style: auto-format with black + isort + prettier [skip ci-format-check]

tests/unit/test_config_schemas_and_ai_endpoints.py

@@ -233,9 +233,10 @@ class TestAIRunTasks:
 
     def test_run_generate_cover_ai_frame_raises_without_mediakit(self):
         """ai_frame cover raises RuntimeError when MediaKit is unavailable."""
-        from apps.worker.worker_app.tasks.ai_tasks import run_generate_cover
         import pytest
 
+        from apps.worker.worker_app.tasks.ai_tasks import run_generate_cover
+
         with pytest.raises(RuntimeError, match="MediaKit"):
             run_generate_cover(
                 plan_id="plan-001",

tests/unit/test_mediakit_cover.py

@@ -174,9 +174,10 @@ class TestAICoverService:
         mock_client.extract_frames.side_effect = Exception("API error")
         mock_get_client.return_value = mock_client
 
-        from packages.shared.ai_service import _call_ai_cover_service
         import pytest
 
+        from packages.shared.ai_service import _call_ai_cover_service
+
         with pytest.raises(RuntimeError, match="MediaKit"):
             _call_ai_cover_service(
                 plan_id="plan-123",
@@ -187,9 +188,10 @@ class TestAICoverService:
 
     def test_call_ai_cover_without_video_url_raises(self):
         """没有视频 URL 时抛出 RuntimeError（不再降级到 stub）."""
-        from packages.shared.ai_service import _call_ai_cover_service
         import pytest
 
+        from packages.shared.ai_service import _call_ai_cover_service
+
         with pytest.raises(RuntimeError, match="MediaKit"):
             _call_ai_cover_service(
                 plan_id="plan-123",
@@ -234,9 +236,10 @@ class TestAICoverService:
         mock_client.is_available = False
         mock_get_client.return_value = mock_client
 
-        from packages.shared.ai_service import _call_ai_cover_service
         import pytest
 
+        from packages.shared.ai_service import _call_ai_cover_service
+
         with pytest.raises(RuntimeError, match="MediaKit"):
             _call_ai_cover_service(
                 plan_id="plan-123",
@@ -253,9 +256,10 @@ class TestAICoverService:
         mock_client.extract_frames.return_value = []
         mock_get_client.return_value = mock_client
 
-        from packages.shared.ai_service import _call_ai_cover_service
         import pytest
 
+        from packages.shared.ai_service import _call_ai_cover_service
+
         with pytest.raises(RuntimeError, match="MediaKit"):
             _call_ai_cover_service(
                 plan_id="plan-123",