Integrate snipContent more tightly into snip and cleanup old code

migrations/Version20231220204107.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 Version20231220204107 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 snip ADD active_version_id BINARY(16) DEFAULT NULL COMMENT \'(DC2Type:ulid)\', DROP active_commit');
+        $this->addSql('ALTER TABLE snip ADD CONSTRAINT FK_FEBD97966A1E45F3 FOREIGN KEY (active_version_id) REFERENCES snip_content (id)');
+        $this->addSql('CREATE INDEX IDX_FEBD97966A1E45F3 ON snip (active_version_id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE snip DROP FOREIGN KEY FK_FEBD97966A1E45F3');
+        $this->addSql('DROP INDEX IDX_FEBD97966A1E45F3 ON snip');
+        $this->addSql('ALTER TABLE snip ADD active_commit VARCHAR(255) DEFAULT NULL, DROP active_version_id');
+    }
+}