Adds an MCP server exposing read tools (list_inbox, search, read_email)
across three personal Gmail accounts using existing app passwords in
/etc/openclaw/. Wired into claude-channels via --mcp-config. Slated for
replacement by an OAuth2 Gmail+Calendar server in path 2.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
