feat: 分类锚点&质量检查&依赖治理

- 分类生成唯一 slug，模板/子菜单/滚动/扩展定位统一使用 data-id
- lint 覆盖 src/scripts/test，CI 增量格式检查
- 清理冗余依赖，升级 esbuild，overrides 修复审计项
- 补充单测并更新修复清单

test/navigation-submenu-uses-category-slug.node-test.js

@@ -0,0 +1,43 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const path = require('node:path');
+
+const { loadHandlebarsTemplates, generateHTML } = require('../src/generator.js');
+
+function withRepoRoot(fn) {
+  const originalCwd = process.cwd();
+  process.chdir(path.join(__dirname, '..'));
+  try {
+    return fn();
+  } finally {
+    process.chdir(originalCwd);
+  }
+}
+
+test('P1-2：子菜单锚点应使用分类 slug（href + data-category-id）', () => {
+  withRepoRoot(() => {
+    loadHandlebarsTemplates();
+
+    const config = {
+      site: { title: 'Test Site', description: '', author: '', favicon: '', logo_text: 'Test' },
+      profile: { title: 'PROFILE_TITLE', subtitle: 'PROFILE_SUBTITLE' },
+      social: [],
+      navigation: [{ id: 'home', name: '首页', icon: 'fas fa-home' }],
+      home: {
+        title: 'HOME',
+        subtitle: 'HOME_SUB',
+        template: 'page',
+        categories: [
+          { name: '重复 分类', icon: 'fas fa-tag', sites: [] },
+          { name: '重复 分类', icon: 'fas fa-tag', sites: [] },
+        ],
+      },
+    };
+
+    const html = generateHTML(config);
+
+    assert.ok(html.includes('class="submenu-item"'), '应输出子菜单项');
+    assert.ok(html.includes('href="#重复-分类"'), '子菜单 href 应指向 slug');
+    assert.ok(html.includes('data-category-id="重复-分类"'), '子菜单应携带 data-category-id');
+  });
+});