2 files changed, 31 insertions, 0 deletions
diff --git a/src/features/conversation-cache/cache.test.ts b/src/features/conversation-cache/cache.test.ts
index c68ed0d..89e81b8 100644
--- a/src/features/conversation-cache/cache.test.ts
+++ b/src/features/conversation-cache/cache.test.ts
@@ -171,3 +171,27 @@ describe("cache.evictIfOverBudget", () => {
 		expect(evicted).toEqual([]);
 	});
 });
+
+describe("cache.delete", () => {
+	it("removes the conversation from the store", async () => {
+		const store = createFakeStore();
+		const cache = createConversationCache(store);
+
+		await store.append("conv-1", [chunk(1), chunk(2)]);
+		await cache.delete("conv-1");
+
+		const stored = await store.load("conv-1");
+		expect(stored).toEqual([]);
+	});
+
+	it("then load returns []", async () => {
+		const store = createFakeStore();
+		const cache = createConversationCache(store);
+
+		await cache.commit("conv-1", [chunk(1), chunk(2), chunk(3)]);
+		await cache.delete("conv-1");
+
+		const result = await cache.load("conv-1");
+		expect(result).toEqual([]);
+	});
+});
diff --git a/src/features/conversation-cache/cache.ts b/src/features/conversation-cache/cache.ts
index 4aab487..3d5743a 100644
--- a/src/features/conversation-cache/cache.ts
+++ b/src/features/conversation-cache/cache.ts
@@ -20,6 +20,9 @@ export interface ConversationCache {
 	 * Returns the evicted conversationIds.
 	 */
 	evictIfOverBudget(activeConversationId: string | null): Promise<readonly string[]>;
+
+	/** Delete all cached data for a single conversation (local forget). */
+	delete(conversationId: string): Promise<void>;
 }
 
 export interface ConversationCacheOptions {
@@ -67,5 +70,9 @@ export function createConversationCache(
 			}
 			return toEvict;
 		},
+
+		async delete(conversationId) {
+			await store.delete(conversationId);
+		},
 	};
 }