fix(domain,application,infrastructure,backend,app-tauri,frontend): Stop demande agent préserve la conversation ouverte — arrêt sans fermeture/clôture du chat, états cohérents après cancel sur les 3 adapters de session, cellule et workstate synchronisés — #343 (QA verte)

frontend/src/adapters/agent.test.ts

@@ -226,7 +226,15 @@ describe("TauriAgentGateway invoke payloads", () => {
   });
 
   it("cancelAgentChat invokes cancel_agent_chat without closing the session", async () => {
-    await new TauriAgentGateway().cancelAgentChat("chat-session-1");
+    const response = {
+      sessionId: "chat-session-1",
+      outcome: "cancelled" as const,
+    };
+    invoke.mockResolvedValueOnce(response);
+
+    await expect(
+      new TauriAgentGateway().cancelAgentChat("chat-session-1"),
+    ).resolves.toEqual(response);
 
     expect(invoke).toHaveBeenCalledWith("cancel_agent_chat", {
       sessionId: "chat-session-1",