diff --git a/apps/github-runner/github-runner.yaml b/apps/github-runner/github-runner.yaml
index 886da73..7cb3629 100644
--- a/apps/github-runner/github-runner.yaml
+++ b/apps/github-runner/github-runner.yaml
@@ -4168,6 +4168,409 @@ spec:
         - name: tmp
           emptyDir: {}
       restartPolicy: Always
+---
+# Runner for FlowerCore.DeviceManagement. Two replicas use per-pod emptyDir
+# caches, so backlog can drain without sharing a ReadWriteOnce PVC. Added
+# 2026-05-26 morning-routine — DM had ZERO registered runners while Sprint 37
+# Cx-1 PRs #20 (CI-to-Linux migration), #21 (WDAC), and #22 (AppLocker) were
+# all queued indefinitely. Chicken-and-egg: the migration PRs need Linux
+# runners that the migration creates.
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: github-runner-device-management
+  namespace: github-runner
+  labels:
+    app.kubernetes.io/name: github-runner-device-management
+    app.kubernetes.io/component: runner
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/created-by: argocd
+    flowercore.io/runner-repo: device-management
+    flowercore.io/github-repo: FlowerCore.DeviceManagement
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: github-runner-device-management
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: github-runner-device-management
+        app.kubernetes.io/component: runner
+        app.kubernetes.io/part-of: flowercore
+        flowercore.io/created-by: argocd
+        flowercore.io/runner-repo: device-management
+        flowercore.io/github-repo: FlowerCore.DeviceManagement
+    spec:
+      serviceAccountName: github-runner
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 1001
+        runAsGroup: 1001
+        fsGroup: 1001
+      initContainers:
+        - name: setup-runner-home
+          image: localhost/fc-github-runner:v20260525-ruby3.3.11-stepca
+          imagePullPolicy: Never
+          command:
+            - sh
+            - -c
+            - |
+              set -e
+              mkdir -p /home/runner/.dotnet /home/runner/.nuget/packages /home/runner/.nuget/NuGet /home/runner/.cache /home/runner/_tool
+              if [ -d /opt/runner-toolcache/Ruby ] && [ ! -d /home/runner/_tool/Ruby ]; then
+                cp -a /opt/runner-toolcache/Ruby /home/runner/_tool/
+              fi
+              chown -R 1001:1001 /home/runner/.dotnet /home/runner/.nuget /home/runner/.cache /home/runner/_tool
+              chmod -R 755 /home/runner/.dotnet /home/runner/.nuget /home/runner/.cache /home/runner/_tool
+          securityContext:
+            runAsUser: 0
+            runAsNonRoot: false
+          volumeMounts:
+            - name: runner-home
+              mountPath: /home/runner
+      containers:
+        - name: runner
+          image: localhost/fc-github-runner:v20260525-ruby3.3.11-stepca
+          imagePullPolicy: Never
+          env:
+            - name: REPO_URL
+              value: "https://github.com/astoltz/FlowerCore.DeviceManagement"
+            - name: RUNNER_NAME_PREFIX
+              value: "rke2-linux-device-management"
+            - name: RUNNER_WORKDIR
+              value: "/tmp/runner/work"
+            - name: EPHEMERAL
+              value: "true"
+            - name: LABELS
+              value: "self-hosted,linux,fc-build-linux"
+            - name: HOME
+              value: "/home/runner"
+            - name: DOTNET_INSTALL_DIR
+              value: "/home/runner/.dotnet"
+            - name: DOTNET_CLI_TELEMETRY_OPTOUT
+              value: "1"
+            - name: DOTNET_NOLOGO
+              value: "1"
+            - name: DOTNET_GENERATE_ASPNET_CERTIFICATE
+              value: "false"
+            - name: DOTNET_CLI_HOME
+              value: "/home/runner"
+            - name: NUGET_PACKAGES
+              value: "/home/runner/.nuget/packages"
+            - name: XDG_CACHE_HOME
+              value: "/home/runner/.cache"
+            - name: RUNNER_TOOL_CACHE
+              value: "/home/runner/_tool"
+            - name: ACCESS_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: github-runner-token
+                  key: credential
+            - name: RUN_AS_ROOT
+              value: "false"
+          resources:
+            requests:
+              cpu: "500m"
+              memory: "1Gi"
+            limits:
+              cpu: "2000m"
+              memory: "4Gi"
+          volumeMounts:
+            - name: runner-home
+              mountPath: /home/runner
+            - name: nuget-cache
+              mountPath: /home/runner/.nuget/packages
+            - name: tmp
+              mountPath: /tmp
+          livenessProbe:
+            exec:
+              command:
+                - /bin/sh
+                - -c
+                - "pgrep -f Runner.Listener > /dev/null"
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            failureThreshold: 3
+      volumes:
+        - name: runner-home
+          emptyDir: {}
+        - name: nuget-cache
+          emptyDir:
+            sizeLimit: 2Gi
+        - name: tmp
+          emptyDir: {}
+      restartPolicy: Always
+---
+# Runner for FlowerCore.AiStation.Linux. Two replicas use per-pod emptyDir
+# caches. Added 2026-05-26 — #13 master-CI-fix PR was queued indefinitely
+# (Linux job has no runner; Windows job remains queued until the Windows
+# runner host substrate lands per Sprint 36 v2 Cl-2 / ADR-174).
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: github-runner-aistation-linux
+  namespace: github-runner
+  labels:
+    app.kubernetes.io/name: github-runner-aistation-linux
+    app.kubernetes.io/component: runner
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/created-by: argocd
+    flowercore.io/runner-repo: aistation-linux
+    flowercore.io/github-repo: FlowerCore.AiStation.Linux
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: github-runner-aistation-linux
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: github-runner-aistation-linux
+        app.kubernetes.io/component: runner
+        app.kubernetes.io/part-of: flowercore
+        flowercore.io/created-by: argocd
+        flowercore.io/runner-repo: aistation-linux
+        flowercore.io/github-repo: FlowerCore.AiStation.Linux
+    spec:
+      serviceAccountName: github-runner
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 1001
+        runAsGroup: 1001
+        fsGroup: 1001
+      initContainers:
+        - name: setup-runner-home
+          image: localhost/fc-github-runner:v20260525-ruby3.3.11-stepca
+          imagePullPolicy: Never
+          command:
+            - sh
+            - -c
+            - |
+              set -e
+              mkdir -p /home/runner/.dotnet /home/runner/.nuget/packages /home/runner/.nuget/NuGet /home/runner/.cache /home/runner/_tool
+              if [ -d /opt/runner-toolcache/Ruby ] && [ ! -d /home/runner/_tool/Ruby ]; then
+                cp -a /opt/runner-toolcache/Ruby /home/runner/_tool/
+              fi
+              chown -R 1001:1001 /home/runner/.dotnet /home/runner/.nuget /home/runner/.cache /home/runner/_tool
+              chmod -R 755 /home/runner/.dotnet /home/runner/.nuget /home/runner/.cache /home/runner/_tool
+          securityContext:
+            runAsUser: 0
+            runAsNonRoot: false
+          volumeMounts:
+            - name: runner-home
+              mountPath: /home/runner
+      containers:
+        - name: runner
+          image: localhost/fc-github-runner:v20260525-ruby3.3.11-stepca
+          imagePullPolicy: Never
+          env:
+            - name: REPO_URL
+              value: "https://github.com/astoltz/FlowerCore.AiStation.Linux"
+            - name: RUNNER_NAME_PREFIX
+              value: "rke2-linux-aistation-linux"
+            - name: RUNNER_WORKDIR
+              value: "/tmp/runner/work"
+            - name: EPHEMERAL
+              value: "true"
+            - name: LABELS
+              value: "self-hosted,linux,fc-build-linux"
+            - name: HOME
+              value: "/home/runner"
+            - name: DOTNET_INSTALL_DIR
+              value: "/home/runner/.dotnet"
+            - name: DOTNET_CLI_TELEMETRY_OPTOUT
+              value: "1"
+            - name: DOTNET_NOLOGO
+              value: "1"
+            - name: DOTNET_GENERATE_ASPNET_CERTIFICATE
+              value: "false"
+            - name: DOTNET_CLI_HOME
+              value: "/home/runner"
+            - name: NUGET_PACKAGES
+              value: "/home/runner/.nuget/packages"
+            - name: XDG_CACHE_HOME
+              value: "/home/runner/.cache"
+            - name: RUNNER_TOOL_CACHE
+              value: "/home/runner/_tool"
+            - name: ACCESS_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: github-runner-token
+                  key: credential
+            - name: RUN_AS_ROOT
+              value: "false"
+          resources:
+            requests:
+              cpu: "500m"
+              memory: "1Gi"
+            limits:
+              cpu: "2000m"
+              memory: "4Gi"
+          volumeMounts:
+            - name: runner-home
+              mountPath: /home/runner
+            - name: nuget-cache
+              mountPath: /home/runner/.nuget/packages
+            - name: tmp
+              mountPath: /tmp
+          livenessProbe:
+            exec:
+              command:
+                - /bin/sh
+                - -c
+                - "pgrep -f Runner.Listener > /dev/null"
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            failureThreshold: 3
+      volumes:
+        - name: runner-home
+          emptyDir: {}
+        - name: nuget-cache
+          emptyDir:
+            sizeLimit: 2Gi
+        - name: tmp
+          emptyDir: {}
+      restartPolicy: Always
+---
+# Runner for FlowerCore.WorldBuilder. Two replicas use per-pod emptyDir
+# caches. Added 2026-05-26 — #3 and #4 Linux migration PRs queued
+# indefinitely with one stale offline runner registered against the repo.
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: github-runner-worldbuilder
+  namespace: github-runner
+  labels:
+    app.kubernetes.io/name: github-runner-worldbuilder
+    app.kubernetes.io/component: runner
+    app.kubernetes.io/part-of: flowercore
+    app.kubernetes.io/managed-by: argocd
+    flowercore.io/created-by: argocd
+    flowercore.io/runner-repo: worldbuilder
+    flowercore.io/github-repo: FlowerCore.WorldBuilder
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: github-runner-worldbuilder
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: github-runner-worldbuilder
+        app.kubernetes.io/component: runner
+        app.kubernetes.io/part-of: flowercore
+        flowercore.io/created-by: argocd
+        flowercore.io/runner-repo: worldbuilder
+        flowercore.io/github-repo: FlowerCore.WorldBuilder
+    spec:
+      serviceAccountName: github-runner
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 1001
+        runAsGroup: 1001
+        fsGroup: 1001
+      initContainers:
+        - name: setup-runner-home
+          image: localhost/fc-github-runner:v20260525-ruby3.3.11-stepca
+          imagePullPolicy: Never
+          command:
+            - sh
+            - -c
+            - |
+              set -e
+              mkdir -p /home/runner/.dotnet /home/runner/.nuget/packages /home/runner/.nuget/NuGet /home/runner/.cache /home/runner/_tool
+              if [ -d /opt/runner-toolcache/Ruby ] && [ ! -d /home/runner/_tool/Ruby ]; then
+                cp -a /opt/runner-toolcache/Ruby /home/runner/_tool/
+              fi
+              chown -R 1001:1001 /home/runner/.dotnet /home/runner/.nuget /home/runner/.cache /home/runner/_tool
+              chmod -R 755 /home/runner/.dotnet /home/runner/.nuget /home/runner/.cache /home/runner/_tool
+          securityContext:
+            runAsUser: 0
+            runAsNonRoot: false
+          volumeMounts:
+            - name: runner-home
+              mountPath: /home/runner
+      containers:
+        - name: runner
+          image: localhost/fc-github-runner:v20260525-ruby3.3.11-stepca
+          imagePullPolicy: Never
+          env:
+            - name: REPO_URL
+              value: "https://github.com/astoltz/FlowerCore.WorldBuilder"
+            - name: RUNNER_NAME_PREFIX
+              value: "rke2-linux-worldbuilder"
+            - name: RUNNER_WORKDIR
+              value: "/tmp/runner/work"
+            - name: EPHEMERAL
+              value: "true"
+            - name: LABELS
+              value: "self-hosted,linux,fc-build-linux"
+            - name: HOME
+              value: "/home/runner"
+            - name: DOTNET_INSTALL_DIR
+              value: "/home/runner/.dotnet"
+            - name: DOTNET_CLI_TELEMETRY_OPTOUT
+              value: "1"
+            - name: DOTNET_NOLOGO
+              value: "1"
+            - name: DOTNET_GENERATE_ASPNET_CERTIFICATE
+              value: "false"
+            - name: DOTNET_CLI_HOME
+              value: "/home/runner"
+            - name: NUGET_PACKAGES
+              value: "/home/runner/.nuget/packages"
+            - name: XDG_CACHE_HOME
+              value: "/home/runner/.cache"
+            - name: RUNNER_TOOL_CACHE
+              value: "/home/runner/_tool"
+            - name: ACCESS_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: github-runner-token
+                  key: credential
+            - name: RUN_AS_ROOT
+              value: "false"
+          resources:
+            requests:
+              cpu: "500m"
+              memory: "1Gi"
+            limits:
+              cpu: "2000m"
+              memory: "4Gi"
+          volumeMounts:
+            - name: runner-home
+              mountPath: /home/runner
+            - name: nuget-cache
+              mountPath: /home/runner/.nuget/packages
+            - name: tmp
+              mountPath: /tmp
+          livenessProbe:
+            exec:
+              command:
+                - /bin/sh
+                - -c
+                - "pgrep -f Runner.Listener > /dev/null"
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            failureThreshold: 3
+      volumes:
+        - name: runner-home
+          emptyDir: {}
+        - name: nuget-cache
+          emptyDir:
+            sizeLimit: 2Gi
+        - name: tmp
+          emptyDir: {}
+      restartPolicy: Always
 
 # Long-tail runner pattern:
 #
@@ -4175,3 +4578,6 @@ spec:
 # Common as the only PVC-backed runner at replicas: 1. Any future multi-replica
 # runner must use per-pod emptyDir caches, not a shared ReadWriteOnce PVC.
 # 2026-05-25: PiManager added (was missed in the Sprint 32 long-tail sweep).
+# 2026-05-26: Updater + DeviceManagement + AiStation.Linux + WorldBuilder
+# added by the morning-routine sweep — those repos had had ZERO online Linux
+# PR-CI capacity, blocking the Sprint 37 Cx-1 Linux-CI-migration PRs.