feat: accommodation booking type and status as dedicated properties

migrations/Version20260806120000.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260806120000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Split the accommodation booking status into a status and a type';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_booking ADD type VARCHAR(20) DEFAULT NULL');
+
+        // An old 'booking' row with an accepted_at came from an accepted offer, so it is an
+        // Anfrage; without one it was placed directly. Rows in 'draft'/'discarded' carry no
+        // trace of their kind any more — they are mapped to 'inquiry', which is where the
+        // office path produces them.
+        $this->addSql("UPDATE accommodation_booking SET type = CASE
+            WHEN status = 'booking' AND accepted_at IS NULL THEN 'booking'
+            ELSE 'inquiry' END");
+
+        $this->addSql("UPDATE accommodation_booking SET status = CASE
+            WHEN status = 'inquiry' THEN 'open'
+            WHEN status = 'booking' THEN 'accepted'
+            ELSE status END");
+
+        $this->addSql('ALTER TABLE accommodation_booking CHANGE type type VARCHAR(20) NOT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql("UPDATE accommodation_booking SET status = CASE
+            WHEN status IN ('draft', 'discarded') THEN status
+            WHEN type = 'inquiry' AND status = 'open' THEN 'inquiry'
+            ELSE 'booking' END");
+
+        $this->addSql('ALTER TABLE accommodation_booking DROP type');
+    }
+}