Review your knowledge store for quality and accuracy.
1. Run `ak search` (and `ak search --tree` when structure matters) to see what exists.
2. Use `ak search --grep` and `ak search --glob` to look for duplicates,
contradictions, stale facts, and entries that should be merged or split.
3. Use `ak write`, `ak write --force`, and `ak remove` to fix what
you find.
4. Summarize what you changed and why.