Enhance CI with MKL mode and smoke test for packages

Added steps to set MKL CPU mode for Windows and smoke test imports.

Author: absadiki

.github/workflows/wheels.yml

@@ -111,10 +111,20 @@ jobs:
       run: |
         pip install --no-index --find-links=./wheelhouse pywhispercpp
 
+    - name: Force MKL safe CPU mode on Windows
+      if: contains(matrix.os, 'windows')
+      shell: pwsh
+      run: |
+        Write-Output 'MKL_DEBUG_CPU_TYPE=5' | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+    
+    - name: Smoke import numpy and pywhispercpp
+      run: |
+        python -c "import sys,platform; import numpy as np; print('python', platform.python_version(), platform.platform()); print('numpy', np.__version__); import pywhispercpp; print('pywhispercpp import OK')"
+    
     - name: Run tests
       run: |
         pytest tests/
-        
+
 
   upload_all:
     name: Upload if release