MVP: 按 07 风格重写前端 + Go 后端落地（长文/短文、编辑器、后台管理）

frontend/src/site.js

@@ -0,0 +1,29 @@
+import { reactive } from 'vue'
+import { publicApi } from './api'
+
+export const site = reactive({
+  site_title: 'ONE · 一个博客',
+  site_desc: '长文与短文，同一种节奏。',
+  author_name: 'ONE',
+  author_bio: '写点长的，也写点短的。',
+  footer_note: '© ONE · 一个博客',
+  icp: '',
+  posts_per_page: 10,
+  loaded: false
+})
+
+export async function loadSite() {
+  try {
+    Object.assign(site, await publicApi.site())
+    site.loaded = true
+  } catch (e) {
+    // 站点还没起来时用默认值，不阻塞首屏
+    site.loaded = false
+  }
+  return site
+}
+
+export function applyDocTitle(sub) {
+  const base = site.site_title || 'ONE'
+  document.title = sub ? `${sub} · ${base}` : base
+}