fix(models): allow manual entry during catalog load

frontend/src/features/models/components/GlobalModelFormDialog.vue

@@ -31,9 +31,22 @@
         <div class="flex-1 min-h-0 overflow-hidden border rounded-lg flex flex-col">
           <div
             v-if="loading"
-            class="flex items-center justify-center flex-1"
+            class="flex flex-col items-center justify-center gap-3 flex-1"
           >
             <Loader2 class="w-5 h-5 animate-spin text-muted-foreground" />
+            <p class="text-xs text-muted-foreground">
+              正在加载在线目录；也可以先手动填写模型
+            </p>
+            <Button
+              type="button"
+              variant="ghost"
+              size="sm"
+              class="h-8"
+              data-testid="models-catalog-manual-entry-loading"
+              @click="enterManualEntryMode"
+            >
+              手动填写
+            </Button>
           </div>
           <div
             v-else-if="catalogLoadError"

frontend/src/features/models/components/__tests__/GlobalModelFormDialog.prefill.spec.ts

@@ -302,6 +302,25 @@ describe('GlobalModelFormDialog preset replacement', () => {
     expect(document.body.querySelector('#model-name')).not.toBeNull()
   })
 
+  it('allows manual model creation while the external catalog request is still pending', async () => {
+    modelsDevMocks.getModelsDevList.mockReturnValueOnce(
+      new Promise<ModelsDevModelItem[]>(() => {}),
+    )
+
+    mountDialog()
+    await settle()
+
+    const manualEntryButton = document.body.querySelector<HTMLButtonElement>(
+      '[data-testid="models-catalog-manual-entry-loading"]',
+    )
+    if (!manualEntryButton) throw new Error('Missing loading-state manual-entry button')
+    manualEntryButton.click()
+    await settle()
+
+    expect(document.body.textContent).toContain('手动填写模式')
+    expect(document.body.querySelector('#model-name')).not.toBeNull()
+  })
+
   it('drops the previous draft and submits only the newly selected model preset', async () => {
     mountDialog()
     await settle()