fix(dashboards): add sample badge and TODO for dummy insights

Mark marketing insights as sample data with amber badge and add
TODO comment for replacing dummy data with AI-generated insights.

LFXV2-1220

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Misha Rautela <mrautela@linuxfoundation.org>

Author: mrautela365

apps/lfx-one/src/app/modules/dashboards/executive-director/components/marketing-overview/marketing-overview.component.html

@@ -36,6 +36,7 @@ <h2 class="mb-0">Marketing Overview</h2>
         <div class="flex items-center gap-2 mb-3">
           <i class="fa-light fa-lightbulb w-4 h-4 text-gray-500 flex-shrink-0"></i>
           <h5 class="text-sm font-medium">Marketing Metrics</h5>
+          <span class="px-1.5 py-0.5 text-[10px] font-medium text-amber-700 bg-amber-50 border border-amber-200 rounded-full">Sample</span>
         </div>
         <div class="flex-1 flex flex-col gap-1.5 p-3 bg-gray-50 rounded-lg">
           <h6 class="flex items-center gap-1.5 text-xs font-semibold text-gray-900 mb-1">

apps/lfx-one/src/app/modules/dashboards/executive-director/components/marketing-overview/marketing-overview.component.ts

@@ -41,7 +41,7 @@ export class MarketingOverviewComponent {
   // === Constants ===
   protected readonly DashboardDrawerType = DashboardDrawerType;
 
-  // === Dummy Data ===
+  // === Dummy Data — TODO: Replace with AI-generated insights from Snowflake data ===
   protected readonly marketingInsights: string[] = [
     'Primary driver: Email CTR declined due to weaker newsletter engagement',
     'Event registrations increased 18% vs last month driven by KubeCon promotion',