Refactor multiple pages to remove unnecessary labels and improve UI consistency

Updated various components including AssistantPage, AssistantWorkflowPage, ComponentsModelsPage, and others by removing redundant label elements and enhancing the header structure. This change streamlines the layout and improves the overall user experience across the application.

src/components/pages/ComponentsModelsPage.tsx

@@ -268,8 +268,7 @@ export function ComponentsModelsPage() {
     <div className="mx-auto flex w-full max-w-[1180px] flex-col gap-8">
       <div className="flex flex-col items-start justify-between gap-5 sm:flex-row sm:gap-6">
         <div>
-          <div className="caption-label text-muted-soft">资源管理</div>
-          <h1 className="font-display display-lg mt-3 text-ink">模型资源</h1>
+          <h1 className="font-display display-lg text-ink">模型资源</h1>
           <p className="mt-3 max-w-2xl text-[15px] leading-7 text-muted-foreground">
             统一管理 LLM、ASR、TTS、Realtime 与 Embedding 模型，配置各自的接口类型与访问凭证。
           </p>