feat: add survey

database/migrations/2026_06_01_100000_create_survey_questions_table.php

@@ -0,0 +1,33 @@
+<?php
+
+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('survey_questions', function (Blueprint $table) {
+            $table->id();
+            $table->string('question');
+            $table->text('description')->nullable();
+            // single = user picks exactly one option, multiple = user can pick many
+            $table->enum('type', ['single', 'multiple'])->default('single');
+            $table->integer('order')->default(0);
+            $table->boolean('is_active')->default(true);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('survey_questions');
+    }
+};

database/migrations/2026_06_01_100100_create_survey_options_table.php

@@ -0,0 +1,33 @@
+<?php
+
+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('survey_options', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('survey_question_id')->constrained('survey_questions')->cascadeOnDelete();
+            $table->string('label');
+            $table->string('value')->nullable(); // optional machine value
+            $table->integer('order')->default(0);
+            $table->timestamps();
+
+            $table->index(['survey_question_id', 'order']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('survey_options');
+    }
+};

database/migrations/2026_06_01_100200_create_survey_answers_table.php

@@ -0,0 +1,34 @@
+<?php
+
+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('survey_answers', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained('users')->cascadeOnDelete();
+            $table->foreignId('survey_question_id')->constrained('survey_questions')->cascadeOnDelete();
+            $table->foreignId('survey_option_id')->constrained('survey_options')->cascadeOnDelete();
+            $table->timestamps();
+
+            // A user can select a given option only once.
+            $table->unique(['user_id', 'survey_option_id']);
+            $table->index(['user_id', 'survey_question_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('survey_answers');
+    }
+};