feat: 搭建微信小程序展示端

- 初始化小程序工程配置与类型声明

- 增加首页、律所、律师列表、详情与历史页面

- 补充公共组件、运行时配置与示例素材

frontend_miniprogram/miniprogram/utils/history.ts

@@ -0,0 +1,65 @@
+import { CARD_VIEW_HISTORY_KEY } from '../constants/storage';
+import type { CardViewRecord, Lawyer } from '../types/card';
+
+function normalizeLawyerSnapshot(input: unknown): Lawyer | undefined {
+  if (!input || typeof input !== 'object') {
+    return undefined;
+  }
+
+  const lawyer = input as Partial<Lawyer>;
+  if (typeof lawyer.id !== 'string' || !lawyer.id) {
+    return undefined;
+  }
+
+  return {
+    id: lawyer.id,
+    name: typeof lawyer.name === 'string' ? lawyer.name : '',
+    title: typeof lawyer.title === 'string' ? lawyer.title : '',
+    office: typeof lawyer.office === 'string' ? lawyer.office : '',
+    phone: typeof lawyer.phone === 'string' ? lawyer.phone : '',
+    email: typeof lawyer.email === 'string' ? lawyer.email : '',
+    address: typeof lawyer.address === 'string' ? lawyer.address : '',
+    avatar: typeof lawyer.avatar === 'string' ? lawyer.avatar : '',
+    coverImage: typeof lawyer.coverImage === 'string' ? lawyer.coverImage : '',
+    specialties: Array.isArray(lawyer.specialties)
+      ? lawyer.specialties.filter((item): item is string => typeof item === 'string')
+      : [],
+    bio: typeof lawyer.bio === 'string' ? lawyer.bio : '',
+    wechatQrImage: typeof lawyer.wechatQrImage === 'string' ? lawyer.wechatQrImage : '',
+  };
+}
+
+export function getCardViewHistory(): CardViewRecord[] {
+  const raw = wx.getStorageSync(CARD_VIEW_HISTORY_KEY);
+  if (!Array.isArray(raw)) {
+    return [];
+  }
+  return raw
+    .map((item) => {
+      const record = item as { lawyerId?: unknown; viewedAt?: unknown; lawyer?: unknown };
+      const lawyerId = typeof record.lawyerId === 'string' ? record.lawyerId : '';
+      const viewedAt = typeof record.viewedAt === 'number' ? record.viewedAt : 0;
+      const lawyer = normalizeLawyerSnapshot(record.lawyer);
+      return { lawyerId, viewedAt, lawyer };
+    })
+    .filter((item) => Boolean(item.lawyerId) && item.viewedAt > 0)
+    .sort((a, b) => b.viewedAt - a.viewedAt);
+}
+
+export function appendCardViewRecord(lawyer: Lawyer): void {
+  if (!lawyer.id) {
+    return;
+  }
+
+  const current = getCardViewHistory().filter((item) => item.lawyerId !== lawyer.id);
+  current.unshift({
+    lawyerId: lawyer.id,
+    viewedAt: Date.now(),
+    lawyer,
+  });
+  wx.setStorageSync(CARD_VIEW_HISTORY_KEY, current);
+}
+
+export function clearCardViewHistory(): void {
+  wx.removeStorageSync(CARD_VIEW_HISTORY_KEY);
+}