feat: add realtime visitor tracking page and session journey view

components/dashboard/RealtimeVisitors.tsx

@@ -1,12 +1,20 @@
 'use client'
 
+import { useRouter } from 'next/navigation'
+
 interface RealtimeVisitorsProps {
   count: number
+  siteId?: string
 }
 
-export default function RealtimeVisitors({ count }: RealtimeVisitorsProps) {
+export default function RealtimeVisitors({ count, siteId }: RealtimeVisitorsProps) {
+  const router = useRouter()
+  
   return (
-    <div className="bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-xl p-6">
+    <div 
+      onClick={() => siteId && router.push(`/sites/${siteId}/realtime`)}
+      className={`bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-xl p-6 ${siteId ? 'cursor-pointer hover:border-neutral-300 dark:hover:border-neutral-700 transition-colors' : ''}`}
+    >
       <div className="flex items-center justify-between mb-2">
         <div className="text-sm text-neutral-600 dark:text-neutral-400">
           Real-time Visitors