Initial Ladill Meet release.

Phases 0–18: core meetings, webinar, breakouts, team chat, live streaming, town hall, billing, and Ladill Mail calendar wiring.

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

app/Http/Controllers/Api/ServiceEventController.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Events\ServiceEventOccurred;
+use App\Http\Controllers\Controller;
+use App\Services\Events\ServiceEventSignature;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cache;
+
+class ServiceEventController extends Controller
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $secret = (string) config('service_events.inbound_secret');
+        $signature = (string) $request->header('X-Ladill-Signature', '');
+
+        if (! ServiceEventSignature::verify($request->getContent(), $signature, $secret)) {
+            return response()->json(['error' => 'invalid signature'], 401);
+        }
+
+        $eventId = (string) $request->header('X-Ladill-Event-Id', (string) $request->input('id', ''));
+        if ($eventId !== '') {
+            if (Cache::has("svcevt:{$eventId}")) {
+                return response()->json(['status' => 'duplicate']);
+            }
+            Cache::put("svcevt:{$eventId}", true, now()->addDay());
+        }
+
+        event(new ServiceEventOccurred((string) $request->input('event'), (array) $request->input('data', [])));
+
+        return response()->json(['status' => 'accepted']);
+    }
+}