feat: admin editable email templates

addresses #869eg7ptr

migrations/Version20260817074008.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260817074008 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add email_text for admin-editable wording of transactional mails';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE email_text (id INT AUTO_INCREMENT NOT NULL, template_key VARCHAR(64) NOT NULL, subject VARCHAR(255) NOT NULL, headline VARCHAR(255) DEFAULT NULL, body LONGTEXT NOT NULL, created_by VARCHAR(255) DEFAULT NULL, updated_by VARCHAR(255) DEFAULT NULL, created_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\', updated_at DATETIME DEFAULT NULL COMMENT \'(DC2Type:datetime_immutable)\', UNIQUE INDEX uniq_email_text_template_key (template_key), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP TABLE email_text');
+    }
+}