fix(agent): 恢复桌面端执行轨迹

backend/app/main.py

@@ -62,7 +62,12 @@ app = FastAPI(
 
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["http://127.0.0.1:5173", "http://localhost:5173"],
+    allow_origins=[
+        "http://127.0.0.1:5173",
+        "http://localhost:5173",
+        "http://tauri.localhost",
+        "tauri://localhost",
+    ],
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],

backend/tests/test_api.py

@@ -77,6 +77,18 @@ def test_health() -> None:
     assert response.model_dump() == {"status": "ok"}
 
 
+@pytest.mark.parametrize("origin", ["http://tauri.localhost", "tauri://localhost"])
+def test_desktop_origins_can_read_streaming_api(origin: str) -> None:
+    from fastapi.testclient import TestClient
+
+    from app.main import app
+
+    response = TestClient(app).get("/health", headers={"Origin": origin})
+
+    assert response.status_code == 200
+    assert response.headers["access-control-allow-origin"] == origin
+
+
 def test_mcp_create_and_trust_are_not_executed_on_event_loop(monkeypatch) -> None:
     from app import routes
     from app.contracts import McpServerCreateRequest, McpServerTrustRequest