Fix Windows workflow issues(#5694)

* Fix Windows Tauri build

* Bump trusted signing cli

* Retry Windows signing auth

* Fix Windows signing script path

* Avoid clearing Azure signing session

.github/workflows/release-desktop.yml

@@ -551,7 +551,7 @@ jobs:
       - name: Install trusted-signing-cli
         if: matrix.platform == 'windows-latest'
         run: |
-          cargo install trusted-signing-cli --version 0.9.0 --locked
+          cargo install trusted-signing-cli --version 0.10.0 --locked
           echo "$env:USERPROFILE\.cargo\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
 
       # ── Windows: verify signing CLI is accessible ──

studio/src-tauri/src/desktop_backend_owner.rs

@@ -746,14 +746,16 @@ fn process_liveness(pid: u32) -> PreviousAppPidStatus {
 
 #[cfg(windows)]
 fn process_liveness(pid: u32) -> PreviousAppPidStatus {
-    use windows_sys::Win32::Foundation::{CloseHandle, GetLastError, ERROR_INVALID_PARAMETER};
+    use windows_sys::Win32::Foundation::{
+        CloseHandle, GetLastError, ERROR_INVALID_PARAMETER, WAIT_OBJECT_0, WAIT_TIMEOUT,
+    };
     use windows_sys::Win32::System::Threading::{
-        OpenProcess, WaitForSingleObject, SYNCHRONIZE, WAIT_OBJECT_0, WAIT_TIMEOUT,
+        OpenProcess, WaitForSingleObject, PROCESS_SYNCHRONIZE,
     };
 
     unsafe {
-        let handle = OpenProcess(SYNCHRONIZE, 0, pid);
-        if handle == 0 {
+        let handle = OpenProcess(PROCESS_SYNCHRONIZE, 0, pid);
+        if handle.is_null() {
             return if GetLastError() == ERROR_INVALID_PARAMETER {
                 PreviousAppPidStatus::Dead
             } else {

studio/src-tauri/tauri.windows.conf.json

@@ -2,8 +2,15 @@
   "bundle": {
     "windows": {
       "signCommand": {
-        "cmd": "trusted-signing-cli",
-        "args": ["-e", "https://eus.codesigning.azure.net", "-d", "Unsloth Studio (Desktop)", "%1"]
+        "cmd": "powershell",
+        "args": [
+          "-NoProfile",
+          "-ExecutionPolicy",
+          "Bypass",
+          "-File",
+          "windows/sign-with-trusted-signing.ps1",
+          "%1"
+        ]
       }
     }
   }

studio/src-tauri/windows/sign-with-trusted-signing.ps1

@@ -0,0 +1,54 @@
+param(
+    [Parameter(Mandatory = $true)]
+    [string] $Path
+)
+
+$ErrorActionPreference = "Continue"
+
+$maxAttempts = 3
+$retryPatterns = @(
+    "No subscriptions found",
+    "login via azure cli",
+    "az\.cmd.*exited with code 1"
+)
+$trustedSigningArgs = @(
+    "-e",
+    "https://eus.codesigning.azure.net",
+    "-d",
+    "Unsloth Studio (Desktop)",
+    $Path
+)
+
+for ($attempt = 1; $attempt -le $maxAttempts; $attempt++) {
+    $output = & trusted-signing-cli @trustedSigningArgs 2>&1
+    $exitCode = $LASTEXITCODE
+    if ($null -eq $exitCode) {
+        $exitCode = 1
+    }
+    $text = $output | Out-String
+
+    foreach ($line in $output) {
+        Write-Output $line
+    }
+
+    if ($exitCode -eq 0) {
+        exit 0
+    }
+
+    $isRetryable = $false
+    foreach ($pattern in $retryPatterns) {
+        if ($text -match $pattern) {
+            $isRetryable = $true
+            break
+        }
+    }
+
+    if (-not $isRetryable -or $attempt -eq $maxAttempts) {
+        exit $exitCode
+    }
+
+    Write-Warning "trusted-signing-cli failed with transient Azure auth error; retrying."
+    Start-Sleep -Seconds (5 * $attempt)
+}
+
+exit 1