feat: 医护仪表盘增强 + 患者端文章分类浏览

- DoctorDashboard 增加 pending_dialysis_review/pending_lab_review/today_appointments
- 医护小程序首页增加「健康审核」区块（待审透析/化验/今日预约）
- 患者端文章列表增加分类 tabs 横向滚动筛选
- article service 增加 listCategories + category_id 筛选

apps/miniprogram/src/services/article.ts

@@ -7,17 +7,40 @@ export interface Article {
   content?: string;
   cover_image?: string;
   category?: string;
+  category_id?: string;
+  category_name?: string;
+  tags?: { id: string; name: string }[];
   published_at?: string;
   author?: string;
+  view_count?: number;
 }
 
-export async function listArticles(page = 1) {
+export interface ArticleCategory {
+  id: string;
+  name: string;
+  parent_id?: string;
+  children?: ArticleCategory[];
+}
+
+export async function listArticles(params?: {
+  page?: number;
+  page_size?: number;
+  category_id?: string;
+  tag_id?: string;
+  keyword?: string;
+}) {
   return api.get<{ data: Article[]; total: number }>('/health/articles', {
-    page,
-    page_size: 20,
+    page: params?.page ?? 1,
+    page_size: params?.page_size ?? 20,
+    status: 'published',
+    ...params,
   });
 }
 
 export async function getArticleDetail(id: string) {
   return api.get<Article>(`/health/articles/${id}`);
 }
+
+export async function listCategories() {
+  return api.get<ArticleCategory[]>('/health/article-categories');
+}

apps/miniprogram/src/services/doctor.ts

@@ -8,6 +8,9 @@ export interface DoctorDashboard {
   unread_messages: number;
   pending_follow_ups: number;
   today_consultations: number;
+  pending_dialysis_review: number;
+  pending_lab_review: number;
+  today_appointments: number;
 }
 
 export async function getDashboard() {