diff --git a/apps/api/src/services/telegram_gateway.py b/apps/api/src/services/telegram_gateway.py
index d7544c30..304b8cf6 100644
--- a/apps/api/src/services/telegram_gateway.py
+++ b/apps/api/src/services/telegram_gateway.py
@@ -1860,6 +1860,8 @@ class TelegramGateway:
                     nemotron_validation=nemotron_validation,
                     nemotron_latency_ms=nemotron_latency_ms,
                     incident_id=incident_id,
+                    alert_category=alert_category,
+                    notification_type=notification_type,
                 )
             )
 
@@ -1893,6 +1895,8 @@ class TelegramGateway:
         nemotron_validation: str = "",
         nemotron_latency_ms: float = 0.0,
         incident_id: str = "",
+        alert_category: str = "",
+        notification_type: str = "",
     ) -> None:
         """
         發送告警卡片到 SRE 群組 — 與個人 chat 相同的完整 v7.0 格式
@@ -1940,7 +1944,16 @@ class TelegramGateway:
                 nemotron_latency_ms=nemotron_latency_ms,
             )
             text = message.format_with_nemotron() if nemotron_enabled else message.format()
-            resp = await self.send_to_group(text=text)
+
+            # 2026-04-25 ogt + Claude Sonnet 4.6: 群組卡片使用完整 _build_inline_keyboard
+            # 統帥決策: 群組成員為受信任 SRE，完整批准/拒絕/暫默/詳情/重診/歷史按鈕從 DM 移植至群組
+            _group_keyboard = self._build_inline_keyboard(
+                approval_id=approval_id,
+                incident_id=incident_id,
+                alert_category=alert_category,
+                notification_type=notification_type,
+            )
+            resp = await self.send_to_group(text=text, reply_markup=_group_keyboard)
 
             # 2026-04-10 Claude Sonnet 4.6: 儲存 message_id 到 Redis，供 append_incident_update 使用
             # tg_msg:{incident_id} → Telegram message_id (TTL 24h)
@@ -1967,10 +1980,13 @@ class TelegramGateway:
         severity: str = "info",
     ) -> dict:
         """
-        TYPE-1 純資訊通知 — 無按鈕，FYI 類告警
+        TYPE-1 純資訊通知 — FYI 類告警
 
         用於: severity=info 成功類 / Backup 完成 / AlertChainHealthy 等
-        格式: 簡潔文字，無 InlineKeyboard
+        格式: 簡潔文字 + [詳情][歷史] 查類按鈕（read-only，2-part info 格式，ADR-050）
+
+        2026-04-25 ogt + Claude Sonnet 4.6: 補充 read-only 按鈕（鬼魂按鈕鐵律：
+        detail/history 已有 handler 且無副作用，符合三條件才加）
 
         Args:
             incident_id: 事件 ID
@@ -1987,16 +2003,23 @@ class TelegramGateway:
         )
         if alertname:
             text += f"🔔 告警: <code>{html.escape(alertname)}</code>\n"
-        text += (
-            f"\n{html.escape(message)}\n"
-            f"\n<i>此為純資訊通知，無需操作。</i>"
-        )
+        text += f"\n{html.escape(message)}"
+
+        # read-only 查類按鈕（2-part info 格式，handler 已在 handle_callback 實作）
+        # detail/history 均在 INFO_ACTIONS 白名單，無 nonce 無副作用
+        keyboard = {
+            "inline_keyboard": [[
+                {"text": "📋 詳情", "callback_data": f"detail:{incident_id}"},
+                {"text": "📊 歷史", "callback_data": f"history:{incident_id}"},
+            ]]
+        }
         return await self._send_request(
             "sendMessage",
             {
                 "chat_id": settings.OPENCLAW_TG_CHAT_ID,
                 "text": text,
                 "parse_mode": "HTML",
+                "reply_markup": keyboard,
             },
         )