diff --git a/.gitignore b/.gitignore
index f9acc08..8820074 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,10 @@
 .DS_Store
 *.pem
 
+# Python（运行产物）
+__pycache__/
+*.py[cod]
+
 # Node / JS
 node_modules/
 npm-debug.*
diff --git a/server/alembic/__pycache__/env.cpython-313.pyc b/server/alembic/__pycache__/env.cpython-313.pyc
deleted file mode 100644
index 2e046b7..0000000
Binary files a/server/alembic/__pycache__/env.cpython-313.pyc and /dev/null differ
diff --git a/server/alembic/versions/__pycache__/0001_init_content_tables.cpython-313.pyc b/server/alembic/versions/__pycache__/0001_init_content_tables.cpython-313.pyc
deleted file mode 100644
index 4ad3518..0000000
Binary files a/server/alembic/versions/__pycache__/0001_init_content_tables.cpython-313.pyc and /dev/null differ
diff --git a/server/app/__pycache__/__init__.cpython-313.pyc b/server/app/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 8667beb..0000000
Binary files a/server/app/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/__pycache__/__init__.cpython-314.pyc b/server/app/__pycache__/__init__.cpython-314.pyc
deleted file mode 100644
index b22c8e6..0000000
Binary files a/server/app/__pycache__/__init__.cpython-314.pyc and /dev/null differ
diff --git a/server/app/__pycache__/main.cpython-313.pyc b/server/app/__pycache__/main.cpython-313.pyc
deleted file mode 100644
index 5d626d7..0000000
Binary files a/server/app/__pycache__/main.cpython-313.pyc and /dev/null differ
diff --git a/server/app/__pycache__/main.cpython-314.pyc b/server/app/__pycache__/main.cpython-314.pyc
deleted file mode 100644
index 73e5465..0000000
Binary files a/server/app/__pycache__/main.cpython-314.pyc and /dev/null differ
diff --git a/server/app/api/__pycache__/__init__.cpython-313.pyc b/server/app/api/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 5248b76..0000000
Binary files a/server/app/api/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/api/__pycache__/limits.cpython-313.pyc b/server/app/api/__pycache__/limits.cpython-313.pyc
deleted file mode 100644
index 524957c..0000000
Binary files a/server/app/api/__pycache__/limits.cpython-313.pyc and /dev/null differ
diff --git a/server/app/api/v1/__pycache__/__init__.cpython-313.pyc b/server/app/api/v1/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 3ee1056..0000000
Binary files a/server/app/api/v1/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/api/v1/__pycache__/reco.cpython-313.pyc b/server/app/api/v1/__pycache__/reco.cpython-313.pyc
deleted file mode 100644
index d2c99b0..0000000
Binary files a/server/app/api/v1/__pycache__/reco.cpython-313.pyc and /dev/null differ
diff --git a/server/app/api/v1/__pycache__/user_profile_scoring.cpython-313.pyc b/server/app/api/v1/__pycache__/user_profile_scoring.cpython-313.pyc
deleted file mode 100644
index 78f639e..0000000
Binary files a/server/app/api/v1/__pycache__/user_profile_scoring.cpython-313.pyc and /dev/null differ
diff --git a/server/app/core/__pycache__/config.cpython-313.pyc b/server/app/core/__pycache__/config.cpython-313.pyc
deleted file mode 100644
index 0abbd93..0000000
Binary files a/server/app/core/__pycache__/config.cpython-313.pyc and /dev/null differ
diff --git a/server/app/core/__pycache__/config.cpython-314.pyc b/server/app/core/__pycache__/config.cpython-314.pyc
deleted file mode 100644
index 319065d..0000000
Binary files a/server/app/core/__pycache__/config.cpython-314.pyc and /dev/null differ
diff --git a/server/app/db/__pycache__/base.cpython-313.pyc b/server/app/db/__pycache__/base.cpython-313.pyc
deleted file mode 100644
index 20caa2e..0000000
Binary files a/server/app/db/__pycache__/base.cpython-313.pyc and /dev/null differ
diff --git a/server/app/db/__pycache__/session.cpython-313.pyc b/server/app/db/__pycache__/session.cpython-313.pyc
deleted file mode 100644
index fa65eb9..0000000
Binary files a/server/app/db/__pycache__/session.cpython-313.pyc and /dev/null differ
diff --git a/server/app/db/models/__pycache__/__init__.cpython-313.pyc b/server/app/db/models/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 3d81433..0000000
Binary files a/server/app/db/models/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/db/models/__pycache__/content.cpython-313.pyc b/server/app/db/models/__pycache__/content.cpython-313.pyc
deleted file mode 100644
index dd275b2..0000000
Binary files a/server/app/db/models/__pycache__/content.cpython-313.pyc and /dev/null differ
diff --git a/server/app/db/models/__pycache__/content_profile.cpython-313.pyc b/server/app/db/models/__pycache__/content_profile.cpython-313.pyc
deleted file mode 100644
index addf96c..0000000
Binary files a/server/app/db/models/__pycache__/content_profile.cpython-313.pyc and /dev/null differ
diff --git a/server/app/db/models/__pycache__/content_risk_flag.cpython-313.pyc b/server/app/db/models/__pycache__/content_risk_flag.cpython-313.pyc
deleted file mode 100644
index 83454c5..0000000
Binary files a/server/app/db/models/__pycache__/content_risk_flag.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/__pycache__/__init__.cpython-313.pyc b/server/app/features/personalized_reco/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 0b7ae0b..0000000
Binary files a/server/app/features/personalized_reco/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/content_repository/__pycache__/__init__.cpython-313.pyc b/server/app/features/personalized_reco/content_repository/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 3559bcf..0000000
Binary files a/server/app/features/personalized_reco/content_repository/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/content_repository/__pycache__/interface.cpython-313.pyc b/server/app/features/personalized_reco/content_repository/__pycache__/interface.cpython-313.pyc
deleted file mode 100644
index 3372a09..0000000
Binary files a/server/app/features/personalized_reco/content_repository/__pycache__/interface.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/content_repository/__pycache__/normalization.cpython-313.pyc b/server/app/features/personalized_reco/content_repository/__pycache__/normalization.cpython-313.pyc
deleted file mode 100644
index 21889a1..0000000
Binary files a/server/app/features/personalized_reco/content_repository/__pycache__/normalization.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/content_repository/__pycache__/sqlalchemy_repo.cpython-313.pyc b/server/app/features/personalized_reco/content_repository/__pycache__/sqlalchemy_repo.cpython-313.pyc
deleted file mode 100644
index 8b4b65a..0000000
Binary files a/server/app/features/personalized_reco/content_repository/__pycache__/sqlalchemy_repo.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/content_repository/__pycache__/types.cpython-313.pyc b/server/app/features/personalized_reco/content_repository/__pycache__/types.cpython-313.pyc
deleted file mode 100644
index d482a86..0000000
Binary files a/server/app/features/personalized_reco/content_repository/__pycache__/types.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/observability/__pycache__/__init__.cpython-313.pyc b/server/app/features/personalized_reco/observability/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index e05858c..0000000
Binary files a/server/app/features/personalized_reco/observability/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/observability/__pycache__/builder.cpython-313.pyc b/server/app/features/personalized_reco/observability/__pycache__/builder.cpython-313.pyc
deleted file mode 100644
index 841bac1..0000000
Binary files a/server/app/features/personalized_reco/observability/__pycache__/builder.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/observability/__pycache__/types.cpython-313.pyc b/server/app/features/personalized_reco/observability/__pycache__/types.cpython-313.pyc
deleted file mode 100644
index c499882..0000000
Binary files a/server/app/features/personalized_reco/observability/__pycache__/types.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/observability/__pycache__/utils.cpython-313.pyc b/server/app/features/personalized_reco/observability/__pycache__/utils.cpython-313.pyc
deleted file mode 100644
index a29b432..0000000
Binary files a/server/app/features/personalized_reco/observability/__pycache__/utils.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/reco_engine/__pycache__/__init__.cpython-313.pyc b/server/app/features/personalized_reco/reco_engine/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 3a59f9d..0000000
Binary files a/server/app/features/personalized_reco/reco_engine/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/reco_engine/__pycache__/defaults.cpython-313.pyc b/server/app/features/personalized_reco/reco_engine/__pycache__/defaults.cpython-313.pyc
deleted file mode 100644
index f729ebf..0000000
Binary files a/server/app/features/personalized_reco/reco_engine/__pycache__/defaults.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/reco_engine/__pycache__/hard_filter.cpython-313.pyc b/server/app/features/personalized_reco/reco_engine/__pycache__/hard_filter.cpython-313.pyc
deleted file mode 100644
index 0d61a62..0000000
Binary files a/server/app/features/personalized_reco/reco_engine/__pycache__/hard_filter.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/reco_engine/__pycache__/orchestrator.cpython-313.pyc b/server/app/features/personalized_reco/reco_engine/__pycache__/orchestrator.cpython-313.pyc
deleted file mode 100644
index 2abe645..0000000
Binary files a/server/app/features/personalized_reco/reco_engine/__pycache__/orchestrator.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/reco_engine/__pycache__/types.cpython-313.pyc b/server/app/features/personalized_reco/reco_engine/__pycache__/types.cpython-313.pyc
deleted file mode 100644
index 13f2238..0000000
Binary files a/server/app/features/personalized_reco/reco_engine/__pycache__/types.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/reco_engine/__pycache__/utils.cpython-313.pyc b/server/app/features/personalized_reco/reco_engine/__pycache__/utils.cpython-313.pyc
deleted file mode 100644
index 51a8ea0..0000000
Binary files a/server/app/features/personalized_reco/reco_engine/__pycache__/utils.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/__init__.cpython-313.pyc b/server/app/features/personalized_reco/rerank_freqcap/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 7c19f18..0000000
Binary files a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/defaults.cpython-313.pyc b/server/app/features/personalized_reco/rerank_freqcap/__pycache__/defaults.cpython-313.pyc
deleted file mode 100644
index 6818a27..0000000
Binary files a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/defaults.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/rerank.cpython-313.pyc b/server/app/features/personalized_reco/rerank_freqcap/__pycache__/rerank.cpython-313.pyc
deleted file mode 100644
index 6cad5b1..0000000
Binary files a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/rerank.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/types.cpython-313.pyc b/server/app/features/personalized_reco/rerank_freqcap/__pycache__/types.cpython-313.pyc
deleted file mode 100644
index 202cb02..0000000
Binary files a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/types.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/utils.cpython-313.pyc b/server/app/features/personalized_reco/rerank_freqcap/__pycache__/utils.cpython-313.pyc
deleted file mode 100644
index 65c226f..0000000
Binary files a/server/app/features/personalized_reco/rerank_freqcap/__pycache__/utils.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/scoring/__pycache__/__init__.cpython-313.pyc b/server/app/features/personalized_reco/scoring/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 025ca82..0000000
Binary files a/server/app/features/personalized_reco/scoring/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/scoring/__pycache__/defaults.cpython-313.pyc b/server/app/features/personalized_reco/scoring/__pycache__/defaults.cpython-313.pyc
deleted file mode 100644
index 91ae80e..0000000
Binary files a/server/app/features/personalized_reco/scoring/__pycache__/defaults.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/scoring/__pycache__/score.cpython-313.pyc b/server/app/features/personalized_reco/scoring/__pycache__/score.cpython-313.pyc
deleted file mode 100644
index 44d277a..0000000
Binary files a/server/app/features/personalized_reco/scoring/__pycache__/score.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/scoring/__pycache__/types.cpython-313.pyc b/server/app/features/personalized_reco/scoring/__pycache__/types.cpython-313.pyc
deleted file mode 100644
index 1283dac..0000000
Binary files a/server/app/features/personalized_reco/scoring/__pycache__/types.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/personalized_reco/scoring/__pycache__/utils.cpython-313.pyc b/server/app/features/personalized_reco/scoring/__pycache__/utils.cpython-313.pyc
deleted file mode 100644
index dc4b833..0000000
Binary files a/server/app/features/personalized_reco/scoring/__pycache__/utils.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/user_profile_scoring/__pycache__/__init__.cpython-313.pyc b/server/app/features/user_profile_scoring/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index d7ceb7a..0000000
Binary files a/server/app/features/user_profile_scoring/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/user_profile_scoring/__pycache__/scoring.cpython-313.pyc b/server/app/features/user_profile_scoring/__pycache__/scoring.cpython-313.pyc
deleted file mode 100644
index 553856e..0000000
Binary files a/server/app/features/user_profile_scoring/__pycache__/scoring.cpython-313.pyc and /dev/null differ
diff --git a/server/app/features/user_profile_scoring/__pycache__/types.cpython-313.pyc b/server/app/features/user_profile_scoring/__pycache__/types.cpython-313.pyc
deleted file mode 100644
index 6b4d131..0000000
Binary files a/server/app/features/user_profile_scoring/__pycache__/types.cpython-313.pyc and /dev/null differ
diff --git a/server/app/tasks/__pycache__/__init__.cpython-313.pyc b/server/app/tasks/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 181caaa..0000000
Binary files a/server/app/tasks/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/server/app/tasks/__pycache__/reco.cpython-313.pyc b/server/app/tasks/__pycache__/reco.cpython-313.pyc
deleted file mode 100644
index 70900b2..0000000
Binary files a/server/app/tasks/__pycache__/reco.cpython-313.pyc and /dev/null differ
diff --git a/server/tests/__pycache__/conftest.cpython-313-pytest-9.0.2.pyc b/server/tests/__pycache__/conftest.cpython-313-pytest-9.0.2.pyc
deleted file mode 100644
index 3783d2f..0000000
Binary files a/server/tests/__pycache__/conftest.cpython-313-pytest-9.0.2.pyc and /dev/null differ
diff --git a/server/tests/__pycache__/test_content_repository.cpython-313-pytest-9.0.2.pyc b/server/tests/__pycache__/test_content_repository.cpython-313-pytest-9.0.2.pyc
deleted file mode 100644
index 1800d81..0000000
Binary files a/server/tests/__pycache__/test_content_repository.cpython-313-pytest-9.0.2.pyc and /dev/null differ
diff --git a/server/tests/__pycache__/test_integration_api_worker.cpython-313-pytest-9.0.2.pyc b/server/tests/__pycache__/test_integration_api_worker.cpython-313-pytest-9.0.2.pyc
deleted file mode 100644
index 40c983d..0000000
Binary files a/server/tests/__pycache__/test_integration_api_worker.cpython-313-pytest-9.0.2.pyc and /dev/null differ
diff --git a/server/tests/__pycache__/test_observability.cpython-313-pytest-9.0.2.pyc b/server/tests/__pycache__/test_observability.cpython-313-pytest-9.0.2.pyc
deleted file mode 100644
index 7654722..0000000
Binary files a/server/tests/__pycache__/test_observability.cpython-313-pytest-9.0.2.pyc and /dev/null differ
diff --git a/server/tests/__pycache__/test_reco_engine.cpython-313-pytest-9.0.2.pyc b/server/tests/__pycache__/test_reco_engine.cpython-313-pytest-9.0.2.pyc
deleted file mode 100644
index a663384..0000000
Binary files a/server/tests/__pycache__/test_reco_engine.cpython-313-pytest-9.0.2.pyc and /dev/null differ
diff --git a/server/tests/__pycache__/test_rerank_freqcap.cpython-313-pytest-9.0.2.pyc b/server/tests/__pycache__/test_rerank_freqcap.cpython-313-pytest-9.0.2.pyc
deleted file mode 100644
index f330060..0000000
Binary files a/server/tests/__pycache__/test_rerank_freqcap.cpython-313-pytest-9.0.2.pyc and /dev/null differ
diff --git a/server/tests/__pycache__/test_scoring.cpython-313-pytest-9.0.2.pyc b/server/tests/__pycache__/test_scoring.cpython-313-pytest-9.0.2.pyc
deleted file mode 100644
index a523139..0000000
Binary files a/server/tests/__pycache__/test_scoring.cpython-313-pytest-9.0.2.pyc and /dev/null differ