Merge branch 'main' into prod

Avoid duplicate PDF indexing for recap

Fix quiz summary attempt loading

chore: Force sync prod to match main exactly

merge: Sync prod with main changes

fix: normalize at-risk signals for docker build

feat: Fix at-risk scoring with 3-source model

Revert "chore: Sync prod content to match main"

chore: Sync prod content to match main

Merge branch 'main' into prod

Merge branch 'main' of https://github.com/a20-ai-thuc-chien/A20-App-092

revert: Reset to state at e7bc87f (undo all changes since e7bc87f)

Revert "Merge branch 'prod'"

fix: Resolve Buffer to Blob type error for TypeScript strict ArrayBuffer check

Revert "Merge branch 'prod'"

refactor: Remove unused senderId parameter from callAgentWithFile

feat: Simplify chat-with-file endpoint to only require file and query

Merge branch 'prod'

fix: Revert to form-data package for both file uploads

Sửa lần 9 để gửi được ảnh và pdf

fix: Use native FormData with Blob for FastAPI chat-with-file

refactor: Use Readable stream consistently for file uploads in ta.service

fix: Use form-data package with Readable stream for PDF uploads

refactor: Use consistent Blob type cast for file uploads in ta.service

refactor: Simplify Buffer to Blob conversion using type cast

fix: Use Uint8Array for Blob creation in fastapi client

fix: Convert Buffer to Blob for FormData in fastapi client

Sửa lần 8 để gửi được ảnh và pdf

refactor: Clean up debug logs and add Swagger docs for conversationId

feat: Add optional conversationId parameter to chat-with-file API

fix: Reset deadline state on error and add upload timing logs

fix: Refactor QuizPlayer with clean single-state management and add timing logs for PDF chat

Sửa lần 7 để gửi được ảnh và pdf

feat: rewrite QuizPlayer with clean single-page UI and fix PDF upload FormData

Sửa lần 6 để gửi được ảnh và pdf

fix: Consistent error messages and archive terminology across quiz components

fix: Improve quiz error messages and modal overflow handling

fix: Fix quiz deadline bug and add user profile names in results

Sửa để gửi được ảnh và pdf

fix: Chữa timezone và tránh flash khi reload quiz

feat: Thêm countdown timer và deadline validation cho quiz

feat: thêm hạn nộp quiz và cải thiện at-risk scoring

fix: Fix at-risk scoring bugs and update UI

feat: Implement 3-source at-risk scoring with normalization and weights

fix: Fix TypeScript build errors in PDF indexing

Merge branch 'main' of https://github.com/a20-ai-thuc-chien/A20-App-092

feat: Implement PDF indexing to Qdrant and improve quiz send notification

khien cho agent hieu ngu canh room

fix risk, and new quizz

Thêm tính năng phân tích học viên có nguy cơ và tích hợp FastAPI cho việc tạo quiz