step 1, 2 and 3 of the implementation plan

database/migrations/2026_02_03_082958_create_categories_table.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+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('categories', function (Blueprint $table) {
+            $table->id();
+            $table->string('name', 255)->unique();
+            $table->unsignedInteger('sort_order')->default(0);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('categories');
+    }
+};

database/migrations/2026_02_03_082958_create_question_groups_table.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+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('question_groups', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('category_id')->constrained()->cascadeOnDelete();
+            $table->string('name', 255);
+            $table->unsignedInteger('sort_order')->default(0);
+            $table->text('description')->nullable();
+            $table->text('scoring_instructions')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('question_groups');
+    }
+};

database/migrations/2026_02_03_082959_create_questions_table.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+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('questions', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('question_group_id')->constrained()->cascadeOnDelete();
+            $table->text('text');
+            $table->boolean('has_yes')->default(false);
+            $table->boolean('has_no')->default(false);
+            $table->boolean('has_na')->default(false);
+            $table->string('details', 50)->nullable();
+            $table->unsignedInteger('sort_order')->default(0);
+            $table->boolean('is_scored')->default(false);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('questions');
+    }
+};

database/migrations/2026_02_03_082959_create_screenings_table.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+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('screenings', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->integer('score')->nullable();
+            $table->boolean('passed')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('screenings');
+    }
+};

database/migrations/2026_02_03_083000_create_screening_answers_table.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+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('screening_answers', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('screening_id')->constrained()->cascadeOnDelete();
+            $table->unsignedInteger('question_number');
+            $table->string('value', 10);
+            $table->timestamps();
+
+            $table->unique(['screening_id', 'question_number']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('screening_answers');
+    }
+};

database/migrations/2026_02_03_083000_create_sessions_table.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+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('questionnaire_sessions', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('category_id')->constrained();
+            $table->foreignId('screening_id')->nullable()->constrained()->nullOnDelete();
+            $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();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('questionnaire_sessions');
+    }
+};

database/migrations/2026_02_03_083001_create_answers_table.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+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('answers', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('session_id')->constrained('questionnaire_sessions')->cascadeOnDelete();
+            $table->foreignId('question_id')->constrained()->cascadeOnDelete();
+            $table->string('value', 255)->nullable();
+            $table->text('text_value')->nullable();
+            $table->timestamps();
+
+            $table->unique(['session_id', 'question_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('answers');
+    }
+};

database/migrations/2026_02_03_083002_create_logs_table.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+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('logs', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignId('session_id')->nullable()->constrained('questionnaire_sessions')->nullOnDelete();
+            $table->foreignId('category_id')->nullable()->constrained()->nullOnDelete();
+            $table->string('action', 100);
+            $table->json('metadata')->nullable();
+            $table->timestamp('created_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('logs');
+    }
+};

database/seeders/DatabaseSeeder.php

@@ -2,7 +2,6 @@
 
 namespace Database\Seeders;
 
-use App\Models\User;
 use Illuminate\Database\Console\Seeds\WithoutModelEvents;
 use Illuminate\Database\Seeder;