feat: add qt sdk remotedesktop warm pool

.gitattributes

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+*.yaml text eol=lf
+*.yml text eol=lf

apps/fc-desktop/remotedesktop-pools.yaml

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+# FlowerCore RemoteDesktop warm-pool posture.
+#
+# The RemoteDesktop Web and Operator Deployments remain owned by
+# FlowerCore.RemoteDesktop. bluejay-infra owns these GitOps pool intents so
+# rebuilds preserve the operational posture without baking it into service code.
+---
+apiVersion: flowercore.io/v1
+kind: RemoteDesktopPoolCrd
+metadata:
+  name: qt-sdk-pool
+  namespace: fc-desktop
+  labels:
+    app.kubernetes.io/name: remotedesktop-pool
+    app.kubernetes.io/component: warm-pool
+    app.kubernetes.io/part-of: flowercore-remotedesktop
+    flowercore.io/template: dev-workstation
+    flowercore.io/image: localhost-fc-desktop-qt-sdk
+  annotations:
+    flowercore.io/deficit-tolerance: "0"
+    flowercore.io/scale-mode: ManualScaleOnDemand
+    flowercore.io/image-ref: localhost/fc-desktop:qt-sdk
+    flowercore.io/image-pull-policy: Never
+spec:
+  templateSlug: dev-workstation
+  desiredSize: 0
+  enabled: false
+  userVolumeMode: LateAttach
+  deficitTolerance: 0
+  scaleMode: ManualScaleOnDemand
+  reconcileNow: false

apps/fc-devicemgmt/argocd-application.yaml

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+# 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