diff --git a/apps/api/src/services/ai_rate_limiter.py b/apps/api/src/services/ai_rate_limiter.py
index c4213557..0c02d030 100644
--- a/apps/api/src/services/ai_rate_limiter.py
+++ b/apps/api/src/services/ai_rate_limiter.py
@@ -274,14 +274,13 @@ class AIRateLimiter:
 
         try:
             from src.core.config import settings
+            from src.services.telegram_gateway import get_telegram_gateway
 
             target_chat_id = settings.SRE_GROUP_CHAT_ID or settings.OPENCLAW_TG_CHAT_ID
             if not settings.OPENCLAW_TG_BOT_TOKEN or not target_chat_id:
                 logger.warning("telegram_not_configured_for_cost_alert")
                 return
 
-            import httpx
-
             message = (
                 f"🚨🚨🚨 <b>AI 成本超限警報</b> 🚨🚨🚨\n\n"
                 f"Provider: <code>{provider.upper()}</code>\n"
@@ -292,15 +291,15 @@ class AIRateLimiter:
                 f"<code>redis-cli DEL ai_rate:total_cost:{provider}</code>"
             )
 
-            async with httpx.AsyncClient(timeout=10.0) as client:
-                await client.post(
-                    f"https://api.telegram.org/bot{settings.OPENCLAW_TG_BOT_TOKEN}/sendMessage",
-                    json={
-                        "chat_id": target_chat_id,
-                        "text": message,
-                        "parse_mode": "HTML",
-                    },
-                )
+            gateway = get_telegram_gateway()
+            await gateway._send_request(
+                "sendMessage",
+                {
+                    "chat_id": target_chat_id,
+                    "text": message,
+                    "parse_mode": "HTML",
+                },
+            )
 
             logger.error(
                 "ai_cost_alert_sent",
@@ -327,13 +326,12 @@ class AIRateLimiter:
 
         try:
             from src.core.config import settings
+            from src.services.telegram_gateway import get_telegram_gateway
 
             target_chat_id = settings.SRE_GROUP_CHAT_ID or settings.OPENCLAW_TG_CHAT_ID
             if not settings.OPENCLAW_TG_BOT_TOKEN or not target_chat_id:
                 return
 
-            import httpx
-
             limit = COST_LIMITS[provider]["total_cost_usd"]
             remaining = limit - current_cost
 
@@ -345,15 +343,15 @@ class AIRateLimiter:
                 f"接近上限，請注意監控！"
             )
 
-            async with httpx.AsyncClient(timeout=10.0) as client:
-                await client.post(
-                    f"https://api.telegram.org/bot{settings.OPENCLAW_TG_BOT_TOKEN}/sendMessage",
-                    json={
-                        "chat_id": target_chat_id,
-                        "text": message,
-                        "parse_mode": "HTML",
-                    },
-                )
+            gateway = get_telegram_gateway()
+            await gateway._send_request(
+                "sendMessage",
+                {
+                    "chat_id": target_chat_id,
+                    "text": message,
+                    "parse_mode": "HTML",
+                },
+            )
 
             logger.warning(
                 "ai_cost_warning_sent",
diff --git a/apps/api/src/services/approval_execution.py b/apps/api/src/services/approval_execution.py
index 4952cf6e..1387e6a4 100644
--- a/apps/api/src/services/approval_execution.py
+++ b/apps/api/src/services/approval_execution.py
@@ -838,9 +838,9 @@ class ApprovalExecutionService:
                     f"{km_info}"
                 )
 
-            await gateway._http_client.post(
-                f"https://api.telegram.org/bot{settings.OPENCLAW_TG_BOT_TOKEN}/sendMessage",
-                json={
+            await gateway._send_request(
+                "sendMessage",
+                {
                     "chat_id": target_chat_id,
                     "text": text,
                     "parse_mode": "HTML",
diff --git a/apps/api/src/services/post_execution_verifier.py b/apps/api/src/services/post_execution_verifier.py
index b32b55b0..25661759 100644
--- a/apps/api/src/services/post_execution_verifier.py
+++ b/apps/api/src/services/post_execution_verifier.py
@@ -350,9 +350,9 @@ async def _send_rollback_proposal_alert(
         )
 
         target_chat_id = _settings.SRE_GROUP_CHAT_ID or _settings.OPENCLAW_TG_CHAT_ID
-        await gateway._http_client.post(
-            f"https://api.telegram.org/bot{_settings.OPENCLAW_TG_BOT_TOKEN}/sendMessage",
-            json={
+        await gateway._send_request(
+            "sendMessage",
+            {
                 "chat_id": target_chat_id,
                 "text": text,
                 "parse_mode": "HTML",
diff --git a/docs/LOGBOOK.md b/docs/LOGBOOK.md
index e66c5b7d..aeddc943 100644
--- a/docs/LOGBOOK.md
+++ b/docs/LOGBOOK.md
@@ -4399,6 +4399,7 @@ HTTP:
 - 沒有正式 `run_id` 的 legacy 發送使用穩定 soft run id：`awoooi:legacy-telegram:{chat_id}:{provider_message_id}` 的 UUIDv5。
 - legacy 訊息先映射成有限分類：`approval_request`、`final`、`error`，供 AwoooP Run / Timeline 後續彙整。
 - 鏡像採 fail-open：DB / RLS / schema 或 Channel Hub 失敗時只寫 `telegram_outbound_mirror_failed`，不得影響 Telegram 原本送達。
+- 成本告警、審批執行結果、自愈 rollback 提案三條 direct Bot API 發送改為走 `TelegramGateway._send_request()`，發送目標與內容不變，但會進 outbound mirror。
 
 ### 驗證
 
diff --git a/docs/awooop/TELEGRAM-INCIDENT-NOTIFICATION-MODEL.md b/docs/awooop/TELEGRAM-INCIDENT-NOTIFICATION-MODEL.md
index 1107c0f4..107d3436 100644
--- a/docs/awooop/TELEGRAM-INCIDENT-NOTIFICATION-MODEL.md
+++ b/docs/awooop/TELEGRAM-INCIDENT-NOTIFICATION-MODEL.md
@@ -39,6 +39,7 @@ Telegram 不應是完整執行日誌，也不應承載所有 AI 推理細節。T
 - `append_incident_update()` 對同一 incident 的相同狀態做 5 分鐘 Redis 去重。
 - `append_incident_update()` 對相同的「AI 自動修復失敗 / AI 診斷工具失敗」摘要增加 10 分鐘跨 incident 去重；每個 incident 仍會移除原卡危險按鈕，但 Telegram 不再重複 reply 同一個失敗摘要。
 - `TelegramGateway._send_request()` 對成功送出的 legacy `sendMessage` 增加 AwoooP `awooop_outbound_message` 鏡像。鏡像失敗只記錄 `telegram_outbound_mirror_failed`，不能影響 Telegram 正常送達。
+- 成本告警、審批執行結果、自愈 rollback 提案已由 direct Bot API 改走 `TelegramGateway._send_request()`，避免繞過 outbound mirror。
 - 既有 `詳情 / 重診 / 歷史` 按鈕保留，讓 Telegram 保持輕量，細節回到控制台。
 
 ## 後續建議