ci(r2): temporarily disable Windows ARM64 from R2 publish (#491)

Remove Windows ARM64 artifact verification and uploads from the R2
publish workflow. This allows the release to proceed without the
Windows ARM64 build while we investigate the LLVM/clang issues.

Co-authored-by: Droid Agent <droid@factory.ai>

Author: echobt

.github/workflows/publish-r2.yml

@@ -90,7 +90,8 @@ jobs:
             "cortex-cli-macos-x64"
             "cortex-cli-macos-arm64"
             "cortex-cli-windows-x64"
-            "cortex-cli-windows-arm64"
+            # Temporarily disabled: Windows ARM64 build has LLVM/clang issues
+            # "cortex-cli-windows-arm64"
           )
 
           for artifact in "${EXPECTED_ARTIFACTS[@]}"; do
@@ -127,7 +128,8 @@ jobs:
           done
 
           # Windows platforms - artifacts are already .zip
-          for mapping in windows-x86_64:cortex-cli-windows-x64 windows-aarch64:cortex-cli-windows-arm64; do
+          # Temporarily disabled: Windows ARM64 build has LLVM/clang issues
+          for mapping in windows-x86_64:cortex-cli-windows-x64; do
             IFS=':' read -r platform artifact <<< "$mapping"
             
             ARCHIVE=$(find "artifacts/$artifact" -name "*.zip" | head -1)
@@ -170,7 +172,8 @@ jobs:
             echo "$platform: $(cat dist/$platform/cortex.tar.gz.sha256)"
           done
 
-          for platform in windows-x86_64 windows-aarch64; do
+          # Temporarily disabled: Windows ARM64 build has LLVM/clang issues
+          for platform in windows-x86_64; do
             sha256sum "dist/$platform/cortex.zip" | awk '{print $1 "  cortex.zip"}' > "dist/$platform/cortex.zip.sha256"
             echo "$platform: $(cat dist/$platform/cortex.zip.sha256)"
           done
@@ -185,7 +188,8 @@ jobs:
             rclone copy "dist/$platform/cortex.tar.gz.sha256" "r2:cortex-software/assets/$platform/$VERSION/" --progress
           done
 
-          for platform in windows-x86_64 windows-aarch64; do
+          # Temporarily disabled: Windows ARM64 build has LLVM/clang issues
+          for platform in windows-x86_64; do
             echo "Uploading $platform..."
             rclone copy "dist/$platform/cortex.zip" "r2:cortex-software/assets/$platform/$VERSION/" --progress
             rclone copy "dist/$platform/cortex.zip.sha256" "r2:cortex-software/assets/$platform/$VERSION/" --progress
@@ -234,11 +238,6 @@ jobs:
                 "url": "$BASE_URL/windows-x86_64/$VERSION/cortex.zip",
                 "sha256": "${{ steps.checksums.outputs.windows-x86_64 }}",
                 "size": $(stat -c%s dist/windows-x86_64/cortex.zip 2>/dev/null || echo 0)
-              },
-              "windows-aarch64": {
-                "url": "$BASE_URL/windows-aarch64/$VERSION/cortex.zip",
-                "sha256": "${{ steps.checksums.outputs.windows-aarch64 }}",
-                "size": $(stat -c%s dist/windows-aarch64/cortex.zip 2>/dev/null || echo 0)
               }
             }
           }