diff --git a/scripts/sc2.py b/scripts/sc2.py
new file mode 100644
index 00000000..fec840ab
--- /dev/null
+++ b/scripts/sc2.py
@@ -0,0 +1,8 @@
+import ast, sys
+p = '/home/hmo/MoFin/server.py'
+try:
+    ast.parse(open(p).read())
+    print('SYNTAX OK:', p)
+except SyntaxError as e:
+    print('SYNTAX ERROR:', e)
+    sys.exit(1)
\ No newline at end of file
diff --git a/server.py b/server.py
index baa15f4a..99b2648b 100644
--- a/server.py
+++ b/server.py
@@ -1340,6 +1340,72 @@ def api_xmpp_keys():
         return jsonify({"error": "xmpp_logger not available"}), 500
 
 
+# ── 开发原则 Tab 端点（仿 AgentsMeeting: G规范/K测试/H需求）──
+
+DOCS_DIR = Path(__file__).resolve().parent / "docs"
+HEALTH_REPORT = Path(__file__).resolve().parent / "gateway" / "temp" / "last_health_check.json"
+
+
+@app.route("/api/spec")
+def api_spec():
+    """G 规范：docs/dev-spec.md 内容"""
+    f = DOCS_DIR / "dev-spec.md"
+    if not f.exists():
+        return jsonify({"ok": False, "error": "dev-spec.md not found"})
+    return jsonify({"ok": True, "content": f.read_text(encoding="utf-8")})
+
+
+@app.route("/api/spec/history")
+def api_spec_history():
+    """dev-spec.md 的 git 历史"""
+    import subprocess
+    try:
+        r = subprocess.run(
+            ["git", "log", "--oneline", "-20", "--", "docs/dev-spec.md"],
+            capture_output=True, timeout=10, text=True,
+            cwd=str(Path(__file__).resolve().parent))
+        lines = [l for l in r.stdout.splitlines() if l.strip()]
+        return jsonify({"ok": True, "log": lines, "count": len(lines)})
+    except Exception as e:
+        return jsonify({"ok": False, "error": str(e)[:100]})
+
+
+@app.route("/api/tests")
+def api_tests():
+    """K 测试：agents_health_check 服务检查结果，渲染为 pass/fail 测试报告"""
+    if not HEALTH_REPORT.exists():
+        return jsonify({"ok": False, "error": "health report not found (cron not run yet)"})
+    try:
+        rep = json.loads(HEALTH_REPORT.read_text(encoding="utf-8"))
+    except Exception as e:
+        return jsonify({"ok": False, "error": str(e)[:100]})
+    tests = []
+    for svc in rep.get("services", []):
+        ok = svc.get("health", {}).get("ok", False)
+        tests.append({
+            "name": f"{svc.get('label', svc.get('name'))} ({svc.get('name')})",
+            "ok": ok,
+            "expected": False,
+            "detail": svc.get("detail", ""),
+        })
+    passed = sum(1 for t in tests if t["ok"])
+    return jsonify({
+        "ok": True,
+        "tests": tests,
+        "summary": {"total": len(tests), "passed": passed, "failed": len(tests) - passed},
+        "time": rep.get("generated_at", ""),
+    })
+
+
+@app.route("/api/prd")
+def api_prd():
+    """H 需求：docs/prd.md（不存在则返回未建立）"""
+    f = DOCS_DIR / "prd.md"
+    if not f.exists():
+        return jsonify({"ok": False, "error": "prd.md 尚未建立"})
+    return jsonify({"ok": True, "content": f.read_text(encoding="utf-8")})
+
+
 # 注册提示词管理路由
 register_routes(app)
 
diff --git a/static/index.html b/static/index.html
index 4c275241..fba53f7c 100644
--- a/static/index.html
+++ b/static/index.html
@@ -12,6 +12,8 @@
 body { background: #0f0f13; color: #e2e8f0; }
 .tab-btn { transition: all 0.15s; }
 .tab-btn.active { background: #1e293b; color: #60a5fa; border-color: #60a5fa; }
+.princ-btn { transition: all 0.15s; color: #8b949e; }
+.princ-btn.active { background: #1e293b; color: #60a5fa; }
 .card { background: #1a1a24; border: 1px solid #2a2a3a; border-radius: 12px; }
 .badge-up { color: #22c55e; }
 .badge-down { color: #ef4444; }
@@ -63,6 +65,7 @@ body { background: #0f0f13; color: #e2e8f0; }
     <button class="tab-btn px-4 py-2 text-sm rounded-lg" data-tab="market">🌐 市场</button>
     <button class="tab-btn px-4 py-2 text-sm rounded-lg" data-tab="signals">🔍 信号</button>
     <button class="tab-btn px-4 py-2 text-sm rounded-lg" data-tab="health">🏥 健康</button>
+    <button class="tab-btn px-4 py-2 text-sm rounded-lg" data-tab="principles">📐 开发原则</button>
     <button class="tab-btn px-4 py-2 text-sm rounded-lg blink-tab" data-tab="watch" style="color:#f97316;border-color:#f97316">👁️ 盯盘</button>
     <a href="/upload" class="tab-btn px-4 py-2 text-sm rounded-lg" style="text-decoration:none;color:#fbbf24;border-color:#fbbf24">📸 上传</a>
   </div>
@@ -78,6 +81,18 @@ body { background: #0f0f13; color: #e2e8f0; }
   <div id="tab-market" class="tab-content hidden"></div>
   <div id="tab-signals" class="tab-content hidden"></div>
   <div id="tab-health" class="tab-content hidden"></div>
+  <div id="tab-principles" class="tab-content hidden">
+    <div class="flex gap-1 mb-4 bg-slate-900/50 rounded-xl p-1 border border-slate-800/50" id="princBar">
+      <button class="princ-btn active px-4 py-1.5 text-sm rounded-lg" data-princ="spec">G 规范</button>
+      <button class="princ-btn px-4 py-1.5 text-sm rounded-lg" data-princ="tests">K 测试</button>
+      <button class="princ-btn px-4 py-1.5 text-sm rounded-lg" data-princ="health">F 健康</button>
+      <button class="princ-btn px-4 py-1.5 text-sm rounded-lg" data-princ="prd">H 需求</button>
+    </div>
+    <div id="princ-spec" class="princ-pane"></div>
+    <div id="princ-tests" class="princ-pane hidden"></div>
+    <div id="princ-health" class="princ-pane hidden"></div>
+    <div id="princ-prd" class="princ-pane hidden"></div>
+  </div>
   <div id="tab-watch" class="tab-content hidden">
     <div class="flex items-center justify-between mb-4">
       <h2 class="text-lg font-semibold text-slate-200">👁️ 盯盘 · 有效操作建议</h2>
@@ -204,6 +219,7 @@ function renderTab(name) {
   else if (name === 'market') renderMarket();
   else if (name === 'signals') renderSignals();
   else if (name === 'health') renderHealth();
+  else if (name === 'principles') renderPrinciples();
   else if (name === 'watch') renderWatch();
 }
 
@@ -1580,6 +1596,13 @@ async function renderHealth() {
       html += '</div>';
       html += '</div>';
     }
+
+    // ── 原有健康监控（功能树/Cron/数据实体/数据流）—— 恢复自 mofin_health.html ──
+    html += '<div class="card p-4 mt-4">';
+    html += '<div class="text-sm font-semibold text-slate-300 mb-2">📊 系统健康监控（功能树 · Cron · 数据实体 · 数据流）</div>';
+    html += '<iframe src="/mofin_health.html" style="width:100%;height:80vh;border:none;background:#0d1117;border-radius:8px;"></iframe>';
+    html += '</div>';
+
     el.innerHTML = html;
     el.dataset.rendered = '1';  // 标记已首渲
   } catch(e) {
@@ -1748,6 +1771,159 @@ async function renderWatch() {
     watchTimer = setInterval(renderWatch, 60000);
   }
 }
+
+// ── 开发原则 Tab（仿 AgentsMeeting: G规范/K测试/F健康/H需求）──
+let _princLoaded = {};
+function renderPrinciples() {
+  // 绑定子tab按钮
+  document.querySelectorAll('.princ-btn').forEach(btn => {
+    btn.onclick = () => {
+      document.querySelectorAll('.princ-btn').forEach(b => b.classList.remove('active'));
+      document.querySelectorAll('.princ-pane').forEach(p => p.classList.add('hidden'));
+      btn.classList.add('active');
+      const id = btn.dataset.princ;
+      document.getElementById('princ-' + id).classList.remove('hidden');
+      _loadPrinc(id);
+    };
+  });
+  // 默认加载当前激活的子tab
+  const active = document.querySelector('.princ-btn.active');
+  _loadPrinc(active ? active.dataset.princ : 'spec');
+}
+
+function _loadPrinc(id) {
+  if (id === 'spec') return _renderPrincSpec();
+  if (id === 'tests') return _renderPrincTests();
+  if (id === 'health') return _renderPrincHealth();
+  if (id === 'prd') return _renderPrincPrd();
+}
+
+async function _renderPrincSpec() {
+  const el = document.getElementById('princ-spec');
+  el.innerHTML = '<div class="text-slate-500 py-4">加载中...</div>';
+  try {
+    const d = await fetchJSON('/api/spec');
+    if (!d.ok) { el.innerHTML = '<div class="text-red-400 py-4">' + (d.error || '加载失败') + '</div>'; return; }
+    let h = '<div class="card p-5">' + mdRender(d.content) + '</div>';
+    try {
+      const dh = await fetchJSON('/api/spec/history');
+      if (dh.ok && dh.log && dh.log.length) {
+        h += '<div class="card p-4 mt-3"><div class="text-sm font-semibold text-slate-300 cursor-pointer" onclick="var e=document.getElementById(\'specHist\');e.classList.toggle(\'hidden\')">历史版本 <span class="text-slate-500 text-xs">(' + dh.count + ' commits)</span></div><div id="specHist" class="hidden mt-2 text-xs text-slate-500 font-mono space-y-1">';
+        dh.log.forEach(l => { h += '<div>' + l.replace(/</g, '&lt;') + '</div>'; });
+        h += '</div></div>';
+      }
+    } catch(e) {}
+    el.innerHTML = h;
+  } catch(e) { el.innerHTML = '<div class="text-red-400 py-4">加载失败: ' + e.message + '</div>'; }
+}
+
+async function _renderPrincTests() {
+  const el = document.getElementById('princ-tests');
+  el.innerHTML = '<div class="text-slate-500 py-4">加载中...</div>';
+  try {
+    const d = await fetchJSON('/api/tests');
+    if (!d.ok) { el.innerHTML = '<div class="text-red-400 py-4">' + (d.error || '加载失败') + '</div>'; return; }
+    const s = d.summary || {};
+    let h = '<div class="grid grid-cols-3 gap-3 mb-4">';
+    h += '<div class="card p-3 text-center"><div class="text-2xl font-bold text-white font-mono">' + (s.total||0) + '</div><div class="text-xs text-slate-500">Total</div></div>';
+    h += '<div class="card p-3 text-center"><div class="text-2xl font-bold text-[#3fb950] font-mono">' + (s.passed||0) + '</div><div class="text-xs text-slate-500">Passed</div></div>';
+    h += '<div class="card p-3 text-center"><div class="text-2xl font-bold text-[#f85149] font-mono">' + (s.failed||0) + '</div><div class="text-xs text-slate-500">Failed</div></div>';
+    h += '</div>';
+    const fails = (d.tests||[]).filter(t => !t.ok);
+    if (fails.length) {
+      h += '<div class="text-sm font-semibold text-[#f85149] mb-2">Failed (' + fails.length + ')</div>';
+      fails.forEach(t => {
+        h += '<div class="card p-3 mb-2" style="border-color:#f85149"><span class="text-xs px-1.5 py-0.5 rounded bg-[#f85149] text-white font-bold">FAIL</span> <strong class="text-sm">' + t.name.replace(/</g,'&lt;') + '</strong><div class="text-xs text-slate-500 mt-1">' + (t.detail||'').replace(/</g,'&lt;') + '</div></div>';
+      });
+    }
+    const passes = (d.tests||[]).filter(t => t.ok);
+    h += '<div class="text-sm font-semibold text-[#3fb950] mb-2 mt-3">Passed (' + passes.length + ')</div>';
+    passes.forEach(t => {
+      h += '<div class="card p-2 mb-1"><span class="text-xs px-1.5 py-0.5 rounded bg-[#3fb950] text-white font-bold">PASS</span> <span class="text-sm">' + t.name.replace(/</g,'&lt;') + '</span> <span class="text-xs text-slate-500">' + (t.detail||'').replace(/</g,'&lt;') + '</span></div>';
+    });
+    h += '<div class="text-xs text-slate-500 mt-3">数据源: agents_health_check (cron */5min) · 最后运行: ' + (d.time||'?') + '</div>';
+    el.innerHTML = h;
+  } catch(e) { el.innerHTML = '<div class="text-red-400 py-4">加载失败: ' + e.message + '</div>'; }
+}
+
+function _renderPrincHealth() {
+  const el = document.getElementById('princ-health');
+  if (_princLoaded.health) return;
+  el.innerHTML = '<div class="card p-4"><div class="text-sm text-slate-400 mb-2">完整健康监控与 🏥 健康 Tab 同源。快捷入口：<a href="javascript:switchTab(\'health\')" class="text-[#58a6ff]">🏥 健康 Tab</a></div>' +
+    '<iframe src="/mofin_health.html" style="width:100%;height:80vh;border:none;background:#0d1117;border-radius:8px;"></iframe></div>';
+  _princLoaded.health = true;
+}
+
+async function _renderPrincPrd() {
+  const el = document.getElementById('princ-prd');
+  el.innerHTML = '<div class="text-slate-500 py-4">加载中...</div>';
+  try {
+    const d = await fetchJSON('/api/prd');
+    if (!d.ok) { el.innerHTML = '<div class="card p-6 text-center text-slate-500">' + (d.error || 'prd.md 尚未建立') + '</div>'; return; }
+    el.innerHTML = '<div class="card p-5">' + mdRender(d.content) + '</div>';
+  } catch(e) { el.innerHTML = '<div class="text-red-400 py-4">加载失败: ' + e.message + '</div>'; }
+}
+
+// markdown 渲染（移植自 AgentsMeeting dashboard）
+function mdRender(md) {
+  if (!md) return '';
+  let h = '';
+  const blocks = md.split('\n\n');
+  for (const raw of blocks) {
+    const block = raw.trim();
+    if (!block) continue;
+    if (block.startsWith('```')) {
+      const code = block.replace(/^```[\s\S]*?\n/, '').replace(/```$/, '').trim();
+      h += '<pre class="font-mono text-xs" style="background:#0d1117;padding:12px;border-radius:6px;overflow-x:auto;border:1px solid #30363d">' + code.replace(/</g,'&lt;') + '</pre>';
+      continue;
+    }
+    if (block.startsWith('#### ')) { h += '<h4 class="text-[#58a6ff] font-semibold mt-4 mb-1 text-sm">' + inMd(block.slice(5).replace(/</g,'&lt;')) + '</h4>'; continue; }
+    if (block.startsWith('### ')) { h += '<h3 class="text-[#58a6ff] font-semibold mt-4 mb-1">' + inMd(block.slice(4).replace(/</g,'&lt;')) + '</h3>'; continue; }
+    if (block.startsWith('## ')) { h += '<h2 class="text-[#58a6ff] font-semibold mt-5 mb-2 text-lg border-b border-slate-800 pb-1">' + inMd(block.slice(3).replace(/</g,'&lt;')) + '</h2>'; continue; }
+    if (block.startsWith('# ')) { h += '<h1 class="text-[#58a6ff] font-bold mt-5 mb-2 text-xl">' + inMd(block.slice(2).replace(/</g,'&lt;')) + '</h1>'; continue; }
+    if (block.startsWith('> ')) { h += '<blockquote class="border-l-2 border-[#58a6ff] pl-3 py-1 my-2 text-slate-500 text-sm">' + inMd(block.slice(2).replace(/</g,'&lt;')) + '</blockquote>'; continue; }
+    if (block.startsWith('---') || block.startsWith('***')) { h += '<hr class="border-slate-800 my-3">'; continue; }
+    if (block.startsWith('- ') || block.startsWith('* ')) {
+      const items = block.split('\n');
+      h += '<ul class="list-disc pl-5 my-1 text-sm space-y-0.5">';
+      items.forEach(li => { const t = li.replace(/^[-*]\s*/, '').trim(); if (t) h += '<li>' + inMd(t.replace(/</g,'&lt;')) + '</li>'; });
+      h += '</ul>';
+      continue;
+    }
+    if (/^\d+\.\s/.test(block)) {
+      const items = block.split('\n');
+      h += '<ol class="list-decimal pl-5 my-1 text-sm space-y-0.5">';
+      items.forEach(li => { const t = li.replace(/^\d+\.\s*/, '').trim(); if (t) h += '<li>' + inMd(t.replace(/</g,'&lt;')) + '</li>'; });
+      h += '</ol>';
+      continue;
+    }
+    if (block.indexOf('|') >= 0 && block.indexOf('\n|') >= 0) {
+      const rows = block.split('\n');
+      let inTable = false;
+      rows.forEach(row => {
+        if (row.indexOf('---') >= 0) return;
+        const cells = row.split('|').filter(c => c.trim());
+        if (cells.length < 2) return;
+        if (!inTable) {
+          h += '<table class="my-2 text-xs w-full"><tr>' + cells.map(c => '<th class="px-2 py-1 border border-slate-700 text-slate-500 bg-slate-900">' + inMd(c.trim().replace(/</g,'&lt;')) + '</th>').join('') + '</tr>';
+          inTable = true;
+        } else {
+          h += '<tr>' + cells.map(c => '<td class="px-2 py-1 border border-slate-800">' + inMd(c.trim().replace(/</g,'&lt;')) + '</td>').join('') + '</tr>';
+        }
+      });
+      if (inTable) h += '</table>';
+      continue;
+    }
+    h += '<p class="text-sm my-1.5 leading-relaxed text-slate-300">' + inMd(block.replace(/</g,'&lt;')) + '</p>';
+  }
+  return h;
+}
+function inMd(t) {
+  return t.replace(/\*\*([^*]+)\*\*/g, '<strong>$1</strong>')
+          .replace(/\*([^*]+)\*/g, '<em>$1</em>')
+          .replace(/`([^`]+)`/g, '<code class="bg-slate-900 px-1 rounded text-xs font-mono">$1</code>')
+          .replace(/\[([^\]]+)\]\(([^)]+)\)/g, '<a href="$2" class="text-[#58a6ff]" target="_blank">$1</a>');
+}
 </script>
 </body>
 </html>
\ No newline at end of file