feat: 周期账单 — 自动生成定期交易（房租/订阅/工资）

client/src/api/recurring.ts

@@ -0,0 +1,64 @@
+import { request } from '@/utils/request'
+
+/** 周期模板 */
+export interface RecurringTemplate {
+  id: number
+  user_id: number
+  amount: number
+  type: 'expense' | 'income'
+  category_id: number
+  note: string
+  frequency: 'weekly' | 'monthly' | 'yearly'
+  next_date: string
+  end_date: string | null
+  is_active: number
+  group_id: number | null
+  category_name?: string
+  category_icon?: string
+  category_color?: string
+  created_at: string
+  updated_at: string
+}
+
+/** 获取周期模板列表 */
+export function getRecurringTemplates() {
+  return request<RecurringTemplate[]>({ url: '/recurring' })
+}
+
+/** 创建周期模板 */
+export function createRecurringTemplate(data: {
+  amount: number
+  type: 'expense' | 'income'
+  category_id: number
+  note?: string
+  frequency: 'weekly' | 'monthly' | 'yearly'
+  next_date: string
+  end_date?: string | null
+  group_id?: number | null
+}) {
+  return request<{ id: number }>({ url: '/recurring', method: 'POST', data })
+}
+
+/** 更新周期模板 */
+export function updateRecurringTemplate(id: number, data: {
+  amount?: number
+  type?: 'expense' | 'income'
+  category_id?: number
+  note?: string
+  frequency?: 'weekly' | 'monthly' | 'yearly'
+  next_date?: string
+  end_date?: string | null
+  is_active?: number
+}) {
+  return request({ url: `/recurring/${id}`, method: 'PUT', data })
+}
+
+/** 删除周期模板 */
+export function deleteRecurringTemplate(id: number) {
+  return request({ url: `/recurring/${id}`, method: 'DELETE' })
+}
+
+/** 同步周期账单（生成到期交易） */
+export function syncRecurring() {
+  return request<{ generated: number }>({ url: '/recurring/sync', method: 'POST' })
+}