- Add "Squash-merge and container tags" section to build-container-image docs
explaining the orphan SHA problem and post-merge C0 workflow
- Add post-merge container step to C1 process in agent-change-process
- Rewrite container-list as uv run --script with typer and rich
- Add optional container name filter argument (shows more tags when filtered)
- Annotate tags with [main]/[branch] based on commit ancestry
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>