Merged from isolated worktree development to prevent conflicts with other AI bots.

Major architectural enhancements:
✅ ServiceFactory with dependency injection pattern
✅ ExtensionActivation with VS Code integration
✅ CommandRegistry with 25+ TDDAI commands
✅ Enhanced services integration (TDDAI, Swarm, Vector, Security, Analytics)
✅ Configuration management and telemetry
✅ Code lens and hover providers for real-time assistance
✅ Git worktree workflow for isolated development

Ready for VS Code extension testing and deployment.