fix(trading): 添加 original_quantity 数据库迁移文件

修复服务器上缺少 trades.original_quantity 列的问题

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -791,7 +791,8 @@
       "Bash(ssh -o ProxyJump=ceshi@103.39.231.231 ceshi@192.168.1.111 \"ls -la /home/ceshi/rwadurian/backend/services/\")",
       "Bash(where:*)",
       "Bash(npx md-to-pdf:*)",
-      "Bash(ssh -J ceshi@103.39.231.231 ceshi@192.168.1.111 \"curl -s ''http://localhost:3000/api/price/klines?period=1h&limit=5'' | head -500\")"
+      "Bash(ssh -J ceshi@103.39.231.231 ceshi@192.168.1.111 \"curl -s ''http://localhost:3000/api/price/klines?period=1h&limit=5'' | head -500\")",
+      "Bash(dir /b /ad \"c:\\\\Users\\\\dong\\\\Desktop\\\\rwadurian\\\\backend\")"
     ],
     "deny": [],
     "ask": []

backend/services/trading-service/prisma/migrations/0009_add_original_quantity/migration.sql

@@ -0,0 +1,2 @@
+-- Add original_quantity column to trades table
+ALTER TABLE "trades" ADD COLUMN IF NOT EXISTS "original_quantity" DECIMAL(30, 8) NOT NULL DEFAULT 0;