refactor: remove local fs, add config class to common pacakge

docker-compose.yml

@@ -76,15 +76,12 @@ services:
       dockerfile: schedule/Dockerfile
     restart: unless-stopped
     # No host port: architecture §2.2 — only Nginx is externally reachable.
+    # No local-FS volume: schedule executes nodes via tempfile.TemporaryDirectory
+    # under Python's default temp dir (cleaned per-run); artifacts live in RustFS.
     environment:
       DATABASE_URL: mysql+asyncmy://${MYSQL_USER:-model_platform}:${MYSQL_PASSWORD:-model_platform}@mysql:3306/${MYSQL_DATABASE:-model_platform}?charset=utf8mb4
-      # schedule reads RUSTFS_ENDPOINT via schedule/service.py:build_object_store()
-      # (used by SchedulerService directly via boto3 — not via the storage client).
       RUSTFS_ENDPOINT: ${RUSTFS_ENDPOINT:-http://rustfs:9000}
       RUSTFS_ACCESS_KEY: ${RUSTFS_ACCESS_KEY:-modelplatform}
       RUSTFS_SECRET_KEY: ${RUSTFS_SECRET_KEY:-modelplatformsecret}
-      WORKSPACE_ROOT: /workspace/workspaces
-    volumes:
-      - ./deploy/data/workspaces:/workspace/workspaces
     depends_on:
       - backend