refactor: unify skill cdp and release artifacts

scripts/prepare-skill-artifact.mjs

@@ -0,0 +1,64 @@
+#!/usr/bin/env node
+
+import path from "node:path";
+
+import { collectReleaseFiles, materializeReleaseFiles } from "./lib/skill-artifact.mjs";
+
+async function main() {
+  const options = parseArgs(process.argv.slice(2));
+  if (!options.skillDir || !options.outDir) {
+    throw new Error("--skill-dir and --out-dir are required");
+  }
+
+  const skillDir = path.resolve(options.skillDir);
+  const outDir = path.resolve(options.outDir);
+  const files = await collectReleaseFiles(skillDir);
+  await materializeReleaseFiles(files, outDir);
+
+  console.log(`Prepared artifact for ${path.basename(skillDir)}`);
+  console.log(`Source: ${skillDir}`);
+  console.log(`Output: ${outDir}`);
+  console.log(`Files: ${files.length}`);
+}
+
+function parseArgs(argv) {
+  const options = {
+    skillDir: "",
+    outDir: "",
+  };
+
+  for (let index = 0; index < argv.length; index += 1) {
+    const arg = argv[index];
+    if (arg === "--skill-dir") {
+      options.skillDir = argv[index + 1] ?? "";
+      index += 1;
+      continue;
+    }
+    if (arg === "--out-dir") {
+      options.outDir = argv[index + 1] ?? "";
+      index += 1;
+      continue;
+    }
+    if (arg === "-h" || arg === "--help") {
+      printUsage();
+      process.exit(0);
+    }
+    throw new Error(`Unknown argument: ${arg}`);
+  }
+
+  return options;
+}
+
+function printUsage() {
+  console.log(`Usage: prepare-skill-artifact.mjs --skill-dir <dir> --out-dir <dir>
+
+Options:
+  --skill-dir <dir>   Source skill directory
+  --out-dir <dir>     Artifact output directory
+  -h, --help          Show help`);
+}
+
+main().catch((error) => {
+  console.error(error instanceof Error ? error.message : String(error));
+  process.exit(1);
+});