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/promo.module.ts

@@ -1,13 +1,16 @@
 import { Module } from '@nestjs/common';
 import { JwtModule } from '@nestjs/jwt';
+import { GeoModule } from '../../common/geo/geo.module';
 import { IntegrationsModule } from '../../integrations/integrations.module';
 import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard';
 import { HqAuthGuard } from '../../common/guards/hq-auth.guard';
 import { AdminPromoCodeController } from './admin-promo-code.controller';
 import { PromoCodeService } from './promo-code.service';
+import { PromoMetricLogService } from './promo-metric-log.service';
 
 @Module({
   imports: [
+    GeoModule,
     IntegrationsModule,
     JwtModule.register({
       secret: process.env.JWT_SECRET || 'dukang-prev1-dev-secret',
@@ -15,7 +18,7 @@ import { PromoCodeService } from './promo-code.service';
     }),
   ],
   controllers: [AdminPromoCodeController],
-  providers: [PromoCodeService, JwtAuthGuard, HqAuthGuard],
+  providers: [PromoCodeService, PromoMetricLogService, JwtAuthGuard, HqAuthGuard],
   exports: [PromoCodeService],
 })
 export class PromoModule {}