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requirements.txt

@@ -9,6 +9,11 @@ pydantic-settings
 sqlalchemy
 psycopg2-binary==2.9.10
 slowapi==0.1.9
+limits==3.3.1   # slowapi 0.1.9's own poetry.lock pins this; left unpinned it resolves
+                # to a much newer major version whose internal API to slowapi breaks
+                # (Limiter._check_request_limit raises a plain ValueError instead of
+                # RateLimitExceeded, which slowapi's middleware mishandles as an
+                # unhandled 500 on every request touching a rate limit)
 prometheus-fastapi-instrumentator==7.1.0
 flake8==7.2.0
 cryptography==50.0.0