adds roles

database/migrations/2026_02_03_083000_create_sessions_table.php

@@ -21,7 +21,6 @@ public function up(): void
             $table->string('status', 50)->default('in_progress');
             $table->integer('score')->nullable();
             $table->string('result', 50)->nullable();
-            $table->json('basic_info')->nullable();
             $table->text('additional_comments')->nullable();
             $table->timestamp('completed_at')->nullable();
             $table->timestamps();