inmemory to postgres

apps/api/src/env.ts

@@ -36,6 +36,11 @@ export function getApiPersistence(): ApiPersistence {
     return requireOneOf('GRIDPILOT_API_PERSISTENCE', configured, ['postgres', 'inmemory'] as const);
   }
 
+  // Tests should default to in-memory even when DATABASE_URL exists, unless explicitly overridden.
+  if (process.env.NODE_ENV === 'test') {
+    return 'inmemory';
+  }
+
   return process.env.DATABASE_URL ? 'postgres' : 'inmemory';
 }