diff --git a/patch_v2/meowpanel/web/index.html b/patch_v2/meowpanel/web/index.html
index fec98d3..5479279 100644
--- a/patch_v2/meowpanel/web/index.html
+++ b/patch_v2/meowpanel/web/index.html
@@ -21,6 +21,10 @@
       <span class="brand-name">MeowPanel</span>
     </div>
     <nav class="nav" id="nav">
+      <button class="nav-item" data-route="home"   title="首页仪表盘（系统总览）">
+        <span class="nav-ico"><svg viewBox="0 0 24 24"><path d="M3 11.5 12 4l9 7.5" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><path d="M5.5 10.5V20h13v-9.5" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><path d="M9.5 20v-5h5v5" fill="none" stroke="currentColor" stroke-width="2" stroke-linejoin="round"/></svg></span>
+        <span class="nav-label">首页</span>
+      </button>
       <button class="nav-item" data-route="perf"    title="实时性能">
         <span class="nav-ico"><svg viewBox="0 0 24 24"><path d="M3 13h4l2-5 3 9 2-4h5" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg></span>
         <span class="nav-label">性能</span>
@@ -33,6 +37,10 @@
         <span class="nav-ico"><svg viewBox="0 0 24 24"><path d="M4 10v4h3l5 4V6l-5 4H4z" fill="none" stroke="currentColor" stroke-width="2" stroke-linejoin="round"/><path d="M15.5 9.5a3.5 3.5 0 0 1 0 5M18 7a7 7 0 0 1 0 10" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg></span>
         <span class="nav-label">音频</span>
       </button>
+      <button class="nav-item" data-route="power"   title="电源 / 功耗（meow_powermgr）">
+        <span class="nav-ico"><svg viewBox="0 0 24 24"><path d="M13 2 4 14h6l-1 8 9-12h-6z" fill="none" stroke="currentColor" stroke-width="2" stroke-linejoin="round"/></svg></span>
+        <span class="nav-label">电源</span>
+      </button>
       <button class="nav-item" data-route="net" title="网络管理（meow_netmgrd）">
         <span class="nav-ico"><svg viewBox="0 0 24 24"><path d="M2.5 9a15 15 0 0 1 19 0M5.5 12.5a10 10 0 0 1 13 0M8.5 16a5 5 0 0 1 7 0" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"/><circle cx="12" cy="19" r="1.4" fill="currentColor"/></svg></span>
         <span class="nav-label">网络</span>
@@ -61,6 +69,10 @@
         <span class="nav-ico"><svg viewBox="0 0 24 24"><rect x="3" y="5" width="18" height="12" rx="2" fill="none" stroke="currentColor" stroke-width="2"/><path d="M8 21h8M12 17v4" stroke="currentColor" stroke-width="2" stroke-linecap="round"/><circle cx="8.5" cy="11" r="1.2" fill="currentColor"/><path d="M12 11l3.5 4" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/></svg></span>
         <span class="nav-label">屏幕</span>
       </button>
+      <button class="nav-item" data-route="proc"    title="进程 / 服务（meow_svcd + meow_amsd）">
+        <span class="nav-ico"><svg viewBox="0 0 24 24"><path d="M4 6h16M4 12h16M4 18h16" stroke="currentColor" stroke-width="2" stroke-linecap="round"/><circle cx="9" cy="6" r="2.2" fill="var(--bg)"/><circle cx="15" cy="12" r="2.2" fill="var(--bg)"/><circle cx="7" cy="18" r="2.2" fill="var(--bg)"/></svg></span>
+        <span class="nav-label">进程·服务</span>
+      </button>
       <button class="nav-item" data-route="system"  title="系统信息 / 升级">
         <span class="nav-ico"><svg viewBox="0 0 24 24"><rect x="6" y="3" width="12" height="18" rx="2" fill="none" stroke="currentColor" stroke-width="2"/><path d="M9 8h6M9 12h6M9 16h3" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg></span>
         <span class="nav-label">系统</span>
@@ -82,7 +94,7 @@
       <button class="icon-btn menu-btn" id="menu-btn" title="展开/收起导航" aria-label="菜单">
         <svg viewBox="0 0 24 24"><path d="M4 6h16M4 12h16M4 18h16" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg>
       </button>
-      <h1 class="topbar-title" id="page-title">实时性能</h1>
+      <h1 class="topbar-title" id="page-title">首页仪表盘</h1>
       <div class="topbar-actions">
         <span class="conn" id="conn-dot" data-state="unknown" title="后端连接">
           <span class="conn-dot"></span><span class="conn-text" id="conn-text">检测中…</span>
@@ -141,6 +153,22 @@
   </div>
 </div>
 
+<!-- 修改 / 清空面板 PIN 对话框（设置页「面板 PIN」卡） -->
+<div id="pindlg" class="modal-scrim" hidden>
+  <div class="modal">
+    <h2 class="modal-title" id="pindlg-title">修改 PIN</h2>
+    <p class="modal-body" id="pindlg-body"></p>
+    <input type="password" id="pindlg-old" class="login-input" placeholder="当前 PIN" inputmode="numeric" autocomplete="off" maxlength="4" hidden>
+    <input type="password" id="pindlg-new" class="login-input" placeholder="新 4 位 PIN" inputmode="numeric" autocomplete="off" maxlength="4" hidden>
+    <input type="password" id="pindlg-new2" class="login-input" placeholder="再次输入新 PIN" inputmode="numeric" autocomplete="off" maxlength="4" hidden>
+    <p class="login-err" id="pindlg-err" hidden></p>
+    <div class="modal-actions">
+      <button class="btn" id="pindlg-cancel">取消</button>
+      <button class="btn btn-primary" id="pindlg-ok">确定</button>
+    </div>
+  </div>
+</div>
+
 <div id="toast" class="toast" hidden></div>
 
 <script src="meowpanel.js"></script>
diff --git a/patch_v2/meowpanel/web/meowpanel.css b/patch_v2/meowpanel/web/meowpanel.css
index ea590dc..503eb8d 100644
--- a/patch_v2/meowpanel/web/meowpanel.css
+++ b/patch_v2/meowpanel/web/meowpanel.css
@@ -381,3 +381,83 @@ input[type=range]{ width:100%; accent-color:var(--primary); }
   .topbar{ padding:0 10px; gap:8px; }
   .seg-btn{ padding:6px 9px; }
 }
+
+/* ================= 批1-B：首页仪表盘 / 电平表 / 电源 / 进程 / PIN / 网络横幅 ================= */
+
+/* 首页卡片网格 */
+.home-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:16px; }
+.home-grid .card{ margin-bottom:0; }
+.home-sub{ color:var(--on-surface-variant); font-size:12px; margin-top:4px; }
+.home-dash{ font-size:20px; font-weight:700; }
+.home-unit{ font-size:12px; font-weight:400; color:var(--on-surface-variant); margin-left:4px; }
+.home-bigval{ font-size:30px; font-weight:700; line-height:1.1; }
+.home-bigunit{ font-size:14px; font-weight:400; color:var(--on-surface-variant); margin-left:4px; }
+.home-chip{ display:inline-block; padding:1px 8px; border-radius:999px; font-size:11px; vertical-align:middle; }
+.home-chip.ok{ background:rgba(76,175,80,.18); color:var(--success); }
+.home-chip.warn{ background:rgba(255,179,0,.18); color:var(--warning); }
+.home-chip.bad{ background:rgba(207,102,121,.18); color:var(--error); }
+.home-chip.mut{ background:var(--surface-variant); color:var(--on-surface-variant); }
+.home-card-grid{ display:grid; grid-template-columns:1fr 1fr; gap:6px 16px; }
+.home-kv{ display:flex; justify-content:space-between; gap:10px; font-size:13px; padding:3px 0; }
+.home-kv .k{ color:var(--on-surface-variant); }
+.home-kv .v{ text-align:right; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
+.dash-strip{ display:flex; align-items:center; gap:8px; margin-top:8px; }
+
+/* 电平表（rms 青绿 / peak 黄，刻度 -60..0 dBFS） */
+.lvl{ margin-top:8px; }
+.lvl-row{ display:flex; align-items:center; gap:10px; margin-bottom:8px; }
+.lvl-lbl{ width:44px; color:var(--on-surface-variant); font-size:12px; font-weight:600; }
+.lvl-meter{ flex:1; height:14px; border-radius:99px; background:var(--surface-dim); overflow:hidden; border:var(--outline-w) solid var(--outline-variant); }
+.lvl-fill{ height:100%; border-radius:99px; transition:width .18s ease; }
+.lvl-fill.rms{ background:#00bfa5; }
+.lvl-fill.peak{ background:#ffb300; }
+.lvl-val{ width:58px; text-align:right; font-family:var(--mono); font-size:12px; color:var(--on-surface-variant); }
+.lvl-scale{ display:flex; justify-content:space-between; color:var(--on-surface-variant); font-size:10px; padding:2px 68px 0 54px; }
+.lvl-spark{ display:block; width:100%; height:46px; margin-top:8px; }
+.lvl-spark .grid{ stroke:var(--outline-variant); stroke-width:1; }
+.lvl-note{ color:var(--on-surface-variant); font-size:12px; margin-top:6px; }
+
+/* 置信度徽标（measured/derived/estimated） */
+.conf-badge{ display:inline-flex; align-items:center; gap:5px; padding:3px 12px; border-radius:999px; font-size:12px; font-weight:600; }
+.conf-badge.measured{ background:rgba(76,175,80,.18); color:var(--success); }
+.conf-badge.derived{ background:rgba(74,139,245,.18); color:var(--primary); }
+.conf-badge.estimated{ background:rgba(255,179,0,.18); color:var(--warning); }
+.conf-badge.none{ background:var(--surface-variant); color:var(--on-surface-variant); }
+
+/* 子系统分解堆叠条 */
+.stack{ display:flex; height:24px; border-radius:99px; overflow:hidden; background:var(--surface-dim); border:var(--outline-w) solid var(--outline-variant); margin-top:10px; }
+.stack > span{ height:100%; }
+.stack-legend{ display:flex; flex-wrap:wrap; gap:8px 16px; margin-top:12px; font-size:12px; }
+.stack-legend .sw{ display:inline-block; width:12px; height:12px; border-radius:3px; margin-right:5px; vertical-align:middle; }
+.stack-legend .seg{ display:inline-flex; align-items:center; }
+.up-strip{ display:flex; align-items:center; gap:10px; }
+
+/* 电池展示 */
+.batt{ display:flex; align-items:center; gap:14px; }
+.batt-icon{ position:relative; width:40px; height:20px; border:2px solid var(--on-surface-variant); border-radius:4px; overflow:hidden; flex:0 0 40px; }
+.batt-icon::after{ content:""; position:absolute; right:-5px; top:5px; width:3px; height:8px; background:var(--on-surface-variant); border-radius:0 2px 2px 0; }
+.batt-icon .lvl-fill{ background:var(--success); }
+.batt-icon .lvl-fill.warn{ background:var(--warning); }
+.batt-icon .lvl-fill.bad{ background:var(--error); }
+.batt-icon .lvl-fill.charge{ background:var(--primary); }
+
+/* 进程/服务页高亮与行内日志 */
+.restart-hi{ color:var(--error); font-weight:700; }
+.crash-hi{ color:var(--error); font-weight:700; }
+.proc-row{ cursor:pointer; }
+.proc-tail{ margin-top:8px; }
+.proc-badge{ display:inline-block; padding:1px 7px; border-radius:999px; font-size:11px; font-family:var(--mono); background:var(--surface-variant); color:var(--on-surface-variant); margin-right:4px; }
+.proc-badge.board{ background:rgba(74,139,245,.18); color:var(--primary); }
+.proc-badge.tf{ background:rgba(255,179,0,.18); color:var(--warning); }
+
+/* 网络页内联错误横幅（不再整页踢「不可用」占位） */
+.page-banner{ display:flex; align-items:center; gap:12px; padding:10px 14px; border-radius:var(--radius-m); background:rgba(207,102,121,.13); color:var(--error); margin-bottom:14px; border:var(--outline-w) solid var(--outline-variant); font-size:13px; }
+.page-banner .ico{ font-size:16px; }
+.page-banner button{ margin-left:auto; }
+
+/* 设置页 PIN 卡 */
+.pin-status{ font-size:13px; }
+.pin-status .dot{ display:inline-block; width:10px; height:10px; border-radius:50%; margin-right:6px; vertical-align:middle; }
+.pin-status .dot.set{ background:var(--success); }
+.pin-status .dot.unset{ background:var(--warning); }
+.pin-status .dot.locked{ background:var(--error); }
diff --git a/patch_v2/meowpanel/web/meowpanel.js b/patch_v2/meowpanel/web/meowpanel.js
index b1ea3a2..76635f5 100644
--- a/patch_v2/meowpanel/web/meowpanel.js
+++ b/patch_v2/meowpanel/web/meowpanel.js
@@ -35,6 +35,86 @@
   function debounce(fn, ms) { let t = null; return function () { const a = arguments, c = this; clearTimeout(t); t = setTimeout(() => fn.apply(c, a), ms); }; }
   function pct(p) { return Math.max(0, Math.min(100, p)); }
 
+  /* ---------------- 音频电平表 / 仪表盘工具（deci-dB → dBFS；-990 = -inf） ---------------- */
+  function deciToDb(v) { return (v == null || v <= -990) ? null : v / 10; }
+  function fmtDb(v) {
+    const db = deciToDb(v);
+    if (db == null) return '−∞';
+    return (db > 0 ? '+' : '') + db.toFixed(1);
+  }
+  function dbPct(v) {   // -60..0 dBFS 映射到 0..100% 条宽
+    const db = deciToDb(v);
+    if (db == null) return 0;
+    return Math.max(0, Math.min(100, (db + 60) / 60 * 100));
+  }
+  function isAvail(b) { return !!(b && b.available !== false); }
+  const sparkRms = [], sparkPeak = [];
+  const SPARK_MAX = 30;
+  function sparklineHtml() {
+    return '<svg class="lvl-spark" viewBox="0 0 100 46" preserveAspectRatio="none" aria-hidden="true">' +
+      '<line class="grid" x1="0" y1="46" x2="100" y2="46"/>' +
+      '<line class="grid" x1="0" y1="23" x2="100" y2="23"/>' +
+      '<polyline class="spk-rms" points="" fill="none" stroke="#00bfa5" stroke-width="1.6" vector-effect="non-scaling-stroke"/>' +
+      '<polyline class="spk-peak" points="" fill="none" stroke="#ffb300" stroke-width="1.6" vector-effect="non-scaling-stroke"/>' +
+      '</svg>';
+  }
+  function sparklinePoints(arr) {
+    const n = arr.length;
+    if (!n) return '';
+    return arr.map((v, i) => {
+      const x = (i / (SPARK_MAX - 1)) * 100;
+      return x.toFixed(1) + ',' + (46 - Math.max(0, Math.min(100, v)) / 100 * 40).toFixed(1);
+    }).join(' ');
+  }
+  function pushSpark(v, arr) {   // deci-dB → 0..100 百分比入队（<=30 点）
+    arr.push(dbPct(v));
+    if (arr.length > SPARK_MAX) arr.shift();
+  }
+  function drawSpark(rootEl) {
+    const svg = rootEl && rootEl.querySelector('.lvl-spark');
+    if (!svg) return;
+    const r = svg.querySelector('.spk-rms'), p = svg.querySelector('.spk-peak');
+    if (r) r.setAttribute('points', sparklinePoints(sparkRms));
+    if (p) p.setAttribute('points', sparklinePoints(sparkPeak));
+  }
+  function resetSpark() { sparkRms.length = 0; sparkPeak.length = 0; }
+  function levelMeterHtml() {
+    return '<div class="lvl">' +
+      '<div class="lvl-row"><span class="lvl-lbl">RMS</span>' +
+        '<div class="lvl-meter"><div class="lvl-fill rms" style="width:0%"></div></div>' +
+        '<span class="lvl-val" data-val="rms">−∞</span></div>' +
+      '<div class="lvl-row"><span class="lvl-lbl">PEAK</span>' +
+        '<div class="lvl-meter"><div class="lvl-fill peak" style="width:0%"></div></div>' +
+        '<span class="lvl-val" data-val="peak">−∞</span></div>' +
+      '<div class="lvl-scale"><span>-60</span><span>-40</span><span>-20</span><span>0 dBFS</span></div>' +
+      sparklineHtml() + '</div>';
+  }
+  function updateLevelMeter(rootEl, d) {
+    if (!rootEl) return;
+    const rms = (d && d.available) ? d.rms : null;
+    const peak = (d && d.available) ? d.peak : null;
+    const fr = rootEl.querySelector('.lvl-fill.rms');
+    const fp = rootEl.querySelector('.lvl-fill.peak');
+    const vr = rootEl.querySelector('.lvl-val[data-val="rms"]');
+    const vp = rootEl.querySelector('.lvl-val[data-val="peak"]');
+    if (fr) fr.style.width = dbPct(rms) + '%';
+    if (fp) fp.style.width = dbPct(peak) + '%';
+    if (vr) vr.textContent = fmtDb(rms);
+    if (vp) vp.textContent = fmtDb(peak);
+    pushSpark(rms, sparkRms); pushSpark(peak, sparkPeak);
+    drawSpark(rootEl);
+  }
+  function homeKv(k, v) {
+    return '<div class="home-kv"><span class="k">' + esc(k) + '</span><span class="v">' + v + '</span></div>';
+  }
+  function homeUnavailable() { return '<div class="home-sub">— 数据不可用</div>'; }
+  function homeCard(title, body) { return '<div class="card"><h3 class="card-title">' + esc(title) + '</h3>' + body + '</div>'; }
+  function modePill(m) {
+    if (!m) return '<span class="home-chip mut">—</span>';
+    const cls = (m === 'meow') ? 'ok' : ((m === 'hiby') ? 'warn' : 'mut');
+    return '<span class="home-chip ' + cls + '">' + esc(m) + '</span>';
+  }
+
   /* ---------------- 全局状态 ---------------- */
   const state = {
     style: 'md3', mode: 'dark',       // 已解析的风格/明暗（应用到 <html> data-style/data-mode）
@@ -419,7 +499,9 @@
     });
   }
 
-  /* ---------------- 2b. 音频页（meow_audiod 状态快照，5s 轮询，只读） ---------------- */
+  /* ---------------- 2b. 音频页（meow_audiod 状态快照，1s 轮询，只读；含 rms/peak 电平可视化） ----------------
+   * 电平：rms(青绿) + peak(黄) 双条 dBFS 表（-60..0 刻度）+ deci-dB 数值 + 近 30 采样 sparkline（客户端自累积）。
+   * 短流时显示「无流」；audiod 不在 → available:false。 */
   let audioTimer = null;
   function stopAudio() { if (audioTimer) { clearInterval(audioTimer); audioTimer = null; } }
   function audioPortName(p) {   // audiod numid=9 路由口语义（AUDIOD_DESIGN §5）
@@ -428,7 +510,7 @@
     return m[p] || ('端口 ' + p);
   }
   function fmtFrames(n) { return (n == null) ? '—' : Number(n).toLocaleString(); }
-  function renderAudioData(page, d) {
+  function audioFlowHtml(d) {
     let h = '';
     if (!d || !d.available) {
       h += '<div class="card"><h3 class="card-title">音频服务（meow_audiod）</h3>' +
@@ -456,22 +538,454 @@
         row('音量', (d.vol != null && d.vol >= 0 ? esc(d.vol) + ' %' : '—')) +
         '</tbody></table></div>';
     }
-    h += '<p class="muted">每 5 秒自动刷新 · 只读展示（测试音请用设备 CLI <code>meow_audio tone</code>，面板不放声）。</p>';
-    page.innerHTML = h;
+    return h;
   }
   async function fetchAudioOnce() {
-    const page = $('#audio-page');
-    if (!page || state.route !== 'audio') return;
+    const flowEl = $('#audio-flow');
+    if (!flowEl || state.route !== 'audio') return;
     let d;
     try { d = await api('GET', '/api/audio'); }
-    catch (e) { if (page && state.route === 'audio') page.innerHTML = emptyState('加载失败：' + errText(e), e.code); return; }
-    if (state.route === 'audio') renderAudioData(page, d);
+    catch (e) {
+      if (flowEl && state.route === 'audio') flowEl.innerHTML = '<div class="card"><div class="empty">加载失败：' + esc(errText(e)) + '</div></div>';
+      return;
+    }
+    if (state.route !== 'audio') return;
+    flowEl.innerHTML = audioFlowHtml(d);
+    updateLevelMeter($('#audio-level'), d);
+    const note = $('#audio-level-note');
+    if (note) {
+      if (!d || !d.available) note.innerHTML = 'audiod 不可用 · 每 1 秒自动刷新 · 只读展示。';
+      else if (!d.active) note.innerHTML = '当前无流 · 电平保持 −∞ · 每 1 秒自动刷新。';
+      else note.innerHTML = '每 1 秒自动刷新 · 只读展示（测试音请用设备 CLI <code>meow_audio tone</code>，面板不放声）。';
+    }
   }
   function renderAudio() {
-    $('#content').innerHTML = '<div class="page" id="audio-page"><p class="placeholder">加载音频状态…</p></div>';
+    resetSpark();   // 进入页面重置 sparkline 累积
     stopAudio();
+    $('#content').innerHTML =
+      '<div class="page" id="audio-page">' +
+        '<div id="audio-flow"><p class="placeholder">加载音频状态…</p></div>' +
+        '<div class="card"><h3 class="card-title">电平（dBFS）</h3>' +
+          '<div id="audio-level">' + levelMeterHtml() + '</div>' +
+          '<p class="muted" id="audio-level-note">每 1 秒自动刷新 · 只读展示（测试音请用设备 CLI <code>meow_audio tone</code>，面板不放声）。</p>' +
+        '</div>' +
+      '</div>';
     fetchAudioOnce();
-    audioTimer = setInterval(fetchAudioOnce, 5000);
+    audioTimer = setInterval(fetchAudioOnce, 1000);
+  }
+
+  /* ---------------- 2d. 首页仪表盘（#/home，默认路由；/api/overview 聚合，5s 节拍 + 电平 1s 子节拍） ----------------
+   * 单请求 /api/overview 供全部卡片；另低频补充 /api/system（boot/默认启动，静态）+ /api/net/dns（DNS 上游/缓存）。
+   * 任一源 available:false / 缺失 → 该卡显示「—」，绝不拖垮其它卡。 */
+  let homeTimer = null, homeLevelTimer = null;
+  let homeData = null, homeDns = null, homeSys = null;
+  function stopHome() {
+    if (homeTimer) { clearInterval(homeTimer); homeTimer = null; }
+    if (homeLevelTimer) { clearInterval(homeLevelTimer); homeLevelTimer = null; }
+  }
+  /* 设备信息卡：版本/hostname/内核/架构/运行模式/默认启动（boot 来自 /api/system 一次性拉取） */
+  function deviceCard() {
+    const p = (homeData && homeData.perf && homeData.perf.system);
+    const s = homeSys;
+    const ver = (s && s.version) || (p && p.version) || '—';
+    const host = (s && s.hostname) || (p && p.hostname) || '—';
+    const ker = (s && s.kernel) || (p && p.kernel) || '—';
+    const arch = (s && s.arch) || (p && p.arch) || '—';
+    const bootD = (s && s.boot && s.boot.default) || '—';
+    const cur = (s && s.boot) ? (s.boot.mode || s.boot.current || null) : null;
+    let rows = '';
+    rows += homeKv('版本', esc(ver));
+    rows += homeKv('主机名', esc(host));
+    rows += homeKv('内核', esc(ker));
+    rows += homeKv('架构', esc(arch));
+    rows += homeKv('运行模式', modePill(cur));
+    rows += homeKv('默认启动', modePill(bootD));
+    return homeCard('设备信息', '<div class="home-card-grid">' + rows + '</div>');
+  }
+  function batteryCard() {
+    const pw = homeData && homeData.power;
+    if (!isAvail(pw)) return homeCard('电量 / 充电', homeUnavailable());
+    const b = pw.battery || {};
+    const pct = (b.pct != null) ? b.pct : null;
+    const state = b.state || '—';
+    const charging = (state === 'Charging' || state === 'Full');
+    const fillCls = (!pct) ? '' : (pct >= 85 ? 'charge' : (pct <= 20 ? 'bad' : ''));
+    let inner = '<div class="batt"><span class="batt-icon"><span class="lvl-fill ' + fillCls + '" style="width:' + (pct == null ? 0 : pct) + '%"></span></span>' +
+      '<span class="home-bigval">' + (pct == null ? '—' : pct) + '</span><span class="home-bigunit">%</span>' +
+      '<span class="home-chip ' + (charging ? 'ok' : 'mut') + '">' + esc(state) + '</span></div>';
+    inner += '<div class="home-card-grid">' +
+      homeKv('电压', b.mv != null ? (b.mv / 1000).toFixed(2) + ' V' : '—') +
+      homeKv('健康', b.health ? esc(b.health) : '—') +
+      homeKv('温度', b.temp_c10 != null ? (b.temp_c10 / 10).toFixed(1) + ' ℃' : '—') +
+      (b.est_minutes_left != null ? homeKv('续航估算', b.est_minutes_left + ' 分钟') :
+        (b.est_minutes_full != null ? homeKv('充满估算', b.est_minutes_full + ' 分钟') : '')) +
+      '</div>';
+    return homeCard('电量 / 充电', inner);
+  }
+  function audioCard() {
+    const ad = homeData && homeData.audio;
+    if (!isAvail(ad)) return homeCard('音频', homeUnavailable());
+    let body = '';
+    if (ad.active) {
+      body += '<div class="home-card-grid">' +
+        homeKv('流', esc(ad.app || '—') + ' · ' + esc(ad.rate) + 'Hz ' + esc(ad.fmt || '')) +
+        homeKv('输出口', audioPortName(ad.port)) +
+        homeKv('音量', (ad.vol != null && ad.vol >= 0 ? esc(ad.vol) + ' %' : '—')) +
+        '</div>';
+    } else {
+      body += '<div class="home-sub">当前无活跃音频流。</div>';
+    }
+    body += '<div id="home-audio-level">' + levelMeterHtml() + '</div>' +
+      '<p class="muted" id="home-audio-note">' + (ad.active ? '电平 · 1s 子节拍' : '无流') + '</p>';
+    return homeCard('音频', body);
+  }
+  function netCard() {
+    const nd = homeData && homeData.net;
+    if (!isAvail(nd)) return homeCard('WiFi / DNS', homeUnavailable());
+    const w = nd.wifi || {};
+    const dn = homeDns;
+    let rows = '';
+    rows += homeKv('WiFi', w.connected ? ('<span class="home-chip ok">已连接</span> ' + esc(w.ssid || '')) : '<span class="home-chip warn">未连接</span>');
+    if (w.connected) {
+      rows += homeKv('IP', esc(w.ip || '—'));
+      rows += homeKv('信号', (w.rssi != null ? esc(w.rssi) + ' dBm' : '—'));
+    }
+    if (dn) {
+      rows += homeKv('DNS 上游', esc(dn.upstream || '—'));
+      rows += homeKv('DNS 缓存', (dn.cache_hits || 0) + ' / ' + (dn.cache_total || 0) + (dn.enabled ? '' : '（停用）'));
+    } else {
+      rows += homeKv('DNS', '<span class="home-chip mut">—</span>');
+    }
+    return homeCard('WiFi / DNS', '<div class="home-card-grid">' + rows + '</div>');
+  }
+  function healthCard() {
+    const ams = homeData && homeData.ams;
+    const svcd = homeData && homeData.svcd;
+    let appTxt = '—', svcBad = 0, svcHi = 0, svcTxt = '—';
+    if (isAvail(ams)) {
+      const apps = ams.apps || [];
+      const run = apps.filter(a => a.state === 'fg' || a.state === 'bg').length;
+      appTxt = run + ' 在跑 / ' + (ams.count || apps.length) + ' 已装';
+    }
+    let svcHtml;
+    if (isAvail(svcd)) {
+      const svcs = svcd.services || [];
+      svcBad = svcs.filter(s => s.state === 'failed').length;
+      svcHi = svcs.filter(s => (s.restart || 0) >= 3).length;
+      svcTxt = svcs.filter(s => s.state === 'running').length + ' 运行中';
+      svcHtml = '';
+      if (svcBad) svcHtml += '<span class="home-chip bad">' + svcBad + ' FAILED</span> ';
+      if (svcHi) svcHtml += '<span class="home-chip warn">' + svcHi + ' 高重启</span> ';
+      if (!svcBad && !svcHi) svcHtml += '<span class="home-chip ok">正常</span> ';
+    } else {
+      svcHtml = '<span class="home-chip mut">不可用</span> ';
+      svcTxt = '—';
+    }
+    return homeCard('在跑 App 与服务', '<div class="home-card-grid">' +
+      homeKv('在跑 App', esc(appTxt)) + homeKv('服务健康', svcHtml + esc(svcTxt)) + '</div>');
+  }
+  function storageCard() {
+    const perf = homeData && homeData.perf;
+    if (!isAvail(perf)) return homeCard('存储', homeUnavailable());
+    const st = perf.storage || {}, tf = perf.tfcard || {};
+    let rows = homeKv('rootfs', (st.used != null ? fmtBytes(st.used * 1024) : '—') + ' / ' + (st.total != null ? fmtBytes(st.total * 1024) : '—'));
+    rows += (tf.present) ?
+      homeKv('TF 卡', fmtBytes((tf.used || 0) * 1024) + ' / ' + fmtBytes((tf.total || 0) * 1024)) :
+      homeKv('TF 卡', '<span class="home-chip mut">未插卡</span>');
+    return homeCard('存储', '<div class="home-card-grid">' + rows + '</div>');
+  }
+  function perfCard() {
+    const perf = homeData && homeData.perf;
+    if (!isAvail(perf)) return homeCard('性能小条', homeUnavailable());
+    const cpu = perf.cpu || {}, mem = perf.memory || {}, tmp = perf.temp || {};
+    const cpuU = cpu.usage;
+    const memP = mem.total ? (mem.used / mem.total) * 100 : 0;
+    return homeCard('性能小条', '<div class="stat-grid" style="grid-template-columns:repeat(auto-fill,minmax(120px,1fr))">' +
+      '<div class="stat"><div class="stat-label">CPU</div><div class="stat-value">' + (cpuU == null ? '—' : (+cpuU).toFixed(1)) + '<span class="stat-unit">%</span></div>' + barHtml(cpuU || 0) + '</div>' +
+      '<div class="stat"><div class="stat-label">内存</div><div class="stat-value">' + (mem.total ? fmtBytes(mem.used * 1024) : '—') + '</div>' + barHtml(mem.used && mem.total ? memP : 0) + '</div>' +
+      '<div class="stat"><div class="stat-label">温度</div><div class="stat-value">' + (tmp.cpu != null ? (+tmp.cpu).toFixed(1) + '<span class="stat-unit">℃</span>' : '—') + '</div></div>' +
+      '</div>');
+  }
+  function renderHomeCards() {
+    const body = $('#home-body');
+    if (!body || state.route !== 'home') return;
+    if (!homeData) { body.innerHTML = '<p class="placeholder">加载总览…</p>'; return; }
+    let h = '<div class="home-grid">' +
+      deviceCard() + batteryCard() + audioCard() + netCard() + healthCard() + storageCard() + perfCard() +
+      '</div>';
+    body.innerHTML = h;
+    const ad = homeData.audio;
+    if (isAvail(ad)) updateLevelMeter($('#home-audio-level'), ad);
+  }
+  async function fetchHomeSystem() {   // 静态设备信息（boot/默认启动）；进入时拉一次，失败不阻塞
+    try { homeSys = await api('GET', '/api/system'); } catch (e) { homeSys = null; }
+    if (state.route === 'home') renderHomeCards();
+  }
+  async function fetchHomeLevel() {   // 电平 1s 子节拍（独立于 overview 5s）
+    if (state.route !== 'home') return;
+    const el = $('#home-audio-level'); if (!el) return;
+    let d;
+    try { d = await api('GET', '/api/audio'); } catch (e) { return; }
+    if (state.route !== 'home') return;
+    updateLevelMeter(el, d);
+    const note = $('#home-audio-note');
+    if (note) note.textContent = (!d || !d.available) ? 'audiod 不可用' : (d.active ? '电平 · 1s 子节拍' : '无流');
+  }
+  async function fetchOverviewOnce() {
+    if (state.route !== 'home') return;
+    const r = await Promise.allSettled([api('GET', '/api/net/dns'), api('GET', '/api/overview')]);
+    if (r[1].status !== 'fulfilled') {
+      const b = $('#home-banner');
+      if (b) {
+        b.innerHTML = '<span class="ico">⚠️</span><span>总览加载失败：' + esc(errText(r[1].reason)) + '</span><button class="btn" id="home-retry">重试</button>';
+        b.hidden = false;
+      }
+      return;
+    }
+    const b = $('#home-banner'); if (b) { b.hidden = true; b.innerHTML = ''; }
+    homeDns = (r[0].status === 'fulfilled') ? r[0].value : null;
+    homeData = r[1].value;
+    renderHomeCards();
+  }
+  function renderHome() {
+    stopHome();
+    resetSpark();          // 进入首页重置 sparkline 累积
+    homeData = null; homeDns = null; homeSys = null;
+    $('#content').innerHTML =
+      '<div class="page" id="home-page">' +
+        '<div id="home-banner" class="page-banner" hidden></div>' +
+        '<div id="home-body"><p class="placeholder">加载总览…</p></div>' +
+      '</div>';
+    fetchHomeSystem();
+    fetchOverviewOnce();
+    homeTimer = setInterval(fetchOverviewOnce, 5000);
+    homeLevelTimer = setInterval(fetchHomeLevel, 1000);
+  }
+  function bindHome() {
+    $('#content').addEventListener('click', function (e) {
+      if (e.target.closest('#home-retry')) { fetchOverviewOnce(); return; }
+    });
+  }
+
+  /* ---------------- 2e. 电源 / 功耗页（#/power；/api/power，只读） ----------------
+   * 电池卡 + 功耗估算卡（est_mw + confidence 徽标，必须如实标注）+ 子系统分解堆叠条。 */
+  let powerTimer = null;
+  function stopPower() { if (powerTimer) { clearInterval(powerTimer); powerTimer = null; } }
+  function batteryCardBody(b) {
+    if (!b) return homeUnavailable();
+    const pct = (b.pct != null) ? b.pct : null;
+    const state = b.state || '—';
+    const charging = (state === 'Charging' || state === 'Full');
+    const fillCls = (!pct) ? '' : (pct >= 85 ? 'charge' : (pct <= 20 ? 'bad' : ''));
+    let h = '<div class="batt"><span class="batt-icon"><span class="lvl-fill ' + fillCls + '" style="width:' + (pct == null ? 0 : pct) + '%"></span></span>' +
+      '<span class="home-bigval">' + (pct == null ? '—' : pct) + '</span><span class="home-bigunit">%</span>' +
+      '<span class="home-chip ' + (charging ? 'ok' : 'mut') + '">' + esc(state) + '</span></div>';
+    h += '<table class="table"><tbody>' +
+      row('电压', b.mv != null ? (b.mv / 1000).toFixed(2) + ' V' : '—') +
+      row('健康', b.health ? esc(b.health) : '—') +
+      row('技术', b.technology ? esc(b.technology) : '—') +
+      row('电池温度', b.temp_c10 != null ? (b.temp_c10 / 10).toFixed(1) + ' ℃' : '—') +
+      row('充电器温度', b.charger_temp_c10 != null ? (b.charger_temp_c10 / 10).toFixed(1) + ' ℃' : '—') +
+      row('循环次数', b.cycle_count != null ? b.cycle_count : '—') +
+      row('放电速率', b.rate_pct_min_x100 != null ? ((b.rate_pct_min_x100 / 100).toFixed(2) + ' %/min') : '—') +
+      row('续航估算', b.est_minutes_left != null ? (b.est_minutes_left + ' 分钟（剩余）') : (b.est_minutes_full != null ? (b.est_minutes_full + ' 分钟（充满）') : '—')) +
+      '</tbody></table>';
+    return h;
+  }
+  function estimateCardBody(est) {
+    if (!est) return homeUnavailable();
+    if (est.est_mw == null) return '<div class="home-sub">' + (est.degraded ? '功耗估算不可用（HibyOS 只读模式）' : '—') + '</div>';
+    const conf = est.confidence || 'estimated';
+    const cls = conf === 'measured' ? 'measured' : (conf === 'derived' ? 'derived' : (conf === 'none' ? 'none' : 'estimated'));
+    return '<div class="up-strip"><span class="home-bigval">' + est.est_mw + '</span><span class="home-bigunit">mW</span>' +
+      '<span class="conf-badge ' + cls + '">' + esc(conf) + (est.calibrated ? ' · 已标定' : ' · 经验值') + '</span></div>' +
+      '<p class="muted">Model 系数全部为经验初值（未真机标定）；confidence 必须如实标注。</p>';
+  }
+  function breakdownCardBody(bd) {
+    if (!bd) return homeUnavailable();
+    if (bd.degraded) return '<div class="home-sub">系统分解不可用（HibyOS 只读模式）</div>';
+    const comps = [
+      { label: '屏幕(背光)', mw: bd.backlight_mw, color: '#4a8bf5' },
+      { label: 'WiFi', mw: bd.wifi_mw, color: '#00bfa5' },
+      { label: '蓝牙', mw: bd.bt_mw, color: '#ab47bc' },
+      { label: '音频', mw: bd.audio_mw, color: '#ffb300' },
+      { label: 'CPU', mw: bd.cpu_mw, color: '#ff7043' },
+      { label: '基线', mw: bd.baseline_mw, color: '#8d6e63' }
+    ].filter(c => c.mw != null && c.mw >= 0);
+    const total = comps.reduce((a, c) => a + c.mw, 0);
+    let stack = '<div class="stack">';
+    comps.forEach(c => { stack += '<span style="width:' + (total > 0 ? (c.mw / total * 100) : 0) + '%;background:' + c.color + '" title="' + esc(c.label) + ': ' + c.mw + ' mW (' + (total > 0 ? (c.mw / total * 100).toFixed(1) : '0') + '%)"></span>'; });
+    stack += '</div>';
+    let legend = '<div class="stack-legend">';
+    comps.forEach(c => {
+      legend += '<span class="seg"><span class="sw" style="background:' + c.color + '"></span>' + esc(c.label) + ' ' + c.mw + ' mW (' + (total > 0 ? (c.mw / total * 100).toFixed(1) : '0') + '%)</span>';
+    });
+    legend += '</div>';
+    if (bd.cpu_util_pct != null || bd.brightness_pct != null || bd.wifi_state || bd.bt_state || bd.audio_state) {
+      legend += '<p class="muted">' +
+        (bd.cpu_util_pct != null ? 'CPU 利用率 ' + esc(bd.cpu_util_pct) + '% ' : '') +
+        (bd.brightness_pct != null ? '· 亮度 ' + esc(bd.brightness_pct) + '% ' : '') +
+        (bd.wifi_state ? '· WiFi ' + esc(bd.wifi_state) : '') +
+        (bd.bt_state ? ' · BT ' + esc(bd.bt_state) : '') +
+        (bd.audio_state ? ' · 音频 ' + esc(bd.audio_state) : '') + '</p>';
+    }
+    return '<div class="home-sub">合计 ' + total + ' mW（分解为经验估算）</div>' + stack + legend;
+  }
+  function renderPowerBody(d) {
+    let h = '<div class="page" id="power-page">';
+    if (d && d.mode === 'readonly') h += '<div class="page-banner"><span class="ico">ℹ️</span><span>当前为电源只读观测（HibyOS 模式），仅显示电池采样，无功耗估算/分解。</span></div>';
+    h += '<div class="card"><h3 class="card-title">电池</h3>' + ((d && d.battery) ? batteryCardBody(d.battery) : homeUnavailable()) + '</div>';
+    h += '<div class="card"><h3 class="card-title">功耗估算</h3>' + ((d && d.estimate) ? estimateCardBody(d.estimate) : homeUnavailable()) + '</div>';
+    h += '<div class="card"><h3 class="card-title">子系统分解</h3>' + ((d && d.breakdown) ? breakdownCardBody(d.breakdown) : homeUnavailable()) + '</div>';
+    if (d && d.policy == null) h += '<p class="muted" style="margin-top:6px">电源策略（profile 四档/低电阈值）为 期3 功能，此处以不可用占位。</p>';
+    h += '</div>';
+    return h;
+  }
+  async function fetchPowerOnce() {
+    const el = $('#power-page');
+    if (!el || state.route !== 'power') return;
+    let d;
+    try { d = await api('GET', '/api/power'); }
+    catch (e) { if (el && state.route === 'power') el.innerHTML = '<div class="page" id="power-page">' + emptyState('加载失败：' + errText(e), e.code) + '</div>'; return; }
+    if (state.route !== 'power') return;
+    el.innerHTML = renderPowerBody(d);
+  }
+  function renderPower() {
+    stopPower();
+    $('#content').innerHTML = '<div class="page" id="power-page"><p class="placeholder">加载电源数据…</p></div>';
+    fetchPowerOnce();
+    powerTimer = setInterval(fetchPowerOnce, 5000);
+  }
+
+  /* ---------------- 2f. 进程 / 服务页（#/proc；/api/svcd + /api/ams，只读，无 restart/kill） ----------------
+   * svcd 服务表（state/pid/restart 计数≥3 高亮/exec/来源 board|tf）+ ams App 表（state/pid/crashes/launches/last_kind）；
+   * 行点开经 /api/files 列 MeowOS/logs/<pkg>/ 找最新 stdout_*.log，再用 /api/logs/read 读尾部（崩溃尾巴）。 */
+  let procTimer = null;
+  let expandedProc = null;   // { pkg, file, lines, truncated }：已展开的 App stdout 尾部（重渲染后重开，防轮询清空）
+  function stopProc() { if (procTimer) { clearInterval(procTimer); procTimer = null; } }
+  function svcStatePill(s) {
+    const map = { running: ['ok', '运行'], stopped: ['mut', '已停'], stopping: ['warn', '停止中'], disabled: ['mut', '禁用'], failed: ['bad', '失败'] };
+    const m = map[s] || ['mut', s || '—'];
+    return '<span class="h-pill ' + m[0] + '">' + esc(m[1]) + '</span>';
+  }
+  function appStatePill(s) {
+    const map = { fg: ['ok', '前台'], bg: ['warn', '后台'], stop: ['mut', '已停'] };
+    const m = map[s] || ['mut', s || '—'];
+    return '<span class="h-pill ' + m[0] + '">' + esc(m[1]) + '</span>';
+  }
+  function srcPill(src) {
+    const cls = (src === 'board') ? 'board' : (src === 'tf' ? 'tf' : '');
+    return src ? '<span class="proc-badge ' + cls + '">' + esc(src) + '</span>' : '—';
+  }
+  function renderProcBody(ams, svcd) {
+    let h = '<div class="page" id="proc-page">';
+    h += '<div class="card"><h3 class="card-title">服务（meow_svcd）</h3>';
+    if (svcd && svcd.available) {
+      const svcs = svcd.services || [];
+      h += '<table class="table"><thead><tr><th>服务</th><th>状态</th><th>PID</th><th>重启</th><th>退避</th><th>触发</th><th>来源</th><th>退出</th><th>执行</th></tr></thead><tbody>';
+      if (!svcs.length) h += '<tr><td colspan="9" class="empty">暂无服务</td></tr>';
+      svcs.forEach(s => {
+        h += '<tr><td class="mono">' + esc(s.name) + '</td>' +
+          '<td>' + svcStatePill(s.state) + '</td>' +
+          '<td>' + (s.pid > 0 ? esc(s.pid) : '—') + '</td>' +
+          '<td class="' + ((s.restart || 0) >= 3 ? 'restart-hi' : 'muted') + '">' + (s.restart || 0) + ((s.restart || 0) >= 3 ? ' ⚠' : '') + '</td>' +
+          '<td class="muted">' + esc(s.backoff_ms || '—') + '</td>' +
+          '<td class="muted">' + esc(s.trigger || '—') + '</td>' +
+          '<td>' + srcPill(s.src) + '</td>' +
+          '<td class="muted">' + esc(s.exit || '—') + '</td>' +
+          '<td class="mono muted">' + esc(s.exec || '—') + '</td></tr>';
+      });
+      h += '</tbody></table>';
+    } else h += homeUnavailable();
+    h += '</div>';
+    h += '<div class="card"><h3 class="card-title">App（meow_amsd，只读）</h3>';
+    if (ams && ams.available) {
+      const apps = ams.apps || [];
+      h += '<table class="table"><thead><tr><th>包名</th><th>名称</th><th>状态</th><th>PID</th><th>启动</th><th>崩溃</th><th>上次退出</th><th style="text-align:right">操作</th></tr></thead><tbody>';
+      if (!apps.length) h += '<tr><td colspan="8" class="empty">无可观测 App</td></tr>';
+      apps.forEach(a => {
+        const openHere = expandedProc && expandedProc.pkg === a.pkg;
+        h += '<tr><td class="mono">' + esc(a.pkg) + '</td><td>' + esc(a.name || '—') + '</td>' +
+          '<td>' + appStatePill(a.state) + '</td><td>' + (a.pid > 0 ? esc(a.pid) : '—') + '</td>' +
+          '<td class="muted">' + esc(a.launches || 0) + '</td>' +
+          '<td class="' + ((a.crashes || 0) > 0 ? 'crash-hi' : 'muted') + '">' + (a.crashes || 0) + ((a.crashes || 0) > 0 ? ' ⚠' : '') + '</td>' +
+          '<td class="muted">' + esc(a.last_kind || '—') + (a.last_code != null && a.last_code !== 0 ? ' (' + esc(a.last_code) + ')' : '') + '</td>' +
+          '<td><div class="row-actions"><button class="btn btn-ghost" data-applog="' + esc(a.pkg) + '">' + (openHere ? '收起' : 'stdout 尾部') + '</button></div></td></tr>';
+        if (openHere) {
+          const lines = (expandedProc.lines || []);
+          h += '<tr class="proc-tail"><td colspan="8"><pre class="log-view">' + esc(lines.join('\n') || '(空)') +
+            (expandedProc.truncated ? '\n…（超出尾部上限，部分被截断）' : '') + '</pre>' +
+            '<div class="muted">' + esc(a.pkg + '/' + expandedProc.file) + ' · 末尾 ' + lines.length + ' 行</div></td></tr>';
+        }
+      });
+      h += '</tbody></table>';
+      h += '<p class="muted">点击「stdout 尾部」查看该 App 最新 stdout_*.log 末尾（崩溃尾巴）。仅只读，无 restart/kill。</p>';
+    } else h += homeUnavailable();
+    h += '</div></div>';
+    return h;
+  }
+  async function newestStdout(pkg) {
+    try {
+      const d = await api('GET', '/api/files?path=' + encodeURIComponent('/MeowOS/logs/' + pkg + '/'));
+      const files = (d.items || []).filter(f => f.type === 'file' && f.name && f.name.indexOf('stdout_') === 0);
+      if (!files.length) return null;
+      files.sort((a, b) => (b.mtime || 0) - (a.mtime || 0));
+      return files[0].name;
+    } catch (e) { return null; }
+  }
+  async function viewAppStdout(pkg, btn) {
+    const row = btn.closest('tr'); if (!row) return;
+    const next = row.nextElementSibling;
+    if (next && next.classList && next.classList.contains('proc-tail')) { next.remove(); expandedProc = null; btn.textContent = 'stdout 尾部'; return; }
+    if (expandedProc && expandedProc.pkg !== pkg) {   // 先收起上一个 opened
+      const prevTail = document.querySelector('tr.proc-tail');
+      if (prevTail) prevTail.remove();
+      const prevBtn = document.querySelector('[data-applog="' + escSafeAttr(expandedProc.pkg) + '"]');
+      if (prevBtn) prevBtn.textContent = 'stdout 尾部';
+      expandedProc = null;
+    }
+    btn.textContent = '加载中…';
+    const tailTr = document.createElement('tr');
+    tailTr.className = 'proc-tail';
+    tailTr.innerHTML = '<td colspan="8"><div class="muted">读取 ' + esc(pkg) + ' 最新 stdout…</div></td>';
+    row.after(tailTr);
+    try {
+      const file = await newestStdout(pkg);
+      if (!file) { tailTr.innerHTML = '<td colspan="8"><div class="empty">未找到 ' + esc(pkg) + ' 的 stdout 日志</div></td>'; btn.textContent = 'stdout 尾部'; return; }
+      const d = await api('GET', '/api/logs/read?file=' + encodeURIComponent(pkg + '/' + file) + '&lines=200');
+      const lines = (d.lines || []);
+      expandedProc = { pkg: pkg, file: file, lines: lines, truncated: !!d.truncated };
+      tailTr.innerHTML = '<td colspan="8"><pre class="log-view">' + esc(lines.join('\n') || '(空)') + (d.truncated ? '\n…（超出尾部上限，部分被截断）' : '') + '</pre>' +
+        '<div class="muted">' + esc(pkg + '/' + file) + ' · 末尾 ' + lines.length + ' 行</div></td>';
+      btn.textContent = '收起';
+    } catch (err) {
+      tailTr.innerHTML = '<td colspan="8"><div class="empty">读取失败：' + esc(errText(err)) + '</div></td>';
+      btn.textContent = 'stdout 尾部';
+    }
+  }
+  function escSafeAttr(s) { return String(s == null ? '' : s).replace(/[&<>"']/g, m => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[m])); }
+  async function fetchProcOnce() {
+    const el = $('#proc-page');
+    if (!el || state.route !== 'proc') return;
+    const r = await Promise.allSettled([api('GET', '/api/ams'), api('GET', '/api/svcd')]);
+    if (state.route !== 'proc') return;
+    if (r[0].status !== 'fulfilled' && r[1].status !== 'fulfilled') {
+      el.innerHTML = '<div class="page" id="proc-page">' + emptyState('加载失败：' + errText(r[0].reason || r[1].reason)) + '</div>';
+      return;
+    }
+    el.innerHTML = renderProcBody(r[0].status === 'fulfilled' ? r[0].value : null, r[1].status === 'fulfilled' ? r[1].value : null);
+  }
+  function renderProc() {
+    stopProc();
+    $('#content').innerHTML = '<div class="page" id="proc-page"><p class="placeholder">加载服务与进程…</p></div>';
+    fetchProcOnce();
+    procTimer = setInterval(fetchProcOnce, 5000);
+  }
+  function bindProc() {
+    $('#content').addEventListener('click', function (e) {
+      const b = e.target.closest('[data-applog]'); if (!b) return;
+      viewAppStdout(b.dataset.applog, b);
+    });
   }
 
   /* ---------------- 2c. 网络管理页（meow_netmgrd 期2 面板侧） ----------------
@@ -586,24 +1100,24 @@
     return h;
   }
 
-  function netUnavailable(msg) {
-    stopNet();
-    const m = msg || 'meow_netmgrd 服务未运行或 IPC 不可达。';
-    $('#content').innerHTML = '<div class="page" id="net-page">' +
-      '<div class="card"><h3 class="card-title">网络管理</h3>' +
-      '<div class="empty">网络管理服务不可用</div>' +
-      '<p class="muted">' + esc(m) + '</p>' +
-      '<p class="muted">面板其它页不受影响；恢复 meow_netmgrd 后点击刷新重试。</p>' +
-      '<div class="field-row"><button class="btn" id="net-retry">重试</button></div>' +
-      '</div></div>';
+  // 网络状态（/api/net/status）瞬态失败 → 仅顶部内联错误条，不整页踢「不可用」占位；保留上次成功内容，5s 自动重试。
+  function netBannerErr(msg) {
+    const nb = $('#net-banner');
+    if (!nb) return;
+    nb.innerHTML = '<span class="ico">⚠️</span><span>网络状态获取失败：' + esc(msg) + '（保留上次内容，5 秒后自动重试）</span>' +
+      '<button class="btn" id="net-banner-retry">重试</button>';
+    nb.hidden = false;
   }
 
+  let netLoaded = false;   // 是否已成功加载过一次网络状态（用于「首次失败只显示横幅 + 占位」语义）
   async function fetchNetOnce() {
     if (state.route !== 'net') return;
     const stEl = $('#net-status'), cbEl = $('#net-conns-body'), dbEl = $('#net-dns-body');
     let st, cn, dn;
     try { st = await api('GET', '/api/net/status'); }
-    catch (e) { netUnavailable(errText(e)); return; }
+    catch (e) { netBannerErr(errText(e)); return; }
+    netLoaded = true;
+    const nb = $('#net-banner'); if (nb) { nb.hidden = true; nb.innerHTML = ''; }
     try { cn = await api('GET', '/api/net/conns' + (netEntityFilter ? '?entity=' + encodeURIComponent(netEntityFilter) : '')); }
     catch (e) { cn = null; }
     try { dn = await api('GET', '/api/net/dns'); }
@@ -642,8 +1156,10 @@
   async function renderNet() {
     stopNet();
     netEntityFilter = '';
+    netLoaded = false;
     $('#content').innerHTML =
       '<div class="page" id="net-page">' +
+      '<div id="net-banner" class="page-banner" hidden></div>' +
       '<div id="net-status"><p class="placeholder">加载网络状态…</p></div>' +
       '<div class="card"><h3 class="card-title">每实体连接表</h3>' +
       '<div class="field-row" style="margin-bottom:12px">' +
@@ -658,7 +1174,7 @@
       '<div class="field-row" style="margin-bottom:12px"><button class="btn" id="net-log-refresh">刷新</button></div>' +
       '<div id="net-log-body"><p class="placeholder">加载日志…</p></div></div>' +
       '</div>';
-    netTimer = setInterval(fetchNetOnce, 5000);   // status 失败时 netUnavailable 会 stopNet() 清掉
+    netTimer = setInterval(fetchNetOnce, 5000);   // status 仅瞬态横幅，不停止轮询
     fetchNetOnce();      // 填充 status + conns + dns
     fetchNetLog();
   }
@@ -673,7 +1189,7 @@
     $('#content').addEventListener('click', async function (e) {
       if (e.target.closest('#net-conns-refresh')) { fetchNetConns(); return; }
       if (e.target.closest('#net-log-refresh')) { fetchNetLog(); return; }
-      if (e.target.closest('#net-retry')) { renderNet(); return; }
+      if (e.target.closest('#net-banner-retry') || e.target.closest('#net-retry')) { fetchNetOnce(); return; }
       const flush = e.target.closest('#net-dns-flush');
       if (flush) {
         flush.disabled = true;
@@ -1046,6 +1562,9 @@
       '<button class="seg-btn" data-mode="light">浅色</button>' +
       '<button class="seg-btn" data-mode="dark">深色</button></div>' +
       '<p class="muted" style="margin-top:6px">跟随系统 = 设备 display.theme（当前：' + esc(devThemeLabel()) + '）；跟随浏览器 = prefers-color-scheme，随浏览器日/夜自动切换。</p></div></div>';
+    // 面板 PIN（访问级鉴权）：显示状态 + 修改/清空控件（走 /api/auth/* 校验旧 PIN + PUT /api/settings/panel.pin）
+    h += '<div class="card" id="pin-card"><h3 class="card-title">面板 PIN（访问鉴权）</h3>' +
+      '<div id="pin-status"><p class="muted">查询鉴权状态…</p></div></div>';
     // 面板鉴权（可选防护）单独一卡
     const authItems = items.filter(x => x.key === 'panel.auth_enabled' || x.key === 'panel.auth_pass');
     if (authItems.length) {
@@ -1072,6 +1591,89 @@
     $('#content').innerHTML = h;
     applyTheme();   // 同步「主题」卡 seg 选中态（applyTheme 按 id 查询，不存在时为空操作）
     loadFonts();
+    loadPinStatus();
+  }
+  async function loadPinStatus() {
+    const box = $('#pin-status');
+    if (!box) return;
+    let st = null;
+    try { st = await api('GET', '/api/auth/status'); } catch (e) { box.innerHTML = '<p class="muted">无法查询鉴权状态：' + esc(errText(e)) + '</p>'; return; }
+    let txt, cls;
+    if (st.locked) { txt = '锁定中（' + Math.ceil((st.lock_remaining_ms || 0) / 1000) + ' 秒后可重试）'; cls = 'locked'; }
+    else if (st.pin_set) { txt = '已设置'; cls = 'set'; }
+    else if (st.legacy) { txt = '未设（旧密码屏障生效，建议改设为 PIN）'; cls = 'unset'; }
+    else { txt = '未设置（当前访问面板无需 PIN）'; cls = 'unset'; }
+    const canEdit = st.pin_set && !st.locked;
+    let h = '<div class="pin-status"><span class="dot ' + cls + '"></span><strong>' + esc(txt) + '</strong>' +
+      (st.session ? ' · <span class="muted">当前会话有效</span>' : ' · <span class="muted">未登录</span>') + '</div>';
+    h += '<div class="field-row" style="margin-top:8px">' +
+      '<button class="btn" id="pin-change" ' + (canEdit ? '' : 'disabled') + '>修改 PIN</button>' +
+      '<button class="btn btn-danger" id="pin-clear" ' + (canEdit ? '' : 'disabled') + '>清空 PIN</button>' +
+      (st.locked ? '<span class="muted">锁定期间不可修改/清空</span>' : '<span class="muted">修改/清空需先验证当前 PIN</span>') +
+      '</div>';
+    h += '<p class="muted" style="margin-top:6px">4 位数字 PIN，纯加盐哈希存储（不落明文）；未设 PIN 时写端点一律拒绝。</p>';
+    box.innerHTML = h;
+  }
+  function pinEditDlg(mode) {   // 返回 {old, n1}（n1=null 表示清空）或 null（取消）
+    return new Promise(function (resolve) {
+      const t = $('#pindlg-title'), b = $('#pindlg-body');
+      const oldIn = $('#pindlg-old'), n1 = $('#pindlg-new'), n2 = $('#pindlg-new2');
+      const err = $('#pindlg-err');
+      if (mode === 'change') {
+        t.textContent = '修改 PIN';
+        b.textContent = '请输入当前 PIN 与新 PIN（4 位数字）。';
+        oldIn.hidden = false; n1.hidden = false; n2.hidden = false;
+        n1.placeholder = '新 4 位 PIN'; n2.placeholder = '再次输入新 PIN';
+      } else {
+        t.textContent = '清空 PIN';
+        b.textContent = '清空后访问面板将不再要求 PIN。请输入当前 PIN 确认。';
+        oldIn.hidden = false; n1.hidden = true; n2.hidden = true;
+      }
+      err.hidden = true; oldIn.value = ''; n1.value = ''; n2.value = '';
+      oldIn.focus();
+      const scrim = $('#pindlg'); scrim.hidden = false;
+      const ok = $('#pindlg-ok'), cancel = $('#pindlg-cancel');
+      const done = function (v) { scrim.hidden = true; ok.onclick = cancel.onclick = scrim.onclick = null; resolve(v); };
+      ok.onclick = function () {
+        const old = oldIn.value.trim();
+        if (!old) { err.textContent = '请输入当前 PIN'; err.hidden = false; return; }
+        if (mode === 'change') {
+          const np = n1.value.trim();
+          if (!/^[0-9]{4}$/.test(np)) { err.textContent = '新 PIN 必须为 4 位数字'; err.hidden = false; return; }
+          if (np !== n2.value.trim()) { err.textContent = '两次输入的新 PIN 不一致'; err.hidden = false; return; }
+          done({ old: old, n1: np });
+        } else done({ old: old, n1: null });
+      };
+      cancel.onclick = function () { done(null); };
+      scrim.onclick = function (e) { if (e.target === scrim) done(null); };
+    });
+  }
+  async function pinEdit(mode) {
+    const v = await pinEditDlg(mode);
+    if (!v) return;
+    try { await api('POST', '/api/auth/login', { pin: v.old }); }   // 先验证旧 PIN（客户端复核，后端改 PIN 本身不需旧值）
+    catch (e2) {
+      if (e2.code === 'LOCKED' || e2.status === 429) toast('错误次数过多，已锁定，请稍后重试（锁定 5 分钟）');
+      else if (e2.status === 401) toast('当前 PIN 验证失败');
+      else toast('验证失败：' + errText(e2));
+      loadPinStatus(); return;
+    }
+    try {
+      await api('PUT', '/api/settings/panel.pin', { value: (v.n1 !== null ? v.n1 : '') });
+      toast(mode === 'change' ? 'PIN 已修改' : 'PIN 已清空');
+      loadPinStatus();
+    } catch (e3) { toast('操作失败：' + errText(e3)); }
+  }
+  function bindPin() {
+    const c = $('#content');
+    c.addEventListener('click', function (e) {
+      if (e.target.closest('#pin-change')) { pinEdit('change'); return; }
+      if (e.target.closest('#pin-clear')) { pinEdit('clear'); return; }
+    });
+    ['#pindlg-old', '#pindlg-new', '#pindlg-new2'].forEach(function (sel) {
+      const el = $(sel);
+      if (el) el.addEventListener('input', function () { el.value = el.value.replace(/[^0-9]/g, '').slice(0, 4); });
+    });
   }
   async function loadFonts() {
     const box = $('#font-list'); if (!box) return;
@@ -1188,17 +1790,35 @@
   /* ---------------- 7. 系统信息 / OTA 页 ---------------- */
   async function renderSystem() {
     $('#content').innerHTML = '<div class="page" id="system-page"><p class="placeholder">加载系统信息…</p></div>';
-    let d;
+    let d, pw = null;
     try { d = await api('GET', '/api/system'); }
     catch (e) { if (state.route === 'system') $('#content').innerHTML = emptyState('加载失败：' + errText(e), e.code); return; }
+    try { pw = await api('GET', '/api/power'); } catch (e) { pw = null; }
     if (state.route !== 'system') return;
     const net = d.network || {}; const wf = net.wifi || {}; const bt = net.bluetooth || {}; const ota = d.ota || {};
+    const boot = d.boot || {};
+    const curMode = boot.mode || boot.current || null;      // 后端若暴露 /tmp/meow_boot_mode → boot.mode/current
+    const bootDef = boot.default || '—';
+    const mism = curMode && boot.default && curMode !== boot.default;
+    const batt = (pw && pw.battery) || {};
+    const charging = (batt.state === 'Charging' || batt.state === 'Full');
+    let modeHtml = mism
+      ? '<span style="color:var(--error);font-weight:600">' + esc(curMode) + '</span> <span class="muted">（与默认启动不一致）</span>'
+      : (curMode ? esc(curMode) : '—');
+    let sysRows = row('MeowOS 版本', esc(d.version || '—')) + row('内核', esc(d.kernel || '—')) + row('架构', esc(d.arch || '—')) +
+      row('主机名', esc(d.hostname || '—')) + row('运行时间', fmtUptime(d.uptime_sec));
+    if (pw && pw.battery) {
+      sysRows += row('电池', '<span class="home-chip ' + (charging ? 'ok' : 'mut') + '">' + esc(batt.state || '—') + '</span> ' +
+        (batt.pct != null ? batt.pct + ' %' : '—') +
+        (batt.mv != null ? ' · ' + (batt.mv / 1000).toFixed(2) + ' V' : '') +
+        (batt.health ? ' · ' + esc(batt.health) : ''));
+    }
+    sysRows += row('当前运行模式', modeHtml);
+    sysRows += row('默认启动', esc(bootDef));
+    sysRows += row('重启原因', esc(boot.reboot_reason || d.reboot_reason || '—'));
+    sysRows += row('升级状态', esc(boot.upgrade_status || d.upgrade_status || '—'));
     let h = '<div class="page" id="system-page">';
-    h += '<div class="card"><h3 class="card-title">系统信息</h3><table class="table"><tbody>' +
-      row('MeowOS 版本', esc(d.version || '—')) + row('内核', esc(d.kernel || '—')) + row('架构', esc(d.arch || '—')) +
-      row('主机名', esc(d.hostname || '—')) + row('运行时间', fmtUptime(d.uptime_sec)) +
-      row('默认启动', esc((d.boot && d.boot.default) || '—')) +
-      '</tbody></table></div>';
+    h += '<div class="card"><h3 class="card-title">系统信息</h3><table class="table"><tbody>' + sysRows + '</tbody></table></div>';
     h += '<div class="card"><h3 class="card-title">网络</h3><table class="table"><tbody>' +
       row('WiFi', wf.connected ? esc(wf.ssid || '已连接') + ' · ' + esc(wf.ip || '—') + (wf.rssi != null ? ' · ' + wf.rssi + 'dBm' : '') : '未连接') +
       row('蓝牙', bt.available ? ((bt.powered ? '已开启' : '已关闭') + (bt.connected ? ' · 已连接' : '')) : '无蓝牙') +
@@ -1509,6 +2129,7 @@
 
   /* ---------------- 路由 ---------------- */
   const ROUTES = {
+    home: { title: '首页仪表盘', render: renderHome, bind: bindHome },
     perf: { title: '实时性能', render: renderPerf, bind: null },
     bright: { title: '亮度 · 音量', render: renderBright, bind: null },
     audio: { title: '音频状态', render: renderAudio, bind: null },
@@ -1521,7 +2142,9 @@
     screen: { title: '实时屏幕', render: renderScreen, bind: bindScreen },
     system: { title: '系统信息 / 升级', render: renderSystem, bind: bindSystem },
     logs: { title: '系统日志', render: renderLogs, bind: bindLogs },
-    notif: { title: '通知中心', render: renderNotif, bind: bindNotif }
+    notif: { title: '通知中心', render: renderNotif, bind: bindNotif },
+    power: { title: '电源 / 功耗', render: renderPower, bind: null },
+    proc: { title: '进程 / 服务', render: renderProc, bind: bindProc }
   };
   // 一次性绑定（各菜单 click / 侧栏）；页面内交互用 #content 事件委托（已各自绑定）
   function bindNav() {
@@ -1530,13 +2153,16 @@
   }
   function route() {
     if (state.unauth) { showLogin(authMode); return; }   // 未认证 → 登录页（保持当前设置/登录态）
-    const id = (location.hash || '#/perf').replace('#/', '').split('?')[0] || 'perf';
-    const r = ROUTES[id] || ROUTES.perf;
+    const id = (location.hash || '#/home').replace('#/', '').split('?')[0] || 'home';
+    const r = ROUTES[id] || ROUTES.home;
     state.route = id;
     stopPerf();
     stopAudio();
     stopNet();
     stopScreenPoll();
+    stopHome();
+    stopPower();
+    stopProc();
     $$('.nav-item').forEach(b => b.classList.toggle('active', b.dataset.route === id));
     $('#page-title').textContent = r.title;
     r.render();
@@ -1555,7 +2181,7 @@
     bindNav();
     bindThemeUi();
     bindSlider();
-    bindFiles(); bindApps(); bindFonts(); bindSettings(); bindRemote(); bindScreen(); bindSystem(); bindLogs(); bindNotif(); bindNet();
+    bindFiles(); bindApps(); bindFonts(); bindSettings(); bindRemote(); bindScreen(); bindSystem(); bindLogs(); bindNotif(); bindNet(); bindHome(); bindProc(); bindPin();
     bindLogin();
     bindPwDlg();
     // 首次进入：访问级 PIN 鉴权——已登录直接进；未设 PIN（且无旧密码）→ 首次设置流程；已设 → 登录