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/90_verify.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+SKILL_ROOT="$(dirname "$SCRIPT_DIR")"
+source "$SCRIPT_DIR/_common.sh"
+
+: "${BTC_NETWORK:=testnet}"
+
+main() {
+  [[ -f "$SKILL_ROOT/outputs/last_run_dir.txt" ]] || die "No last run."
+  run_dir="$(cat "$SKILL_ROOT/outputs/last_run_dir.txt")"
+  status="$run_dir/status_matrix.json"
+  flag="$(net_flag)"
+
+  ok_proof=false; ok_txid=false; ok_seen=false
+  [[ -f "$run_dir/PROOF.json" ]] && ok_proof=true
+  if [[ -f "$run_dir/txid.txt" ]]; then
+    txid="$(cat "$run_dir/txid.txt")"
+    [[ -n "$txid" ]] && ok_txid=true
+    if bitcoin-cli $flag getrawtransaction "$txid" >/dev/null 2>&1; then
+      ok_seen=true
+    fi
+  fi
+
+  blockers="[]"
+  if [[ "$ok_txid" != "true" ]]; then blockers='["missing_txid"]'
+  elif [[ "$ok_seen" != "true" ]]; then blockers='["tx_not_found_yet_mempool_or_index"]'
+  fi
+
+  cat > "$status" <<EOF
+{
+  "skill": "btc-anchor",
+  "timestamp": "$(date -Iseconds)",
+  "run_dir": "$(json_escape "$run_dir")",
+  "checks": [
+    {"name":"proof_present", "ok": $ok_proof},
+    {"name":"txid_present", "ok": $ok_txid},
+    {"name":"tx_seen_by_node", "ok": $ok_seen}
+  ],
+  "blockers": $blockers,
+  "warnings": [],
+  "next_steps": ["proof-verifier"]
+}
+EOF
+  log_info "Wrote $status"
+  cat "$status"
+}
+main "$@"