TicketAssistent/database/migrations/2026_04_29_000200_create_tickets_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('tickets', function (Blueprint $table) {
            $table->id();
            $table->text('message');
            $table->timestamps();
        });

        $dimension = (int) config('services.embedding.dimension', 768);
        DB::statement("ALTER TABLE tickets ADD COLUMN embedding vector({$dimension})");
        DB::statement('CREATE INDEX tickets_embedding_cosine_idx ON tickets USING ivfflat (embedding vector_cosine_ops)');
    }

    public function down(): void
    {
        Schema::dropIfExists('tickets');
    }
};