fix: update email_client and smtp_client for new config structure - email_client: use account.imap.server/port/ssl/starttls instead of flat fields - smtp_client: use s.ssl/starttls instead of s.use_ssl/use_starttls - tg_bot: fix _do_send_reply to use find_user_by_chat_id for email_accounts

.gitignore

@@ -1,5 +1,5 @@
 .venv/
 __pycache__/
 *.pyc
-config.yaml
+config.json
 data/

config.example.json

@@ -0,0 +1,32 @@
+{
+  "bot_token": "your_bot_token_here",
+  "polling_interval": 30,
+  "users": [
+    {
+      "chat_id": "your_telegram_chat_id",
+      "ai": {
+        "api_key": "your_deepseek_api_key",
+        "model": "deepseek-v4-flash",
+        "base_url": "https://api.deepseek.com"
+      },
+      "email_accounts": [
+        {
+          "username": "you@126.com",
+          "password": "your_imap_password",
+          "imap": {
+            "server": "imap.126.com",
+            "port": 993,
+            "ssl": true,
+            "starttls": false
+          },
+          "smtp": {
+            "server": "smtp.126.com",
+            "port": 465,
+            "ssl": true,
+            "starttls": false
+          }
+        }
+      ]
+    }
+  ]
+}

config.yaml.example

@@ -1,32 +0,0 @@
-email_accounts:
-  - imap_server: "imap.gmail.com"
-    imap_port: 993
-    username: "your_email@gmail.com"
-    password: "your_app_password"
-    use_ssl: true
-    smtp:
-      server: "smtp.gmail.com"
-      port: 465
-      use_ssl: true
-
-  - imap_server: "imap.126.com"
-    imap_port: 993
-    username: "your_email@126.com"
-    password: "your_auth_code"
-    use_ssl: true
-    smtp:
-      server: "smtp.126.com"
-      port: 465
-      use_ssl: true
-
-ai:
-  api_key: "sk-your_deepseek_api_key"
-  model: "deepseek-chat"
-  base_url: "https://api.deepseek.com"
-
-telegram:
-  bot_token: "1234567890:ABCdefGHIjklmNOPqrstUVwxyz"
-  chat_id: "123456789"
-
-polling:
-  interval_seconds: 60

main.py

@@ -6,12 +6,12 @@ import sys
 import threading
 import time
 from concurrent.futures import ThreadPoolExecutor
-from src.config import load_config
+from src.config import load_config, Config, UserConfig
 from src.summarizer import poll_accounts, ai_process, tg_send_and_mark, _mail_label
 from src.tg_bot import poll_telegram, send_thinking
 from src.database import init_db, is_uid_processed, mark_fetched, mark_processing, mark_sent, mark_failed
 
-# Thread-safe logging: all log records go through a single QueueListener thread
+# Thread-safe logging
 _log_queue = queue_module.Queue(-1)
 _queue_handler = logging.handlers.QueueHandler(_log_queue)
 _console_handler = logging.StreamHandler()
@@ -31,9 +31,9 @@ logger = logging.getLogger("main")
 _running = True
 _shutdown_event = threading.Event()
 
-# Queue 1: raw emails → AI processor
+# Queue 1: raw emails → AI processor (user, acct_idx, mail, tg_msg_id)
 _email_queue: queue_module.Queue = queue_module.Queue()
-# Queue 2: AI summaries → TG sender
+# Queue 2: AI summaries → TG sender (user, info_dict)
 _tg_queue: queue_module.Queue = queue_module.Queue()
 
 
@@ -44,33 +44,36 @@ def _signal_handler(signum, frame):
     _shutdown_event.set()
 
 
-def _email_poller(cfg):
+def _email_poller(cfg: Config):
     logger.info("邮件轮询线程已启动")
     while _running:
         try:
-            for acct_idx, mail in poll_accounts(cfg):
+            for user in cfg.users:
                 if not _running:
                     return
-                uid_str = mail.uid.decode("utf-8", errors="replace") if isinstance(mail.uid, bytes) else str(mail.uid)
-                if not is_uid_processed(uid_str):
-                    mark_fetched(uid_str, mail.account_email, mail.folder,
-                                 mail.subject, mail.sender)
-                    try:
-                        tg_msg_id = send_thinking(cfg.telegram, cfg.telegram.chat_id,
-                            f"📥 *获取邮件中…*\n{_mail_label(mail)}")
-                        logger.info("  获取邮件中消息已发送: msg_id=%d", tg_msg_id)
-                    except Exception as e:
-                        logger.error("  获取邮件中消息发送失败: %s", e)
-                        tg_msg_id = 0
-                    _email_queue.put((acct_idx, mail, tg_msg_id))
+                for acct_idx, mail in poll_accounts(user):
+                    if not _running:
+                        return
+                    uid_str = mail.uid.decode("utf-8", errors="replace") if isinstance(mail.uid, bytes) else str(mail.uid)
+                    if not is_uid_processed(uid_str):
+                        mark_fetched(uid_str, mail.account_email, mail.folder,
+                                     mail.subject, mail.sender)
+                        try:
+                            tg_msg_id = send_thinking(cfg.bot_token, user.chat_id,
+                                f"📥 *获取邮件中…*\n{_mail_label(mail)}")
+                            logger.info("  [%s] 获取邮件中消息已发送: msg_id=%d", user.chat_id, tg_msg_id)
+                        except Exception as e:
+                            logger.error("  [%s] 获取邮件中消息发送失败: %s", user.chat_id, e)
+                            tg_msg_id = 0
+                        _email_queue.put((user, acct_idx, mail, tg_msg_id))
         except Exception as e:
             logger.error(f"邮件轮询线程异常: {e}", exc_info=True)
             time.sleep(5)
         if _running:
-            _shutdown_event.wait(cfg.polling.interval_seconds)
+            _shutdown_event.wait(cfg.polling_interval)
 
 
-def _ai_processor(cfg):
+def _ai_processor(cfg: Config):
     logger.info("AI 处理线程已启动 (并行 workers=10)")
     max_workers = 10
     with ThreadPoolExecutor(max_workers=max_workers) as executor:
@@ -78,21 +81,21 @@ def _ai_processor(cfg):
         while _running:
             while len(pending_futures) < max_workers:
                 try:
-                    acct_idx, mail, tg_msg_id = _email_queue.get_nowait()
+                    user, acct_idx, mail, tg_msg_id = _email_queue.get_nowait()
                 except queue_module.Empty:
                     break
                 uid_str = mail.uid.decode("utf-8", errors="replace") if isinstance(mail.uid, bytes) else str(mail.uid)
                 mark_processing(uid_str)
-                future = executor.submit(ai_process, cfg, acct_idx, mail, tg_msg_id)
-                pending_futures[future] = (acct_idx, mail)
+                future = executor.submit(ai_process, cfg, user, acct_idx, mail, tg_msg_id)
+                pending_futures[future] = (user, acct_idx, mail)
 
             completed = [f for f in pending_futures if f.done()]
             for future in completed:
-                acct_idx, mail = pending_futures.pop(future)
+                user, acct_idx, mail = pending_futures.pop(future)
                 try:
                     info = future.result()
                     if info:
-                        _tg_queue.put(info)
+                        _tg_queue.put((user, info))
                 except Exception as e:
                     logger.error(f"AI 处理邮件失败: {e}", exc_info=True)
                     uid_str = mail.uid.decode("utf-8", errors="replace") if isinstance(mail.uid, bytes) else str(mail.uid)
@@ -101,24 +104,24 @@ def _ai_processor(cfg):
             time.sleep(0.1 if pending_futures else 0.5)
 
 
-def _tg_poller(cfg):
+def _tg_poller(cfg: Config):
     logger.info("TG 轮询线程已启动（按钮回调专用）")
     last_update_id = 0
     while _running:
         try:
-            last_update_id = poll_telegram(cfg.telegram, cfg, last_update_id)
+            last_update_id = poll_telegram(cfg.bot_token, cfg, last_update_id)
         except Exception as e:
             logger.error(f"TG 轮询错误: {e}", exc_info=True)
         if _running:
             _shutdown_event.wait(0.05)
 
 
-def _tg_sender(cfg):
+def _tg_sender(cfg: Config):
     logger.info("TG 发送线程已启动（邮件摘要专用）")
     while _running:
         try:
-            info = _tg_queue.get_nowait()
-            tg_send_and_mark(cfg, info)
+            user, info = _tg_queue.get_nowait()
+            tg_send_and_mark(cfg, user, info)
             uid_str = info["uid"].decode("utf-8", errors="replace") if isinstance(info["uid"], bytes) else str(info["uid"])
             mark_sent(uid_str)
         except queue_module.Empty:
@@ -139,10 +142,13 @@ def main():
     signal.signal(signal.SIGINT, _signal_handler)
     signal.signal(signal.SIGTERM, _signal_handler)
 
-    cfg_path = sys.argv[1] if len(sys.argv) > 1 else "config.yaml"
+    cfg_path = sys.argv[1] if len(sys.argv) > 1 else "config.json"
     cfg = load_config(cfg_path)
     init_db()
-    logger.info(f"AI邮件摘要机器人已启动，轮询间隔: {cfg.polling.interval_seconds}s")
+
+    user_count = len(cfg.users)
+    acct_count = sum(len(u.email_accounts) for u in cfg.users)
+    logger.info(f"AI邮件摘要机器人已启动: {user_count} 用户, {acct_count} 邮箱, 轮询间隔: {cfg.polling_interval}s")
 
     threads = [
         threading.Thread(target=_email_poller, args=(cfg,), daemon=True),

src/ai_client.py

@@ -8,7 +8,7 @@ from src.retry import retry
 
 logger = logging.getLogger(__name__)
 
-SYSTEM_PROMPT = """你是一个邮件摘要助手。请分析邮件内容并以 JSON 格式返回结构化摘要。所有输出（subject、summary 等）必须使用简体中文，但 reply_suggestions（智能回复）请使用与邮件相同的语言，以便用户直接回复。
+SYSTEM_PROMPT = """你是一个邮件摘要助手。请分析邮件内容并以 JSON 格式返回结构化摘要。所有输出（subject、summary 等）必须使用简体中文。
 
 返回格式必须严格遵循以下 JSON schema：
 {
@@ -21,12 +21,7 @@ SYSTEM_PROMPT = """你是一个邮件摘要助手。请分析邮件内容并以
   "verification_code": "",
   "app_name": "",
   "links": [{"text": "按钮文字", "url": "https://..."}],
-  "can_reply": true/false,
-  "reply_suggestions": [
-    {"text": "回复内容", "is_simple": true/false},
-    {"text": "回复内容", "is_simple": true/false},
-    {"text": "回复内容", "is_simple": true/false}
-  ]
+  "can_reply": true/false
 }
 
 其中：
@@ -38,11 +33,8 @@ SYSTEM_PROMPT = """你是一个邮件摘要助手。请分析邮件内容并以
 - 退订链接提取规则：推广邮件必须提取退订链接。退订链接通常在邮件最底部，包含以下关键词之一：unsubscribe、退订、取消订阅、opt out、manage preferences、email preferences。即使链接被包裹在 HTML 标签中，也要提取 href 属性里的完整 URL。如果邮件底部同时有多个退订相关链接，只提取最主要的那个
 - plain_text: 将邮件全文转换为可读的纯文本版本。去除所有HTML标签、CSS样式、脚本代码，保留完整的文字内容和原始段落结构。不删减、不修改、不总结任何内容，完整保留原文所有信息
 - summary 要简洁，把需要知道的信息浓缩成一句话，不需要分条列出
-- 当 category 为 "promotion" 时，summary 直接写成一句话：「[发送方名称] 在推广 [推广的产品/服务/活动]」，例如「腾讯云在推广双十一云服务器折扣」。此时 can_reply 为 false，reply_suggestions 为空数组
-- can_reply 为 false 表示无需回复或不适合建议回复（此时忽略 reply_suggestions）
-- is_simple 为 true 表示纯确认性回复（如"好的""收到"），用户选择后可直发
-- is_simple 为 false 表示涉及实质内容，需要用户确认再发送
-- 每条回复控制在 50 字以内
+- 当 category 为 "promotion" 时，summary 直接写成一句话：「[发送方名称] 在推广 [推广的产品/服务/活动]」，例如「腾讯云在推广双十一云服务器折扣」。此时 can_reply 为 false
+- can_reply 为 false 表示无需回复或不适合建议回复
 只返回 JSON，不要包含任何其他文字。"""
 
 
@@ -109,7 +101,7 @@ MORE_REPLIES_PROMPT_SHORT = """你是一个邮件回复助手。根据以下邮
 MORE_REPLIES_PROMPT_FULL = """你是一个邮件回复助手。根据以下邮件内容生成3个不同的正式邮件回复。
 
 规则：
-- 完整模式：生成完整的邮件格式，包括称呼（如 Dear xxx,）和正文，结尾只写问候语逗号（如 Best regards,）不写落款，用户会自己编辑添加。
+- 完整模式：生成完整的邮件格式，包括称呼（如 Dear xxx,）和正文，结尾只写问候语逗号，不写落款，用户会自己编辑添加。
 - 必须使用与邮件相同的语言回复（英文邮件用英文，中文邮件用中文）。
 - 语气正式专业，适合商务邮件。
 

src/config.py

@@ -1,25 +1,30 @@
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import List, Optional
-import yaml
+import json
+
+
+@dataclass
+class ImapConfig:
+    server: str
+    port: int = 993
+    ssl: bool = True
+    starttls: bool = False
 
 
 @dataclass
 class SmtpConfig:
     server: str
-    port: int
-    use_ssl: bool = True
-    use_starttls: bool = False
+    port: int = 465
+    ssl: bool = True
+    starttls: bool = False
 
 
 @dataclass
 class EmailAccount:
-    imap_server: str
-    imap_port: int
     username: str
     password: str
-    use_ssl: bool = True
-    use_starttls: bool = False
-    smtp: Optional[SmtpConfig] = None
+    imap: ImapConfig
+    smtp: SmtpConfig
 
 
 @dataclass
@@ -30,40 +35,50 @@ class AIConfig:
 
 
 @dataclass
-class TelegramConfig:
-    bot_token: str
+class UserConfig:
     chat_id: str
-
-
-@dataclass
-class PollingConfig:
-    interval_seconds: int
+    ai: AIConfig
+    email_accounts: List[EmailAccount] = field(default_factory=list)
 
 
 @dataclass
 class Config:
-    email_accounts: List[EmailAccount]
-    ai: AIConfig
-    telegram: TelegramConfig
-    polling: PollingConfig
+    bot_token: str
+    polling_interval: int
+    users: List[UserConfig] = field(default_factory=list)
 
 
 def load_config(path: str) -> Config:
     with open(path, "r", encoding="utf-8") as f:
-        raw = yaml.safe_load(f)
+        raw = json.load(f)
 
-    accounts = []
-    for a in raw["email_accounts"]:
-        if "smtp" in a and a["smtp"] is not None:
-            a["smtp"] = SmtpConfig(**a["smtp"])
-        accounts.append(EmailAccount(**a))
-    ai = AIConfig(**raw["ai"])
-    tg = TelegramConfig(**raw["telegram"])
-    polling = PollingConfig(**raw["polling"])
+    users = []
+    for u in raw.get("users", []):
+        email_accounts = []
+        for a in u.get("email_accounts", []):
+            email_accounts.append(EmailAccount(
+                username=a["username"],
+                password=a["password"],
+                imap=ImapConfig(**a.get("imap", {})),
+                smtp=SmtpConfig(**a.get("smtp", {})),
+            ))
+        users.append(UserConfig(
+            chat_id=str(u["chat_id"]),
+            ai=AIConfig(**u["ai"]),
+            email_accounts=email_accounts,
+        ))
 
     return Config(
-        email_accounts=accounts,
-        ai=ai,
-        telegram=tg,
-        polling=polling,
+        bot_token=raw["bot_token"],
+        polling_interval=raw.get("polling_interval", 30),
+        users=users,
     )
+
+
+def find_user_by_chat_id(cfg: Config, chat_id: int | str) -> Optional[UserConfig]:
+    """根据 chat_id 查找用户"""
+    cid = str(chat_id)
+    for user in cfg.users:
+        if user.chat_id == cid:
+            return user
+    return None

src/email_client.py

@@ -91,12 +91,13 @@ def _select_mailbox(conn, mailbox: str = "INBOX"):
 
 
 def _login_and_prepare(account: EmailAccount, timeout: int = 30, select_inbox: bool = True):
-    logger.info("连接 %s:%d (超时%ds)", account.imap_server, account.imap_port, timeout)
-    if account.use_ssl:
-        conn = imaplib.IMAP4_SSL(account.imap_server, account.imap_port, timeout=timeout)
+    imap = account.imap
+    logger.info("连接 %s:%d (超时%ds)", imap.server, imap.port, timeout)
+    if imap.ssl:
+        conn = imaplib.IMAP4_SSL(imap.server, imap.port, timeout=timeout)
     else:
-        conn = imaplib.IMAP4(account.imap_server, account.imap_port, timeout=timeout)
-        if account.use_starttls:
+        conn = imaplib.IMAP4(imap.server, imap.port, timeout=timeout)
+        if imap.starttls:
             conn.starttls()
     conn.login(account.username, account.password)
     logger.info("登录成功: %s", account.username)

src/smtp_client.py

@@ -23,12 +23,12 @@ def send_reply(account: EmailAccount, to_addr: str, subject: str, body: str,
         raise RuntimeError(f"账号 {account.username} 未配置 SMTP")
 
     s = account.smtp
-    logger.info("SMTP 连接: %s:%d (ssl=%s)", s.server, s.port, s.use_ssl)
-    if s.use_ssl:
+    logger.info("SMTP 连接: %s:%d (ssl=%s)", s.server, s.port, s.ssl)
+    if s.ssl:
         conn = smtplib.SMTP_SSL(s.server, s.port, timeout=15)
     else:
         conn = smtplib.SMTP(s.server, s.port, timeout=15)
-        if s.use_starttls:
+        if s.starttls:
             conn.starttls()
 
     conn.login(account.username, account.password)

src/summarizer.py

@@ -2,7 +2,7 @@ import logging
 import re
 import threading
 from typing import Generator, Optional
-from src.config import Config
+from src.config import Config, UserConfig
 from src.email_client import fetch_unseen_emails, mark_as_seen, Email
 from src.ai_client import summarize_email
 from src.tg_bot import send_summary, send_thinking, edit_message, format_summary
@@ -21,31 +21,32 @@ def _mail_label(mail: Email) -> str:
     return f"{_escape_md(sender_short)} · {_escape_md(subject_short)}"
 
 
-def poll_accounts(cfg: Config, skip_uids: set[bytes] | None = None) -> Generator[tuple[int, Email], None, None]:
-    for idx, acct in enumerate(cfg.email_accounts):
+def poll_accounts(user: UserConfig, skip_uids: set[bytes] | None = None) -> Generator[tuple[int, Email], None, None]:
+    """轮询指定用户的所有邮箱"""
+    for idx, acct in enumerate(user.email_accounts):
         try:
-            logger.info(f"检查邮箱: {acct.username}")
+            logger.info("检查邮箱: %s (user=%s)", acct.username, user.chat_id)
             emails = fetch_unseen_emails(acct, skip_uids=skip_uids)
             if emails:
-                logger.info(f"  发现 {len(emails)} 封新邮件")
+                logger.info("  发现 %d 封新邮件", len(emails))
             for mail in emails:
                 yield idx, mail
         except Exception as e:
-            logger.error(f"轮询 {acct.username} 失败: {e}", exc_info=True)
+            logger.error("轮询 %s 失败: %s", acct.username, e, exc_info=True)
 
 
-def ai_process(cfg: Config, acct_idx: int, mail: Email, tg_msg_id: int = 0) -> Optional[dict]:
-    logger.info(f"  正在摘要: {mail.subject}")
+def ai_process(cfg: Config, user: UserConfig, acct_idx: int, mail: Email, tg_msg_id: int = 0) -> Optional[dict]:
+    logger.info("  [%s] 正在摘要: %s", user.chat_id, mail.subject)
     label = _mail_label(mail)
     # 阶段1：显示等待处理
     if tg_msg_id:
-        edit_message(cfg.telegram, cfg.telegram.chat_id, tg_msg_id, f"⏳ *等待处理…*\n{label}")
+        edit_message(cfg.bot_token, user.chat_id, tg_msg_id, f"⏳ *等待处理…*\n{label}")
     else:
-        tg_msg_id = send_thinking(cfg.telegram, cfg.telegram.chat_id, f"⏳ *等待处理…*\n{label}")
+        tg_msg_id = send_thinking(cfg.bot_token, user.chat_id, f"⏳ *等待处理…*\n{label}")
 
     # 阶段2：AI 处理，更新为思考中
-    edit_message(cfg.telegram, cfg.telegram.chat_id, tg_msg_id, f"🤖 *AI思考中…*\n{label}")
-    summary = summarize_email(cfg.ai, mail.recipient, mail.subject, mail.sender, mail.body, mail.account_email)
+    edit_message(cfg.bot_token, user.chat_id, tg_msg_id, f"🤖 *AI思考中…*\n{label}")
+    summary = summarize_email(user.ai, mail.recipient, mail.subject, mail.sender, mail.body, mail.account_email)
     summary["recipient"] = mail.recipient
     if "@" not in summary.get("sender", ""):
         summary["sender"] = mail.sender
@@ -66,19 +67,18 @@ def ai_process(cfg: Config, acct_idx: int, mail: Email, tg_msg_id: int = 0) -> O
     }
 
 
-def tg_send_and_mark(cfg: Config, info: dict):
-    acct = cfg.email_accounts[info["acct_idx"]]
+def tg_send_and_mark(cfg: Config, user: UserConfig, info: dict):
+    # 找到用户对应的邮箱账户
+    acct = user.email_accounts[info["acct_idx"]]
     thinking_msg_id = info.get("thinking_msg_id")
     if thinking_msg_id:
-        # 编辑思考中消息为实际摘要
         from src.tg_bot import _summary_keyboard
         from src.database import save_email_context
         can_reply = info["data"].get("can_reply", True)
         is_promotion = info["data"].get("category") == "promotion"
         links = info["data"].get("links", [])
-        edit_message(cfg.telegram, cfg.telegram.chat_id, thinking_msg_id,
+        edit_message(cfg.bot_token, user.chat_id, thinking_msg_id,
                      info["text"], _summary_keyboard(can_reply, is_promotion, links))
-        # 保存上下文用于回调
         save_email_context(thinking_msg_id, {
             "summary_text": info["text"],
             "summary_data": info["data"],
@@ -94,19 +94,18 @@ def tg_send_and_mark(cfg: Config, info: dict):
             "can_reply": can_reply,
         })
     else:
-        # 兜底：没有思考中消息就正常发送
-        send_summary(cfg.telegram, cfg.telegram.chat_id,
+        send_summary(cfg.bot_token, user.chat_id,
                      info["text"], info["data"],
                      info["original_body"], info["acct_idx"],
                      original_sender=info.get("original_sender", ""),
                      original_recipient=info.get("original_recipient", ""),
                      original_reply_to=info.get("original_reply_to", ""),
                      account_email=info.get("account_email", ""))
-    # 标记已读放到后台线程，不阻塞 TG 发送
+    # 标记已读放到后台线程
     def _bg_mark():
         try:
             mark_as_seen(acct, [(info["uid"], info.get("folder", "INBOX"))])
         except Exception:
             pass
     threading.Thread(target=_bg_mark, daemon=True).start()
-    logger.info(f"  TG 发送成功，标记已读已提交后台")
+    logger.info("  [%s] TG 发送成功，标记已读已提交后台", user.chat_id)

src/tg_bot.py

@@ -4,7 +4,7 @@ import threading
 from concurrent.futures import ThreadPoolExecutor
 from email.utils import parseaddr
 import requests
-from src.config import TelegramConfig, Config
+from src.config import Config, UserConfig, find_user_by_chat_id
 from src.ai_client import generate_more_replies, expand_promo_detail
 from src.smtp_client import send_reply
 from src.retry import retry
@@ -18,14 +18,14 @@ _ai_pool = ThreadPoolExecutor(max_workers=3, thread_name_prefix="ai_regen")
 # ── Public API ──────────────────────────────────────────
 
 @retry()
-def send_summary(tg_cfg: TelegramConfig, chat_id: str, summary_text: str,
+def send_summary(bot_token: str, chat_id: str, summary_text: str,
                  summary_data: dict, original_body: str, account_idx: int,
                  original_sender: str = "", original_recipient: str = "",
                  original_reply_to: str = "", account_email: str = "") -> int:
     can_reply = summary_data.get("can_reply", True)
     is_promotion = summary_data.get("category") == "promotion"
     links = summary_data.get("links", [])
-    result = _tg_req(tg_cfg, "sendMessage", {
+    result = _tg_req(bot_token, "sendMessage", {
         "chat_id": chat_id,
         "text": summary_text,
         "parse_mode": "MarkdownV2",
@@ -49,24 +49,24 @@ def send_summary(tg_cfg: TelegramConfig, chat_id: str, summary_text: str,
 
 
 @retry()
-def send_text(tg_cfg: TelegramConfig, chat_id: str, text: str,
+def send_text(bot_token: str, chat_id: str, text: str,
               reply_markup: dict = None) -> int:
     payload = {"chat_id": chat_id, "text": text}
     if reply_markup:
         payload["reply_markup"] = reply_markup
-    result = _tg_req(tg_cfg, "sendMessage", payload)
+    result = _tg_req(bot_token, "sendMessage", payload)
     return result["result"]["message_id"]
 
 
-def send_thinking(tg_cfg: TelegramConfig, chat_id: str, text: str = "💭 思考中…") -> int:
-    result = _tg_req(tg_cfg, "sendMessage", {
+def send_thinking(bot_token: str, chat_id: str, text: str = "💭 思考中…") -> int:
+    result = _tg_req(bot_token, "sendMessage", {
         "chat_id": chat_id,
         "text": text,
     })
     return result["result"]["message_id"]
 
 
-def edit_message(tg_cfg: TelegramConfig, chat_id: str, msg_id: int,
+def edit_message(bot_token: str, chat_id: str, msg_id: int,
                  text: str, reply_markup: dict = None):
     payload = {
         "chat_id": chat_id, "message_id": msg_id,
@@ -74,22 +74,22 @@ def edit_message(tg_cfg: TelegramConfig, chat_id: str, msg_id: int,
     }
     if reply_markup:
         payload["reply_markup"] = reply_markup
-    _tg_req(tg_cfg, "editMessageText", payload)
+    _tg_req(bot_token, "editMessageText", payload)
 
 
-def delete_message(tg_cfg: TelegramConfig, chat_id: str, msg_id: int):
+def delete_message(bot_token: str, chat_id: str, msg_id: int):
     try:
-        _tg_req(tg_cfg, "deleteMessage", {
+        _tg_req(bot_token, "deleteMessage", {
             "chat_id": chat_id, "message_id": msg_id,
         })
     except Exception:
         pass
 
 
-def poll_telegram(tg_cfg: TelegramConfig, cfg: Config, last_update_id: int) -> int:
+def poll_telegram(bot_token: str, cfg: Config, last_update_id: int) -> int:
     try:
         resp = requests.get(
-            f"https://api.telegram.org/bot{tg_cfg.bot_token}/getUpdates",
+            f"https://api.telegram.org/bot{bot_token}/getUpdates",
             params={"offset": last_update_id, "timeout": 1},
             timeout=10,
         )
@@ -100,7 +100,7 @@ def poll_telegram(tg_cfg: TelegramConfig, cfg: Config, last_update_id: int) -> i
         for update in data.get("result", []):
             uid = update["update_id"]
             try:
-                _handle_update(tg_cfg, cfg, update)
+                _handle_update(bot_token, cfg, update)
             except Exception as e:
                 logger.warning("处理 update %d 失败: %s", uid, e)
             last_update_id = uid + 1
@@ -247,8 +247,8 @@ def _ai_reply_keyboard(msg_id: int, suggestions: list) -> dict:
 
 # ── Telegram API ────────────────────────────────────────
 
-def _tg_req(tg_cfg: TelegramConfig, method: str, payload: dict) -> dict:
-    url = f"https://api.telegram.org/bot{tg_cfg.bot_token}/{method}"
+def _tg_req(bot_token: str, method: str, payload: dict) -> dict:
+    url = f"https://api.telegram.org/bot{bot_token}/{method}"
     logger.info("Telegram API %s: %s", method, {k: (v if k != "reply_markup" else "...") for k, v in payload.items()})
     r = requests.post(url, json=payload, timeout=30)
     if not r.ok:
@@ -262,35 +262,41 @@ def _tg_req(tg_cfg: TelegramConfig, method: str, payload: dict) -> dict:
 
 # ── Update handling ─────────────────────────────────────
 
-def _do_regen(cfg: Config, chat_id: int, msg_id: int, ctx: dict, conv: dict):
+def _do_regen(bot_token: str, cfg: Config, chat_id: int, msg_id: int, ctx: dict, conv: dict):
     """在 AI 线程池中执行换一批，不阻塞按钮轮询"""
+    user = find_user_by_chat_id(cfg, chat_id)
+    if not user:
+        return
     style = conv.get("reply_style", "short")
     try:
         new_suggestions = generate_more_replies(
-            cfg.ai, ctx["sender"], ctx["subject"], ctx["original_body"],
+            user.ai, ctx["sender"], ctx["subject"], ctx["original_body"],
             conv.get("all_suggestions", []), style=style,
         )
     except Exception as e:
-        send_text(cfg.telegram, str(chat_id), f"生成失败: {e}")
+        send_text(bot_token, str(chat_id), f"生成失败: {e}")
         return
     if new_suggestions:
         conv["ai_suggestions"] = new_suggestions
         conv["all_suggestions"].extend(new_suggestions)
         save_conversation(chat_id, conv)
         logger.info("[ai_regen] 新生成 %d 条回复 (style=%s)", len(new_suggestions), style)
-        _show_ai_suggestions(cfg.telegram, chat_id, msg_id, new_suggestions)
+        _show_ai_suggestions(bot_token, chat_id, msg_id, new_suggestions)
 
 
-def _do_ai_hint(cfg: Config, chat_id: int, conv: dict, ctx: dict, hint: str):
+def _do_ai_hint(bot_token: str, cfg: Config, chat_id: int, conv: dict, ctx: dict, hint: str):
     """在 AI 线程池中根据用户提示生成回复"""
+    user = find_user_by_chat_id(cfg, chat_id)
+    if not user:
+        return
     style = conv.get("reply_style", "short")
     try:
         new_suggestions = generate_more_replies(
-            cfg.ai, ctx["sender"], ctx["subject"], ctx["original_body"],
+            user.ai, ctx["sender"], ctx["subject"], ctx["original_body"],
             conv.get("all_suggestions", []), user_hint=hint, style=style,
         )
     except Exception as e:
-        send_text(cfg.telegram, str(chat_id), f"生成失败: {e}")
+        send_text(bot_token, str(chat_id), f"生成失败: {e}")
         delete_conversation(chat_id)
         return
     if new_suggestions:
@@ -300,24 +306,24 @@ def _do_ai_hint(cfg: Config, chat_id: int, conv: dict, ctx: dict, hint: str):
         conv.pop("prompt_msg_id", None)
         save_conversation(chat_id, conv)
         logger.info("[ai_hint] 根据提示生成 %d 条新回复", len(new_suggestions))
-        _show_ai_suggestions(cfg.telegram, chat_id, conv["summary_msg_id"], new_suggestions)
+        _show_ai_suggestions(bot_token, chat_id, conv["summary_msg_id"], new_suggestions)
 
 
-def _handle_update(tg_cfg: TelegramConfig, cfg: Config, update: dict):
+def _handle_update(bot_token: str, cfg: Config, update: dict):
     if "callback_query" in update:
-        _handle_callback(tg_cfg, cfg, update["callback_query"])
+        _handle_callback(bot_token, cfg, update["callback_query"])
     elif "message" in update:
-        _handle_message(tg_cfg, cfg, update["message"])
+        _handle_message(bot_token, cfg, update["message"])
 
 
-def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
+def _handle_callback(bot_token: str, cfg: Config, cb: dict):
     chat_id = cb["message"]["chat"]["id"]
     msg_id = cb["message"]["message_id"]
     data = cb["data"]
     cb_id = cb["id"]
 
     try:
-        _tg_req(tg_cfg, "answerCallbackQuery", {"callback_query_id": cb_id})
+        _tg_req(bot_token, "answerCallbackQuery", {"callback_query_id": cb_id})
     except Exception:
         pass
 
@@ -331,7 +337,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
     if action == CALLBACK_VIEW_ORIG and ctx:
         can_reply = ctx.get("can_reply", True)
         text = f"*📄 原文 \\- {_escape(ctx['subject'])}*\n\n{_escape(ctx.get('plain_text', ctx['original_body']))}"
-        _tg_req(tg_cfg, "editMessageText", {
+        _tg_req(bot_token, "editMessageText", {
             "chat_id": chat_id, "message_id": msg_id,
             "text": text, "parse_mode": "MarkdownV2",
             "reply_markup": _orig_keyboard(can_reply),
@@ -342,7 +348,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
         can_reply = ctx.get("can_reply", True)
         is_promotion = ctx.get("summary_data", {}).get("category") == "promotion"
         links = ctx.get("summary_data", {}).get("links", [])
-        _tg_req(tg_cfg, "editMessageText", {
+        _tg_req(bot_token, "editMessageText", {
             "chat_id": chat_id, "message_id": msg_id,
             "text": ctx["summary_text"], "parse_mode": "MarkdownV2",
             "reply_markup": _summary_keyboard(can_reply, is_promotion, links),
@@ -351,7 +357,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
 
     elif action == CALLBACK_REPLY and ctx:
         prompt_msg_id = send_text(
-            tg_cfg, str(chat_id), "请输入你的回复内容：",
+            bot_token, str(chat_id), "请输入你的回复内容：",
             reply_markup=_cancel_keyboard(),
         )
         save_conversation(chat_id, {
@@ -362,33 +368,19 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
 
     elif action in (CALLBACK_AI_REPLY_FULL, CALLBACK_AI_REPLY_SHORT) and ctx:
         style = "full" if action == CALLBACK_AI_REPLY_FULL else "short"
-        suggestions = ctx["summary_data"].get("reply_suggestions", [])
-
-        # 缓存为空时重新生成
-        if not suggestions:
-            logger.info("  缓存为空，重新生成 AI 回复 (style=%s)", style)
-            _tg_req(tg_cfg, "editMessageText", {
-                "chat_id": chat_id, "message_id": msg_id,
-                "text": "🤖 *AI思考中…*", "parse_mode": "MarkdownV2",
-            })
-            conv = load_conversation(chat_id) or {}
-            conv["state"] = "ai_reply_selection"
-            conv["summary_msg_id"] = msg_id
-            conv["reply_style"] = style
-            conv["all_suggestions"] = []
-            save_conversation(chat_id, conv)
-            _ai_pool.submit(_do_regen, cfg, chat_id, msg_id, ctx, conv)
-            return
-
-        save_conversation(chat_id, {
-            "state": "ai_reply_selection",
-            "summary_msg_id": msg_id,
-            "ai_suggestions": suggestions,
-            "all_suggestions": list(suggestions),
-            "reply_style": style,
+        # 总是用对应风格重新生成，不使用摘要时的通用缓存
+        logger.info("  重新生成 AI 回复 (style=%s)", style)
+        _tg_req(bot_token, "editMessageText", {
+            "chat_id": chat_id, "message_id": msg_id,
+            "text": "🤖 *AI思考中…*", "parse_mode": "MarkdownV2",
         })
-        logger.info("  显示 AI 回复建议 (%d 条, style=%s)", len(suggestions), style)
-        _show_ai_suggestions(tg_cfg, chat_id, msg_id, suggestions)
+        conv = load_conversation(chat_id) or {}
+        conv["state"] = "ai_reply_selection"
+        conv["summary_msg_id"] = msg_id
+        conv["reply_style"] = style
+        conv["all_suggestions"] = []
+        save_conversation(chat_id, conv)
+        _ai_pool.submit(_do_regen, bot_token, cfg, chat_id, msg_id, ctx, conv)
 
     elif action == CALLBACK_SEND_REPLY and ctx:
         idx = int(parts[2])
@@ -400,14 +392,16 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
             return
         sel_text = suggestions[idx]["text"]
         logger.info("  直接发送回复 #%d: %s", idx, sel_text[:60])
-        _do_send_reply(tg_cfg, cfg, chat_id, msg_id, ctx, sel_text)
-        send_text(tg_cfg, str(chat_id), f"✅ 回复已发送")
+        _do_send_reply(bot_token, cfg, chat_id, msg_id, ctx, sel_text)
+        send_text(bot_token, str(chat_id), f"✅ 回复已发送")
         delete_conversation(chat_id)
         can_reply = ctx.get("can_reply", True)
-        _tg_req(tg_cfg, "editMessageText", {
+        is_promotion = ctx.get("summary_data", {}).get("category") == "promotion"
+        links = ctx.get("summary_data", {}).get("links", [])
+        _tg_req(bot_token, "editMessageText", {
             "chat_id": chat_id, "message_id": msg_id,
             "text": ctx["summary_text"], "parse_mode": "MarkdownV2",
-            "reply_markup": _summary_keyboard(can_reply),
+            "reply_markup": _summary_keyboard(can_reply, is_promotion, links),
         })
 
     elif action == CALLBACK_SELECT_REPLY and ctx:
@@ -424,7 +418,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
 
         # 用代码块显示，点击可复制（MarkdownV2）
         escaped = sel_text.replace("\\", "\\\\").replace("`", "\\`")
-        _tg_req(tg_cfg, "sendMessage", {
+        _tg_req(bot_token, "sendMessage", {
             "chat_id": str(chat_id),
             "text": f"*建议回复（点击代码块复制）:*\n`{escaped}`",
             "parse_mode": "MarkdownV2",
@@ -432,7 +426,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
 
         # 进入 awaiting_reply 状态，用户可编辑后发送
         prompt_msg_id = send_text(
-            tg_cfg, str(chat_id),
+            bot_token, str(chat_id),
             "请编辑后发送（或直接回复附件）：",
             reply_markup=_cancel_keyboard(),
         )
@@ -449,16 +443,16 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
             return
         logger.info("  换一批 (已有 %d 条历史)", len(conv.get("all_suggestions", [])))
         # AI 处理中
-        _tg_req(tg_cfg, "editMessageText", {
+        _tg_req(bot_token, "editMessageText", {
             "chat_id": chat_id, "message_id": msg_id,
             "text": "🤖 *AI思考中…*", "parse_mode": "MarkdownV2",
         })
         # 丢到 AI 线程池处理，不阻塞按钮轮询
-        _ai_pool.submit(_do_regen, cfg, chat_id, msg_id, ctx, conv)
+        _ai_pool.submit(_do_regen, bot_token, cfg, chat_id, msg_id, ctx, conv)
 
     elif action == CALLBACK_HINT and ctx:
         prompt_msg_id = send_text(
-            tg_cfg, str(chat_id), "请输入你对回复的提示/要求：",
+            bot_token, str(chat_id), "请输入你对回复的提示/要求：",
             reply_markup=_cancel_keyboard(),
         )
         conv = load_conversation(chat_id)
@@ -475,18 +469,20 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
             ctx["summary_data"]["reply_suggestions"] = []
             save_email_context(msg_id, ctx)
             can_reply = ctx.get("can_reply", True)
-            _tg_req(tg_cfg, "editMessageText", {
+            is_promotion = ctx.get("summary_data", {}).get("category") == "promotion"
+            links = ctx.get("summary_data", {}).get("links", [])
+            _tg_req(bot_token, "editMessageText", {
                 "chat_id": chat_id, "message_id": msg_id,
                 "text": ctx["summary_text"], "parse_mode": "MarkdownV2",
-                "reply_markup": _summary_keyboard(can_reply),
+                "reply_markup": _summary_keyboard(can_reply, is_promotion, links),
             })
             logger.info("  取消, 恢复摘要视图")
         else:
-            delete_message(tg_cfg, str(chat_id), msg_id)
+            delete_message(bot_token, str(chat_id), msg_id)
             logger.info("  取消, 删除提示消息")
 
     elif action == CALLBACK_PROMO_DETAIL and ctx:
-        _tg_req(tg_cfg, "editMessageText", {
+        _tg_req(bot_token, "editMessageText", {
             "chat_id": chat_id, "message_id": msg_id,
             "text": "🤖 *AI思考中…*", "parse_mode": "MarkdownV2",
         })
@@ -495,7 +491,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
                 cfg.ai, ctx["sender"], ctx["subject"], ctx["original_body"],
             )
         except Exception as e:
-            send_text(tg_cfg, str(chat_id), f"获取详情失败: {e}")
+            send_text(bot_token, str(chat_id), f"获取详情失败: {e}")
             return
         summary = ctx["summary_data"].get("summary", "")
         detail_lines = "\n".join(f"\\- {_escape(d)}" for d in details) if details else "暂无更多详情"
@@ -506,7 +502,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
             f"\n{_escape(summary)}\n"
             f"\n*📋 详情:*\n{detail_lines}"
         )
-        _tg_req(tg_cfg, "editMessageText", {
+        _tg_req(bot_token, "editMessageText", {
             "chat_id": chat_id, "message_id": msg_id,
             "text": expanded, "parse_mode": "MarkdownV2",
             "reply_markup": {"inline_keyboard": [
@@ -517,7 +513,7 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
         logger.info("  显示推广详情")
 
 
-def _handle_message(tg_cfg: TelegramConfig, cfg: Config, msg: dict):
+def _handle_message(bot_token: str, cfg: Config, msg: dict):
     chat_id = msg["chat"]["id"]
     text = msg.get("text") or msg.get("caption") or ""
     text = text.strip()
@@ -538,24 +534,24 @@ def _handle_message(tg_cfg: TelegramConfig, cfg: Config, msg: dict):
         ctx = load_email_context(conv["summary_msg_id"])
         if not ctx:
             delete_conversation(chat_id)
-            delete_message(tg_cfg, chat_id_str, user_msg_id)
+            delete_message(bot_token, chat_id_str, user_msg_id)
             if prompt_msg_id:
-                delete_message(tg_cfg, chat_id_str, prompt_msg_id)
+                delete_message(bot_token, chat_id_str, prompt_msg_id)
             logger.info("  上下文已丢失，清理")
             return
 
-        delete_message(tg_cfg, chat_id_str, user_msg_id)
+        delete_message(bot_token, chat_id_str, user_msg_id)
         if prompt_msg_id:
-            delete_message(tg_cfg, chat_id_str, prompt_msg_id)
+            delete_message(bot_token, chat_id_str, prompt_msg_id)
 
         # 合并累积的附件
         all_attachments = conv.get("pending_attachments", [])
         all_attachments.extend(media)
 
-        _do_send_reply(tg_cfg, cfg, chat_id, conv["summary_msg_id"], ctx, text,
+        _do_send_reply(bot_token, cfg, chat_id, conv["summary_msg_id"], ctx, text,
                        attachments=all_attachments or None)
         attach_info = f" (+{len(all_attachments)}个附件)" if all_attachments else ""
-        send_text(tg_cfg, chat_id_str, f"✅ 回复已发送{attach_info}")
+        send_text(bot_token, chat_id_str, f"✅ 回复已发送{attach_info}")
         delete_conversation(chat_id)
         logger.info("  回复发送完成")
 
@@ -563,50 +559,50 @@ def _handle_message(tg_cfg: TelegramConfig, cfg: Config, msg: dict):
         ctx = load_email_context(conv["summary_msg_id"])
         if not ctx:
             delete_conversation(chat_id)
-            delete_message(tg_cfg, chat_id_str, user_msg_id)
+            delete_message(bot_token, chat_id_str, user_msg_id)
             if prompt_msg_id:
-                delete_message(tg_cfg, chat_id_str, prompt_msg_id)
+                delete_message(bot_token, chat_id_str, prompt_msg_id)
             return
 
-        delete_message(tg_cfg, chat_id_str, user_msg_id)
+        delete_message(bot_token, chat_id_str, user_msg_id)
         if prompt_msg_id:
-            delete_message(tg_cfg, chat_id_str, prompt_msg_id)
+            delete_message(bot_token, chat_id_str, prompt_msg_id)
 
         # 更新消息为 AI 思考中
-        _tg_req(tg_cfg, "editMessageText", {
+        _tg_req(bot_token, "editMessageText", {
             "chat_id": chat_id, "message_id": conv["summary_msg_id"],
             "text": "🤖 *AI思考中…*", "parse_mode": "MarkdownV2",
         })
         # 丢到 AI 线程池处理
-        _ai_pool.submit(_do_ai_hint, cfg, chat_id, conv, ctx, text)
+        _ai_pool.submit(_do_ai_hint, bot_token, cfg, chat_id, conv, ctx, text)
 
 
-def _show_ai_suggestions(tg_cfg: TelegramConfig, chat_id: int, msg_id: int,
+def _show_ai_suggestions(bot_token: str, chat_id: int, msg_id: int,
                          suggestions: list):
     text = "*AI 建议回复，请选择：*\n\n"
     for i, s in enumerate(suggestions, 1):
         text += f"{i}\\. {_escape(s['text'])}\n"
-    _tg_req(tg_cfg, "editMessageText", {
+    _tg_req(bot_token, "editMessageText", {
         "chat_id": chat_id, "message_id": msg_id,
         "text": text, "parse_mode": "MarkdownV2",
         "reply_markup": _ai_reply_keyboard(msg_id, suggestions),
     })
 
 
-def _download_tg_file(tg_cfg: TelegramConfig, file_id: str, filename: str) -> str:
+def _download_tg_file(bot_token: str, file_id: str, filename: str) -> str:
     """从 Telegram 下载文件到本地 media/ 目录，返回本地路径"""
     import os
     from pathlib import Path
     media_dir = Path("media")
     media_dir.mkdir(exist_ok=True)
     resp = requests.get(
-        f"https://api.telegram.org/bot{tg_cfg.bot_token}/getFile",
+        f"https://api.telegram.org/bot{bot_token}/getFile",
         params={"file_id": file_id}, timeout=30,
     )
     resp.raise_for_status()
     file_path = resp.json()["result"]["file_path"]
     dl = requests.get(
-        f"https://api.telegram.org/file/bot{tg_cfg.bot_token}/{file_path}",
+        f"https://api.telegram.org/file/bot{bot_token}/{file_path}",
         timeout=60,
     )
     dl.raise_for_status()
@@ -660,12 +656,16 @@ def _extract_media(msg: dict) -> list[dict]:
     return attachments
 
 
-def _do_send_reply(tg_cfg: TelegramConfig, cfg: Config,
+def _do_send_reply(bot_token: str, cfg: Config,
                    chat_id: int, msg_id: int, ctx: dict, reply_text: str,
                    attachments: list[dict] | None = None):
-    acct = cfg.email_accounts[ctx["account_idx"]]
+    user = find_user_by_chat_id(cfg, chat_id)
+    if not user:
+        send_text(bot_token, str(chat_id), "❌ 用户未找到。")
+        return
+    acct = user.email_accounts[ctx["account_idx"]]
     if not acct.smtp:
-        send_text(tg_cfg, str(chat_id), "❌ 该邮箱未配置 SMTP，无法发送回复。")
+        send_text(bot_token, str(chat_id), "❌ 该邮箱未配置 SMTP，无法发送回复。")
         return
     to_addr = parseaddr(ctx.get("original_reply_to", ""))[1]
     if not to_addr:
@@ -681,7 +681,7 @@ def _do_send_reply(tg_cfg: TelegramConfig, cfg: Config,
     if attachments:
         for att in attachments:
             try:
-                path = _download_tg_file(tg_cfg, att["file_id"], att["filename"])
+                path = _download_tg_file(bot_token, att["file_id"], att["filename"])
                 local_files.append((path, att["mime_type"]))
             except Exception as e:
                 logger.error("  附件下载失败: %s - %s", att["filename"], e)