Fix

Author: kirklandsign

llm/android/LlamaDemo/app/src/main/java/com/example/executorchllamademo/ModuleSettings.kt

@@ -35,7 +35,7 @@ data class ModuleSettings(
     val models: List<ModelConfiguration> = emptyList(),
     val activeModelId: String = "",
     val sharedDataPath: String = "",
-    val foundationModelType: ModelType = ModelType.LLAMA_3_2
+    val foundationModelType: ModelType = ModelType.LLAMA_3
 ) {
     /**
      * Gets the effective model type, considering multi-model configuration.

llm/android/LlamaDemo/app/src/main/java/com/example/executorchllamademo/ui/screens/ModelSettingsScreen.kt

@@ -452,6 +452,7 @@ fun ModelSettingsScreen(
     TokenizerDialog(viewModel)
     DataPathDialog(viewModel)
     FoundationDataPathDialog(viewModel)
+    FoundationModelTypeDialog(viewModel)
     ModelTypeDialog(viewModel)
     LoadModelDialog(viewModel, onLoadModel, onBackPressed)
     ResetSystemPromptDialog(viewModel)
@@ -660,6 +661,20 @@ private fun FoundationDataPathDialog(viewModel: ModelSettingsViewModel) {
     }
 }
 
+@Composable
+private fun FoundationModelTypeDialog(viewModel: ModelSettingsViewModel) {
+    if (viewModel.showFoundationModelTypeDialog) {
+        SingleChoiceDialog(
+            title = "Select Foundation Model Type",
+            options = ModelType.values().map { it.toString() },
+            onSelect = { selected ->
+                viewModel.selectFoundationModelType(ModelType.valueOf(selected))
+            },
+            onDismiss = { viewModel.showFoundationModelTypeDialog = false }
+        )
+    }
+}
+
 @Composable
 private fun ModelTypeDialog(viewModel: ModelSettingsViewModel) {
     if (viewModel.showModelTypeDialog) {

llm/android/LlamaDemo/app/src/main/java/com/example/executorchllamademo/ui/viewmodel/ModelSettingsViewModel.kt

@@ -290,12 +290,9 @@ class ModelSettingsViewModel : ViewModel() {
      */
     fun selectTempTokenizer(tokenizerPath: String) {
         tempTokenizerPath = tokenizerPath
-        // Auto-detect model type from PTE filename
-        val detectedType = ModelType.fromFilePath(tempModelPath)
-        if (detectedType != null) {
-            tempModelType = detectedType
-        }
-        addModelStep = 3  // Skip model type, go to adapters
+        // Use foundation model type for LoRA mode
+        tempModelType = moduleSettings.foundationModelType
+        addModelStep = 3  // Go to adapters
     }
 
     /**