Add drag-and-drop reordering to categories page

- Replace up/down chevron buttons with @dnd-kit drag handles
- Update pack generation and question review commands
- Fix MCP bridge and add supabase package.json for Docker

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/mobile/app/(app)/matches.tsx

@@ -149,6 +149,11 @@ export default function MatchesScreen() {
     }, [matches.length]);
 
     const renderItem = ({ item, index }: { item: any; index: number }) => {
+        // Skip rendering if question was deleted
+        if (!item.question) {
+            return null;
+        }
+
         const userResponse = item.responses?.find((r: any) => r.user_id === user?.id);
         const partnerResponse = item.responses?.find((r: any) => r.user_id !== user?.id);