Release v1.11.52-dev CI: fix cleanup_runner gating (follow-up to spec 003) - cleanup_runner now gated to tag pipelines and scheduled pipelines only - Plain branch pushes (feature/dev/main) no longer trigger empty cleanup pipelines — honours spec § Edge Cases - No application code changes Re-running the full pipeline (build:apk + release + cleanup_runner) to verify gating behaves as designed.