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/values.yaml

@@ -0,0 +1,7 @@
+# Longhorn Helm values — PLACEHOLDER (Phase 0). Authoritative values inline in helmrelease.yaml.
+#
+# persistence.defaultClass: false                 # we own StorageClasses (storageclasses.yaml)
+# persistence.defaultClassReplicaCount: ${LONGHORN_DEFAULT_REPLICA_COUNT}   # overlay knob
+# defaultSettings.defaultDataPath: <data disk>    # TODO(WS-STORAGE): dedicated Longhorn disk (docs/02)
+# defaultSettings.backupTarget: <off-cluster>     # TODO(WS-STORAGE, Phase 4): DR target (ADR-0003)
+# Longhorn UI exposure gated behind oauth2-proxy forward-auth (ADR-0014).