feat(monitoring): exclude qwen from content citation resolution

Skip article alias resolution and content-citation aggregates when the
platform is qwen, and hide the content-citation badge/meta in the
tracking detail view, since qwen's source URLs are not reliable enough
to map to brand articles.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

server/internal/tenant/app/monitoring_projection.go

@@ -214,6 +214,7 @@ func (s *MonitoringCallbackService) loadMonitoringBrandDailyAggregate(ctx contex
 		WHERE cf.tenant_id = $1
 		  AND cf.brand_id = $2
 		  AND cf.article_id IS NOT NULL
+		  AND r.ai_platform_id <> 'qwen'
 		  AND r.collector_type = $3
 		  AND r.business_date = $4::date
 		  AND r.status = 'succeeded'