def test_dashboard_overview_uses_persisted_records(client, db_session):
    from models import ProcessingTask

    project_pending = client.post("/api/projects", json={
        "name": "Pending Project",
        "status": "pending",
    }).json()
    project_ready = client.post("/api/projects", json={
        "name": "Ready Project",
        "status": "ready",
    }).json()
    frame = client.post(f"/api/projects/{project_pending['id']}/frames", json={
        "project_id": project_pending["id"],
        "frame_index": 0,
        "image_url": "frames/0.jpg",
        "width": 640,
        "height": 360,
    }).json()
    template = client.post("/api/templates", json={
        "name": "Dashboard Template",
        "color": "#06b6d4",
        "z_index": 0,
        "classes": [],
        "rules": [],
    }).json()
    annotation = client.post("/api/ai/annotate", json={
        "project_id": project_pending["id"],
        "frame_id": frame["id"],
        "template_id": template["id"],
        "mask_data": {"polygons": [[[0.1, 0.1], [0.9, 0.1], [0.9, 0.9]]]},
    })
    assert annotation.status_code == 201
    task = ProcessingTask(
        task_type="parse_video",
        status="running",
        progress=35,
        message="正在使用 FFmpeg/OpenCV 拆帧",
        project_id=project_pending["id"],
        payload={"source_type": "video"},
    )
    db_session.add(task)
    db_session.commit()
    db_session.refresh(task)

    response = client.get("/api/dashboard/overview")

    assert response.status_code == 200
    body = response.json()
    assert body["summary"]["project_count"] == 2
    assert body["summary"]["frame_count"] == 1
    assert body["summary"]["annotation_count"] == 1
    assert body["summary"]["template_count"] == 1
    assert body["summary"]["parsing_task_count"] == 1
    assert body["tasks"] == [
        {
            "id": f"task-{task.id}",
            "task_id": task.id,
            "project_id": project_pending["id"],
            "name": "Pending Project",
            "progress": 35,
            "status": "正在使用 FFmpeg/OpenCV 拆帧",
            "raw_status": "running",
            "frame_count": 0,
            "error": None,
            "updated_at": body["tasks"][0]["updated_at"],
        },
    ]
    assert any(item["kind"] == "task" for item in body["activity"])
    assert any(item["kind"] == "annotation" for item in body["activity"])
    assert any(item["kind"] == "template" for item in body["activity"])
    assert all(item["name"] != "Ready Project" for item in body["tasks"])