Add Gitea issue workflow documentation

AGENTS.md

@@ -1,6 +1,22 @@
 # Agent Instructions
 
-This project uses **bd** (beads) for issue tracking. Run `bd onboard` to get started.
+This project uses **bd** (beads) for issue tracking and **Gitea** for external issue tracking.
+
+## Gitea Issues Workflow
+
+When asked to work on Gitea issues:
+1. Read issue via API: `curl -s "https://gitea.calmcacil.dev/api/v1/repos/{owner}/{repo}/issues/{number}"`
+2. Analyze requirements and scope
+3. Create task list with `todowrite` for multi-step work
+4. Implement fix following existing patterns
+5. Commit with `Closes #{number}` in message (auto-closes issue)
+6. Push to remote
+
+See `GITEA_ISSUES.md` for detailed workflow.
+
+## Beads Workflow
+
+Run `bd onboard` to get started with beads.
 
 ## Quick Reference