feat(music-lab): wire redis client + internal_router + compose env (SP-6)

main.py에 redis.asyncio client 추가 + internal_router include.
docker-compose의 music-lab에 REDIS_URL/INTERNAL_API_KEY/MUSIC_RENDER_URL.
SUNO_API_KEY 라인 제거 (spec §9 — Windows로 이전).
Plan-B-Music Phase 1.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -62,7 +62,6 @@ services:
     environment:
       - TZ=${TZ:-Asia/Seoul}
       - MUSIC_AI_SERVER_URL=${MUSIC_AI_SERVER_URL:-}
-      - SUNO_API_KEY=${SUNO_API_KEY:-}
       - MUSIC_MEDIA_BASE=${MUSIC_MEDIA_BASE:-/media/music}
       - CORS_ALLOW_ORIGINS=${CORS_ALLOW_ORIGINS:-http://localhost:3007,http://localhost:8080}
       - PEXELS_API_KEY=${PEXELS_API_KEY:-}
@@ -77,9 +76,14 @@ services:
       - WINDOWS_VIDEO_ENCODER_URL=${WINDOWS_VIDEO_ENCODER_URL:-}
       - NAS_VIDEOS_ROOT=${NAS_VIDEOS_ROOT:-/volume1/docker/webpage/data/videos}
       - NAS_MUSIC_ROOT=${NAS_MUSIC_ROOT:-/volume1/docker/webpage/data/music}
+      - REDIS_URL=${REDIS_URL:-redis://redis:6379}
+      - INTERNAL_API_KEY=${INTERNAL_API_KEY:-}
+      - MUSIC_RENDER_URL=${MUSIC_RENDER_URL:-http://192.168.45.59:18711}
     volumes:
       - ${RUNTIME_PATH}/data/music:/app/data
       - ${RUNTIME_PATH:-.}/data/videos:/app/data/videos
+    depends_on:
+      - redis
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
       interval: 60s

music-lab/app/main.py

@@ -36,9 +36,16 @@ from .suno_provider import (
     SUNO_API_KEY, SUNO_MODELS,
 )
 from .batch_generator import run_batch as _run_batch
+import redis.asyncio as aioredis
+from .internal_router import router as internal_router
 
 app = FastAPI()
 
+REDIS_URL = os.getenv("REDIS_URL", "redis://redis:6379")
+redis_client = aioredis.from_url(REDIS_URL, decode_responses=False)
+
+app.include_router(internal_router)
+
 _cors_origins = os.getenv("CORS_ALLOW_ORIGINS", "http://localhost:3007,http://localhost:8080").split(",")
 app.add_middleware(
     CORSMiddleware,

music-lab/requirements.txt

@@ -14,3 +14,4 @@ freezegun>=1.4
 google-api-python-client>=2.100
 google-auth-oauthlib>=1.2
 google-auth-httplib2>=0.2
+redis>=5.0