fix(infra): Sprint 3 自動修復全鏈路修復 — docker-188 SSH egress + service registry 擴充

NetworkPolicy: 新增 192.168.0.188:22 egress — repair-bot-188.sh 執行路徑
service-registry.yaml: 新增 signoz/bitan-app (AUTO, 188主機)

修復覆蓋: Bug #11 補完 (188 SSH) + 188 服務分級覆蓋
E2E 驗證: MoWoooWorkDown → SSH → REPAIR_OK:momo-app (3791ms)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

ops/config/service-registry.yaml

@@ -170,6 +170,19 @@ services:
     stateful_level: AUTO
     containers: ["langfuse-web", "langfuse-worker"]
 
+  - name: signoz
+    display_name: "SignOz (APM)"
+    host: "192.168.0.188"
+    stateful_level: AUTO
+    reason: "APM 無狀態查詢層，docker compose up -d 可恢復（ClickHouse 資料不受影響）"
+    containers: ["signoz"]
+
+  - name: bitan-app
+    display_name: "Bitan App"
+    host: "192.168.0.188"
+    stateful_level: AUTO
+    containers: ["bitan-app"]
+
   - name: ollama
     display_name: "Ollama (Local LLM)"
     host: "192.168.0.188"