T-0.1 Flux GitOps layout + dev/prod overlays + platform component skeletons (R-GITOPS-01/03, R-ENV-02, R-PLAT-01)

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>

platform/longhorn/storageclasses.yaml

@@ -0,0 +1,34 @@
+---
+# Default replicated StorageClass — 3 replicas (ADR-0003). The durable home for app/config state
+# and KubeVirt VM disks. Replica count is an overlay knob (R-ENV-02).
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: longhorn
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "true"
+provisioner: driver.longhorn.io
+allowVolumeExpansion: true
+reclaimPolicy: Delete
+volumeBindingMode: Immediate
+parameters:
+  numberOfReplicas: "${LONGHORN_DEFAULT_REPLICA_COUNT}"   # from cluster-vars (default 3)
+  staleReplicaTimeout: "30"
+  fsType: "ext4"
+---
+# Bulk media tier — large, NON-replicated data (Plex library, download staging). ADR-0003 / docs/04.
+# NOTE: backing store (NAS/NFS vs dedicated large disk) is OQ-2, unresolved — this is a STUB.
+# Plex's metadata DB stays on the 3-replica `longhorn` class regardless (ADR-0003).
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: bulk
+provisioner: driver.longhorn.io      # TODO(WS-STORAGE): may become an NFS provisioner per OQ-2
+allowVolumeExpansion: true
+reclaimPolicy: Retain
+volumeBindingMode: Immediate
+parameters:
+  numberOfReplicas: "1"              # non-replicated bulk tier (capacity, not durability)
+  staleReplicaTimeout: "30"
+  fsType: "ext4"
+# TODO(WS-STORAGE): finalize once OQ-2 (bulk backing) is answered by the human operator.