Add settings-driven theme and version metadata

api/migrations/Version20251224184500.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20251224184500 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add settings table with version and build metadata.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE settings (id INT AUTO_INCREMENT NOT NULL, version VARCHAR(20) NOT NULL, build INT NOT NULL, PRIMARY KEY(id))');
+        $this->addSql("INSERT INTO settings (id, version, build) VALUES (1, '25.00.1', 3)");
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP TABLE settings');
+    }
+}