New commands:
- fgj api: raw REST API passthrough with field inference and path interpolation
- fgj pr diff: view PR diffs with color, --name-only, --stat
- fgj pr comment: add comments to pull requests
- fgj pr review: approve, request changes, or comment on PRs
Agentic enhancements:
- --json-errors flag for structured JSON error output on stderr
- APIError type wrapping HTTP status codes for machine consumption
- Error codes: auth_required, not_found, api_error, invalid_input, etc.
Docs updated for forgejo.zerova.net/sid/fgj-sid fork.
