refactor(pages): 精简部署源模型并重构详情页交互

将 Remote 网络策略收敛为 allow_insecure，去掉脱敏与无用字段；
Pages 详情拆为部署/设置 Tab，统一卡片样式与来源信息展示。

frontend/app/(main)/pages/detail/tabs/settings-tab.tsx

@@ -0,0 +1,21 @@
+'use client';
+
+import { type PagesProject } from '@/lib/services/openflare';
+
+import { DangerZoneCard } from '../components/danger-zone-card';
+import { PagesSourceCard } from '../components/pages-source-card';
+import { ProjectSettingsCard } from '../components/project-settings-card';
+
+interface SettingsTabProps {
+  project: PagesProject;
+}
+
+export function SettingsTab({ project }: SettingsTabProps) {
+  return (
+    <div className='flex flex-col gap-6'>
+      <ProjectSettingsCard project={project} />
+      <PagesSourceCard key={`source-${project.id}`} projectId={project.id} />
+      <DangerZoneCard project={project} />
+    </div>
+  );
+}