[sdk_v2] only set bootstrap automatically if user does not explicitly set it (#455)

* bug fix

* false for tests

---------

Co-authored-by: Prathik Rao <prathikrao@microsoft.com>

Author: prathikr

sdk_v2/js/src/detail/coreInterop.ts

@@ -50,18 +50,21 @@ export class CoreInterop {
         const ext = CoreInterop._getLibraryExtension();
 
         const corePath = path.join(packageDir, `Microsoft.AI.Foundry.Local.Core${ext}`);
-            if (fs.existsSync(corePath)) {
-                config.params['FoundryLocalCorePath'] = corePath;
+        if (fs.existsSync(corePath)) {
+            config.params['FoundryLocalCorePath'] = corePath;
 
-                // Auto-detect if WinML Bootstrap is needed by checking for Bootstrap DLL in FoundryLocalCorePath
+            // Auto-detect if WinML Bootstrap is needed by checking for Bootstrap DLL in FoundryLocalCorePath
+            // Only auto-set if the user hasn't explicitly provided a value
+            if (!('Bootstrap' in config.params)) {
                 const bootstrapDllPath = path.join(packageDir, 'Microsoft.WindowsAppRuntime.Bootstrap.dll');
                 if (fs.existsSync(bootstrapDllPath)) {
                     // WinML Bootstrap DLL found, enable bootstrapping
                     config.params['Bootstrap'] = 'true';
                 }
-                
-                return corePath;
             }
+            
+            return corePath;
+        }
 
         return null;
     }

sdk_v2/js/test/testUtils.ts

@@ -34,7 +34,8 @@ export const TEST_CONFIG: FoundryLocalConfig = {
     appName: 'FoundryLocalTest',
     modelCacheDir: getTestDataSharedPath(),
     logLevel: 'warn',
-    logsDir: path.join(getGitRepoRoot(), 'sdk_v2', 'js', 'logs')
+    logsDir: path.join(getGitRepoRoot(), 'sdk_v2', 'js', 'logs'),
+    additionalSettings: { 'Bootstrap': 'false' }
 };
 
 export const TEST_MODEL_ALIAS = 'qwen2.5-0.5b';