optimizations

app/Http/Controllers/Api/ProfileActivityController.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Services\Activity\UserActivityService;
+use App\Support\UsernamePolicy;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use App\Models\User;
+
+final class ProfileActivityController extends Controller
+{
+    public function __construct(private readonly UserActivityService $activities) {}
+
+    public function __invoke(Request $request, string $username): JsonResponse
+    {
+        $normalized = UsernamePolicy::normalize($username);
+
+        $user = User::query()
+            ->with('profile:user_id,avatar_hash')
+            ->whereRaw('LOWER(username) = ?', [$normalized])
+            ->where('is_active', true)
+            ->whereNull('deleted_at')
+            ->firstOrFail();
+
+        return response()->json(
+            $this->activities->feedForUser(
+                $user,
+                (string) $request->query('filter', 'all'),
+                (int) $request->query('page', 1),
+                (int) $request->query('per_page', UserActivityService::DEFAULT_PER_PAGE),
+            )
+        );
+    }
+}