curl -X GET "https://api.example.com/api/v2/admin/announcements/active" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "X-Tenant-ID: your-tenant-id"

{
  "success": true,
  "data": [
    {
      "id": 1,
      "tenant_id": "tenant-123",
      "title": "System Maintenance Scheduled",
      "summary": "We will be performing scheduled maintenance on our servers.",
      "content": "Our servers will be undergoing scheduled maintenance on Sunday, December 15th from 2:00 AM to 4:00 AM EST. During this time, you may experience brief service interruptions.",
      "type": "warning",
      "priority": 1,
      "status": "published",
      "is_public": false,
      "expires_at": "2024-12-16T00:00:00Z",
      "topic": "SYSTEM",
      "attachment_type": null,
      "attachment_url": null,
      "attachment_metadata": null,
      "created_at": "2024-12-11T09:30:00Z",
      "is_read": false,
      "is_dismissed": false
    },
    {
      "id": 2,
      "tenant_id": "tenant-123",
      "title": "New Feature Release",
      "summary": "We have released exciting new features!",
      "content": "Check out our new dashboard improvements and enhanced reporting capabilities.",
      "type": "success",
      "priority": 0,
      "status": "published",
      "is_public": false,
      "expires_at": null,
      "topic": "FEATURES",
      "attachment_type": "link",
      "attachment_url": "https://example.com/features",
      "attachment_metadata": {
        "button_text": "Learn More"
      },
      "created_at": "2024-12-11T14:30:00Z",
      "is_read": true,
      "is_dismissed": false
    }
  ]
}