("resolves targets correctly using the actor's subjective alias map", async () => {
+    expect(llmConfig.GOOGLE_API_KEY).toBeDefined();
+    
+    const provider = new GeminiProvider(llmConfig.GOOGLE_API_KEY);
+    const decoder = new IntentDecoder(provider);
+
+    const world = new WorldState("world-xyz");
+    const alice = new Entity("alice");
+    const bob = new Entity("bob");
+    
+    // Register alias mapping: Bob is known to Alice as "the hooded stranger"
+    alice.aliases.set("bob", "the hooded stranger");
+    
+    world.addEntity(alice);
+    world.addEntity(bob);
+
+    // Narrative prose referring to Bob only by the subjective alias
+    const narrativeProse = "Alice handed the silver key to the hooded stranger.";
+
+    const result = await decoder.decode(world, "alice", narrativeProse);
+
+    expect(result.intents).toHaveLength(1);
+    const intent = result.intents[0];
+    
+    expect(intent.type).toBe("action");
+    expect(intent.actorId).toBe("alice");
+    // Verify target resolution resolved the alias back to the correct system entity ID
+    expect(intent.targetIds).toContain("bob");
+  }, 15000);
 });