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>

secrets-vault/scripts/rollback/undo_last_changes.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+SKILL_ROOT="$(dirname "$(dirname "$SCRIPT_DIR")")"
+source "$SKILL_ROOT/scripts/_common.sh"
+
+: "${BACKUP_DIR:=$SKILL_ROOT/outputs/backups}"
+
+main() {
+  confirm_gate
+  if [[ ! -d "$BACKUP_DIR" ]]; then
+    log_warn "No backups found; nothing to restore."
+    exit 0
+  fi
+  log_warn "Backups exist in: $BACKUP_DIR"
+  log_warn "This rollback restores only files we backed up (.sops.yaml, README.md)."
+  log_warn "Encrypted templates are safe to keep; remove manually if desired."
+  echo "Listing backups:"
+  ls -1 "$BACKUP_DIR" || true
+  log_info "Rollback is conservative by design. Restore manually by copying desired *.bak to target."
+}
+main "$@"