feat: add project-aware agent workspace

tests/browser/support/mock-agent-api.ts

@@ -34,6 +34,9 @@ export async function mockAgentApi(page: Page, options: MockAgentApiOptions = {}
     }
 
     const pathname = new URL(route.request().url()).pathname;
+    if (pathname.endsWith("/topics") && route.request().method() === "GET") {
+      await route.fulfill({ headers: corsHeaders, json: { topics: [] } }); return;
+    }
 
     if (pathname.endsWith("/suggestions") && route.request().method() === "POST") {
       await route.fulfill({ headers: corsHeaders, json: {
@@ -94,13 +97,14 @@ export async function mockAgentApi(page: Page, options: MockAgentApiOptions = {}
     const sessionMatch = pathname.match(/\/session\/([^/]+)$/);
     if (sessionMatch && route.request().method() === "GET") {
       const collaboration = sessionMatch[1].startsWith("collaboration-");
+      const stored = options.sessions?.find((session) => (session.session_id ?? session.id) === sessionMatch[1]);
       await route.fulfill({
         headers: corsHeaders,
         json: {
           id: sessionMatch[1],
           session_id: sessionMatch[1],
-          title: collaboration ? "任务协作问答" : "水质投诉事件调查",
-          purpose: collaboration ? "task_collaboration" : "ordinary_chat",
+          title: stored?.title ?? (collaboration ? "任务协作问答" : "水质投诉事件调查"),
+          purpose: stored?.purpose ?? (collaboration ? "task_collaboration" : "ordinary_chat"),
           task_id: collaboration ? sessionMatch[1].slice("collaboration-".length) : undefined,
           status: "active",
           created_at: "2026-09-22T02:00:00Z",