feat: 更新模型获取逻辑，处理返回的模型数组并添加鉴权头

dashboard/src/lib/config-api.ts

@@ -158,7 +158,14 @@ export async function fetchProviderModels(
     endpoint,
   })
   const response = await fetchWithAuth(`/api/webui/models/list?${params}`)
-  return parseResponse<ModelListItem[]>(response)
+  // 后端返回 { success, models, provider, count }，需要展开取出 models 数组
+  const parsed = await parseResponse<{ models?: ModelListItem[] } | ModelListItem[]>(response)
+  if (!parsed.success) {
+    return parsed
+  }
+  const body = parsed.data
+  const models = Array.isArray(body) ? body : Array.isArray(body?.models) ? body.models : []
+  return { success: true, data: models }
 }
 
 /**

dashboard/src/routes/config/modelProvider/ProviderForm.tsx

@@ -138,7 +138,11 @@ export function ProviderForm({
           </DialogDescription>
         </DialogHeader>
 
-        <form onSubmit={(e) => { e.preventDefault(); handleSaveEdit(); }} autoComplete="off">
+        <form
+          onSubmit={(e) => { e.preventDefault(); handleSaveEdit(); }}
+          autoComplete="off"
+          className="contents"
+        >
           <DialogBody>
           <div className="grid gap-4 py-4">
             <div className="grid gap-2" data-tour="provider-template-select">

src/webui/routers/model.py

@@ -146,6 +146,11 @@ async def _fetch_models_from_provider(
         client_config = build_openai_compatible_client_config(provider)
         headers.update(client_config.default_headers)
         params.update(client_config.default_query)
+        # build_openai_compatible_client_config 在“默认 Bearer”场景下，
+        # 会把 api_key 留在 client_config.api_key 中交给 OpenAI SDK 自行注入 Authorization 头，
+        # 而不会写入 default_headers。这里我们用 httpx 直接发请求，需要手动补上鉴权头/参数。
+        if client_config.api_key and "Authorization" not in headers:
+            headers["Authorization"] = f"Bearer {client_config.api_key}"
 
     try:
         async with httpx.AsyncClient(timeout=30.0) as client: