DO-NOT-MERGE: validate BJS #18355 heightmap readiness fix against BN CI

.github/workflows/ci.yml

@@ -6,147 +6,12 @@ on:
   pull_request:
     branches: [master]
 
+# Temporarily reduced to only Ubuntu_GCC_JSC for LPT flake validation.
+# Revert this file before merging.
 jobs:
-  # ── Apple: macOS ──────────────────────────────────────────────
-  MacOS:
-    uses: ./.github/workflows/build-macos.yml
-
-  MacOS_Ninja:
-    uses: ./.github/workflows/build-macos.yml
-    with:
-      generator: 'Ninja Multi-Config'
-
-  MacOS_Sanitizers:
-    uses: ./.github/workflows/build-macos.yml
-    with:
-      enable-sanitizers: true
-
-  # ── Apple: iOS ────────────────────────────────────────────────
-  iOS_iOS180:
-    uses: ./.github/workflows/build-ios.yml
-    with:
-      deployment-target: '18.0'
-
-  iOS_iOS175:
-    uses: ./.github/workflows/build-ios.yml
-    with:
-      deployment-target: '17.5'
-
-  # ── Apple: Xcode 26 ──────────────────────────────────────────
-  MacOS_Xcode26:
-    uses: ./.github/workflows/build-macos.yml
-    with:
-      xcode-version: '26.4'
-      runs-on: macos-26
-
-  iOS_Xcode26:
-    uses: ./.github/workflows/build-ios.yml
-    with:
-      deployment-target: '26.0'
-      xcode-version: '26.4'
-      runs-on: macos-26
-
-  # ── Win32─────────────────────────────────────────────────────
-  Win32_x64_D3D11:
-    uses: ./.github/workflows/build-win32.yml
-    with:
-      platform: x64
-
-  Win32_x64_JSI_D3D11:
-    uses: ./.github/workflows/build-win32.yml
-    with:
-      platform: x64
-      napi-type: jsi
-
-  Win32_x64_V8_D3D11:
-    uses: ./.github/workflows/build-win32.yml
-    with:
-      platform: x64
-      napi-type: V8
-
-  Win32_x64_D3D11_Sanitizers:
-    uses: ./.github/workflows/build-win32.yml
-    with:
-      platform: x64
-      enable-sanitizers: true
-
-  Win32_x64_D3D12:
-    uses: ./.github/workflows/build-win32.yml
-    with:
-      platform: x64
-      graphics-api: D3D12
-
-  Win32_x64_D3D11_PrecompiledShaderTest:
-    uses: ./.github/workflows/build-win32-shader.yml
-
-  # ── UWP ───────────────────────────────────────────────────────
-  UWP_x64:
-    uses: ./.github/workflows/build-uwp.yml
-    with:
-      platform: x64
-
-  UWP_arm64:
-    uses: ./.github/workflows/build-uwp.yml
-    with:
-      platform: arm64
-
-  UWP_arm64_JSI:
-    uses: ./.github/workflows/build-uwp.yml
-    with:
-      platform: arm64
-      napi-type: jsi
-
-  # ── Ubuntu / Linux ────────────────────────────────────────────
-  Ubuntu_Clang_JSC:
-    uses: ./.github/workflows/build-linux.yml
-    with:
-      cc: clang
-      cxx: clang++
-      js-engine: JavaScriptCore
-
   Ubuntu_GCC_JSC:
     uses: ./.github/workflows/build-linux.yml
     with:
       cc: gcc
       cxx: g++
       js-engine: JavaScriptCore
-
-  # ── Android ───────────────────────────────────────────────────
-  Android_Ubuntu_JSC:
-    uses: ./.github/workflows/build-android.yml
-    with:
-      runs-on: ubuntu-latest
-      js-engine: JavaScriptCore
-
-  Android_Ubuntu_V8:
-    uses: ./.github/workflows/build-android.yml
-    with:
-      runs-on: ubuntu-latest
-      js-engine: V8
-
-  Android_MacOS_JSC:
-    uses: ./.github/workflows/build-android.yml
-    with:
-      runs-on: macos-latest
-      js-engine: JavaScriptCore
-
-  Android_MacOS_V8:
-    uses: ./.github/workflows/build-android.yml
-    with:
-      runs-on: macos-latest
-      js-engine: V8
-
-  # ── Installation Tests ────────────────────────────────────────
-  iOS_Installation:
-    uses: ./.github/workflows/test-install-ios.yml
-    with:
-      deployment-target: '17.2'
-
-  Linux_Installation:
-    uses: ./.github/workflows/test-install-linux.yml
-
-  MacOS_Installation:
-    uses: ./.github/workflows/test-install-macos.yml
-
-  Win32_Installation:
-    uses: ./.github/workflows/test-install-win32.yml