Gmail skill
Use the Gmail API. Acquire an OAuth token through Google's standard flow
and place in GMAIL_OAUTH_TOKEN.
Endpoints
search→GET /gmail/v1/users/me/messages?q=<q>get→GET /gmail/v1/users/me/messages/{id}send→POST /gmail/v1/users/me/messages/sendreply→ same as send, withthreadIdsetlabel→POST /gmail/v1/users/me/messages/{id}/modify
Bodies for send use base64url-encoded RFC 2822 messages.