fix(telegram): drift 執行結果貼回卡片 + audit log user_id

IDE 抓到 _stamp 未使用(結果沒送)+ user_id 未使用(audit 缺漏)。

修:
1. _edit_drift_card_outcome 不只移除按鈕,還 send 簽核戳訊息
   (reply_to 原卡片,若 msg_id 存在),格式:
     ✅ 已採納 by @username (成功)
     Drift <report_id>
2. _handle_drift_action 加 drift_callback_dispatched log(audit)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/api/src/services/telegram_gateway.py

@@ -2005,6 +2005,11 @@ class TelegramGateway:
         approval_id 在 drift card 即 report_id (send_drift_card 設計)。
         """
         report_id = approval_id
+        logger.info(
+            "drift_callback_dispatched",
+            action=action, report_id=report_id,
+            user_id=user_id, username=username,
+        )
         try:
             if action == "drift_view":
                 await self._answer_callback(callback_query_id, action, text="🔍 撈全部 Diff...")
@@ -2102,23 +2107,42 @@ class TelegramGateway:
         self, report_id: str, verb: str, by: str, ok: bool,
     ) -> None:
         """
-        drift_adopt/drift_revert 執行後 edit 原卡片加簽核戳。
+        drift_adopt/drift_revert 執行後:
+          1. 原卡片移除按鈕（用 editMessageReplyMarkup）
+          2. 在原卡片下 reply 執行結果訊息（包含 verb/by/成功失敗）
         """
+        _icon = "✅" if ok else "❌"
+        _stamp = (
+            f"{_icon} <b>{html.escape(verb)}</b> by @{html.escape(by)} "
+            f"({'成功' if ok else '失敗'})\n"
+            f"Drift <code>{html.escape(report_id)}</code>"
+        )
+        _msg_id: int | None = None
         try:
             _msg_id_raw = await get_redis().get(f"tg_drift:{report_id}")
-            if not _msg_id_raw:
-                return
-            _msg_id = int(_msg_id_raw)
-            _icon = "✅" if ok else "❌"
-            _stamp = f"\n━━━━━━━━━━━━━━━━━━━\n{_icon} {verb} by @{html.escape(by)} ({'成功' if ok else '失敗'})"
-            # 先移除按鈕
-            await self._send_request("editMessageReplyMarkup", {
-                "chat_id": settings.OPENCLAW_TG_CHAT_ID,
-                "message_id": _msg_id,
-                "reply_markup": {"inline_keyboard": []},
-            })
+            if _msg_id_raw:
+                _msg_id = int(_msg_id_raw)
+                # 先移除按鈕
+                await self._send_request("editMessageReplyMarkup", {
+                    "chat_id": settings.OPENCLAW_TG_CHAT_ID,
+                    "message_id": _msg_id,
+                    "reply_markup": {"inline_keyboard": []},
+                })
         except Exception as _e:
-            logger.warning("drift_card_outcome_edit_failed", report_id=report_id, error=str(_e))
+            logger.warning("drift_card_buttons_remove_failed", report_id=report_id, error=str(_e))
+
+        # 送簽核戳訊息（reply_to 原卡片,若有 msg_id）
+        try:
+            _payload: dict = {
+                "chat_id": settings.OPENCLAW_TG_CHAT_ID,
+                "text": _stamp,
+                "parse_mode": "HTML",
+            }
+            if _msg_id:
+                _payload["reply_to_message_id"] = _msg_id
+            await self._send_request("sendMessage", _payload)
+        except Exception as _e:
+            logger.warning("drift_outcome_stamp_send_failed", report_id=report_id, error=str(_e))
 
     # =========================================================================
     # ADR-075: TYPE-8M Meta-System 告警（飛輪/告警鏈路健康）