♻️ Major refactor for cleaner, more maintainable codebase
🚀 Optimized validation flow with lighter, faster logic
💬 Expanded inline documentation for quicker onboarding
📧 Revamped HTML email template for broader client compatibility
🛡️ Introduced honeypot field to strengthen anti-spam protection
✉️ Automatic acknowledgment (auto-reply) emails on submission
❌ Unified and detailed JSON error responses
📚 Refreshed README with clearer setup and usage instructions
📝 Added dedicated subject field to messages
⏳ Session-based rate limiting to prevent abuse