Add TKMind platform extensions, H5/MindSpace stack, and deployment tooling.

Fork goose with custom MCP widgets, platform extensions (aider, git, web, search),
MindSpace H5 backend/frontend, Plaza/Ops UIs, and deploy scripts for tkmind.cn.

Co-authored-by: Cursor <cursoragent@cursor.com>

ui/plaza/components/seo/AttributionTracker.tsx

@@ -0,0 +1,26 @@
+'use client';
+
+import { useEffect, useRef } from 'react';
+import { useSearchParams } from 'next/navigation';
+import { recordAttributionEvent } from '@/lib/api';
+
+export function AttributionTracker() {
+  const searchParams = useSearchParams();
+  const tracked = useRef(false);
+
+  useEffect(() => {
+    if (tracked.current) return;
+    const utmSource = searchParams.get('utm_source');
+    if (!utmSource) return;
+    tracked.current = true;
+    void recordAttributionEvent({
+      event_type: 'landing',
+      utm_source: utmSource,
+      utm_medium: searchParams.get('utm_medium') ?? '',
+      utm_campaign: searchParams.get('utm_campaign') ?? '',
+      ref_id: searchParams.get('ref') ?? '',
+    }).catch(() => {});
+  }, [searchParams]);
+
+  return null;
+}