feat(admin,api,player): 返水流程优化、账单详情与数据库重置

优化返水预览/确认/作废，新增玩家账变详情与后台一键重置为 seed 数据，并修复 dev 启动时 3000 端口占用。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/applications/player/player.controller.ts

@@ -255,6 +255,15 @@ export class PlayerController {
     return jsonResponse(result);
   }
 
+  @Get('wallet/transactions/:transactionId')
+  async transactionDetail(
+    @CurrentUser('id') userId: bigint,
+    @Param('transactionId') transactionId: string,
+  ) {
+    const detail = await this.wallet.getTransactionDetail(userId, transactionId);
+    return jsonResponse(detail);
+  }
+
   @Get('cashbacks')
   async cashbacks(@CurrentUser('id') userId: bigint) {
     const items = await this.cashback.getUserCashbacks(userId);