fix: stripe initialization crash and port collision

.env

@@ -4,5 +4,5 @@ OPENAI_API_BASE_URL=https://api.siliconflow.cn/v1
 MODEL_NAME=Qwen/Qwen2.5-7B-Instruct
 
 # 部署配置
-PORT=3000
+PORT=7860
 NODE_ENV=development

api/services/stripe.service.ts

@@ -4,10 +4,15 @@ import { supabase } from '../lib/supabase.js';
 
 dotenv.config();
 
-const stripe = new Stripe(process.env.STRIPE_SECRET_KEY || '', {
+const STRIPE_KEY = process.env.STRIPE_SECRET_KEY || 'sk_test_mock_key_for_demo';
+const stripe = new Stripe(STRIPE_KEY, {
   apiVersion: '2024-11-20.acacia' as any,
 });
 
+if (!process.env.STRIPE_SECRET_KEY) {
+  console.warn('[Stripe] 未检测到 STRIPE_SECRET_KEY，支付功能将处于模拟模式。');
+}
+
 export class StripeService {
   /**
    * 为用户创建 Stripe 客户

vite.config.ts

@@ -38,7 +38,7 @@ export default defineConfig({
   server: {
     proxy: {
       '/api': {
-        target: 'http://localhost:3001',
+        target: 'http://localhost:7860',
         changeOrigin: true,
       },
     },