feat: show thinking indicator during AI processing, accept non-numeric verification codes

src/ai_client.py

@@ -31,7 +31,7 @@ SYSTEM_PROMPT = """你是一个邮件摘要助手。请分析邮件内容并以
 其中：
 - subject 不能照抄原邮件主题，必须是你总结生成的简短标题
 - category: 邮件类型。推广邮件（营销、促销、广告、 newsletter 推广等）标记为 "promotion"；验证码邮件标记为 "notification"；普通邮件标记为 "normal"
-- verification_code: 仅当 category 为 "notification" 且邮件包含验证码时填写，只填纯数字验证码（如「123456」「888888」），不包含平台名。非验证码邮件留空字符串
+- verification_code: 仅当 category 为 "notification" 且邮件包含验证码时填写，提取完整的验证码字符串（纯数字、字母数字混合等均可，如「123456」「abc-789」「701383」）。非验证码邮件留空字符串
 - app_name: 仅当 category 为 "notification" 且邮件包含验证码时填写，填写发送验证码的应用/平台名称（如「GitHub」「微信」「Kraken」）。非验证码邮件留空字符串
 - links: 从邮件正文中提取用户需要点击的链接。只提取有意义的、用户可能需要操作的链接（如确认链接、登录链接、下载链接、账单链接、退订链接等），不要提取、追踪像素、邮件头中的无关链接。每条包含简短描述文字和完整 URL。最多 3 条。没有需要点击的链接时为空数组
 - 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

src/summarizer.py

@@ -3,7 +3,7 @@ from typing import Generator, Optional
 from src.config import Config
 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, format_summary
+from src.tg_bot import send_summary, send_thinking, edit_message, format_summary
 
 logger = logging.getLogger(__name__)
 
@@ -23,6 +23,10 @@ def poll_accounts(cfg: Config) -> Generator[tuple[int, Email], None, None]:
 
 def ai_process(cfg: Config, acct_idx: int, mail: Email) -> Optional[dict]:
     logger.info(f"  正在摘要: {mail.subject}")
+    # 先发思考中消息
+    thinking_msg_id = send_thinking(cfg.telegram, cfg.telegram.chat_id)
+    logger.info(f"  思考中消息已发送: msg_id={thinking_msg_id}")
+
     summary = summarize_email(cfg.ai, mail.recipient, mail.subject, mail.sender, mail.body, mail.account_email)
     summary["recipient"] = mail.recipient
     if "@" not in summary.get("sender", ""):
@@ -38,11 +42,37 @@ def ai_process(cfg: Config, acct_idx: int, mail: Email) -> Optional[dict]:
         "acct_idx": acct_idx,
         "account_email": mail.account_email,
         "uid": mail.uid,
+        "thinking_msg_id": thinking_msg_id,
     }
 
 
 def tg_send_and_mark(cfg: Config, info: dict):
     acct = cfg.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
+        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,
+                     info["text"], _summary_keyboard(can_reply, is_promotion, links))
+        # 保存上下文用于回调
+        from src.tg_bot import _email_contexts
+        _email_contexts[thinking_msg_id] = {
+            "summary_text": info["text"],
+            "summary_data": info["data"],
+            "original_body": info["original_body"][:10000],
+            "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", ""),
+            "sender": info["data"].get("sender", ""),
+            "subject": info["data"].get("subject", ""),
+            "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,
                      info["text"], info["data"],
                      info["original_body"], info["acct_idx"],
@@ -50,6 +80,6 @@ def tg_send_and_mark(cfg: Config, info: dict):
                      original_recipient=info.get("original_recipient", ""),
                      original_reply_to=info.get("original_reply_to", ""),
                      account_email=info.get("account_email", ""))
-    # 只有 send_summary 成功返回（未抛异常）才标记已读
+    # 只有发送成功才标记已读
     mark_as_seen(acct, [info["uid"]])
     logger.info(f"  TG 发送成功，已标记已读")

src/tg_bot.py

@@ -57,6 +57,25 @@ def send_text(tg_cfg: TelegramConfig, chat_id: str, text: str,
     return result["result"]["message_id"]
 
 
+def send_thinking(tg_cfg: TelegramConfig, chat_id: str) -> int:
+    result = _tg_req(tg_cfg, "sendMessage", {
+        "chat_id": chat_id,
+        "text": "💭 思考中...",
+    })
+    return result["result"]["message_id"]
+
+
+def edit_message(tg_cfg: TelegramConfig, chat_id: str, msg_id: int,
+                 text: str, reply_markup: dict = None):
+    payload = {
+        "chat_id": chat_id, "message_id": msg_id,
+        "text": text, "parse_mode": "MarkdownV2",
+    }
+    if reply_markup:
+        payload["reply_markup"] = reply_markup
+    _tg_req(tg_cfg, "editMessageText", payload)
+
+
 def delete_message(tg_cfg: TelegramConfig, chat_id: str, msg_id: int):
     try:
         _tg_req(tg_cfg, "deleteMessage", {
@@ -325,6 +344,11 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
         if not conv or conv.get("summary_msg_id") != msg_id:
             return
         logger.info("  换一批 (已有 %d 条历史)", len(conv.get("all_suggestions", [])))
+        # 先显示思考中
+        _tg_req(tg_cfg, "editMessageText", {
+            "chat_id": chat_id, "message_id": msg_id,
+            "text": "💭 思考中...", "parse_mode": None,
+        })
         try:
             new_suggestions = generate_more_replies(
                 cfg.ai, ctx["sender"], ctx["subject"], ctx["original_body"],
@@ -365,6 +389,11 @@ def _handle_callback(tg_cfg: TelegramConfig, cfg: Config, cb: dict):
             logger.info("  取消, 删除提示消息")
 
     elif action == CALLBACK_PROMO_DETAIL and ctx:
+        # 先显示思考中
+        _tg_req(tg_cfg, "editMessageText", {
+            "chat_id": chat_id, "message_id": msg_id,
+            "text": "💭 思考中...", "parse_mode": None,
+        })
         try:
             details = expand_promo_detail(
                 cfg.ai, ctx["sender"], ctx["subject"], ctx["original_body"],