Fix/qa defects df002 df011 (#9)

## Summary

What changed and why?

## Change Type

- [ ] Cowork feature
- [ ] Bug fix
- [ ] Core AI contribution
- [ ] Test / hardening
- [ ] Performance
- [ ] Documentation

## Related Work

Cowork Task:

Core Repo: http://34.143.229.138/gitea-admin/fsg-ai-core-assets

Core AI Issue:

Core Task:

Related PR:

## Scope

What is intentionally included?

What is intentionally NOT included?

## Validation

- [ ] Unit tests
- [ ] Integration tests
- [ ] Manual verification
- [ ] Regression check

Commands / evidence:

## Security Impact

Permission / credential / network / customer data impact:

## Compatibility

- [ ] No breaking change
- [ ] Breaking change documented

## Reviewer Notes

Anything Cowork reviewers should pay attention to.

---------

Co-authored-by: thanhnv <thanhnv.ip@gmail.com>
Co-authored-by: Vu Dam Tuan <vudt15@fpt.com>
Reviewed-on: #9

run.bat

@@ -100,10 +100,26 @@ if defined PYTHONPATH (
 set "PYTHONIOENCODING=utf-8"
 cd /d "%REPO%"
 
+rem --------------------------------------------------------------------------
+rem  4. An cua so console trong luc chay
+rem
+rem  App la GUI (Qt), khong can console — nhung no chia se console cua chinh
+rem  cmd nay (khong tu mo cua so rieng), nen cua so den cua run.bat cu the
+rem  hien suot phien lam viec neu khong lam gi. An no ngay truoc khi chay, roi
+rem  chi hien lai NEU app thoat loi, de thong bao loi ben duoi van doc duoc.
+rem --------------------------------------------------------------------------
+set "CONSOLE_VIS=%REPO%\scripts\console_visibility.ps1"
+if exist "%CONSOLE_VIS%" (
+    powershell -NoProfile -ExecutionPolicy Bypass -File "%CONSOLE_VIS%" -Mode 0 >nul 2>&1
+)
+
 !RUNPY! -m cowork_local %*
 set "RC=%ERRORLEVEL%"
 
 if not "%RC%"=="0" (
+    if exist "%CONSOLE_VIS%" (
+        powershell -NoProfile -ExecutionPolicy Bypass -File "%CONSOLE_VIS%" -Mode 5 >nul 2>&1
+    )
     echo.
     echo  Ứng dụng thoát với mã lỗi %RC%. Xem thông báo ở trên.
     echo.