From ccffaa5f3ede23e22062575b46ac9ec6f4e850bb Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Mon, 4 May 2026 14:11:32 +0800
Subject: [PATCH] =?UTF-8?q?fix(telegram):=20=E8=A3=9C=20send=5Ftext=20?=
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 =?UTF-8?q?=E5=BE=A9=20drift=5Fadopt=5Ftelegram=5Ffailed?=
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drift_adopt_service / drift_remediator / runbook_generator / signoz_webhook
均呼叫 tg.send_text()，但 TelegramGateway 缺少此公開方法，
導致每次呼叫拋出 AttributeError。

新增 send_text() 委派至 _send_request('sendMessage')，
預設 chat_id = alert_chat_id（SRE 群組），支援 HTML parse_mode。
不動任何呼叫方，不改 dedup / nonce 邏輯。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 apps/api/src/services/telegram_gateway.py | 35 +++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/apps/api/src/services/telegram_gateway.py b/apps/api/src/services/telegram_gateway.py
index 17e3fcd2..bcb6ba98 100644
--- a/apps/api/src/services/telegram_gateway.py
+++ b/apps/api/src/services/telegram_gateway.py
@@ -4961,6 +4961,41 @@ class TelegramGateway:
             payload["reply_markup"] = reply_markup
         return await self._send_request("sendMessage", payload)
 
+    # =========================================================================
+    # 2026-05-04 Claude Sonnet 4.6: send_text 公開 wrapper（修復 drift_adopt_telegram_failed）
+    # =========================================================================
+
+    async def send_text(
+        self,
+        text: str,
+        chat_id: int | str | None = None,
+        parse_mode: str = "HTML",
+        disable_web_page_preview: bool = True,
+    ) -> dict:
+        """
+        公開 send_text wrapper — 委派至 _send_request('sendMessage', ...)
+
+        給 drift_adopt_service / drift_remediator / runbook_generator /
+        signoz_webhook 等服務使用的通用純文字送出方法。
+        預設送往 alert_chat_id（SRE 群組）。
+
+        Args:
+            text: 訊息內容（最多 4096 字元）
+            chat_id: 目標 chat ID，None 時使用 alert_chat_id
+            parse_mode: 解析模式（預設 HTML）
+            disable_web_page_preview: 是否關閉網頁預覽
+
+        Returns:
+            dict: Telegram API 回應
+        """
+        payload: dict = {
+            "chat_id": chat_id or self.alert_chat_id,
+            "text": text[:4096],
+            "parse_mode": parse_mode,
+            "disable_web_page_preview": disable_web_page_preview,
+        }
+        return await self._send_request("sendMessage", payload)
+
     # =========================================================================
     # 2026-04-24 Claude Sonnet 4.6 (ADR-095 WS4): Hermes NL 回覆
     # =========================================================================