feat: initialize AI TA Copilot dashboard UI and add supporting utility scripts and documentation

feat: implement AI compose modal for smart message generation and add supporting documentation and utility scripts

sửa prompt của TA AI DM

feat: implement AI-driven TA dashboard core services, UI integration, and comprehensive system documentation

feat: implement TA dashboard recap workflow, AI analysis integration, and backend service modules

bản TA dashboard chưa kết nối api agent