Fix domain configuration and database cleanup for production deployment

- Fixed domain extraction logic in start.sh for proper homeserver configuration
- Updated registration file regex patterns to use base domain
- Added comprehensive database cleanup procedures in CLAUDE.md
- Updated CloudronManifest.json for production settings
- Resolved crypto sync issues and user registration conflicts

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

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

CloudronManifest.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0",
+  "version": "1.1.0",
   "upstreamVersion": "0.10.8",
   "id": "dev.maunium.whatsapp.cloudronapp",
   "title": "Matrix WhatsApp Bridge",