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]>

clusters/base/kustomization.yaml

@@ -0,0 +1,10 @@
+---
+# Base Flux entrypoint set. Shared by BOTH environment overlays (clusters/dev, clusters/prod).
+# Overlays reference this base and patch ONLY the cluster-vars ConfigMap (R-ENV-02).
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - flux-system.yaml     # GitRepository (reconciliation source)
+  - platform.yaml        # Flux Kustomization -> ./platform
+  - apps.yaml            # Flux Kustomization -> ./apps (dependsOn platform)
+  - cluster-vars.yaml    # overlay knob surface (base defaults)