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

backend/python/app/api/im_bot_user.py

@@ -99,13 +99,44 @@ def _wechat_mask(row) -> dict:
 # ============================================================
 # 七虎AI 大脑（复用 channels 的真实 LLM 调用）
 # ============================================================
-def _qihua_reply(text: str) -> str:
+def _recent_history(user_id: str, limit: int = 6) -> str:
+    """拼接最近若干轮对话，作为多轮上下文。"""
+    db = None
+    try:
+        db = SessionLocal()
+        rows = _execute_raw(db, text(
+            "SELECT role, content FROM im_bot_chat_log "
+            "WHERE user_id=:uid ORDER BY id DESC LIMIT :lim"
+        ), {"uid": user_id, "lim": limit})
+        pairs = []
+        for r in reversed(rows):
+            dd = _row_to_dict(r)
+            role = "用户" if dd["role"] == "user" else "七虎AI"
+            pairs.append(f"{role}：{dd['content']}")
+        return "\n".join(pairs)
+    except Exception:
+        return ""
+    finally:
+        if db:
+            db.close()
+
+
+def _qihua_reply(text: str, user_id: str = None) -> str:
     """调用七虎AI 生成回复。自行创建 DB 会话，避免上层线程无可用 session。"""
+    prompt = text
+    if user_id:
+        hist = _recent_history(user_id)
+        if hist:
+            prompt = (
+                "以下是你与该用户最近的对话历史，请结合上下文作答：\n"
+                f"{hist}\n\n"
+                f"用户当前问题：{text}"
+            )
     db = None
     try:
         from app.api.channels import _call_real_llm
         db = SessionLocal()
-        return _call_real_llm(db, None, text, "个人微信")
+        return _call_real_llm(db, None, prompt, "个人微信")
     except Exception as e:
         return f"（AI 回复生成失败：{e}）"
     finally:
@@ -134,23 +165,29 @@ def _wechat_get_updates(baseurl: str, bot_token: str, cursor: str):
 
 
 def _wechat_send_message(baseurl: str, bot_token: str, to_user_id: str, context_token: str, text: str) -> bool:
-    """发送文本回复（必须带 context_token 关联到正确的对话窗口）"""
-    try:
-        resp = requests.post(
-            baseurl.rstrip("/") + "/ilink/bot/sendmessage",
-            headers=_wechat_headers(bot_token),
-            json={"msg": {
+    """发送文本回复（必须带 context_token 关联到正确的对话窗口）。失败重试一次。"""
+    payload = {"msg": {
         "to_user_id": to_user_id,
         "message_type": 2,
         "message_state": 2,
         "context_token": context_token,
         "item_list": [{"type": 1, "text_item": {"text": text}}],
-            }},
+    }}
+    last = False
+    for _ in range(2):
+        try:
+            resp = requests.post(
+                baseurl.rstrip("/") + "/ilink/bot/sendmessage",
+                headers=_wechat_headers(bot_token),
+                json=payload,
                 timeout=20,
             )
-        return resp.ok
+            last = resp.ok
+            if last:
+                return True
         except Exception:
-        return False
+            last = False
+    return last
 
 
 def _wechat_extract_text(msg: dict) -> str:
@@ -158,9 +195,55 @@ def _wechat_extract_text(msg: dict) -> str:
     for it in (msg.get("item_list") or []):
         if it.get("type") == 1 and it.get("text_item", {}).get("text"):
             parts.append(it["text_item"]["text"])
+    if not parts:
+        for k in ("text", "content", "message", "msg"):
+            v = msg.get(k)
+            if isinstance(v, str) and v.strip():
+                parts.append(v)
     return "\n".join(parts)
 
 
+def _wechat_sender_id(m: dict) -> str:
+    """从入站消息中提取发送者 id（兼容多套字段名）。"""
+    for k in ("from_user_id", "from_user_name", "from_username", "user_id",
+             "sender_id", "wxid", "from_wxid", "username"):
+        v = m.get(k)
+        if v:
+            return str(v)
+    return ""
+
+
+def _wechat_context_token(m: dict) -> str:
+    """提取 context_token（回复必须回带，否则不关联到对话窗口）。"""
+    for k in ("context_token", "ctx_token", "conversation_id", "conv_id",
+             "msg_id", "context_id", "session_id"):
+        v = m.get(k)
+        if v:
+            return str(v)
+    return ""
+
+
+def _log_chat(user_id, platform, from_user, context_token, role, content):
+    """持久化 IM Bot 对话历史，便于平台内查阅。"""
+    db = None
+    try:
+        db = SessionLocal()
+        _execute_raw(db, text(
+            "INSERT INTO im_bot_chat_log "
+            "(user_id, platform, from_user, context_token, role, content, created_at) "
+            "VALUES (:uid, :platform, :fu, :ctx, :role, :content, :created)"
+        ), {
+            "uid": user_id, "platform": platform, "fu": from_user,
+            "ctx": context_token, "role": role, "content": content,
+            "created": datetime.now(),
+        })
+    except Exception:
+        pass
+    finally:
+        if db:
+            db.close()
+
+
 # ============================================================
 # 后台接收线程（每用户独立）
 # ============================================================
@@ -183,19 +266,35 @@ def _wechat_receiver_loop(account_id: int):
             bot_token = d["bot_token"]
             baseurl = d.get("baseurl") or ILINK_BASE
             msgs, cursor = _wechat_get_updates(baseurl, bot_token, cursor)
+            owner_uid = d.get("user_id")
             for m in msgs:
-                if m.get("message_type") not in (1, None):
-                    continue  # 只处理用户消息（2=bot 自己发出的）
+                if m.get("message_type") == 2:
+                    continue  # 仅跳过 bot 自己发出的回声，其余（含后续追问）均尝试处理
                 content = _wechat_extract_text(m)
                 if not content:
                     continue
-                reply = _qihua_reply(content)
-                _wechat_send_message(
-                    baseurl, bot_token,
-                    m.get("from_user_id", ""),
-                    m.get("context_token", ""),
-                    reply,
-                )
+                sender = _wechat_sender_id(m)
+                ctx = _wechat_context_token(m)
+                # 诊断：记录原始入站消息，定位字段名 / 第二轮不回复
+                try:
+                    with open("/tmp/wechat_inbound.log", "a", encoding="utf-8") as _f:
+                        _f.write(datetime.now().isoformat() + " sender=" + repr(sender)
+                                 + " ctx=" + repr(ctx) + " raw=" + json.dumps(m, ensure_ascii=False) + "\n")
+                except Exception:
+                    pass
+                # 先生成回复（此时历史尚未包含本条，避免重复）
+                reply = _qihua_reply(content, owner_uid)
+                ok = _wechat_send_message(baseurl, bot_token, sender, ctx, reply)
+                # 持久化对话历史
+                if owner_uid:
+                    _log_chat(owner_uid, "personal_wechat", sender, ctx, "user", content)
+                    _log_chat(owner_uid, "personal_wechat", sender, ctx, "assistant", reply)
+                try:
+                    with open("/tmp/wechat_send.log", "a", encoding="utf-8") as _f:
+                        _f.write(datetime.now().isoformat() + " ok=" + str(ok)
+                                 + " sender=" + repr(sender) + " ctx=" + repr(ctx) + "\n")
+                except Exception:
+                    pass
             time.sleep(1)
         except Exception:
             time.sleep(5)
@@ -354,6 +453,29 @@ async def wechat_disconnect(user: User = Depends(get_current_user)):
 # ============================================================
 # 启动恢复：为所有已连接用户账号拉起接收线程
 # ============================================================
+@router.get("/history")
+async def wechat_history(
+    user: User = Depends(get_current_user),
+    limit: int = Query(200),
+):
+    """查询当前用户通过个人微信与七虎AI 的对话历史"""
+    db = SessionLocal()
+    try:
+        rows = _execute_raw(
+            db,
+            text("SELECT id, role, content, platform, from_user, created_at "
+                 "FROM im_bot_chat_log WHERE user_id=:uid ORDER BY id DESC LIMIT :lim"),
+            {"uid": user.id, "lim": min(int(limit), 500)},
+        )
+        items = [_row_to_dict(r) for r in rows]
+        items.reverse()
+        return {"success": True, "data": {"messages": items, "total": len(items)}}
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+    finally:
+        db.close()
+
+
 def start_all_wechat_receivers():
     """在应用启动时调用，恢复此前已连接用户的个人微信接收线程。"""
     db = SessionLocal()

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;