feat: Add complete video creation pipeline with AI automation

[xjanova]

Major Features Added:

• Video Creation Pipeline with end-to-end automation
• FreepikAutomationService for image/video generation (web automation)
• SunoAutomationService for AI music generation
• WorkerSessionTransferService for session management
• AIGuidedTeacher for workflow learning
• AutoLearningEngine for self-learning automation
• Enhanced WebLearningPage UI with advanced controls
• WorkerWebViewPage for real-time worker monitoring
• Self-healing workers with error recovery
• Thai/English localization resources (Strings.resx)

API Enhancements:

• VideoCreationPipelineController with comprehensive endpoints
• Enhanced PostPublisherService with video support
• Improved AIElementAnalyzer for better element detection

Worker Improvements:

• FreepikWorker with full automation support
• SunoAIWorker for music generation
• SelfHealingWorker for automatic error recovery
• WorkerManager with real-time status reporting
• WorkerViewState for UI state management

🤖 Generated with Claude Code

Description

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Related Issues

Screenshots (if applicable)