diff --git a/apps/api/src/services/incident_service.py b/apps/api/src/services/incident_service.py
index db2461ab..378a5fdb 100644
--- a/apps/api/src/services/incident_service.py
+++ b/apps/api/src/services/incident_service.py
@@ -836,6 +836,17 @@ class IncidentService:
         except Exception:
             logger.exception("kb_extract_task_create_failed", incident_id=incident_id)
 
+        # ADR-073 Phase 4-2: resolve 時觸發 KM conversion (2026-04-12 ogt)
+        # 將已解決的 Incident 轉換為結構化 KM 條目，驅動飛輪學習固化節點
+        try:
+            import asyncio
+            from src.services.km_conversion_service import get_km_conversion_service
+            asyncio.create_task(
+                get_km_conversion_service().convert(incident)
+            )
+        except Exception:
+            logger.exception("km_conversion_task_create_failed", incident_id=incident_id)
+
         # 2026-04-07 Claude Code: Sprint 4 B4 — 手動處理推斷
         # I1+S1 Fix: 委託 derive_key_from_incident() 統一推導
         try:
diff --git a/k8s/awoooi-prod/15-cronjob-km-vectorize.yaml b/k8s/awoooi-prod/15-cronjob-km-vectorize.yaml
new file mode 100644
index 00000000..7234db7b
--- /dev/null
+++ b/k8s/awoooi-prod/15-cronjob-km-vectorize.yaml
@@ -0,0 +1,65 @@
+# =============================================================================
+# KM Vectorize CronJob - ADR-073 Phase 4-3 飛輪學習固化
+# =============================================================================
+# 每日 03:00 台北 (19:00 UTC 前一天) 自動向量化新增 KM 條目
+# 確保 RAG 查詢可存取最新知識，完成飛輪「學習固化」節點
+#
+# 2026-04-12 ogt (ADR-073 Phase 4-3)
+# =============================================================================
+
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: km-vectorize
+  namespace: awoooi-prod
+  labels:
+    app: awoooi
+    component: km-vectorize
+    phase: "4-3"
+spec:
+  # 每日 19:00 UTC = 03:00 台北
+  schedule: "0 19 * * *"
+  timeZone: "Asia/Taipei"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 3
+  failedJobsHistoryLimit: 3
+  startingDeadlineSeconds: 300
+  jobTemplate:
+    spec:
+      backoffLimit: 2
+      activeDeadlineSeconds: 300
+      template:
+        metadata:
+          labels:
+            app: awoooi
+            component: km-vectorize
+        spec:
+          restartPolicy: OnFailure
+          containers:
+            - name: km-vectorize
+              image: 192.168.0.110:5000/awoooi-api:latest
+              imagePullPolicy: Always
+              command:
+                - python
+                - -c
+                - |
+                  import asyncio, httpx, os
+                  async def main():
+                      api = os.environ.get("INTERNAL_API_URL", "http://awoooi-api:8000")
+                      async with httpx.AsyncClient(timeout=120) as c:
+                          r = await c.post(f"{api}/api/v1/knowledge/embed-all")
+                          print("embed-all:", r.status_code, r.text[:200])
+                  asyncio.run(main())
+              env:
+                - name: TZ
+                  value: "Asia/Taipei"
+                - name: INTERNAL_API_URL
+                  value: "http://awoooi-api.awoooi-prod.svc.cluster.local:8000"
+              resources:
+                requests:
+                  cpu: "50m"
+                  memory: "64Mi"
+                limits:
+                  cpu: "200m"
+                  memory: "128Mi"
+          serviceAccountName: awoooi-api
diff --git a/k8s/awoooi-prod/kustomization.yaml b/k8s/awoooi-prod/kustomization.yaml
index 15fd0735..c6fdb512 100644
--- a/k8s/awoooi-prod/kustomization.yaml
+++ b/k8s/awoooi-prod/kustomization.yaml
@@ -30,6 +30,7 @@ resources:
 - 09-pdb.yaml
 - 13-cronjob-k3s-report.yaml
 - 14-cronjob-weekly-report.yaml
+- 15-cronjob-km-vectorize.yaml
 
 # 映像配置 (Tag 由 CI 動態注入)
 # Harbor 金庫: 110 主機 (192.168.0.110:5000)