feat(promo): promo metric event logs and HQ timeline charts (v3.4.13)

Add log_promo_event for scan/attribution/register/order with IP; admin metrics APIs and ECharts on promo detail page.

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

server/dukang-api/src/modules/promo/admin-promo-code.controller.ts

@@ -6,6 +6,8 @@ import { PromoCodeService } from './promo-code.service';
 import {
   CreatePromoCodeDto,
   PromoCodeListQueryDto,
+  PromoMetricEventsQueryDto,
+  PromoMetricTimelineQueryDto,
   UpdatePromoCodeDto,
   UpdatePromoCodeStatusDto,
 } from './dto/promo-code.dto';
@@ -39,6 +41,16 @@ export class AdminPromoCodeController {
     return this.service.stats(BigInt(id));
   }
 
+  @Get(':id/metrics/timeline')
+  metricsTimeline(@Param('id') id: string, @Query() query: PromoMetricTimelineQueryDto) {
+    return this.service.getMetricsTimeline(BigInt(id), query);
+  }
+
+  @Get(':id/metrics/events')
+  metricsEvents(@Param('id') id: string, @Query() query: PromoMetricEventsQueryDto) {
+    return this.service.listMetricEvents(BigInt(id), query);
+  }
+
   @Get(':id/qrcode')
   qrcode(@Param('id') id: string) {
     return this.service.getQrcodeUrl(BigInt(id));