chore: sync with upstream e7cb442 + update zh translations

.claude/skills/oneskill/src/core/fs.ts

@@ -0,0 +1,24 @@
+import { mkdirSync, readFileSync, writeFileSync, existsSync } from 'fs';
+import { dirname, resolve, sep } from 'path';
+
+export function ensureDir(path: string): void {
+  mkdirSync(path, { recursive: true });
+}
+
+export function readJsonFile<T>(path: string): T | null {
+  if (!existsSync(path)) return null;
+  const content = readFileSync(path, 'utf-8');
+  return JSON.parse(content) as T;
+}
+
+export function writeJsonFile(path: string, data: unknown): void {
+  ensureDir(dirname(path));
+  writeFileSync(path, JSON.stringify(data, null, 2) + '\n', 'utf-8');
+}
+
+export function isPathInside(targetPath: string, baseDir: string): boolean {
+  const resolvedTarget = resolve(targetPath);
+  const resolvedBase = resolve(baseDir);
+  const baseWithSep = resolvedBase.endsWith(sep) ? resolvedBase : resolvedBase + sep;
+  return resolvedTarget === resolvedBase || resolvedTarget.startsWith(baseWithSep);
+}