feat(backend) : add migration for isFinal, archived fields

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

migrations/Version20260312111449.php

@@ -0,0 +1,35 @@
+<?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 Version20260312111449 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE project ADD code VARCHAR(10) NOT NULL');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_2FB3D0EE77153098 ON project (code)');
+        $this->addSql('ALTER TABLE task ADD number INT NOT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('DROP INDEX UNIQ_2FB3D0EE77153098');
+        $this->addSql('ALTER TABLE project DROP code');
+        $this->addSql('ALTER TABLE task DROP number');
+    }
+}