feat: 个人微信-对话历史持久化+平台内查阅页; 修复第二轮不回复(过滤/字段/重试); 多轮上下文

frontend/src/App.tsx

@@ -23,6 +23,7 @@ import AssetsPage from '@/pages/front/AssetsPage';
 import NovelPreviewPage from '@/pages/front/NovelPreviewPage';
 import EvolutionDashboard from '@/pages/front/EvolutionDashboard';
 import WechatBot from '@/pages/front/WechatBot';
+import WechatHistory from '@/pages/front/WechatHistory';
 
 // Admin Pages
 import AdminDashboard from '@/pages/admin/Dashboard';
@@ -119,6 +120,7 @@ const App: React.FC = () => {
           <Route path="assets/novel/:id" element={<NovelPreviewPage />} />
           <Route path="evolution" element={<EvolutionDashboard />} />
           <Route path="wechat-bot" element={<WechatBot />} />
+          <Route path="wechat-history" element={<WechatHistory />} />
         </Route>
 
         {/* Admin Routes */}

frontend/src/api/index.ts

@@ -1000,4 +1000,5 @@ export const imUserAPI = {
   qrcode: () => post<any>('/im/wechat/qrcode'),
   qrcodeStatus: (qrcode: string) => post<any>(`/im/wechat/qrcode/status?qrcode=${encodeURIComponent(qrcode)}`),
   disconnect: () => post<any>('/im/wechat/disconnect'),
+  history: () => get<any>('/im/wechat/history'),
 };

frontend/src/components/layout/FrontLayout.tsx

@@ -18,6 +18,7 @@ const navGroups = [
     items: [
       { path: '/channels', icon: 'channel', label: '频道管理' },
       { path: '/wechat-bot', icon: 'wechat', label: '微信机器人' },
+      { path: '/wechat-history', icon: 'chat', label: '对话记录' },
     ],
   },
   {

frontend/src/pages/front/WechatHistory.tsx

@@ -0,0 +1,97 @@
+// @ts-nocheck
+import React, { useState, useEffect, useRef, useCallback } from 'react';
+import { imUserAPI } from '@/api';
+
+const WechatHistory: React.FC = () => {
+  const [loading, setLoading] = useState(true);
+  const [messages, setMessages] = useState<any[]>([]);
+  const [toast, setToast] = useState<{ msg: string; type: 'success' | 'error' } | null>(null);
+  const bottomRef = useRef<HTMLDivElement>(null);
+
+  const showToast = (msg: string, type: 'success' | 'error' = 'success') => {
+    setToast({ msg, type });
+    setTimeout(() => setToast(null), 3000);
+  };
+
+  const load = useCallback(async () => {
+    setLoading(true);
+    try {
+      const res = await imUserAPI.history();
+      if ((res as any)?.success && (res as any).data) {
+        setMessages((res as any).data.messages || []);
+      } else {
+        showToast('加载失败', 'error');
+      }
+    } catch (e) {
+      showToast('加载失败', 'error');
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  useEffect(() => { load(); }, [load]);
+  useEffect(() => { bottomRef.current?.scrollIntoView({ behavior: 'smooth' }); }, [messages]);
+
+  const formatTime = (t: string) => (t ? new Date(t).toLocaleString('zh-CN') : '-');
+
+  return (
+    <div style={{ minHeight: '100%', background: '#FFFFFF', color: '#1A1F36', padding: '32px' }}>
+      <div style={{ maxWidth: '860px', margin: '0 auto' }}>
+        {/* Header */}
+        <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '24px' }}>
+          <div>
+            <h1 style={{ fontSize: '24px', fontWeight: 700, margin: 0, color: '#1A1F36' }}>微信对话记录</h1>
+            <p style={{ color: '#6B7280', fontSize: '14px', margin: '6px 0 0 0' }}>
+              你通过个人微信与七虎AI 的对话历史，按时间顺序记录，可随时回看（仅本人可见，按账号隔离）。
+            </p>
+          </div>
+          <button onClick={load} disabled={loading} style={btnStyle}>{loading ? '刷新中…' : '刷新'}</button>
+        </div>
+
+        {/* Toast */}
+        {toast && (
+          <div style={{
+            position: 'fixed', top: '20px', right: '20px', zIndex: 9999,
+            padding: '12px 24px', borderRadius: '8px',
+            background: toast.type === 'success' ? '#10b981' : '#ef4444',
+            color: '#fff', fontSize: '14px', boxShadow: '0 4px 12px rgba(0,0,0,0.15)',
+          }}>{toast.msg}</div>
+        )}
+
+        {/* 记录列表 */}
+        <div style={{ background: '#F8F9FC', borderRadius: '12px', padding: '16px', minHeight: '420px' }}>
+          {messages.length === 0 ? (
+            <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'center', height: '380px', color: '#9CA3AF', fontSize: '14px', textAlign: 'center', padding: '0 24px' }}>
+              {loading ? '加载中…' : '暂无对话记录。请先在「微信机器人」中绑定并发送消息，对话记录会显示在这里。'}
+            </div>
+          ) : (
+            messages.map((m, i) => (
+              <div key={i} style={{ display: 'flex', justifyContent: m.role === 'user' ? 'flex-end' : 'flex-start', marginBottom: '14px' }}>
+                <div style={{ maxWidth: '78%' }}>
+                  <div style={{ fontSize: '11px', color: '#9CA3AF', marginBottom: '4px', textAlign: m.role === 'user' ? 'right' : 'left' }}>
+                    {m.role === 'user' ? '我（微信）' : '七虎AI'} · {formatTime(m.created_at)}
+                  </div>
+                  <div style={{
+                    padding: '10px 14px', borderRadius: '12px', fontSize: '14px', lineHeight: '1.6',
+                    whiteSpace: 'pre-wrap', wordBreak: 'break-word',
+                    background: m.role === 'user' ? '#6C63FF' : '#FFFFFF',
+                    color: m.role === 'user' ? '#fff' : '#1A1F36',
+                    border: m.role === 'user' ? 'none' : '1px solid #E5E7EB',
+                  }}>{m.content}</div>
+                </div>
+              </div>
+            ))
+          )}
+          <div ref={bottomRef} />
+        </div>
+      </div>
+    </div>
+  );
+};
+
+const btnStyle: React.CSSProperties = {
+  padding: '8px 20px', background: '#6C63FF', border: 'none', borderRadius: '6px',
+  color: '#fff', fontSize: '14px', fontWeight: 500, cursor: 'pointer',
+};
+
+export default WechatHistory;