messages implemented

database/migrations/2026_02_26_300005_create_notifications_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (Schema::hasTable('notifications')) {
+            return;
+        }
+
+        Schema::create('notifications', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->string('type', 32);
+            $table->json('data');
+            $table->timestamp('read_at')->nullable();
+            $table->timestamps();
+
+            $table->index('user_id');
+            $table->index('read_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('notifications');
+    }
+};