feat(workflow) : migration M1 - création table workflow + seed Standard

migrations/Version20260519175041.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260519175041 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Create workflow table and seed default Standard workflow';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE workflow (
+            id SERIAL NOT NULL,
+            name VARCHAR(255) NOT NULL,
+            is_default BOOLEAN DEFAULT FALSE NOT NULL,
+            position INT DEFAULT 0 NOT NULL,
+            PRIMARY KEY (id)
+        )');
+        $this->addSql('CREATE UNIQUE INDEX uniq_workflow_name ON workflow (name)');
+        $this->addSql('CREATE UNIQUE INDEX uniq_workflow_one_default ON workflow (is_default) WHERE is_default = TRUE');
+
+        $this->addSql("INSERT INTO workflow (name, is_default, position) VALUES ('Standard', TRUE, 0)");
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP TABLE workflow');
+    }
+}