Initial commit: TradeMate 外贸小助手 MVP

项目结构:
- backend/     Python FastAPI 后端
- uni-app/     uni-app跨端前端
- docs/        设计文档
- docker-compose.yml  Docker编排
- nginx/scripts/systemd 运维配置

已完成功能:
- 用户认证 (JWT)
- 智能翻译 + 回复建议
- 营销素材生成
- 客户管理 + 沉默检测
- 报价单管理
- 产品库管理
- 汇率换算
- 推送通知 (uni-push)
- WhatsApp Webhook框架
- Celery定时任务

scripts/backup.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -e
+
+BACKUP_DIR="/opt/trademate/backups"
+DATE=$(date +%Y%m%d_%H%M%S)
+DB_NAME="tradmate"
+DB_USER="tradmate"
+
+mkdir -p "$BACKUP_DIR"
+
+echo "Backing up database..."
+pg_dump -U "$DB_USER" -h localhost "$DB_NAME" > "$BACKUP_DIR/db_$DATE.sql"
+
+find "$BACKUP_DIR" -name "db_*.sql" -mtime +7 -delete
+
+echo "Backing up uploads..."
+if [ -d "/opt/trademate/backend/uploads" ]; then
+    tar -czf "$BACKUP_DIR/uploads_$DATE.tar.gz" -C /opt/trademate/backend uploads
+fi
+
+find "$BACKUP_DIR" -name "uploads_*.tar.gz" -mtime +7 -delete
+
+echo "Backup completed: $DATE"
+echo "Files saved to $BACKUP_DIR"