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>

btc-anchor/scripts/10_plan.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+source "$SCRIPT_DIR/_common.sh"
+
+: "${BTC_NETWORK:=testnet}"
+: "${BTC_FEE_RATE:=5}"
+: "${OP_RETURN_PREFIX:=VM}"
+
+main() {
+  root_hex="$(read_root_hex)"
+  prefix_hex="$(ascii_to_hex "$OP_RETURN_PREFIX")"
+  payload="${prefix_hex}${root_hex}"
+  # OP_RETURN payload max is 80 bytes standard; we keep under 80 bytes (160 hex chars)
+  payload="${payload:0:160}"
+
+  echo "[PLAN] $(date -Iseconds) BTC Anchor"
+  echo "[PLAN] Network: $BTC_NETWORK"
+  echo "[PLAN] Fee rate (sat/vB): $BTC_FEE_RATE"
+  echo "[PLAN] Prefix: $OP_RETURN_PREFIX (hex: $prefix_hex)"
+  echo "[PLAN] Root hex (raw): $root_hex"
+  echo "[PLAN] OP_RETURN payload hex: $payload"
+  echo "[PLAN] Will create OP_RETURN tx via wallet RPCs: createrawtransaction -> walletcreatefundedpsbt -> walletprocesspsbt -> finalizepsbt -> sendrawtransaction"
+  echo "[PLAN] Next: export DRY_RUN=0 && ./scripts/11_apply.sh"
+}
+main "$@"