basic interactable callbacks from webapp to kafka + redpanda console

web/src/app/api/track/route.ts

@@ -0,0 +1,33 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { sendInteractionEvent } from '@/lib/kafka';
+
+export async function POST(req: NextRequest) {
+  try {
+    const body = await req.json();
+    const { sessionId, eventType, targetEl, targetUrl, metadata } = body;
+
+    if (!sessionId || !eventType) {
+      return NextResponse.json(
+        { error: 'sessionId and eventType required' },
+        { status: 400 }
+      );
+    }
+
+    await sendInteractionEvent({
+      sessionId,
+      eventType,
+      targetEl,
+      targetUrl,
+      metadata,
+      ts: Date.now(),
+    });
+
+    return NextResponse.json({ success: true });
+  } catch (err: any) {
+    console.error('track error:', err);
+    return NextResponse.json(
+      { error: err.message || 'unknown error' },
+      { status: 500 }
+    );
+  }
+}