Address comments

Author: minggangw

.github/workflows/windows-build-and-test.yml

@@ -34,12 +34,18 @@ jobs:
       shell: powershell
       run: |
         irm -useb https://pixi.sh/install.ps1 | iex
+        # Refresh PATH environment
+        $env:Path = [System.Environment]::GetEnvironmentVariable("Path","User") + ";" + [System.Environment]::GetEnvironmentVariable("Path","Machine")
+        # Show installation location
+        Write-Host "Pixi installed at: $(where.exe pixi)"
 
     - name: Install dependencies
       shell: powershell
       run: |
+        # Ensure pixi is accessible by using the full path
+        $pixiPath = "$env:USERPROFILE\.pixi\bin\pixi.exe"
         irm https://raw.githubusercontent.com/ros2/ros2/refs/heads/kilted/pixi.toml -OutFile pixi.toml
-        pixi install
+        & $pixiPath install
 
     - name: Install 7-Zip
       shell: powershell
@@ -63,7 +69,8 @@ jobs:
     - name: Test rclnodejs
       shell: powershell
       run: |
-        pixi shell
+        $pixiPath = "$env:USERPROFILE\.pixi\bin\pixi.exe"
+        & $pixiPath shell
         call "c:\dev\kilted\ros2-windows\setup.bat"
         npm test