sync: malware page, security alerts, review diagnostics, skill detail improvements

- Add malware security advisory page and SecurityAlertBanner component
- Add review diagnostics API and reviewed stats page
- Improve skill detail page with better scoring display and metadata
- Update review API endpoints with enhanced filtering and stats
- Add skill file serving improvements and cache enhancements
- Remove legacy curation scripts (moved to internal tooling)
- Update CLI search with score filtering support

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/web/app/api/skills/[...id]/route.ts

@@ -84,8 +84,15 @@ export async function GET(
       downloadCount: skill.downloadCount,
       viewCount: skill.viewCount,
       securityScore: skill.securityScore,
+      securityStatus: skill.securityStatus,
+      qualityScore: skill.qualityScore,
       isVerified: skill.isVerified,
       isFeatured: skill.isFeatured,
+      isMalicious: skill.isMalicious ?? false,
+      isDuplicate: skill.isDuplicate ?? false,
+      isStale: skill.isStale ?? false,
+      isDeprecated: skill.isDeprecated ?? false,
+      isBlocked: skill.isBlocked ?? false,
       compatibility: skill.compatibility,
       triggers: skill.triggers,
       rawContent: skill.rawContent,