fix: verify Cursor chat store before reopen (#1037)

* test: reproduce issue #841

* test: cover Cursor chat store discovery

* fix: verify Cursor chat store before resume (closes #841)

* test: preserve non-Cursor resume behavior

* test: cover conservative Cursor resume gating

* fix: gate Cursor reopen until store verification

* test: cover legacy Cursor drawer fallback

* fix: scan unique legacy Cursor store drawer

* test: preserve raw Cursor workspace path hashing

* fix: hash raw Cursor workspace path

* test: pin Cursor probe owner and machine

* fix: probe Cursor store on recorded owner

* test: normalize Cursor probe owner home

* fix: normalize Cursor probe owner home

web/src/api/client.test.ts

@@ -79,4 +79,17 @@ describe('ApiClient error mapping', () => {
             expect(apiError.body).toContain('cursorSessionId')
         }
     })
+
+    it('loads the Cursor chat store status for the selected session', async () => {
+        fetchMock.mockResolvedValueOnce(
+            new Response(JSON.stringify({ onDisk: false, store: null }), { status: 200 })
+        )
+
+        const api = new ApiClient('test-token')
+        await expect(api.getCursorChatStoreStatus('session cursor')).resolves.toEqual({
+            onDisk: false,
+            store: null
+        })
+        expect(fetchMock.mock.calls[0]?.[0]).toBe('/api/sessions/session%20cursor/cursor-chat-store')
+    })
 })

web/src/api/client.ts

@@ -27,6 +27,7 @@ import type {
     CodexModelsResponse,
     CursorMigrateOutcome,
     CursorMigrateToAcpRequest,
+    CursorChatStoreStatus,
     CursorModelsResponse,
     DeleteUploadResponse,
     FileReadResponse,
@@ -389,6 +390,12 @@ export class ApiClient {
         return response.sessionId
     }
 
+    async getCursorChatStoreStatus(sessionId: string): Promise<CursorChatStoreStatus> {
+        return await this.request<CursorChatStoreStatus>(
+            `/api/sessions/${encodeURIComponent(sessionId)}/cursor-chat-store`
+        )
+    }
+
     async sendMessage(sessionId: string, text: string, localId?: string | null, attachments?: AttachmentMetadata[], scheduledAt?: number | null): Promise<void> {
         await this.request(`/api/sessions/${encodeURIComponent(sessionId)}/messages`, {
             method: 'POST',