关键修复: 不再直读WAL活库(会撞checkpoint报malformed), 改VACUUM INTO每5分钟一致性快照; 前端数据加载失败显式提示+重试; 看板显示快照时间

docker-compose.yml

@@ -6,10 +6,11 @@ services:
     ports:
       - "8300:8300"          # 仅内网访问; 公网需经OpenResty反代,勿直接转发
     volumes:
-      # 生产库只读挂载(宿主机路径)
-      - /opt/hermes/data/recruitment-data/recruitment-live.db:/data/recruitment.db:ro
-      # 自身状态(users.db/secret)持久化
+      # 活库所在目录(供VACUUM INTO生成一致性快照, 不直接读)
+      - /opt/hermes/data/recruitment-data:/src
+      # 自身状态(users.db/secret/快照)持久化
       - ./data:/data/admin
     environment:
-      - RECRUITMENT_DB=/data/recruitment.db
+      - RECRUITMENT_SRC=/src/recruitment-live.db
+      - RECRUITMENT_DB=/data/admin/snapshot.db
       - ADMIN_DIR=/data/admin

public/index.html

@@ -144,7 +144,11 @@ async function enter(m){
   me=m;$('loginBox').classList.add('hidden');$('main').classList.remove('hidden');$('logoutBtn').classList.remove('hidden');
   $('whoami').textContent=`${m.username} · ${m.role==='super'?'超管':'HR'}`;
   if(m.role==='super'){$('userPanel').classList.remove('hidden');loadUsers()}
-  loadStats();loadList(1);
+  loadStats().catch(e=>dataErr(e));loadList(1).catch(e=>dataErr(e));
+}
+function dataErr(e){
+  $('statCards').innerHTML=`<div class="card" style="grid-column:1/-1"><div class="k">⚠ 数据加载失败</div><div style="font-size:14px">${esc(e.message)} <button class="btn sub small" onclick="loadStats().then(()=>loadList(1)).catch(e=>dataErr(e))">重试</button></div></div>`;
+  toast('数据加载失败: '+e.message);
 }
 async function loadStats(){
   const s=await api('/api/stats');
@@ -152,7 +156,8 @@ async function loadStats(){
     <div class="card"><div class="k">累计候选人</div><div class="v">${s.total}</div></div>
     <div class="card"><div class="k">今日新增</div><div class="v">${s.today}</div></div>
     <div class="card"><div class="k">累计打招呼</div><div class="v">${s.greetedTotal}</div></div>
-    ${s.byLevel.map(x=>`<div class="card"><div class="k">${esc(x.k)}</div><div class="v">${x.c}</div></div>`).join('')}`;
+    ${s.byLevel.map(x=>`<div class="card"><div class="k">${esc(x.k)}</div><div class="v">${x.c}</div></div>`).join('')}
+    <div class="card"><div class="k">数据快照</div><div class="v" style="font-size:16px">${s.snapshotAt?new Date(new Date(s.snapshotAt).getTime()+8*3600e3).toISOString().slice(11,19):'-'}<span style="font-size:11px;color:var(--sub)"> +8 每5分钟</span></div></div>`;
   const mx=Math.max(1,...s.last7.map(d=>d.c));
   $('trend').innerHTML=s.last7.map(d=>`<div class="b">
     <div class="lbl">${d.c}人/${d.greeted}招呼</div>

server.js

@@ -45,8 +45,34 @@ udb.exec(`CREATE TABLE IF NOT EXISTS users (
 )`);
 const userCount = () => udb.prepare('SELECT COUNT(*) c FROM users').get().c;
 
-// ---------- 招聘库(只读) ----------
-const rdb = new Database(RECRUITMENT_DB, { readonly: true });
+// ---------- 招聘库(读快照,不直读活库) ----------
+// 活库是 WAL 模式且被 Hermes 持续写入,直接单文件挂载读会在 checkpoint 期间报
+// "database disk image is malformed"。改为定期 VACUUM INTO 生成一致性快照再读。
+const RECRUITMENT_SRC = process.env.RECRUITMENT_SRC || '';
+const SNAP_PATH = RECRUITMENT_DB;                       // 读取目标=快照文件
+let snapshotAt = null;
+function makeSnapshot() {
+  if (!RECRUITMENT_SRC) return;                          // 未配置源=直接读单文件模式(仅测试)
+  const tmp = SNAP_PATH + '.tmp';
+  try {
+    const src = new Database(RECRUITMENT_SRC, { readonly: true });
+    fs.rmSync(tmp, { force: true });
+    src.exec(`VACUUM INTO '${tmp}'`);
+    src.close();
+    fs.renameSync(tmp, SNAP_PATH);
+    snapshotAt = new Date().toISOString();
+    console.log(`[snapshot] ok ${snapshotAt}`);
+  } catch (e) {
+    console.log(`[snapshot] failed(继续用旧快照): ${String(e.message).slice(0, 120)}`);
+  }
+}
+if (RECRUITMENT_SRC) {
+  makeSnapshot();                                        // 启动先做一次
+  setInterval(makeSnapshot, 5 * 60 * 1000).unref();      // 每5分钟刷新
+} else {
+  snapshotAt = fs.existsSync(SNAP_PATH) ? fs.statSync(SNAP_PATH).mtime.toISOString() : null;
+}
+const rdb = new Database(SNAP_PATH, { readonly: true });
 
 // ---------- 会话(内存态,重启需重登) ----------
 const sessions = new Map(); // sid -> { uid, role, expires }
@@ -122,6 +148,7 @@ function requireSuper(req, res, next) {
 app.get('/api/stats', requireAuth, (req, res) => {
   const today = new Date(Date.now() + 8 * 3600e3).toISOString().slice(0, 10);
   res.json({
+    snapshotAt,
     total: rdb.prepare('SELECT COUNT(*) c FROM candidates').get().c,
     today: rdb.prepare("SELECT COUNT(*) c FROM candidates WHERE scraped_at >= ?").get(today + 'T00:00').c,
     greetedTotal: rdb.prepare('SELECT COUNT(*) c FROM candidates WHERE greeted = 1').get().c,