feat: scan all IMAP folders for unread emails, not just INBOX

src/summarizer.py

@@ -42,6 +42,7 @@ def ai_process(cfg: Config, acct_idx: int, mail: Email) -> Optional[dict]:
         "acct_idx": acct_idx,
         "account_email": mail.account_email,
         "uid": mail.uid,
+        "folder": mail.folder,
         "thinking_msg_id": thinking_msg_id,
     }
 
@@ -81,5 +82,5 @@ def tg_send_and_mark(cfg: Config, info: dict):
                      original_reply_to=info.get("original_reply_to", ""),
                      account_email=info.get("account_email", ""))
     # 只有发送成功才标记已读
-    mark_as_seen(acct, [info["uid"]])
+    mark_as_seen(acct, [(info["uid"], info.get("folder", "INBOX"))])
     logger.info(f"  TG 发送成功，已标记已读")