diff --git a/apps/api/src/services/notification_matrix.py b/apps/api/src/services/notification_matrix.py
index c82b6a25b..721621107 100644
--- a/apps/api/src/services/notification_matrix.py
+++ b/apps/api/src/services/notification_matrix.py
@@ -28,14 +28,14 @@ class RoutingRule:
 
 
 # ADR-093 D1-D4 路由矩陣
-# TYPE-5S / TYPE-7E 暫留 DM（v2 再討論）
+# 2026-04-25 ogt: TYPE-5S 從 DM 改為 GROUP — SignOz webhook 屬監控告警，SRE 全員可見
 NOTIFICATION_ROUTING: dict[str, RoutingRule] = {
     "TYPE-1":  RoutingRule(Destination.GROUP),
     "TYPE-2":  RoutingRule(Destination.BOTH, strip_buttons_for_group=True),
     "TYPE-3":  RoutingRule(Destination.GROUP),
     "TYPE-4":  RoutingRule(Destination.GROUP),
     "TYPE-4D": RoutingRule(Destination.GROUP),
-    "TYPE-5S": RoutingRule(Destination.DM),
+    "TYPE-5S": RoutingRule(Destination.GROUP),
     "TYPE-6B": RoutingRule(Destination.GROUP),
     "TYPE-7E": RoutingRule(Destination.BOTH, strip_buttons_for_group=False),
     "TYPE-8M": RoutingRule(Destination.GROUP),
diff --git a/k8s/awoooi-dev/02-configmap.yaml b/k8s/awoooi-dev/02-configmap.yaml
index ab24347fc..10ddbd0e5 100644
--- a/k8s/awoooi-dev/02-configmap.yaml
+++ b/k8s/awoooi-dev/02-configmap.yaml
@@ -48,6 +48,7 @@ data:
   SHADOW_MODE_LOG_ONLY: "false"
 
   # 2026-04-25: Hermes × 12-Agent（ADR-093/094/095）— dev 可先開啟測試
-  TG_GROUP_CUTOVER: "false"
+  # 2026-04-25 ogt: 全切群組 — 同步 prod，所有告警轉 SRE 群組
+  TG_GROUP_CUTOVER: "true"
   HERMES_NL_ENABLED: "false"
   ENABLE_12AGENT_CONSENSUS: "false"
diff --git a/k8s/awoooi-prod/04-configmap.yaml b/k8s/awoooi-prod/04-configmap.yaml
index 12af8d2fc..e96e91a8d 100644
--- a/k8s/awoooi-prod/04-configmap.yaml
+++ b/k8s/awoooi-prod/04-configmap.yaml
@@ -154,6 +154,7 @@ data:
   AIOPS_P6_TRUST_DRIFT_DETECTOR: "true"
   # 2026-04-25 ogt + Claude Sonnet 4.6: Hermes × 12-Agent 整合（ADR-093/094/095）
   # 2026-04-25 ogt: HERMES_NL_ENABLED 開啟 — polling 路徑已接入 @tsenyangbot @mention → Hermes NL
-  TG_GROUP_CUTOVER: "false"
+  # 2026-04-25 ogt: 全切群組 — 所有告警轉 SRE 戰情室 (TG_GROUP_CUTOVER 正式啟用)
+  TG_GROUP_CUTOVER: "true"
   HERMES_NL_ENABLED: "true"
   ENABLE_12AGENT_CONSENSUS: "false"