feat(mcp): queue long-running calculations

infra/docker/docker-compose.yml

@@ -21,6 +21,26 @@ services:
       - timescaledb
       - postgis
 
+  # Enable after provisioning calculation storage and explicit project scopes.
+  calculation-worker:
+    profiles: [calculations]
+    image: ${TJWATER_SERVER_IMAGE:-tjwater-server:local}
+    init: true
+    restart: on-failure
+    command: ["python", "scripts/run_calculation_worker.py"]
+    env_file:
+      - ../../.env
+    environment:
+      - PYTHONPATH=/app
+    volumes:
+      - ../../app:/app/app
+      - ../../resources:/app/resources
+      - calculation-state:/app/temp/calculation-jobs
+    stop_grace_period: 30s
+    depends_on:
+      - timescaledb
+      - postgis
+
   # ==========================================
   # Infrastructure Services
   # ==========================================
@@ -127,6 +147,9 @@ services:
     volumes:
       - ./mapservice/geoserver_data:/opt/geoserver_data
 
+volumes:
+  calculation-state:
+
 networks:
   default:
     driver: bridge