diff --git a/.gitea/workflows/pull-request.yml b/.gitea/workflows/pull-request.yml
index c161627..c0f9425 100644
--- a/.gitea/workflows/pull-request.yml
+++ b/.gitea/workflows/pull-request.yml
@@ -73,12 +73,20 @@ jobs:
         run: vendor/bin/php-cs-fixer fix --config=.php-cs-fixer.dist.php --allow-risky=yes --dry-run --diff
 
       - name: Bootstrap test database
+        # Aligne sur la cible `test-db-setup` du makefile : apres
+        # `schema:update --force`, on RECREE manuellement l'index unique
+        # partiel `uq_category_name_type_active` car Doctrine ORM ne sait
+        # pas exprimer les index fonctionnels partiels (LOWER(name) + WHERE
+        # deleted_at IS NULL) et `schema:update` les considere comme
+        # orphelins et les DROP — collisions non detectees, tests d'unicite
+        # qui attendent 409 recoivent 201.
         run: |
           php bin/console doctrine:database:create --env=test --if-not-exists --no-interaction
           php bin/console doctrine:migrations:migrate --env=test --no-interaction
           php bin/console doctrine:schema:update --env=test --force --no-interaction
           php bin/console doctrine:fixtures:load --env=test --no-interaction
           php bin/console app:sync-permissions --env=test --no-interaction
+          php bin/console --env=test dbal:run-sql "CREATE UNIQUE INDEX IF NOT EXISTS uq_category_name_type_active ON category (LOWER(name), category_type_id) WHERE deleted_at IS NULL"
 
       - name: Run PHPUnit
         run: php -d memory_limit=512M vendor/bin/phpunit