feat(P2): stock/music-lab/insta-lab/realestate-lab access_log 적용 + AGENT_CONTAINER_MAP 4개 매핑

insta-lab/app/main.py

@@ -10,6 +10,7 @@ from fastapi import FastAPI, HTTPException, BackgroundTasks, Body, Query
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import FileResponse
 from pydantic import BaseModel
+from _shared.access_log import install as install_access_log
 
 from .config import (
     CORS_ALLOW_ORIGINS, NAVER_CLIENT_ID, ANTHROPIC_API_KEY,
@@ -27,6 +28,7 @@ REDIS_URL = os.getenv("REDIS_URL", "redis://redis:6379")
 redis_client = aioredis.from_url(REDIS_URL, decode_responses=False)
 
 app = FastAPI()
+install_access_log(app)
 app.include_router(internal_router)
 
 app.add_middleware(