add all controllers logic

app/Http/Controllers/Api/Settings/SettingsController.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Http\Controllers\Api\Settings;
+
+use App\Http\Controllers\Api\BaseApiController;
+use App\Http\Requests\Settings\SettingsUpdateRequest;
+use App\Http\Resources\Settings\SettingsResource;
+use App\Models\Setting;
+use App\Services\Settings\SettingsService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Support\Facades\Log;
+use Symfony\Component\HttpFoundation\Response;
+
+class SettingsController extends BaseApiController
+{
+    public function __construct(private SettingsService $settingsService)
+    {
+        parent::__construct();
+    }
+
+    public function index(): JsonResponse
+    {
+        $this->authorize('viewAny', Setting::class);
+
+        return $this->success([
+            'settings' => new SettingsResource($this->settingsService->get()),
+        ]);
+    }
+
+    public function update(SettingsUpdateRequest $request): JsonResponse
+    {
+        $settings = Setting::singleton();
+        $this->authorize('update', $settings);
+
+        $userId = (int) (auth()->id() ?? 0);
+        if ($userId <= 0) {
+            return $this->error('Unauthorized.', Response::HTTP_UNAUTHORIZED);
+        }
+
+        try {
+            $updated = $this->settingsService->update($request->validated(), $userId);
+        } catch (\Throwable $e) {
+            Log::error('Settings update failed: ' . $e->getMessage());
+            return $this->error('Unable to update settings.', Response::HTTP_INTERNAL_SERVER_ERROR);
+        }
+
+        return $this->success([
+            'settings' => new SettingsResource($updated),
+        ], 'Settings updated.');
+    }
+}