Add Harbor/Ceph runbooks and align single-node Ceph docs with abr deployment.

Document registry ingress split, image mirroring, loop OSD setup, and platform integration paths.

backend/helm/cloudhost-ceph/scripts/install.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+# Install Rook-Ceph operator + cluster + CloudHost bucket extras.
+# Usage: ./scripts/install.sh [single-node|multi-node]
+set -euo pipefail
+
+PROFILE="${1:-single-node}"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+CHART_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+ROOK_NS="rook-ceph"
+EXTRAS_NS="cloudhost-builds"
+CLUSTER_VALUES="${CHART_DIR}/values-rook-cluster-${PROFILE}.yaml"
+
+if [[ ! -f "${CLUSTER_VALUES}" ]]; then
+  echo "Unknown profile: ${PROFILE} (missing ${CLUSTER_VALUES})" >&2
+  exit 1
+fi
+
+echo "==> Profile: ${PROFILE}"
+echo "==> Adding rook-release helm repo"
+helm repo add rook-release https://charts.rook.io/release 2>/dev/null || true
+helm repo update rook-release
+
+echo "==> [1/4] Installing Rook operator in ${ROOK_NS}"
+helm upgrade --install rook-ceph rook-release/rook-ceph \
+  --namespace "${ROOK_NS}" \
+  --create-namespace \
+  --wait \
+  --timeout 10m
+
+echo "==> [2/4] Waiting for Rook operator deployment"
+kubectl -n "${ROOK_NS}" rollout status deploy/rook-ceph-operator --timeout=300s
+
+echo "==> [3/4] Installing Ceph cluster (${CLUSTER_VALUES})"
+helm upgrade --install rook-ceph-cluster rook-release/rook-ceph-cluster \
+  --namespace "${ROOK_NS}" \
+  -f "${CLUSTER_VALUES}" \
+  --wait \
+  --timeout 25m
+
+echo "==> Waiting for CephCluster phase = Ready (up to 20 min)"
+"${SCRIPT_DIR}/wait-ceph-ready.sh" 1200
+
+echo "==> [4/4] Installing CloudHost Ceph extras (ObjectBucketClaim) in ${EXTRAS_NS}"
+kubectl create namespace "${EXTRAS_NS}" 2>/dev/null || true
+helm upgrade --install cloudhost-ceph "${CHART_DIR}" \
+  --namespace "${EXTRAS_NS}" \
+  -f "${CHART_DIR}/values.yaml" \
+  --wait \
+  --timeout 15m
+
+echo ""
+echo "==> Done. Run ./scripts/verify.sh to confirm health and print integration hints."