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

migrations/Version20260709162705.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20260709162705 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add nullable access_link_issued_at column to accommodation_booking for the customer-facing offer/accept access link.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql(<<<'SQL'
+            ALTER TABLE
+              accommodation_booking
+            ADD
+              access_link_issued_at DATETIME DEFAULT NULL COMMENT '(DC2Type:datetime_immutable)'
+        SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_booking DROP access_link_issued_at');
+    }
+}