STOCKLAB AUDIT REMEDIATION RC STAMP=20260910-224500 BASE_IMAGE=localhost/stocklab-backend:audit-remediation-20260910-212530 FINDINGS: SL-006 provider-derived price currency SL-007 NULLS NOT DISTINCT financial-period uniqueness SL-008 HTTPX TransportError retry coverage SL-009 empty financial-period response protection GATES: SOURCE_SNAPSHOT=PASS SL006_PATCH=PASS SL007_MIGRATION_STATIC=PASS SL008_PATCH=PASS SL009_PATCH=PASS PY_COMPILE=PASS STATIC_CONTRACT_GATE=PASS PRODUCTION: PRODUCTION_DATABASE_TOUCHED=FALSE PRODUCTION_CONTAINERS_RESTARTED=FALSE PRODUCTION_IMAGE_REBUILT=FALSE PRODUCTION_DEPLOYED=FALSE PRODUCTION_PORTS_CHANGED=FALSE