feat: AI generates plain_text field, view full text shows readable version instead of HTML

src/tg_bot.py

@@ -276,7 +276,7 @@ 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['original_body'])}"
+        text = f"*📄 原文 \\- {_escape(ctx['subject'])}*\n\n{_escape(ctx.get('plain_text', ctx['original_body']))}"
         _tg_req(tg_cfg, "editMessageText", {
             "chat_id": chat_id, "message_id": msg_id,
             "text": text, "parse_mode": "MarkdownV2",