diff --git a/apps/fc-devicemgmt/1password-item.yaml b/apps/fc-devicemgmt/1password-item.yaml
new file mode 100644
index 0000000..748bee5
--- /dev/null
+++ b/apps/fc-devicemgmt/1password-item.yaml
@@ -0,0 +1,26 @@
+# Runtime secrets for FlowerCore.DeviceManagement.
+#
+# OnePasswordItem operator syncs this item into a Kubernetes Secret with the
+# same name. Expected fields:
+#   DB-Password
+#   mtls-ca.pem
+#   mtls-client.crt
+#   mtls-client.key
+#   mtls-chain.pem
+#
+# Do not add literal secret values to this repo. Runtime pods consume the
+# synced Secret through env vars and read-only mounts.
+apiVersion: onepassword.com/v1
+kind: OnePasswordItem
+metadata:
+  name: fc-devicemgmt-runtime
+  namespace: fc-devicemgmt
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt
+    app.kubernetes.io/component: secrets
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+spec:
+  itemPath: "vaults/IAmWorkin/items/FlowerCore DeviceManagement Runtime"
diff --git a/apps/fc-devicemgmt/argocd-application.yaml b/apps/fc-devicemgmt/argocd-application.yaml
new file mode 100644
index 0000000..1e7ede8
--- /dev/null
+++ b/apps/fc-devicemgmt/argocd-application.yaml
@@ -0,0 +1,33 @@
+# Explicit ArgoCD Application shape for bootstrap/review.
+#
+# The live bluejay-infra ApplicationSet already discovers apps/* directories
+# and creates this same Application name (`infra-fc-devicemgmt`) automatically.
+# Keep repoURL on the internal Gitea ClusterIP URL; ArgoCD does not trust the
+# external step-ca HTTPS endpoint.
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: infra-fc-devicemgmt
+  namespace: argocd
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+spec:
+  project: default
+  source:
+    repoURL: http://gitea-clusterip.gitea.svc.cluster.local:3000/bluejay/bluejay-infra.git
+    targetRevision: main
+    path: apps/fc-devicemgmt
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: fc-devicemgmt
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true
+      - ServerSideApply=true
diff --git a/apps/fc-devicemgmt/certificate-web.yaml b/apps/fc-devicemgmt/certificate-web.yaml
new file mode 100644
index 0000000..4d23c20
--- /dev/null
+++ b/apps/fc-devicemgmt/certificate-web.yaml
@@ -0,0 +1,30 @@
+# Certificate for devices.iamworkin.lan.
+#
+# Preflight gate: FlowerCore.DNS / pfSense must contain an explicit A record:
+#   devices.iamworkin.lan -> 10.0.56.200
+# before this Certificate is synced. step-ca ACME cannot see the CoreDNS
+# wildcard, so missing pfSense DNS produces cert-manager HTTP-01 backoff
+# (feedback_pfsense_dns_required_for_acme).
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: fc-devicemgmt-web-tls
+  namespace: fc-devicemgmt
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt-web
+    app.kubernetes.io/component: web
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+  annotations:
+    flowercore.io/dns-preflight: "devices.iamworkin.lan must resolve to 10.0.56.200 before ACME sync"
+spec:
+  secretName: fc-devicemgmt-web-tls
+  issuerRef:
+    name: step-ca-acme
+    kind: ClusterIssuer
+  dnsNames:
+    - devices.iamworkin.lan
+  duration: 720h
+  renewBefore: 240h
diff --git a/apps/fc-devicemgmt/clusterrole-operator.yaml b/apps/fc-devicemgmt/clusterrole-operator.yaml
new file mode 100644
index 0000000..400f91f
--- /dev/null
+++ b/apps/fc-devicemgmt/clusterrole-operator.yaml
@@ -0,0 +1,81 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: fc-devicemgmt-operator
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt-operator
+    app.kubernetes.io/component: operator
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+rules:
+  - apiGroups:
+      - devices.flowercore.io
+    resources:
+      - '*'
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
+  - apiGroups:
+      - devices.flowercore.io
+    resources:
+      - devices/status
+      - devices/finalizers
+      - devicegroups/status
+      - devicegroups/finalizers
+      - devicepolicies/status
+      - devicepolicies/finalizers
+      - remotecommands/status
+      - remotecommands/finalizers
+    verbs:
+      - get
+      - update
+      - patch
+  - apiGroups:
+      - apps
+    resources:
+      - deployments
+    verbs:
+      - get
+  - apiGroups:
+      - ""
+    resources:
+      - pods
+      - services
+      - configmaps
+      - secrets
+      - events
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
+  - apiGroups:
+      - batch
+    resources:
+      - jobs
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
+  - apiGroups:
+      - networking.k8s.io
+    resources:
+      - networkpolicies
+    verbs:
+      - get
+      - list
+      - watch
diff --git a/apps/fc-devicemgmt/clusterrolebinding-operator.yaml b/apps/fc-devicemgmt/clusterrolebinding-operator.yaml
new file mode 100644
index 0000000..2b85897
--- /dev/null
+++ b/apps/fc-devicemgmt/clusterrolebinding-operator.yaml
@@ -0,0 +1,19 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: fc-devicemgmt-operator
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt-operator
+    app.kubernetes.io/component: operator
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: fc-devicemgmt-operator
+subjects:
+  - kind: ServiceAccount
+    name: fc-devicemgmt-operator
+    namespace: fc-devicemgmt
diff --git a/apps/fc-devicemgmt/deployment-operator.yaml b/apps/fc-devicemgmt/deployment-operator.yaml
new file mode 100644
index 0000000..a4ec080
--- /dev/null
+++ b/apps/fc-devicemgmt/deployment-operator.yaml
@@ -0,0 +1,109 @@
+# FlowerCore.DeviceManagement Operator.
+#
+# KubeOps controller for devices.flowercore.io resources. Operator-created
+# children must set OwnerReferences + traceability labels/annotations per
+# k8s-pod-ownership-and-traceability-standard.md. RBAC below grants
+# apps/deployments/get so the process can resolve its own Deployment UID.
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: fc-devicemgmt-operator
+  namespace: fc-devicemgmt
+  labels:
+    app: fc-devicemgmt-operator
+    app.kubernetes.io/name: fc-devicemgmt-operator
+    app.kubernetes.io/component: operator
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+  annotations:
+    flowercore.io/traceability-standard: k8s-pod-ownership-and-traceability-standard
+spec:
+  replicas: 1
+  revisionHistoryLimit: 3
+  selector:
+    matchLabels:
+      app: fc-devicemgmt-operator
+  template:
+    metadata:
+      labels:
+        app: fc-devicemgmt-operator
+        app.kubernetes.io/name: fc-devicemgmt-operator
+        app.kubernetes.io/component: operator
+        app.kubernetes.io/part-of: flowercore
+        app.kubernetes.io/managed-by: argocd
+        flowercore.io/tenant-id: system
+        flowercore.io/created-by: bluejay-infra
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "8080"
+        prometheus.io/path: "/metrics"
+        flowercore.io/audit-trace-id: "runtime-activity-trace"
+    spec:
+      serviceAccountName: fc-devicemgmt-operator
+      securityContext:
+        fsGroup: 1654
+        fsGroupChangePolicy: OnRootMismatch
+      containers:
+        - name: operator
+          image: localhost/fc-devicemgmt-operator:v20260512-cx5
+          imagePullPolicy: Never
+          ports:
+            - name: metrics
+              containerPort: 8080
+          env:
+            - name: ASPNETCORE_ENVIRONMENT
+              value: "Production"
+            - name: DOTNET_SYSTEM_GLOBALIZATION_INVARIANT
+              value: "false"
+            - name: POD_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+            - name: FLOWERCORE_KUBERNETES_OWNER_DEPLOYMENT
+              value: "fc-devicemgmt-operator"
+            - name: FlowerCore__Service__Name
+              value: "FlowerCore.DeviceManagement.Operator"
+            - name: FlowerCore__DeviceManagement__DefaultTenantId
+              value: "system"
+          resources:
+            requests:
+              cpu: 50m
+              memory: 128Mi
+            limits:
+              cpu: 500m
+              memory: 512Mi
+          readinessProbe:
+            tcpSocket:
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          livenessProbe:
+            tcpSocket:
+              port: 8080
+            initialDelaySeconds: 20
+            periodSeconds: 30
+          securityContext:
+            runAsNonRoot: true
+            runAsUser: 1654
+            runAsGroup: 1654
+            allowPrivilegeEscalation: false
+            readOnlyRootFilesystem: true
+            capabilities:
+              drop:
+                - ALL
+          volumeMounts:
+            - name: tmp
+              mountPath: /tmp
+            - name: logs
+              mountPath: /app/logs
+      volumes:
+        - name: tmp
+          emptyDir: {}
+        - name: logs
+          emptyDir: {}
diff --git a/apps/fc-devicemgmt/deployment-web.yaml b/apps/fc-devicemgmt/deployment-web.yaml
new file mode 100644
index 0000000..41651cb
--- /dev/null
+++ b/apps/fc-devicemgmt/deployment-web.yaml
@@ -0,0 +1,135 @@
+# FlowerCore.DeviceManagement Web.
+#
+# Source repo is expected to ship FlowerCore.DeviceManagement.Web in a later
+# Sprint 9+ lane. This manifest is static-valid without requiring the image to
+# exist yet; import localhost/fc-devicemgmt-web:<tag> to all schedulable RKE2
+# nodes before letting ArgoCD sync a live rollout.
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: fc-devicemgmt-web
+  namespace: fc-devicemgmt
+  labels:
+    app: fc-devicemgmt-web
+    app.kubernetes.io/name: fc-devicemgmt-web
+    app.kubernetes.io/component: web
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+  annotations:
+    flowercore.io/traceability-standard: k8s-pod-ownership-and-traceability-standard
+spec:
+  replicas: 2
+  revisionHistoryLimit: 3
+  selector:
+    matchLabels:
+      app: fc-devicemgmt-web
+  template:
+    metadata:
+      labels:
+        app: fc-devicemgmt-web
+        app.kubernetes.io/name: fc-devicemgmt-web
+        app.kubernetes.io/component: web
+        app.kubernetes.io/part-of: flowercore
+        app.kubernetes.io/managed-by: argocd
+        flowercore.io/tenant-id: system
+        flowercore.io/created-by: bluejay-infra
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "8080"
+        prometheus.io/path: "/metrics"
+        flowercore.io/audit-trace-id: "runtime-activity-trace"
+    spec:
+      securityContext:
+        fsGroup: 1654
+        fsGroupChangePolicy: OnRootMismatch
+      containers:
+        - name: web
+          image: localhost/fc-devicemgmt-web:v20260512-cx5
+          imagePullPolicy: Never
+          ports:
+            - name: http
+              containerPort: 8080
+          env:
+            - name: ASPNETCORE_URLS
+              value: "http://+:8080"
+            - name: ASPNETCORE_ENVIRONMENT
+              value: "Production"
+            - name: DOTNET_SYSTEM_GLOBALIZATION_INVARIANT
+              value: "false"
+            - name: FlowerCore__Service__Name
+              value: "FlowerCore.DeviceManagement.Web"
+            - name: FlowerCore__DeviceManagement__DefaultTenantId
+              value: "system"
+            - name: FlowerCore__Database__Provider
+              value: "MySql"
+            - name: FlowerCore__Database__Host
+              value: "mysql.fc-mysql.svc"
+            - name: FlowerCore__Database__Database
+              value: "flowercore_devicemgmt"
+            - name: FlowerCore__Database__User
+              value: "fc_devicemgmt"
+            - name: FlowerCore__Database__Password
+              valueFrom:
+                secretKeyRef:
+                  name: fc-devicemgmt-runtime
+                  key: DB-Password
+            - name: FlowerCore__DeviceManagement__AgentMtls__CaPath
+              value: "/secrets/devicemgmt-mtls/mtls-ca.pem"
+            - name: FlowerCore__DeviceManagement__AgentMtls__ClientCertificatePath
+              value: "/secrets/devicemgmt-mtls/mtls-client.crt"
+            - name: FlowerCore__DeviceManagement__AgentMtls__ClientKeyPath
+              value: "/secrets/devicemgmt-mtls/mtls-client.key"
+            - name: FlowerCore__EventBus__Redis__Configuration
+              value: "redis.fc-redis.svc:6379"
+          resources:
+            requests:
+              cpu: 100m
+              memory: 256Mi
+            limits:
+              cpu: 1000m
+              memory: 768Mi
+          startupProbe:
+            tcpSocket:
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 5
+            failureThreshold: 30
+          readinessProbe:
+            tcpSocket:
+              port: 8080
+            periodSeconds: 10
+            failureThreshold: 3
+          livenessProbe:
+            tcpSocket:
+              port: 8080
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            failureThreshold: 3
+          securityContext:
+            runAsNonRoot: true
+            runAsUser: 1654
+            runAsGroup: 1654
+            allowPrivilegeEscalation: false
+            readOnlyRootFilesystem: true
+            capabilities:
+              drop:
+                - ALL
+          volumeMounts:
+            - name: tmp
+              mountPath: /tmp
+            - name: logs
+              mountPath: /app/logs
+            - name: devicemgmt-mtls
+              mountPath: /secrets/devicemgmt-mtls
+              readOnly: true
+      volumes:
+        - name: tmp
+          emptyDir: {}
+        - name: logs
+          emptyDir: {}
+        - name: devicemgmt-mtls
+          secret:
+            secretName: fc-devicemgmt-runtime
+            defaultMode: 0400
diff --git a/apps/fc-devicemgmt/ingressroute-web.yaml b/apps/fc-devicemgmt/ingressroute-web.yaml
new file mode 100644
index 0000000..0e69b54
--- /dev/null
+++ b/apps/fc-devicemgmt/ingressroute-web.yaml
@@ -0,0 +1,55 @@
+# LAN ingress for FlowerCore.DeviceManagement Web.
+#
+# RKE2 Traefik has no built-in ACME resolver configured. Keep TLS certificate
+# ownership in cert-manager Certificate/fc-devicemgmt-web-tls.
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: fc-devicemgmt-web
+  namespace: fc-devicemgmt
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt-web
+    app.kubernetes.io/component: web
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`devices.iamworkin.lan`)
+      kind: Rule
+      services:
+        - name: fc-devicemgmt-web
+          port: 80
+  tls:
+    secretName: fc-devicemgmt-web-tls
+
+# Future public agent/update host gate (OFF by default):
+#
+# Do not enable `update.flowercore.io` here until Authentik OIDC Q-OIDC-1
+# resolves the public-device-management auth model and route ownership with
+# UpdateCenter. When enabled, use a separate public IngressRoute with an
+# explicit Method allowlist, public-host auth middleware, and public TLS
+# certificate strategy. Leaving this as comments keeps ArgoCD from stealing
+# live UpdateCenter traffic.
+#
+# apiVersion: traefik.io/v1alpha1
+# kind: IngressRoute
+# metadata:
+#   name: fc-devicemgmt-web-public
+#   namespace: fc-devicemgmt
+#   annotations:
+#     flowercore.io/public-host-gate: "disabled-until-Q-OIDC-1"
+# spec:
+#   entryPoints:
+#     - websecure
+#   routes:
+#     - match: Host(`update.flowercore.io`) && (Method(`GET`) || Method(`HEAD`) || Method(`POST`) || Method(`OPTIONS`))
+#       kind: Rule
+#       services:
+#         - name: fc-devicemgmt-web
+#           port: 80
+#   tls:
+#     secretName: fc-devicemgmt-public-tls
diff --git a/apps/fc-devicemgmt/namespace.yaml b/apps/fc-devicemgmt/namespace.yaml
new file mode 100644
index 0000000..b9925c6
--- /dev/null
+++ b/apps/fc-devicemgmt/namespace.yaml
@@ -0,0 +1,13 @@
+# FlowerCore.DeviceManagement namespace.
+#
+# ArgoCD discovers this directory as Application `infra-fc-devicemgmt`.
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: fc-devicemgmt
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
diff --git a/apps/fc-devicemgmt/network-policy.yaml b/apps/fc-devicemgmt/network-policy.yaml
new file mode 100644
index 0000000..91e07e0
--- /dev/null
+++ b/apps/fc-devicemgmt/network-policy.yaml
@@ -0,0 +1,224 @@
+# FlowerCore.DeviceManagement NetworkPolicies.
+#
+# NetworkPolicies belong in bluejay-infra so ArgoCD owns rebuild state.
+# Rules include Traefik post-DNAT backend ports per
+# feedback_netpol_dnat_backend_port and Synology NFS egress for the requested
+# cold-tier / future artifact path.
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fc-devicemgmt-web-isolation
+  namespace: fc-devicemgmt
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt-web
+    app.kubernetes.io/component: web
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+spec:
+  podSelector:
+    matchLabels:
+      app: fc-devicemgmt-web
+  policyTypes:
+    - Ingress
+    - Egress
+  ingress:
+    # LAN edge: only cluster Traefik should reach the Web pod for
+    # devices.iamworkin.lan.
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik-system
+          podSelector:
+            matchLabels:
+              app.kubernetes.io/name: traefik
+      ports:
+        - port: 8080
+          protocol: TCP
+    # Direct LAN diagnostics are allowed only from FlowerCore LAN/VPN ranges.
+    - from:
+        - ipBlock:
+            cidr: 10.0.56.0/24
+        - ipBlock:
+            cidr: 10.0.57.0/24
+        - ipBlock:
+            cidr: 10.0.58.0/24
+        - ipBlock:
+            cidr: 10.0.68.0/27
+      ports:
+        - port: 8080
+          protocol: TCP
+  egress:
+    # CoreDNS.
+    - to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: kube-system
+          podSelector:
+            matchLabels:
+              k8s-app: kube-dns
+      ports:
+        - port: 53
+          protocol: UDP
+        - port: 53
+          protocol: TCP
+    # Database namespace.
+    - to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: fc-mysql
+      ports:
+        - port: 3306
+          protocol: TCP
+    # Redis backplane for multi-replica SignalR / live-status fan-out.
+    - to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: fc-redis
+      ports:
+        - port: 6379
+          protocol: TCP
+    # Traefik VIP / in-cluster Traefik for self-callbacks and public URL
+    # generation tests. Include post-DNAT backend ports 8443 + 8080.
+    - to:
+        - ipBlock:
+            cidr: 10.0.56.200/32
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik-system
+          podSelector:
+            matchLabels:
+              app.kubernetes.io/name: traefik
+      ports:
+        - port: 80
+          protocol: TCP
+        - port: 443
+          protocol: TCP
+        - port: 8080
+          protocol: TCP
+        - port: 8443
+          protocol: TCP
+    # Agent egress: LAN/VPN devices may run DM Agent in Generic, Kiosk, Pi,
+    # ThinClient, or Server mode. Keep this private-range only.
+    - to:
+        - ipBlock:
+            cidr: 10.0.56.0/24
+        - ipBlock:
+            cidr: 10.0.57.0/24
+        - ipBlock:
+            cidr: 10.0.58.0/24
+        - ipBlock:
+            cidr: 10.0.68.0/27
+      ports:
+        - port: 80
+          protocol: TCP
+        - port: 443
+          protocol: TCP
+        - port: 8080
+          protocol: TCP
+        - port: 8443
+          protocol: TCP
+        - port: 5000
+          protocol: TCP
+        - port: 5001
+          protocol: TCP
+    # Synology NFS cold-tier / artifact mount allowance.
+    - to:
+        - ipBlock:
+            cidr: 10.0.58.3/32
+      ports:
+        - port: 2049
+          protocol: TCP
+        - port: 2049
+          protocol: UDP
+        - port: 111
+          protocol: TCP
+        - port: 111
+          protocol: UDP
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fc-devicemgmt-operator-isolation
+  namespace: fc-devicemgmt
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt-operator
+    app.kubernetes.io/component: operator
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+spec:
+  podSelector:
+    matchLabels:
+      app: fc-devicemgmt-operator
+  policyTypes:
+    - Ingress
+    - Egress
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: monitoring
+      ports:
+        - port: 8080
+          protocol: TCP
+  egress:
+    # CoreDNS.
+    - to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: kube-system
+          podSelector:
+            matchLabels:
+              k8s-app: kube-dns
+      ports:
+        - port: 53
+          protocol: UDP
+        - port: 53
+          protocol: TCP
+    # Kubernetes API for KubeOps reconciliation and Deployment UID lookup.
+    - to: []
+      ports:
+        - port: 443
+          protocol: TCP
+        - port: 6443
+          protocol: TCP
+    # Agent egress for operator-initiated probes / fallback command dispatch.
+    - to:
+        - ipBlock:
+            cidr: 10.0.56.0/24
+        - ipBlock:
+            cidr: 10.0.57.0/24
+        - ipBlock:
+            cidr: 10.0.58.0/24
+        - ipBlock:
+            cidr: 10.0.68.0/27
+      ports:
+        - port: 80
+          protocol: TCP
+        - port: 443
+          protocol: TCP
+        - port: 8080
+          protocol: TCP
+        - port: 8443
+          protocol: TCP
+        - port: 5000
+          protocol: TCP
+        - port: 5001
+          protocol: TCP
+    # Synology NFS allowance for future cold-tier/audit archival jobs.
+    - to:
+        - ipBlock:
+            cidr: 10.0.58.3/32
+      ports:
+        - port: 2049
+          protocol: TCP
+        - port: 2049
+          protocol: UDP
+        - port: 111
+          protocol: TCP
+        - port: 111
+          protocol: UDP
diff --git a/apps/fc-devicemgmt/service-web.yaml b/apps/fc-devicemgmt/service-web.yaml
new file mode 100644
index 0000000..2c9eb5d
--- /dev/null
+++ b/apps/fc-devicemgmt/service-web.yaml
@@ -0,0 +1,22 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: fc-devicemgmt-web
+  namespace: fc-devicemgmt
+  labels:
+    app: fc-devicemgmt-web
+    app.kubernetes.io/name: fc-devicemgmt-web
+    app.kubernetes.io/component: web
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
+spec:
+  type: ClusterIP
+  selector:
+    app: fc-devicemgmt-web
+  ports:
+    - name: http
+      port: 80
+      targetPort: 8080
+      protocol: TCP
diff --git a/apps/fc-devicemgmt/serviceaccount-operator.yaml b/apps/fc-devicemgmt/serviceaccount-operator.yaml
new file mode 100644
index 0000000..8b1fef5
--- /dev/null
+++ b/apps/fc-devicemgmt/serviceaccount-operator.yaml
@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: fc-devicemgmt-operator
+  namespace: fc-devicemgmt
+  labels:
+    app.kubernetes.io/name: fc-devicemgmt-operator
+    app.kubernetes.io/component: operator
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/tenant-id: system
+    flowercore.io/created-by: bluejay-infra
diff --git a/tests/bluejay-infra-lint/FleetManifestLintTests.cs b/tests/bluejay-infra-lint/FleetManifestLintTests.cs
index 4bba10f..d12bb79 100644
--- a/tests/bluejay-infra-lint/FleetManifestLintTests.cs
+++ b/tests/bluejay-infra-lint/FleetManifestLintTests.cs
@@ -291,6 +291,184 @@ public sealed class FleetManifestLintTests
         violations.Should().BeEmpty();
     }
 
+    [Fact]
+    public void FcDeviceManagement_MustShipExpectedManifestSet()
+    {
+        var appRoot = Path.Combine(Inventory.BluejayRoot, "apps", "fc-devicemgmt");
+        Directory.Exists(appRoot).Should().BeTrue("Sprint 8 Cx-5 owns apps/fc-devicemgmt.");
+
+        var expectedFiles = new[]
+        {
+            "1password-item.yaml",
+            "argocd-application.yaml",
+            "certificate-web.yaml",
+            "clusterrole-operator.yaml",
+            "clusterrolebinding-operator.yaml",
+            "deployment-operator.yaml",
+            "deployment-web.yaml",
+            "ingressroute-web.yaml",
+            "namespace.yaml",
+            "network-policy.yaml",
+            "service-web.yaml",
+            "serviceaccount-operator.yaml",
+        };
+
+        Directory.GetFiles(appRoot, "*.yaml")
+            .Select(Path.GetFileName)
+            .Should()
+            .BeEquivalentTo(expectedFiles);
+
+        foreach (var expectedFile in expectedFiles)
+        {
+            FcDeviceManagementDocuments()
+                .Should()
+                .Contain(document => document.RelativePath == $"fc-devicemgmt/{expectedFile}");
+        }
+    }
+
+    [Fact]
+    public void FcDeviceManagement_ObjectsMustCarryStandardTraceabilityLabels()
+    {
+        var requiredLabels = new[]
+        {
+            "app.kubernetes.io/name",
+            "app.kubernetes.io/part-of",
+            "app.kubernetes.io/managed-by",
+            "flowercore.io/tenant-id",
+            "flowercore.io/created-by",
+        };
+
+        var violations = FcDeviceManagementDocuments()
+            .SelectMany(document => requiredLabels
+                .Where(label => string.IsNullOrWhiteSpace(document.Scalar("metadata", "labels", label)))
+                .Select(label => $"{document.Descriptor} is missing metadata.labels['{label}']."))
+            .Concat(FcDeviceManagementDocuments()
+                .Where(document => document.Kind == "Deployment")
+                .SelectMany(document => requiredLabels
+                    .Where(label => string.IsNullOrWhiteSpace(document.Scalar("spec", "template", "metadata", "labels", label)))
+                    .Select(label => $"{document.Descriptor} pod template is missing metadata.labels['{label}'].")))
+            .Concat(FcDeviceManagementDocuments()
+                .Where(document => document.Kind == "Deployment")
+                .Where(document => string.IsNullOrWhiteSpace(document.Scalar("spec", "template", "metadata", "annotations", "flowercore.io/audit-trace-id")))
+                .Select(document => $"{document.Descriptor} pod template is missing flowercore.io/audit-trace-id."))
+            .ToList();
+
+        violations.Should().BeEmpty();
+    }
+
+    [Fact]
+    public void FcDeviceManagement_IngressMustUseCertManagerAndKeepPublicHostDisabled()
+    {
+        var appText = string.Join(
+            Environment.NewLine,
+            Directory.GetFiles(Path.Combine(Inventory.BluejayRoot, "apps", "fc-devicemgmt"), "*.yaml")
+                .Select(File.ReadAllText));
+
+        appText.Should().NotContain("certResolver");
+        appText.Should().Contain("update.flowercore.io");
+        appText.Should().Contain("disabled-until-Q-OIDC-1");
+
+        FcDeviceManagementDocuments()
+            .Where(document => document.Kind == "IngressRoute")
+            .SelectMany(document => document.MappingSequence("spec", "routes"))
+            .Select(route => ManifestNodeExtensions.Scalar(route, "match") ?? string.Empty)
+            .Should()
+            .Contain(match => match.Contains("Host(`devices.iamworkin.lan`)", StringComparison.Ordinal))
+            .And.NotContain(match => match.Contains("Host(`update.flowercore.io`)", StringComparison.Ordinal));
+
+        var certificate = FcDeviceManagementDocuments()
+            .Single(document => document.Kind == "Certificate" && document.Name == "fc-devicemgmt-web-tls");
+
+        certificate.Scalar("spec", "issuerRef", "name").Should().Be("step-ca-acme");
+        certificate.Scalar("spec", "issuerRef", "kind").Should().Be("ClusterIssuer");
+        ManifestNodeExtensions.ScalarSequence(certificate.Root, "spec", "dnsNames")
+            .Should()
+            .ContainSingle("devices.iamworkin.lan");
+    }
+
+    [Fact]
+    public void FcDeviceManagement_OperatorRbacMustCoverDevicesAndOwnerLookup()
+    {
+        var clusterRole = FcDeviceManagementDocuments()
+            .Single(document => document.Kind == "ClusterRole" && document.Name == "fc-devicemgmt-operator");
+        var allScalars = clusterRole.AllScalars().ToList();
+
+        allScalars.Should().Contain("devices.flowercore.io");
+        allScalars.Should().Contain("*");
+        allScalars.Should().Contain("deployments");
+        allScalars.Should().Contain("get");
+
+        var operatorDeployment = FcDeviceManagementDocuments()
+            .Single(document => document.Kind == "Deployment" && document.Name == "fc-devicemgmt-operator");
+
+        operatorDeployment.AllScalars().Should().Contain("FLOWERCORE_KUBERNETES_OWNER_DEPLOYMENT");
+        operatorDeployment.AllScalars().Should().Contain("fc-devicemgmt-operator");
+    }
+
+    [Fact]
+    public void FcDeviceManagement_RuntimeSecretsMustUseOnePasswordItemPattern()
+    {
+        var item = FcDeviceManagementDocuments()
+            .Single(document => document.Kind == "OnePasswordItem" && document.Name == "fc-devicemgmt-runtime");
+
+        item.Scalar("spec", "itemPath")
+            .Should()
+            .Be("vaults/IAmWorkin/items/FlowerCore DeviceManagement Runtime");
+
+        var appText = string.Join(
+            Environment.NewLine,
+            Directory.GetFiles(Path.Combine(Inventory.BluejayRoot, "apps", "fc-devicemgmt"), "*.yaml")
+                .Select(File.ReadAllText));
+
+        FcDeviceManagementDocuments().Should().NotContain(document => document.Kind == "Secret");
+        appText.Should().Contain("secretKeyRef:");
+        appText.Should().Contain("secretName: fc-devicemgmt-runtime");
+        appText.Should().NotContain("stringData:");
+        appText.Should().NotContain("from-literal");
+        appText.Should().NotContain("tls.key:");
+    }
+
+    [Fact]
+    public void FcDeviceManagement_NetworkPoliciesMustAllowLanAgentsSynologyAndDnatPorts()
+    {
+        var policies = FcDeviceManagementDocuments()
+            .Where(document => document.Kind == "NetworkPolicy")
+            .ToList();
+
+        policies.Should().HaveCount(2);
+
+        var combinedScalars = policies.SelectMany(policy => policy.AllScalars()).ToList();
+        combinedScalars.Should().Contain("10.0.56.0/24");
+        combinedScalars.Should().Contain("10.0.57.0/24");
+        combinedScalars.Should().Contain("10.0.58.0/24");
+        combinedScalars.Should().Contain("10.0.68.0/27");
+        combinedScalars.Should().Contain("10.0.58.3/32");
+
+        var combinedEgressPorts = policies.SelectMany(policy => policy.EgressPorts()).ToHashSet(StringComparer.Ordinal);
+        combinedEgressPorts.Should().Contain(new[] { "80", "443", "8080", "8443", "2049", "111" });
+
+        var traefikVipPolicies = policies
+            .Where(policy => policy.AllScalars().Any(value => value.Contains("10.0.56.200", StringComparison.Ordinal)))
+            .ToList();
+
+        traefikVipPolicies.Should().ContainSingle();
+        traefikVipPolicies[0].EgressPorts().Should().Contain(new[] { "80", "443", "8080", "8443" });
+    }
+
+    [Fact]
+    public void FcDeviceManagement_ArgocdApplicationMustMatchApplicationSetDiscoveryConventions()
+    {
+        var application = FcDeviceManagementDocuments()
+            .Single(document => document.Kind == "Application" && document.Name == "infra-fc-devicemgmt");
+
+        application.Namespace.Should().Be("argocd");
+        application.Scalar("spec", "source", "repoURL")
+            .Should()
+            .Be("http://gitea-clusterip.gitea.svc.cluster.local:3000/bluejay/bluejay-infra.git");
+        application.Scalar("spec", "source", "path").Should().Be("apps/fc-devicemgmt");
+        application.Scalar("spec", "destination", "namespace").Should().Be("fc-devicemgmt");
+    }
+
     private static IEnumerable<string> ProbeViolations(
         ManifestDocument document,
         YamlMappingNode container,
@@ -314,6 +492,13 @@ public sealed class FleetManifestLintTests
             $"{document.Descriptor} container '{containerName}' still uses {probeKey}.httpGet on /health.",
         };
     }
+
+    private static IReadOnlyList<ManifestDocument> FcDeviceManagementDocuments()
+    {
+        return Inventory.Documents
+            .Where(document => document.RelativePath.StartsWith("fc-devicemgmt/", StringComparison.Ordinal))
+            .ToList();
+    }
 }
 
 internal sealed class ManifestInventory