chore: mentions webhook api

Signed-off-by: Joana Maia <[email protected]>

Author: joanagmaia

frontend/server/api/octolens/webhook.post.ts

@@ -0,0 +1,31 @@
+// Copyright (c) 2025 The Linux Foundation and each contributor.
+// SPDX-License-Identifier: MIT
+
+export default defineEventHandler(async (event) => {
+  try {
+    const body = await readBody(event);
+    const headers = getHeaders(event); // returns an object with all headers
+
+    // eslint-disable-next-line no-console
+    console.log('🔍 Incoming webhook headers:', headers);
+    // Forward to Tinybird ingestion endpoint
+    const tinybirdUrl = `${process.env.NUXT_TINYBIRD_EVENTS_API}?name=octolens_projects_mentions&token=${process.env.NUXT_OCTOLENS_TINYBIRD_TOKEN}`;
+
+    const res = await fetch(tinybirdUrl, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(body),
+    });
+
+    const response = await res.json();
+    return response;
+  } catch (err) {
+    console.error('Proxy error:', err);
+    return sendError(
+      event,
+      createError({ statusCode: 500, statusMessage: 'Failed to send message to Tinybird' }),
+    );
+  }
+});