Performance Improvements:
- Created CSS consolidation build process with 87KB combined file
- Reduces HTTP requests from 20+ CSS files to 1 consolidated file
- Added build script for automated CSS optimization
Background Job System:
- Implemented HVAC_Background_Jobs class with WordPress cron integration
- Supports geocoding batches, CSV imports, profile migrations, cache warming
- Queue management with priority, retry logic, and failure handling
- AJAX endpoints for job status monitoring and cancellation
Database Query Monitoring:
- Added HVAC_Query_Monitor for development and performance analysis
- Tracks slow queries (>0.1s), execution times, and memory usage
- Generates optimization recommendations automatically
- Admin interface for query analysis and debugging
- WP-CLI integration for command-line monitoring
Technical Details:
- Background jobs process 5 per batch with 3 retry attempts
- Query monitor logs only HVAC plugin queries to reduce noise
- Consolidated CSS maintains dependency order and includes 7 core files
- All systems include proper error handling and logging integration
Co-Authored-By: Claude <noreply@anthropic.com>
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