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

migrations/Version20260702084714.php

@@ -0,0 +1,43 @@
+<?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 Version20260702084714 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Replace override price fields with a PriceType column; migrate existing override rows to sibling DISCOUNT records';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_price ADD type VARCHAR(20) DEFAULT NULL');
+
+        $this->addSql(<<<'SQL'
+            INSERT INTO accommodation_price
+                (accommodation_id, date_from, date_to, season, included_pax, min_nights,
+                 price_per_night, price_additional_person, accept_undersubscription, type,
+                 created_at, updated_at, created_by_id, updated_by_id)
+            SELECT accommodation_id, date_from, date_to, season, included_pax, min_nights,
+                   price_per_night_override, price_additional_person_override, accept_undersubscription, 'discount',
+                   created_at, updated_at, created_by_id, updated_by_id
+            FROM accommodation_price
+            WHERE price_per_night_override IS NOT NULL
+        SQL);
+
+        $this->addSql('ALTER TABLE accommodation_price DROP price_per_night_override, DROP price_additional_person_override');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_price ADD price_per_night_override INT DEFAULT NULL, ADD price_additional_person_override INT DEFAULT NULL, DROP type');
+    }
+}