fix: Intelligence stores endpoint and UI consistency

- Fix stores endpoint to only show stores with actual products (INNER JOIN + HAVING)
- Update badge colors to match Workers/Tasks dashboard style
- Use emerald/amber/red/gray color scheme consistently
- Chain badge now uses purple (bg-purple-100)
- Add migration 092 to fix Trulieve store URLs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

backend/migrations/092_fix_trulieve_urls.sql

@@ -0,0 +1,30 @@
+-- Fix 3 Trulieve/Harvest stores with incorrect menu URLs
+-- These records have NULL or mismatched platform_dispensary_id so store_discovery
+-- ON CONFLICT can't update them automatically
+
+UPDATE dispensaries
+SET
+  menu_url = 'https://dutchie.com/dispensary/svaccha-llc-nirvana-center-apache-junction',
+  updated_at = NOW()
+WHERE id = 224;
+
+UPDATE dispensaries
+SET
+  menu_url = 'https://dutchie.com/dispensary/trulieve-of-phoenix-tatum',
+  updated_at = NOW()
+WHERE id = 76;
+
+UPDATE dispensaries
+SET
+  menu_url = 'https://dutchie.com/dispensary/harvest-of-havasu',
+  updated_at = NOW()
+WHERE id = 403;
+
+-- Queue entry_point_discovery tasks to resolve their platform_dispensary_id
+-- method='http' ensures only workers that passed http preflight can claim these
+INSERT INTO worker_tasks (role, dispensary_id, priority, scheduled_for, method)
+VALUES
+  ('entry_point_discovery', 224, 5, NOW(), 'http'),
+  ('entry_point_discovery', 76, 5, NOW(), 'http'),
+  ('entry_point_discovery', 403, 5, NOW(), 'http')
+ON CONFLICT DO NOTHING;