Disable RAG

Update config to disable automatic RAG enhancement.

IMPORTANT: Execute task and report status only. No additional commentary.

Task

1. Update config/rag_settings.json: set "enabled": false
2. Report: "RAG disabled"

DO NOT:

• Explain when to disable RAG
• Describe what changes
• Provide usage examples
• Research or elaborate

ONLY:

• Update the config file
• Confirm completion with one line
• Stop