backup: before auth-required booking and phone number feature

database/migrations/2026_04_15_132115_add_pricing_snapshot_to_bookings_table.php

@@ -0,0 +1,31 @@
+<?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('bookings', function (Blueprint $table) {
+            // Stores {base: float, rules: {1:float, ..., 7:float}} at booking creation.
+            // Checkout fee calculation uses this snapshot so price changes never affect
+            // in-progress or historical bookings.
+            $table->json('pricing_snapshot')->nullable()->after('paid_at');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('bookings', function (Blueprint $table) {
+            $table->dropColumn('pricing_snapshot');
+        });
+    }
+};