messages implemented

app/Http/Controllers/Api/Messaging/MessagingSettingsController.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Http\Controllers\Api\Messaging;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+/**
+ * Manages per-user messaging privacy preference.
+ *
+ * GET  /api/messages/settings  → return current setting
+ * PATCH /api/messages/settings → update setting
+ */
+class MessagingSettingsController extends Controller
+{
+    public function show(Request $request): JsonResponse
+    {
+        return response()->json([
+            'allow_messages_from' => $request->user()->allow_messages_from ?? 'everyone',
+        ]);
+    }
+
+    public function update(Request $request): JsonResponse
+    {
+        $data = $request->validate([
+            'allow_messages_from' => 'required|in:everyone,followers,mutual_followers,nobody',
+        ]);
+
+        $request->user()->update($data);
+
+        return response()->json([
+            'allow_messages_from' => $request->user()->allow_messages_from,
+        ]);
+    }
+}