移除退役策划 V2 流式事件订阅

删除 planning-session-v2-stream 事件监听与旧实时回复错误处理

保留新版 Design Agent 事件订阅链路

apps/ai-game-creator-shell/src/App.tsx

@@ -234,7 +234,6 @@ import {
   planningMessagesToChatMessages,
   planningResultDisplayText,
   type PlanningSessionCommandResultV2,
-  type PlanningSessionStreamEventV2,
   planningSessionToPlanGddState,
   planningSessionToRuntime,
 } from './features/project-workspace/planningSessionV2';
@@ -2021,62 +2020,6 @@ export function App({
     updateProjectSupervisorRuntime,
   ]);
 
-  useEffect(() => {
-    if (!canSubscribeTauriEvents() || !planningV2Active) {
-      return;
-    }
-    let cleanup: (() => void) | null = null;
-    let disposed = false;
-    void subscribeTauriEvent<PlanningSessionStreamEventV2>(
-      'planning-session-v2-stream',
-      (event) => {
-        const payload = event.payload;
-        const trackedTurn = planningV2TurnRef.current;
-        if (!trackedTurn || payload.clientTurnId !== trackedTurn.clientTurnId) {
-          return;
-        }
-        if (payload.status === 'started') {
-          setPlanningV2TransientReplyTarget(
-            payload.accumulatedText || '正在生成策划方案…',
-          );
-          setProjectSupervisorRuntimeError('');
-        }
-        if (
-          payload.status === 'delta' &&
-          (payload.accumulatedText || payload.deltaText)
-        ) {
-          setPlanningV2TransientReplyTarget(
-            payload.accumulatedText || payload.deltaText,
-          );
-          setProjectSupervisorRuntimeError('');
-        }
-        if (payload.status === 'failed' && payload.error?.summary) {
-          setProjectSupervisorRuntimeError(payload.error.summary);
-        }
-      },
-    )
-      .then((unlisten) => {
-        if (disposed) {
-          unlisten();
-          return;
-        }
-        cleanup = unlisten;
-      })
-      .catch((error) => {
-        if (!disposed) {
-          setProjectSupervisorRuntimeError(
-            `Planning V2 实时回复不可用：${
-              error instanceof Error ? error.message : String(error)
-            }`,
-          );
-        }
-      });
-    return () => {
-      disposed = true;
-      cleanup?.();
-    };
-  }, [planningV2Active]);
-
   useEffect(() => {
     const ready = createDesignAgentEventSubscriptionReady();
     if (!canSubscribeTauriEvents() || !planningV2Active) {