cd7721fb03
MaintenancePanel hosts: backfill + centroid recompute trigger cards, the five suggestion-threshold sliders (autosave on slider release), the allowlist table (inline editable min_confidence, delete), and the alias table (mapping display, delete). Wired as a third Settings tab, ML settings loaded lazily when the tab opens. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>