feat: groups price calculator admin crud, booking/offer flow and api

migrations/Version20260710130000.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260710130000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Store an authoritative price snapshot on accommodation bookings';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_booking ADD price_breakdown JSON DEFAULT NULL, ADD total_price INT DEFAULT NULL, ADD pricing_currency VARCHAR(3) DEFAULT NULL, ADD pricing_version SMALLINT DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_booking DROP price_breakdown, DROP total_price, DROP pricing_currency, DROP pricing_version');
+    }
+}