chore(migrations): normaliser le schema

migrations/Version20261120131000.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20261120131000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Normalize public schema identifiers to lowercase (tables + columns).';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql(<<<'SQL'
+DO $$
+DECLARE
+    r RECORD;
+BEGIN
+    -- Special-case legacy table name from Prisma.
+    IF EXISTS (
+        SELECT 1 FROM information_schema.tables
+        WHERE table_schema = 'public' AND table_name = 'ModelType'
+    ) THEN
+        EXECUTE 'ALTER TABLE public."ModelType" RENAME TO model_types';
+    END IF;
+
+    -- Rename columns containing uppercase letters.
+    FOR r IN
+        SELECT table_name, column_name
+        FROM information_schema.columns
+        WHERE table_schema = 'public' AND column_name ~ '[A-Z]'
+    LOOP
+        EXECUTE format(
+            'ALTER TABLE public.%I RENAME COLUMN %I TO %I',
+            r.table_name,
+            r.column_name,
+            lower(r.column_name)
+        );
+    END LOOP;
+
+    -- Rename tables containing uppercase letters.
+    FOR r IN
+        SELECT table_name
+        FROM information_schema.tables
+        WHERE table_schema = 'public' AND table_name ~ '[A-Z]'
+    LOOP
+        EXECUTE format(
+            'ALTER TABLE public.%I RENAME TO %I',
+            r.table_name,
+            lower(r.table_name)
+        );
+    END LOOP;
+END $$;
+SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        // Irreversible: cannot restore original casing reliably.
+    }
+}