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/00_preflight.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+SKILL_ROOT="$(dirname "$SCRIPT_DIR")"
+source "$SCRIPT_DIR/_common.sh"
+
+: "${CF_API_TOKEN:=}"
+: "${CF_ACCOUNT_ID:=}"
+: "${TUNNEL_NAME:=}"
+: "${ZONE_NAME:=}"
+: "${HOSTNAME:=}"
+: "${LOCAL_SERVICE:=}"
+: "${CONFIG_DIR:=$SKILL_ROOT/outputs/config}"
+: "${SERVICE_NAME:=cloudflared-tunnel}"
+
+main() {
+  log_info "Starting 00_preflight.sh"
+  cf_env_check
+  [[ -n "$TUNNEL_NAME" ]] || die "TUNNEL_NAME is required."
+  [[ -n "$ZONE_NAME" ]] || die "ZONE_NAME is required."
+  [[ -n "$HOSTNAME" ]] || die "HOSTNAME is required."
+  [[ -n "$LOCAL_SERVICE" ]] || die "LOCAL_SERVICE is required."
+
+  need cloudflared
+  need curl
+  need jq
+  need systemctl || log_warn "systemctl not found (service phase will not work)."
+
+  mkdir -p "$SKILL_ROOT/outputs"
+  mkdir -p "$CONFIG_DIR"
+
+  log_info "Preflight OK."
+}
+
+main "$@"