fix: use powershell -Command for download, keep shell:cmd for execution

.github/workflows/release.yml

@@ -37,18 +37,17 @@ jobs:
         with: { node-version: 20 }
       - name: Install Rust
         run: |
-          if (-not (Get-Command rustc -ErrorAction SilentlyContinue)) {
-            Invoke-WebRequest -Uri https://win.rustup.rs/x86_64 -OutFile rustup-init.exe
-            .\rustup-init.exe -y --default-toolchain stable
-            $env:Path += ";$env:USERPROFILE\.cargo\bin"
-          }
+          powershell -ExecutionPolicy Bypass -Command "Invoke-WebRequest -Uri https://win.rustup.rs/x86_64 -OutFile rustup-init.exe"
+          rustup-init.exe -y --default-toolchain stable
+          set PATH=%USERPROFILE%\.cargo\bin;%PATH%
           rustc --version
-        shell: powershell
+        shell: cmd
       - name: Build frontend
-        run: cd web; npm ci; npm run build
+        run: cd web && npm ci && npm run build
+        shell: cmd
       - name: Build Tauri bundles
-        run: cd web; $env:Path += ";$env:USERPROFILE\.cargo\bin"; npx tauri build
-        shell: powershell
+        run: cd web && set PATH=%USERPROFILE%\.cargo\bin;%PATH% && npx tauri build
+        shell: cmd
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with: