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>

node-hardening/scripts/10_ufw_plan.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_NAME="$(basename "$0")"
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+SKILL_ROOT="$(dirname "$SCRIPT_DIR")"
+
+: "${OUTPUT_DIR:=$SKILL_ROOT/outputs}"
+
+log_info()  { echo "[INFO]  $(date -Iseconds) $*"; }
+log_warn()  { echo "[WARN]  $(date -Iseconds) $*" >&2; }
+log_error() { echo "[ERROR] $(date -Iseconds) $*" >&2; }
+
+detect_ssh_client_ip() {
+  if [[ -n "${SSH_CLIENT:-}" ]]; then
+    awk '{print $1}' <<<"$SSH_CLIENT"
+  elif [[ -n "${SSH_CONNECTION:-}" ]]; then
+    awk '{print $1}' <<<"$SSH_CONNECTION"
+  else
+    echo ""
+  fi
+}
+
+main() {
+  mkdir -p "$OUTPUT_DIR"
+  local ssh_port="${SSH_PORT:-22}"
+  local allow_http="${ALLOW_HTTP:-true}"
+  local allow_https="${ALLOW_HTTPS:-true}"
+  local ssh_ip
+  ssh_ip="$(detect_ssh_client_ip)"
+
+  log_info "UFW Plan (no changes applied)"
+  log_info "Target SSH_PORT=$ssh_port"
+  [[ -n "$ssh_ip" ]] && log_info "Detected SSH client IP=$ssh_ip" || log_warn "No SSH client IP detected"
+
+  echo
+  echo "--- Intended policy ---"
+  echo "Default: deny incoming"
+  echo "Default: allow outgoing"
+  echo
+  echo "--- Intended allow rules ---"
+  echo "1) Allow SSH: $ssh_port/tcp (always)"
+  if [[ -n "$ssh_ip" ]]; then
+    echo "2) Pin SSH from current client IP: from $ssh_ip to any port $ssh_port/tcp (optional safety)"
+  else
+    echo "2) No client IP detected; IP pinning skipped"
+  fi
+  if [[ "$allow_http" == "true" ]]; then
+    echo "3) Allow HTTP: 80/tcp"
+  else
+    echo "3) HTTP not allowed"
+  fi
+  if [[ "$allow_https" == "true" ]]; then
+    echo "4) Allow HTTPS: 443/tcp"
+  else
+    echo "4) HTTPS not allowed"
+  fi
+  echo
+  echo "--- Safety notes ---"
+  echo "- Apply script will refuse unless DRY_RUN=0"
+  echo "- If you are on SSH, keep a second session open"
+}
+
+[[ "${BASH_SOURCE[0]}" == "$0" ]] && main "$@"