Extract review-plan, report, quarantine, state, and config handlers into
commands/ with shared cli_helpers; remove unused exceptions and duplicate
plan summary wrappers. Archive superseded review markdown, sync docs to
517-test baseline, and fix empty series titles when only a quality tag remains.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
