feat: add GPU-aware smart installer with auto-detection and update system

Author: moinulmoin

scripts/release-windows.ps1

@@ -48,7 +48,15 @@ $originalConfig = Get-Content "src-tauri\tauri.conf.json" -Raw
 
 # Create output directory
 if (-not (Test-Path $OutputDir)) {
-    New-Item -ItemType Directory -Path $OutputDir | Out-Null
+    Write-Info "Creating output directory: $OutputDir"
+    New-Item -ItemType Directory -Path $OutputDir -Force | Out-Null
+    if (-not (Test-Path $OutputDir)) {
+        Write-Error "Failed to create output directory: $OutputDir"
+        exit 1
+    }
+    Write-Success "Output directory created"
+} else {
+    Write-Info "Output directory already exists: $OutputDir"
 }
 
 # Build single smart installer
@@ -91,9 +99,28 @@ if (-not $SkipBuild) {
 
     # Copy installer
     $installer = Get-ChildItem "src-tauri\target\release\bundle\nsis\*.exe" | Select-Object -First 1
+    if (-not $installer) {
+        Write-Error "No installer found in src-tauri\target\release\bundle\nsis\"
+        exit 1
+    }
+    Write-Info "Found installer: $($installer.FullName)"
+    
+    # Ensure output directory exists before copying
+    if (-not (Test-Path $OutputDir)) {
+        Write-Info "Re-creating output directory: $OutputDir"
+        New-Item -ItemType Directory -Path $OutputDir -Force | Out-Null
+    }
+    
     $installerPath = "$OutputDir\VoiceTypr_${Version}_x64-setup.exe"
+    Write-Info "Copying to: $installerPath"
     Copy-Item $installer.FullName $installerPath -Force
-    Write-Success "Smart installer built successfully!"
+    
+    if (Test-Path $installerPath) {
+        Write-Success "Smart installer built successfully!"
+    } else {
+        Write-Error "Failed to copy installer to output directory"
+        exit 1
+    }
 
     # Create update artifacts
     Write-Info "Creating update artifacts..."

src-tauri/tauri.conf.json

@@ -75,9 +75,3 @@
                                 }
                 }
 }
-
-
-
-
-
-

src-tauri/windows/smart-installer-hooks.nsh

@@ -27,7 +27,7 @@ Var GPUName
         ${AndIf} $1 != ""
         StrCpy $GPUDetected "YES"
         ; Simple GPU detection message
-        StrCpy $GPUName "your GPU"
+        StrCpy $GPUName "GPU"
         DetailPrint "Dedicated GPU detected"
     ${Else}
         DetailPrint "No dedicated GPU detected - will use CPU mode"
@@ -39,11 +39,8 @@ Var GPUName
         StrCpy $VulkanInstalled "YES"
         DetailPrint "✓ Vulkan Runtime detected - GPU acceleration ready!"
 
-        ; Show success message
-        MessageBox MB_OK|MB_ICONINFORMATION "GPU Acceleration Ready!$\n$\n\
-Your $GPUName supports GPU acceleration and Vulkan is installed.$\n$\n\
-VoiceTypr will automatically use your GPU for 5-10x faster transcription!"
-        
+        ; Everything is ready - no need to show a message, just continue
+        ; The app will automatically use GPU acceleration
         Goto install_complete
     ${Else}
         ; GPU exists but Vulkan missing - inform user