음성 재생과 운영 배포 정리

apps/api/requirements.txt

@@ -1,11 +1,13 @@
-fastapi
-uvicorn[standard]
-asyncpg
-pydantic
-pydantic-settings
-python-multipart
-httpx
-sse-starlette
+# Direct runtime dependencies are pinned for transplantable Docker builds.
+# Re-pin only after running the backend tests and compose smoke.
+fastapi==0.111.0
+uvicorn[standard]==0.30.6
+asyncpg==0.31.0
+pydantic==2.9.2
+pydantic-settings==2.12.0
+python-multipart==0.0.18
+httpx==0.28.1
+sse-starlette==3.0.3
 
 # ── 선택 의존성 (가드레일 PII 마스킹) ─────────────────────────────
 # Presidio 가 설치되면 guardrail.mask_pii 가 NER 기반으로 동작하고,