init: 初始化 VitePress 官网项目

docs/.vitepress/utils/knowledge.ts

@@ -0,0 +1,58 @@
+export type KnowledgeCategory =
+  | 'exam_policy'
+  | 'school_intro'
+  | 'major_guide'
+  | 'study_method'
+  | 'experience'
+  | 'policy'
+  | 'company'
+  | 'guide'
+  | 'announcement'
+
+export interface KnowledgeArticle {
+  id: string
+  title: string
+  summary: string
+  content: string
+  category: KnowledgeCategory
+  tags: string[]
+  coverImage?: string
+  author?: string
+  isTop?: boolean
+  publishedAt?: string
+  createdAt?: string
+  updatedAt?: string
+  viewCount: number
+}
+
+export const categoryLabel: Record<string, string> = {
+  exam_policy: '考试政策',
+  school_intro: '院校介绍',
+  major_guide: '专业指南',
+  study_method: '复习规划',
+  experience: '学长经验',
+  policy: '政策解读',
+  company: '集团新闻',
+  guide: '备考指南',
+  announcement: '公告通知',
+}
+
+export const categories: { key: KnowledgeCategory | ''; label: string }[] = [
+  { key: '', label: '全部' },
+  { key: 'exam_policy', label: '考试政策' },
+  { key: 'school_intro', label: '院校专业' },
+  { key: 'major_guide', label: '专业指南' },
+  { key: 'study_method', label: '复习规划' },
+  { key: 'experience', label: '学长经验' },
+]
+
+export function formatDate(dateStr?: string) {
+  if (!dateStr) return ''
+  return new Date(dateStr).toLocaleDateString('zh-CN', { year: 'numeric', month: 'long', day: 'numeric' })
+}
+
+export function formatViewCount(count: number) {
+  if (count >= 10000) return `${(count / 10000).toFixed(1)}w+`
+  if (count >= 1000) return `${(count / 1000).toFixed(1)}k`
+  return String(count)
+}