- Refactor opax_mcp_client to use the JSON-RPC 2.0 MCP protocol.
- Set the client fallback endpoint to: https://opax-mcp-357036551735.us-central1.run.app
- Set run_emma’s fallback model to qwen2.5:7b.
- Update run_emma’s MCP tool description to qwen2.5:7b.