complere story 11.1 with qa tests

database/migrations/2026_01_03_165813_add_guest_fields_to_consultations_table.php

@@ -0,0 +1,39 @@
+<?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::table('consultations', function (Blueprint $table) {
+            // Make user_id nullable for guest consultations
+            $table->foreignId('user_id')->nullable()->change();
+
+            // Add guest fields after user_id
+            $table->string('guest_name', 255)->nullable()->after('user_id');
+            $table->string('guest_email', 255)->nullable()->after('guest_name');
+            $table->string('guest_phone', 50)->nullable()->after('guest_email');
+
+            // Index for 1-per-day guest lookup performance
+            $table->index('guest_email');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('consultations', function (Blueprint $table) {
+            $table->dropIndex(['guest_email']);
+            $table->dropColumn(['guest_name', 'guest_email', 'guest_phone']);
+            // Note: Cannot safely restore NOT NULL if guest records exist
+        });
+    }
+};