Initial commit: VaultMesh Skills collection

Collection of operational skills for VaultMesh infrastructure including:
- backup-sovereign: Backup and recovery operations
- btc-anchor: Bitcoin anchoring
- cloudflare-tunnel-manager: Cloudflare tunnel management
- container-registry: Container registry operations
- disaster-recovery: Disaster recovery procedures
- dns-sovereign: DNS management
- eth-anchor: Ethereum anchoring
- gitea-bootstrap: Gitea setup and configuration
- hetzner-bootstrap: Hetzner server provisioning
- merkle-forest: Merkle tree operations
- node-hardening: Node security hardening
- operator-bootstrap: Operator initialization
- proof-verifier: Cryptographic proof verification
- rfc3161-anchor: RFC3161 timestamping
- secrets-vault: Secrets management

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

cloudflare-tunnel-manager/scripts/rollback/undo_dns.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+SKILL_ROOT="$(dirname "$(dirname "$SCRIPT_DIR")")"
+source "$SKILL_ROOT/scripts/_common.sh"
+
+: "${CF_API_TOKEN:=}"
+: "${ZONE_NAME:=}"
+: "${HOSTNAME:=}"
+: "${CONFIG_DIR:=$SKILL_ROOT/outputs/config}"
+
+api() {
+  local method="$1"; shift
+  local url="$1"; shift
+  curl -sS -X "$method" "$url" \
+    -H "Authorization: Bearer $CF_API_TOKEN" \
+    -H "Content-Type: application/json" \
+    "$@"
+}
+
+main() {
+  confirm_gate
+  [[ -n "$CF_API_TOKEN" ]] || die "CF_API_TOKEN is required."
+  [[ -n "$ZONE_NAME" ]] || die "ZONE_NAME is required."
+  [[ -n "$HOSTNAME" ]] || die "HOSTNAME is required."
+  need jq
+  need curl
+
+  local z; z="$(api GET "https://api.cloudflare.com/client/v4/zones?name=$ZONE_NAME" | jq -r '.result[0].id')"
+  [[ -n "$z" && "$z" != "null" ]] || die "Unable to resolve zone id for $ZONE_NAME"
+
+  local rec; rec="$(api GET "https://api.cloudflare.com/client/v4/zones/$z/dns_records?type=CNAME&name=$HOSTNAME")"
+  local rec_id; rec_id="$(echo "$rec" | jq -r '.result[0].id')"
+  if [[ -n "$rec_id" && "$rec_id" != "null" ]]; then
+    log_warn "Deleting DNS record id: $rec_id ($HOSTNAME)"
+    api DELETE "https://api.cloudflare.com/client/v4/zones/$z/dns_records/$rec_id" | jq -e '.success==true' >/dev/null || die "Failed to delete DNS record."
+  else
+    log_warn "No DNS record found for $HOSTNAME"
+  fi
+
+  rm -f "$CONFIG_DIR/dns_route.json" || true
+  log_info "DNS rollback complete."
+}
+main "$@"