feat: initialize OmniClaw skills registry

tools/install.sh

@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SKILL_NAME="${1:-}"
+VERSION="${2:-latest}"
+REPO_URL="${OMNICLAW_SKILLS_REPO:-https://git.omniclaw.store/zsb/omniclaw-skills.git}"
+RAW_BASE_URL="${OMNICLAW_SKILLS_RAW_BASE_URL:-https://git.omniclaw.store/zsb/omniclaw-skills/raw/branch/main}"
+DEST_DIR="${CODEX_HOME:-$HOME/.codex}/skills"
+
+if [[ -z "$SKILL_NAME" ]]; then
+  echo "Usage: install.sh <skill-name> [version]" >&2
+  exit 2
+fi
+
+require_cmd() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    echo "Missing required command: $1" >&2
+    exit 2
+  fi
+}
+
+require_cmd mktemp
+require_cmd node
+require_cmd tar
+require_cmd shasum
+
+tmp_dir="$(mktemp -d)"
+cleanup() {
+  rm -rf "$tmp_dir"
+}
+trap cleanup EXIT
+
+manifest="$tmp_dir/manifest.json"
+if [[ -d "$RAW_BASE_URL" && -f "$RAW_BASE_URL/registry/manifest.json" ]]; then
+  cp "$RAW_BASE_URL/registry/manifest.json" "$manifest"
+elif command -v curl >/dev/null 2>&1; then
+  curl -fsSL "$RAW_BASE_URL/registry/manifest.json" -o "$manifest" || true
+elif command -v wget >/dev/null 2>&1; then
+  wget -qO "$manifest" "$RAW_BASE_URL/registry/manifest.json" || true
+else
+  : > "$manifest"
+fi
+
+if [[ ! -s "$manifest" ]]; then
+  require_cmd git
+  git clone --depth 1 "$REPO_URL" "$tmp_dir/repo"
+  if [[ ! -f "$tmp_dir/repo/registry/manifest.json" ]]; then
+    echo "Unable to find registry/manifest.json from $REPO_URL" >&2
+    exit 1
+  fi
+  cp "$tmp_dir/repo/registry/manifest.json" "$manifest"
+  RAW_BASE_URL="$tmp_dir/repo"
+fi
+
+node_script='
+const fs = require("fs");
+const manifest = JSON.parse(fs.readFileSync(process.argv[1], "utf8"));
+const name = process.argv[2];
+const version = process.argv[3];
+const skill = manifest.skills.find((item) => item.name === name && (version === "latest" || item.version === version));
+if (!skill) {
+  console.error(`Skill not found: ${name}@${version}`);
+  process.exit(1);
+}
+console.log(JSON.stringify(skill));
+'
+
+skill_json="$(node -e "$node_script" "$manifest" "$SKILL_NAME" "$VERSION")"
+package_path="$(printf '%s' "$skill_json" | node -e 'let s="";process.stdin.on("data",c=>s+=c);process.stdin.on("end",()=>console.log(JSON.parse(s).package));')"
+expected_sha="$(printf '%s' "$skill_json" | node -e 'let s="";process.stdin.on("data",c=>s+=c);process.stdin.on("end",()=>console.log(JSON.parse(s).sha256));')"
+
+archive="$tmp_dir/skill.tar.gz"
+if [[ -d "$RAW_BASE_URL" ]]; then
+  cp "$RAW_BASE_URL/$package_path" "$archive"
+elif command -v curl >/dev/null 2>&1; then
+  curl -fsSL "$RAW_BASE_URL/$package_path" -o "$archive"
+else
+  wget -qO "$archive" "$RAW_BASE_URL/$package_path"
+fi
+
+actual_sha="$(shasum -a 256 "$archive" | awk '{print $1}')"
+if [[ "$actual_sha" != "$expected_sha" ]]; then
+  echo "Checksum mismatch for $package_path" >&2
+  echo "expected: $expected_sha" >&2
+  echo "actual:   $actual_sha" >&2
+  exit 1
+fi
+
+mkdir -p "$DEST_DIR"
+target="$DEST_DIR/$SKILL_NAME"
+if [[ -e "$target" ]]; then
+  backup="$target.backup.$(date +%Y%m%d%H%M%S)"
+  mv "$target" "$backup"
+  echo "Existing skill moved to $backup"
+fi
+
+tar -xzf "$archive" -C "$DEST_DIR"
+echo "Installed $SKILL_NAME to $DEST_DIR/$SKILL_NAME"
+echo "Restart Codex to pick up new skills."