fix(trading): 销毁和快照只在交易系统激活时执行

- BurnScheduler 检查 trading_configs.isActive 状态
- 交易系统未激活时跳过每分钟销毁和价格快照
- 交易系统未激活时跳过每小时状态日志

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

backend/services/trading-service/src/application/schedulers/burn.scheduler.ts

@@ -3,6 +3,7 @@ import { Cron, CronExpression } from '@nestjs/schedule';
 import { BurnService } from '../services/burn.service';
 import { PriceService } from '../services/price.service';
 import { RedisService } from '../../infrastructure/redis/redis.service';
+import { TradingConfigRepository } from '../../infrastructure/persistence/repositories/trading-config.repository';
 
 @Injectable()
 export class BurnScheduler implements OnModuleInit {
@@ -12,6 +13,7 @@ export class BurnScheduler implements OnModuleInit {
     private readonly burnService: BurnService,
     private readonly priceService: PriceService,
     private readonly redis: RedisService,
+    private readonly tradingConfigRepository: TradingConfigRepository,
   ) {}
 
   async onModuleInit() {
@@ -32,10 +34,19 @@ export class BurnScheduler implements OnModuleInit {
    *
    * 注意：销毁和快照必须在同一个任务中顺序执行，
    * 确保快照总是捕获销毁后的最新价格，避免K线出现价格不变的情况
+   *
+   * 只有当交易系统激活时才执行销毁和快照
    */
   @Cron(CronExpression.EVERY_MINUTE)
   async executeMinuteBurnAndSnapshot(): Promise<void> {
     try {
+      // 检查交易系统是否激活
+      const config = await this.tradingConfigRepository.getConfig();
+      if (!config || !config.isActive) {
+        // 交易系统未激活，跳过销毁和快照
+        return;
+      }
+
       // 1. 先执行销毁
       const burnAmount = await this.burnService.executeMinuteBurn();
       if (!burnAmount.isZero()) {
@@ -71,11 +82,17 @@ export class BurnScheduler implements OnModuleInit {
   }
 
   /**
-   * 每小时记录销毁状态日志
+   * 每小时记录销毁状态日志（只在交易系统激活时记录）
    */
   @Cron('0 * * * *') // 每小时整点
   async logBurnStatus(): Promise<void> {
     try {
+      // 检查交易系统是否激活
+      const config = await this.tradingConfigRepository.getConfig();
+      if (!config || !config.isActive) {
+        return;
+      }
+
       const status = await this.burnService.getBurnStatus();
       this.logger.log(
         `Burn status: burned=${status.totalBurned}, ` +