rag/database/migrations/2025_11_09_131811_create_messages_table.php

<?php

use App\Enums\Status;
use App\Models\Chat;
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration {
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('messages', function (Blueprint $table) {
            $table->uuid('id')->primary();

            $table->foreignIdFor(Chat::class)->constrained()->cascadeOnUpdate()->cascadeOnDelete();

            $table->longText('thinking')->nullable();
            $table->longText('content')->nullable();

            $table->string('from')->default('user');

            $table->integer('tokens_in')->default(0);
            $table->integer('tokens_out')->default(0);

            $table->jsonb('fields')->nullable();

            $table->tinyInteger('status')->default(Status::Completed);

            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('messages');
    }
};