Implement runtime agent loop and container hygiene

docker-compose.yml

@@ -41,6 +41,7 @@ services:
       LLM_BASE_URL: ${LLM_BASE_URL:-}
       LLM_API_KEY: ${LLM_API_KEY:-}
       LLM_MODEL: ${LLM_MODEL:-gpt-3.5-turbo}
+      AGENT_LOOP_INTERVAL_SECONDS: ${AGENT_LOOP_INTERVAL_SECONDS:-60}
       EXPORT_PATH: /app/exports
     volumes:
       - ./exports:/app/exports
@@ -49,7 +50,7 @@ services:
     networks:
       - sanctum-net
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
+      test: ["CMD", "python", "-c", "import httpx; httpx.get('http://localhost:8000/health').raise_for_status()"]
       interval: 30s
       timeout: 3s
       retries: 3