## Changelog
* 5c4a9796208245c54df60357f8d38af4f515e7af Fix flaky ClosePR_invalidState test by removing parallel execution
* 2d9c24b2eee57b038eb3b275598fe6ad7a456e4a Fix search: when there's no author sub-grouping to do (all items have same/empty author), just list subjects directly
* a078af09861bd4cff444b2748fe63aa6334bb57a Add top-level show command with auto-extension detection
* 6af1afca98e5f8b1d76e7d1efc10abdc86cfddfa Sync gitmsg branches in fetch pipeline, run full fetch pre/post import