feat: 归档旧迁移文件，创建初始化数据迁移和重置脚本

scripts/reset_db.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+# 重置数据库到干净状态（仅用于开发/测试环境）
+# 用途：将数据库从任意状态重置为全新的生产基线
+# 警告：此操作会清空所有数据，不可恢复！
+
+set -e
+
+DB_NAME="${JUNHONG_DATABASE_DBNAME:-junhong_cmp}"
+DB_HOST="${JUNHONG_DATABASE_HOST:-localhost}"
+DB_PORT="${JUNHONG_DATABASE_PORT:-5432}"
+DB_USER="${JUNHONG_DATABASE_USER:-postgres}"
+DB_PASSWORD="${JUNHONG_DATABASE_PASSWORD:-}"
+
+if [ -z "$DB_HOST" ] || [ -z "$DB_USER" ] || [ -z "$DB_NAME" ]; then
+    echo "错误：必须设置以下环境变量："
+    echo "  JUNHONG_DATABASE_HOST"
+    echo "  JUNHONG_DATABASE_USER"
+    echo "  JUNHONG_DATABASE_DBNAME"
+    exit 1
+fi
+
+DB_DSN="postgres://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}?sslmode=disable"
+ADMIN_DSN="postgres://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/postgres?sslmode=disable"
+
+echo "警告：即将清空数据库 ${DB_NAME}（${DB_HOST}:${DB_PORT}），5 秒后继续..."
+echo "按 Ctrl+C 取消"
+sleep 5
+
+echo "正在删除数据库 ${DB_NAME}..."
+PGPASSWORD="${DB_PASSWORD}" psql "${ADMIN_DSN}" -c "DROP DATABASE IF EXISTS ${DB_NAME};"
+
+echo "正在创建数据库 ${DB_NAME}..."
+PGPASSWORD="${DB_PASSWORD}" psql "${ADMIN_DSN}" -c "CREATE DATABASE ${DB_NAME};"
+
+echo "正在执行数据库迁移..."
+migrate -path migrations -database "${DB_DSN}" up
+
+echo "数据库重置完成！"
+echo "当前迁移状态："
+migrate -path migrations -database "${DB_DSN}" version