Gitea ignores a label filter for a label the repo does not have and returns every issue. Today all of the engine's labels exist, but one deleted `spec` label would make every open issue a spec to split. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017K4vyY3yUD3GsvoZaAtKkD