Silences errcheck violations that have been breaking CI since the test was written. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Callers now supply their own Gitea PAT as a Bearer token; the server validates it against GET /api/v1/user and threads it through context to all downstream Gitea API calls. GITEA_API_TOKEN env var and the GiteaAPIToken config field are removed.