refactor: simplify importSources array construction and unexport type

- Use ternary operator instead of spread for clearer intent
- Make ImportSourceType internal (not exported) since it's only used within the module

Author: luke-mino-altherr

src/platform/assets/composables/useUploadModelWizard.ts

@@ -46,10 +46,9 @@ export function useUploadModelWizard(modelTypes: Ref<ModelTypeOption[]>) {
   const selectedModelType = ref<string>()
 
   // Available import sources
-  const importSources: ImportSource[] = [
-    civitaiImportSource,
-    ...(flags.huggingfaceModelImportEnabled ? [huggingfaceImportSource] : [])
-  ]
+  const importSources: ImportSource[] = flags.huggingfaceModelImportEnabled
+    ? [civitaiImportSource, huggingfaceImportSource]
+    : [civitaiImportSource]
 
   // Detected import source based on URL
   const detectedSource = computed(() => {

src/platform/assets/types/importSource.ts

@@ -1,7 +1,7 @@
 /**
  * Supported model import sources
  */
-export type ImportSourceType = 'civitai' | 'huggingface'
+type ImportSourceType = 'civitai' | 'huggingface'
 
 /**
  * Configuration for a model import source