Scan all Git repositories in this folder and bring me up to date.
Phase 1: Inspect only
- Report repo name, current branch, working tree status, uncommitted changes, local branches, tracking status, ahead/behind status, stale branches, and branches whose upstream no longer exists.
- Fetch remotes safely and identify stale remote-tracking refs that can be pruned.
- Do not modify anything yet.
Phase 2: Summarize
- Summarize per repo:
- uncommitted work needing a decision