messages implemented

database/migrations/2026_02_26_300002_create_messages_table.php

@@ -0,0 +1,29 @@
+<?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
+    {
+        Schema::create('messages', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('conversation_id')->constrained()->onDelete('cascade');
+            $table->foreignId('sender_id')->references('id')->on('users')->onDelete('cascade');
+            $table->mediumText('body');
+            $table->timestamp('edited_at')->nullable();
+            $table->softDeletes();
+            $table->timestamps();
+
+            $table->index(['conversation_id', 'created_at']);
+            $table->index('sender_id');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('messages');
+    }
+};