[sdk_v2] enables js winml scenario

sdk_v2/js/script/install.cjs

@@ -55,7 +55,7 @@ const CORE_FEED = useNightly ? ORT_NIGHTLY_FEED : NUGET_FEED;
 const ARTIFACTS = [
   { 
     name: useWinML ? 'Microsoft.AI.Foundry.Local.Core.WinML' : 'Microsoft.AI.Foundry.Local.Core', 
-    version: useNightly ? undefined : useWinML ? '0.9.0.7-dev.20260209T090407.b5352143' : '0.9.0.8-dev.20260209T090216.b5352143', // Set later using resolveLatestVersion if undefined
+    version: useNightly ? undefined : useWinML ? '0.9.0.170-dev-20260219T211559-2c971802' : '0.9.0.8-dev.20260209T090216.b5352143', // Set later using resolveLatestVersion if undefined
     feed: ORT_NIGHTLY_FEED
   },
   { 

sdk_v2/js/src/detail/coreInterop.ts

@@ -72,6 +72,44 @@ export class CoreInterop {
         if (process.platform === 'win32') {
             koffi.load(path.join(coreDir, `onnxruntime${ext}`));
             koffi.load(path.join(coreDir, `onnxruntime-genai${ext}`));
+
+            // Load WinML libraries only if they exist (needed for NPU execution providers)
+            const winAppRuntimePath = path.join(coreDir, `Microsoft.WindowsAppRuntime${ext}`);
+            if (fs.existsSync(winAppRuntimePath)) {
+                koffi.load(winAppRuntimePath);
+            } else {
+                console.warn(`Microsoft.WindowsAppRuntime${ext} not found at ${winAppRuntimePath}, NPU execution providers may not be available`);
+            }
+
+            const winAIMachineLearningPath = path.join(coreDir, `Microsoft.Windows.AI.MachineLearning${ext}`);
+            if (fs.existsSync(winAIMachineLearningPath)) {
+                koffi.load(winAIMachineLearningPath);
+            } else {
+                console.warn(`Microsoft.Windows.AI.MachineLearning${ext} not found at ${winAIMachineLearningPath}, NPU execution providers may not be available`);
+            }
+
+            // Initialize the Windows App SDK bootstrapper so WinRT APIs (e.g. ExecutionProviderCatalog)
+            // can discover and download NPU execution providers.
+            const bootstrapPath = path.join(coreDir, 'Microsoft.WindowsAppRuntime.Bootstrap.dll');
+            if (fs.existsSync(bootstrapPath)) {
+                const bootstrapLib = koffi.load(bootstrapPath);
+                const MddBootstrapInitialize2 = bootstrapLib.func(
+                    'int32_t MddBootstrapInitialize2(uint32_t majorMinorVersion, str16 versionTag, uint64_t minVersion, uint32_t options)'
+                );
+
+                // Windows App SDK 1.8 → major=1, minor=8 → 0x00010008
+                const majorMinorVersion = 0x00010008;
+                const versionTag = null;   // no tag
+                const minVersion = 0n;     // accept any minimum version (BigInt for uint64)
+                const options = 0;         // MddBootstrapInitializeOptions::None
+
+                const hr = MddBootstrapInitialize2(majorMinorVersion, versionTag, minVersion, options);
+                if (hr !== 0) {
+                    console.warn(`MddBootstrapInitialize2 failed with HRESULT: 0x${(hr >>> 0).toString(16)}`);
+                }
+            } else {
+                console.warn(`Microsoft.WindowsAppRuntime.Bootstrap.dll not found at ${bootstrapPath}, NPU execution providers may not be available`);
+            }
         }
         this.lib = koffi.load(corePath);