chore(agent-office): redis 의존성 + REDIS_URL/dead-letter 임계 설정

docker-compose.yml

@@ -268,6 +268,7 @@ services:
       - CONVERSATION_HISTORY_LIMIT=${CONVERSATION_HISTORY_LIMIT:-20}
       - CONVERSATION_RATE_PER_MIN=${CONVERSATION_RATE_PER_MIN:-6}
       - YOUTUBE_DATA_API_KEY=${YOUTUBE_DATA_API_KEY:-}
+      - REDIS_URL=${REDIS_URL:-redis://redis:6379}
     volumes:
       - ${RUNTIME_PATH:-.}/data/agent-office:/app/data
     depends_on:
@@ -275,6 +276,7 @@ services:
       - music-lab
       - insta-lab
       - realestate-lab
+      - redis
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
       interval: 60s