fix: connect API to tracker.db via SQLite repository

apps/web/src/api/subscription.ts

@@ -0,0 +1,67 @@
+/**
+ * 订阅相关 API
+ */
+import apiClient from './client';
+
+// 类型定义
+export interface SubscriptionPlan {
+  name: 'free' | 'pro' | 'enterprise';
+  display_name: string;
+  price: number;
+  currency: string;
+  max_projects: number;
+  max_storage_gb: number;
+  features: string[];
+}
+
+export interface QuotaStatus {
+  projects: {
+    used: number;
+    limit: number;
+    status: 'normal' | 'warning' | 'critical' | 'exceeded';
+  };
+  storage: {
+    used_gb: number;
+    limit_gb: number;
+    status: 'normal' | 'warning' | 'critical' | 'exceeded';
+  };
+}
+
+// 获取所有订阅计划
+export const getPlans = async (): Promise<SubscriptionPlan[]> => {
+  const response = await apiClient.get('/subscriptions/plans');
+  return response.data;
+};
+
+// 获取当前订阅
+export const getCurrentSubscription = async (
+  workspaceId: string
+): Promise<SubscriptionPlan> => {
+  const response = await apiClient.get(`/workspaces/${workspaceId}/subscription`);
+  return response.data;
+};
+
+// 升级订阅
+export const upgradeSubscription = async (
+  workspaceId: string,
+  plan: 'pro' | 'enterprise'
+): Promise<{ message: string }> => {
+  const response = await apiClient.post(`/workspaces/${workspaceId}/subscription/upgrade`, {
+    plan,
+  });
+  return response.data;
+};
+
+// 取消订阅
+export const cancelSubscription = async (
+  workspaceId: string
+): Promise<{ message: string }> => {
+  const response = await apiClient.post(`/workspaces/${workspaceId}/subscription/cancel`);
+  return response.data;
+};
+
+// 获取配额状态
+export const getQuotaStatus = async (workspaceId: string): Promise<QuotaStatus> => {
+  const response = await apiClient.get(`/workspaces/${workspaceId}/quota`);
+  return response.data;
+};