update pay function

nginx-update.sh

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+#!/bin/bash
+# Nginx 配置更新脚本
+# 在 HTTPS server 块中添加 AgentChat 代理配置
+
+echo "========================================="
+echo "Nginx 配置更新 - 添加 AgentChat 代理"
+echo "========================================="
+
+# 备份原配置
+echo "1. 备份原配置文件..."
+sudo cp /etc/nginx/sites-available/valuefrontier /etc/nginx/sites-available/valuefrontier.backup.$(date +%Y%m%d_%H%M%S)
+
+echo "2. 添加 AgentChat 配置..."
+echo ""
+echo "请在 valuefrontier.conf 的 HTTPS server 块中（大约第 228 行，chat/ 配置之前）添加以下内容："
+echo ""
+cat << 'EOF'
+    # ============================================
+    # AI Chat 应用 (Next.js) - MCP 集成
+    # ============================================
+
+    # AgentChat 应用代理
+    location /ai-chat {
+        # 重写路径，去掉 /ai-chat 前缀
+        rewrite ^/ai-chat(.*)$ $1 break;
+
+        proxy_pass http://127.0.0.1:3000;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+
+        # 保持 Cookie 传递（重要：Session 共享）
+        proxy_set_header Cookie $http_cookie;
+        proxy_pass_request_headers on;
+
+        # WebSocket 支持
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+
+        # 禁用缓冲，支持流式响应
+        proxy_buffering off;
+        proxy_cache off;
+
+        # 超时设置
+        proxy_connect_timeout 60s;
+        proxy_send_timeout 300s;
+        proxy_read_timeout 300s;
+    }
+
+    # Next.js 静态资源
+    location ~ ^/ai-chat/(_next|__nextjs) {
+        rewrite ^/ai-chat(.*)$ $1 break;
+
+        proxy_pass http://127.0.0.1:3000;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+
+        # 静态资源缓存
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+EOF
+
+echo ""
+echo "3. 编辑配置文件："
+echo "   sudo nano /etc/nginx/sites-available/valuefrontier"
+echo ""
+echo "4. 在第 227 行（location /chat/ { 之前）插入上述配置"
+echo ""
+echo "5. 保存并测试配置："
+echo "   sudo nginx -t"
+echo ""
+echo "6. 如果测试通过，重载 Nginx："
+echo "   sudo nginx -s reload"
+echo ""
+echo "========================================="