chore: disable native Windows build due to Zig 0.15.2 bugs, focus on cross-compiled testing

Author: remorses

.github/workflows/build-windows.yml

@@ -9,9 +9,15 @@ env:
   ZIG_VERSION: 0.15.2
 
 jobs:
-  build-native-windows:
-    name: Windows - Native Build and Test
-    runs-on: windows-latest
+  # NOTE: Native Windows builds are disabled due to Zig 0.15.2 bugs on Windows:
+  # - https://github.com/ziglang/zig/issues/25805 (path handling on different drives)
+  # - ftruncate issues with ghostty code generators
+  # These should be fixed in Zig 0.16.0
+  # For now, we cross-compile from macOS and test on Windows
+  
+  build-on-macos:
+    name: macOS - Cross-compile for Windows
+    runs-on: macos-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -29,38 +35,23 @@ jobs:
       - name: Install dependencies
         run: bun install
 
-      # Workaround for Zig 0.15.2 bug on Windows (https://github.com/ziglang/zig/issues/25805)
-      # When cwd and cache path are on different drives, build fails
-      # Setting cache dir explicitly to be on the same drive as the source
-      - name: Build native with Zig (Windows only)
+      - name: Build for Windows (cross-compile)
         working-directory: packages/core/src/zig
-        run: zig build -Doptimize=ReleaseFast --cache-dir .zig-cache --global-cache-dir .zig-cache
-
-      - name: Copy native binaries to node_modules
-        working-directory: packages/core
-        run: bun scripts/build.ts --native --skip-zig-build
+        run: zig build -Dtarget=x86_64-windows-gnu -Doptimize=ReleaseFast
 
-      - name: Verify Windows binary exists
+      - name: Package Windows binaries
         run: |
-          if (!(Test-Path "packages/core/node_modules/@opentui/core-win32-x64/opentui.dll")) {
-            Write-Error "Windows x64 binary missing!"
-            exit 1
-          }
-          Write-Host "Windows x64 binary exists"
-          Get-ChildItem "packages/core/node_modules/@opentui/core-win32-x64/"
-        shell: pwsh
-
-      - name: Run native tests
-        working-directory: packages/core/src/zig
-        run: zig build test --summary all --cache-dir .zig-cache --global-cache-dir .zig-cache
-
-      - name: Build lib
-        working-directory: packages/core
-        run: bun run build:lib
+          mkdir -p artifacts
+          cp packages/core/src/zig/lib/x86_64-windows/opentui.dll artifacts/
+          ls -la artifacts/
 
-      - name: Run JS tests
-        working-directory: packages/core
-        run: bun run test:js
+      - name: Upload cross-compiled Windows binaries
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-binaries-cross-compiled
+          path: artifacts/opentui.dll
+          if-no-files-found: error
+          retention-days: 1
 
   test-cross-compiled-on-windows:
     name: Windows - Test macOS Cross-Compiled Binaries
@@ -84,7 +75,8 @@ jobs:
       - name: Install dependencies
         run: bun install
 
-      - name: Extract and place cross-compiled binaries
+      - name: Setup cross-compiled binaries
+        shell: pwsh
         run: |
           # Create the target directory
           $targetDir = "packages/core/node_modules/@opentui/core-win32-x64"
@@ -94,27 +86,24 @@ jobs:
           Copy-Item "artifacts/opentui.dll" -Destination $targetDir
           
           # Create index.ts that exports the path to the DLL
-          $indexContent = @"
+          @"
 const module = await import("./opentui.dll", { with: { type: "file" } })
 const path = module.default
 export default path;
-"@
-          Set-Content -Path "$targetDir/index.ts" -Value $indexContent
+"@ | Set-Content -Path "$targetDir/index.ts"
 
           # Create package.json
-          $packageJson = @"
+          @"
 {
   "name": "@opentui/core-win32-x64",
   "version": "0.0.0",
   "main": "index.ts",
   "types": "index.ts"
 }
-"@
-          Set-Content -Path "$targetDir/package.json" -Value $packageJson
+"@ | Set-Content -Path "$targetDir/package.json"
 
           Write-Host "Cross-compiled binary placed at:"
           Get-ChildItem $targetDir
-        shell: pwsh
 
       - name: Build lib (uses cross-compiled binary)
         working-directory: packages/core
@@ -123,41 +112,3 @@ export default path;
       - name: Run JS tests with cross-compiled binary
         working-directory: packages/core
         run: bun run test:js
-
-  build-on-macos:
-    name: macOS - Cross-compile for Windows
-    runs-on: macos-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Setup Bun
-        uses: oven-sh/setup-bun@v2
-        with:
-          bun-version: latest
-
-      - name: Setup Zig
-        uses: goto-bus-stop/setup-zig@v2
-        with:
-          version: ${{ env.ZIG_VERSION }}
-
-      - name: Install dependencies
-        run: bun install
-
-      - name: Build for Windows (cross-compile)
-        working-directory: packages/core/src/zig
-        run: zig build -Dtarget=x86_64-windows-gnu -Doptimize=ReleaseFast
-
-      - name: Package Windows binaries
-        run: |
-          mkdir -p artifacts
-          cp packages/core/src/zig/lib/x86_64-windows/opentui.dll artifacts/
-          ls -la artifacts/
-
-      - name: Upload cross-compiled Windows binaries
-        uses: actions/upload-artifact@v4
-        with:
-          name: windows-binaries-cross-compiled
-          path: artifacts/opentui.dll
-          if-no-files-found: error
-          retention-days: 1