diff --git a/services/aider_heal_executor.py b/services/aider_heal_executor.py
index 566c17d..0e47483 100644
--- a/services/aider_heal_executor.py
+++ b/services/aider_heal_executor.py
@@ -154,15 +154,26 @@ def _wait_for_health(
 
 
 def _notify_telegram(message_html: str) -> None:
-    """非阻塞通知，失敗靜默忽略。"""
+    """
+    非阻塞通知，失敗靜默忽略。
+
+    ADR-019 Phase 5: 改走 EventRouter 統一入口（event_type=aider_heal_event,
+    severity=warning，會走 L0/L1 由 EventRouter 內部分流）。失敗仍靜默 pass，
+    caller 行為不變。
+    """
     if not TELEGRAM_BOT_TOKEN or not TELEGRAM_CHAT_ID:
         return
     try:
-        requests.post(
-            f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage",
-            json={"chat_id": TELEGRAM_CHAT_ID, "text": message_html, "parse_mode": "HTML"},
-            timeout=5,
-        )
+        from services.event_router import dispatch_sync
+        dispatch_sync(event={
+            "event_type": "aider_heal_event",
+            "severity":   "warning",
+            "source":     "AiderHealExecutor",
+            "title":      "Aider 自動修復通知",
+            "summary":    message_html[:400],
+            "status":     "heal_notification",
+            "payload":    {"raw_message_html": message_html},
+        }, admin_chat_ids=[TELEGRAM_CHAT_ID])
     except Exception:
         pass