## Summary
- consolidate forgejo-runner how-to docs into current cards
- upgrade the k8s forgejo-runner deployment to the latest v12.8.x runner image
- switch the k8s runner from first-boot register flow to declarative server.connections config
- keep the runner image on the native Dagger build path and update the surrounding manifests/secrets
## Notes
- PR opened early for C1 review
- implementation and deployment verification will follow in subsequent commits
Reviewed-on: #338
Erich Blume
1425bf1f5c