Polling authorization (desktop / CLI)

Three requests and one consent page - start (PKCE) → the user approves in a browser → poll for the credential. Why there is no callback, why "pending" is checked before the verifier, and what to do with each status code.

• Raw markdown of this page: /docs/en/oauth-polling.md
• Docs index: /llms.txt

Machine-readable: /llms.txt, /models.md (append .md to any docs URL for raw markdown)