Non-admins now see Library and AI Features tabs with data scoped to
themselves; only Users (admin management) stays admin-only.
Library tab: queries pass scope=global only when isAdmin, otherwise
omit scope so the backend _owner_filter falls back to current_user.
Stats, worker status, pipeline progress, duplicates, regenerate-thumbs
all respect this. Re-scan + maintenance buttons that hit user-scoped
endpoints continue to work for non-admins.
AI Features tab: feature flag state read via the public /features
endpoint for non-admins (just effective values, no override metadata),
admin-only flag toggle Switches show as disabled with an explanatory
tooltip, and the "Manual pipeline triggers" section (bulk classifier
backfill + rescan-all-source-roots) is hidden entirely for non-admins
since those are admin-bulk operations across every user.
Users tab: stays adminOnly as today.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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