修复旧版设计 Brief 媒介兼容

tests/unit/works-square-design-workspace.test.ts

@@ -232,6 +232,30 @@ describe('Works Square AI design adapter', () => {
     );
   });
 
+  it('normalizes a missing Brief medium to null and rejects invalid non-null values', async () => {
+    const { medium: _medium, ...legacyBrief } = serverConversation.brief;
+    const legacyConversation = {
+      ...serverConversation,
+      brief: legacyBrief,
+    };
+    const invalidConversation = {
+      ...serverConversation,
+      brief: { ...serverConversation.brief, medium: 'audio' },
+    };
+    const fetchMock = vi.fn<typeof fetch>()
+      .mockResolvedValueOnce(jsonResponse(legacyConversation))
+      .mockResolvedValueOnce(jsonResponse(invalidConversation));
+    const adapter = new WorksSquareDesignWorkspace({
+      apiBaseUrl: 'https://square.example',
+      fetchImpl: fetchMock,
+    });
+
+    await expect(adapter.getConversation('workspace-one', 'conversation-one'))
+      .resolves.toMatchObject({ brief: { medium: null } });
+    await expect(adapter.getConversation('workspace-one', 'conversation-one'))
+      .rejects.toMatchObject({ code: 'DESIGN_WORKSPACE_RESPONSE_INVALID' });
+  });
+
   it('submits a conversation turn through the persistent Agent Gateway Session', async () => {
     const fetchMock = vi.fn<typeof fetch>()
       .mockResolvedValueOnce(jsonResponse(serverConversation))
@@ -940,6 +964,11 @@ describe('Works Square AI design adapter', () => {
   });
 
   it('reuses one design Agent Session and normalizes matching task events from fresh WebSocket tickets', async () => {
+    const { medium: _medium, ...legacyBrief } = serverConversation.brief;
+    const legacyConversation = {
+      ...serverConversation,
+      brief: legacyBrief,
+    };
     const snapshotTask = {
       task_id: 'task-snapshot',
       workspace_id: 'workspace-one',
@@ -964,10 +993,21 @@ describe('Works Square AI design adapter', () => {
         workspace_id: 'workspace-one',
         conversation_id: 'conversation-one',
         workspace_view_revision: 2,
-        conversation: serverConversation,
+        conversation: legacyConversation,
         generation_tasks: [snapshotTask],
       },
     };
+    const invalidSnapshotEvent = {
+      ...snapshotEvent,
+      sequence: 98,
+      payload: {
+        ...snapshotEvent.payload,
+        conversation: {
+          ...serverConversation,
+          brief: { ...serverConversation.brief, medium: 'audio' },
+        },
+      },
+    };
     const assistantDeltaEvent = {
       session_id: 'session-one',
       sequence: 2,
@@ -1038,6 +1078,7 @@ describe('Works Square AI design adapter', () => {
     const { sockets, webSocketFactory } = scriptedSockets([
       {
         frames: [
+          { type: 'event', event: invalidSnapshotEvent },
           { type: 'event', event: snapshotEvent },
           { type: 'event', event: malformedDeltaEvent },
           { type: 'event', event: assistantDeltaEvent },
@@ -1077,6 +1118,7 @@ describe('Works Square AI design adapter', () => {
         conversation: expect.objectContaining({
           conversationId: 'conversation-one',
           title: serverConversation.title,
+          brief: expect.objectContaining({ medium: null }),
           messages: [expect.objectContaining({
             text: serverConversation.messages[0].text,
           })],