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>

operator-bootstrap/scripts/rollback/undo_ssh_config.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# === METADATA ===
+SCRIPT_NAME="$(basename "$0")"
+
+# === CONFIGURATION ===
+: "${NODE_NAME:=node-a}"
+
+# === FUNCTIONS ===
+log_info()  { echo "[INFO]  $(date -Iseconds) $*"; }
+log_warn()  { echo "[WARN]  $(date -Iseconds) $*" >&2; }
+
+main() {
+    log_info "Starting $SCRIPT_NAME - ROLLBACK SSH config..."
+
+    local config="$HOME/.ssh/config"
+
+    echo ""
+    echo "============================================"
+    echo "  SSH CONFIG ROLLBACK"
+    echo "============================================"
+    echo ""
+
+    # List available backups
+    echo "Available backups:"
+    ls -la "$HOME/.ssh/config.bak."* 2>/dev/null || echo "  (none found)"
+    echo ""
+
+    local latest_backup
+    latest_backup=$(ls -t "$HOME/.ssh/config.bak."* 2>/dev/null | head -1 || true)
+
+    if [[ -z "$latest_backup" ]]; then
+        log_warn "No backup files found"
+        echo ""
+        echo "Alternative: Manually remove the $NODE_NAME entry from ~/.ssh/config"
+        exit 0
+    fi
+
+    echo "Latest backup: $latest_backup"
+    echo ""
+    read -p "Restore from this backup? (y/N): " confirm
+
+    if [[ "$confirm" != "y" && "$confirm" != "Y" ]]; then
+        log_info "Aborted - no changes made"
+        exit 0
+    fi
+
+    # Create a backup of current config before restoring
+    if [[ -f "$config" ]]; then
+        cp "$config" "$config.pre-rollback.$(date +%Y%m%d%H%M%S)"
+        log_info "Current config backed up"
+    fi
+
+    # Restore from backup
+    cp "$latest_backup" "$config"
+    chmod 600 "$config"
+    log_info "SSH config restored from $latest_backup"
+
+    log_info "Completed $SCRIPT_NAME"
+}
+
+[[ "${BASH_SOURCE[0]}" == "$0" ]] && main "$@"