Config: Remove unwanted nodes, keep only VM Space and Local

Fix: Mac path → Linux path for HF Space macbook-local node

Fix: Update VM Space node_id to vm-node-01 (from SSH)

Add: HuggingFace VM Space as hardcoded node for auto-connection

Fix: Blaxel workspace vasanthfeb13 + model sandbox-openai

Fix: Add Blaxel sandbox workspace to config

Fix: Switch from Modal to Blaxel-OpenAI as default backend

Fix: Rename id to node_id in config

Deploy Main Space