feat: implement custom events tracking and goals management in the dashboard

components/dashboard/GoalStats.tsx

@@ -0,0 +1,51 @@
+'use client'
+
+import { formatNumber } from '@/lib/utils/format'
+import type { GoalCountStat } from '@/lib/api/stats'
+
+interface GoalStatsProps {
+  goalCounts: GoalCountStat[]
+  siteId: string
+  dateRange: { start: string; end: string }
+}
+
+const LIMIT = 10
+
+export default function GoalStats({ goalCounts, siteId, dateRange }: GoalStatsProps) {
+  const list = (goalCounts || []).slice(0, LIMIT)
+  const hasData = list.length > 0
+
+  return (
+    <div className="bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-xl p-6 h-full flex flex-col">
+      <div className="flex items-center justify-between mb-4">
+        <h3 className="text-lg font-semibold text-neutral-900 dark:text-white">
+          Goals & Events
+        </h3>
+      </div>
+
+      <div className="space-y-2 flex-1 min-h-[200px]">
+        {hasData ? (
+          list.map((row) => (
+            <div
+              key={row.event_name}
+              className="flex items-center justify-between py-2 px-3 rounded-lg bg-neutral-50 dark:bg-neutral-800/50 hover:bg-neutral-100 dark:hover:bg-neutral-800 transition-colors"
+            >
+              <span className="text-sm font-medium text-neutral-900 dark:text-white truncate">
+                {row.event_name.replace(/_/g, ' ')}
+              </span>
+              <span className="text-sm font-semibold text-brand-orange tabular-nums">
+                {formatNumber(row.count)}
+              </span>
+            </div>
+          ))
+        ) : (
+          <div className="h-full flex flex-col items-center justify-center text-center px-4">
+            <p className="text-neutral-500 dark:text-neutral-400 text-sm">
+              No custom events in this period. Track goals with <code className="px-1.5 py-0.5 rounded bg-neutral-200 dark:bg-neutral-700 text-xs">pulse.track(&apos;event_name&apos;)</code> in your snippet.
+            </p>
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}