Speed up Windows x64 CI: beta build, fix MSVC lookup on GHA.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/desktop-windows-x64.yml

@@ -21,6 +21,7 @@ env:
 jobs:
   windows-x64:
     runs-on: windows-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
@@ -43,9 +44,9 @@ jobs:
         shell: bash
         run: |
           export FROMCHAT_PACKAGING_JDK="$JAVA_HOME"
-          ./gradlew :app:desktop:packageReleaseWindows -PdesktopArch=x64 --no-daemon
+          ./gradlew :app:desktop:packageBetaWindows -PbetaDesktop -PdesktopArch=x64 --no-daemon --console=plain
       - uses: actions/upload-artifact@v4
         with:
           name: windows-x64-installer
-          path: app/desktop/build/distributions/release/*-windows-x64.exe
+          path: app/desktop/build/distributions/release/FromChat-Setup-*-beta2.exe
           if-no-files-found: error

app/desktop/scripts/compile-windows-native.cmd

@@ -0,0 +1,63 @@
+@echo off
+setlocal EnableExtensions
+set "OUT_DIR=%~1"
+set "SRC=%~2"
+set "JAVA_HOME=%~3"
+set "ARCH=%~4"
+
+if /I "%ARCH%"=="arm64" (
+  set "VCVARS_NAME=vcvarsarm64.bat"
+) else (
+  set "VCVARS_NAME=vcvars64.bat"
+)
+
+set "VCVARS="
+if exist "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Auxiliary\Build\%VCVARS_NAME%" (
+  set "VCVARS=C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Auxiliary\Build\%VCVARS_NAME%"
+)
+if not defined VCVARS if exist "C:\Program Files\Microsoft Visual Studio\2022\BuildTools\VC\Auxiliary\Build\%VCVARS_NAME%" (
+  set "VCVARS=C:\Program Files\Microsoft Visual Studio\2022\BuildTools\VC\Auxiliary\Build\%VCVARS_NAME%"
+)
+if not defined VCVARS if exist "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\%VCVARS_NAME%" (
+  set "VCVARS=C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\%VCVARS_NAME%"
+)
+if not defined VCVARS if exist "C:\Program Files (x86)\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\%VCVARS_NAME%" (
+  set "VCVARS=C:\Program Files (x86)\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\%VCVARS_NAME%"
+)
+if not defined VCVARS if exist "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\%VCVARS_NAME%" (
+  set "VCVARS=C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\%VCVARS_NAME%"
+)
+if not defined VCVARS (
+  for /f "delims=" %%i in ('where /r "C:\Program Files\Microsoft Visual Studio" %VCVARS_NAME% 2^>nul') do set "VCVARS=%%i"
+)
+if not defined VCVARS (
+  echo compile-windows-native: %VCVARS_NAME% not found >&2
+  exit /b 1
+)
+
+call "%VCVARS%"
+if errorlevel 1 exit /b 1
+
+if not exist "%OUT_DIR%" mkdir "%OUT_DIR%"
+cd /d "%OUT_DIR%"
+
+set "JNI_INCLUDE=%JAVA_HOME%\include"
+set "JNI_WIN32=%JNI_INCLUDE%\win32"
+
+cl /nologo /LD /EHsc /std:c++17 /utf-8 ^
+  /I"%JNI_INCLUDE%" /I"%JNI_WIN32%" ^
+  "%SRC%" /Fe:fromchat_windows.dll ^
+  /link windowsapp.lib user32.lib shell32.lib ole32.lib oleaut32.lib uxtheme.lib
+if errorlevel 1 (
+  echo compile-windows-native: cl failed >&2
+  exit /b 1
+)
+if not exist "fromchat_windows.dll" (
+  echo compile-windows-native: missing fromchat_windows.dll in %OUT_DIR% >&2
+  exit /b 1
+)
+
+if exist "fromchat_windows.lib" del "fromchat_windows.lib"
+if exist "fromchat_windows.exp" del "fromchat_windows.exp"
+if exist "WindowsNativeBridge.obj" del "WindowsNativeBridge.obj"
+exit /b 0