- Changed admin frontend port from 3000 to 3300 across all configuration files
- Changed API backend port from 3001 to 3301 across all configuration files
- Updated health check endpoints to use new ports in CI/CD workflow
- Modified documentation and deployment guides to reflect new port numbers
- Updated Caddy and Nginx reverse proxy configurations to use new ports
- Added streaming UI components with live content preview and token counter
- Implemented new generateContentStream service for SSE-based content generation
- Created comprehensive STREAMING_UI_GUIDE.md documentation with implementation details
- Added streaming toggle checkbox with default enabled state
- Enhanced StepGenerate component with progress bar and animated streaming display
- Added error handling and graceful fallback for streaming failures
- Split monolithic ai-generate.ts (453 lines) into 12 focused modules with clear responsibilities
- Created new directory structure with routes, services, utils, types, and config folders
- Implemented AIService orchestrator with specialized generators for content, metadata, and alt text
- Added centralized prompt templates and error handling
- Set up parallel routing to allow gradual migration from old implementation
