feat(tools): paths.mjs 路径解析与工程发现

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

cocoscreator_projects/scripts/lib/paths.mjs

@@ -0,0 +1,27 @@
+import { fileURLToPath } from 'node:url';
+import { dirname, join, resolve } from 'node:path';
+import { readFileSync, readdirSync, existsSync } from 'node:fs';
+
+// 本文件位于 <monorepo>/scripts/lib/paths.mjs → 上溯两级为 monorepo 根
+export const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..', '..');
+export const HOST_PROJECT = join(ROOT, 'YouleNexus');
+export const FRAMEWORK_SRC = join(HOST_PROJECT, 'assets', 'framework');
+export const GAMES_DIR = join(ROOT, 'games');
+export const SEED_DIR = join(ROOT, 'templates', 'game-seed');
+
+export function readCreatorVersion(projectDir) {
+  try {
+    const pkg = JSON.parse(readFileSync(join(projectDir, 'package.json'), 'utf8'));
+    return pkg?.creator?.version ?? null;
+  } catch {
+    return null;
+  }
+}
+
+export function listGameProjects(gamesDir = GAMES_DIR) {
+  if (!existsSync(gamesDir)) return [];
+  return readdirSync(gamesDir, { withFileTypes: true })
+    .filter((d) => d.isDirectory())
+    .map((d) => join(gamesDir, d.name))
+    .filter((dir) => existsSync(join(dir, 'package.json')));
+}