ajustes codex

CLAUDE.md

@@ -73,6 +73,18 @@ PHP files that execute server-side logic. Triggered by:
 - JavaScript: `CmsApi.hook('/hooks/module_id/', {param: value}, callback)`
 - Form action: via `c-form` attribute
 
+There are two valid hook locations:
+- Global hooks in `hooks/hooks.<hook-id>.php` for reusable/shared server-side logic
+- Module-specific hooks in `template/estandar/modulos/<module-id>/hook.php` for logic owned by a single module
+
+How to reference them:
+- Global hook `hooks/hooks.calcular_precio.php` -> endpoint `/hooks/calcular_precio/`
+- Module hook `template/estandar/modulos/hero_banner/hook.php` -> endpoint `/hooks/hero_banner/`
+
+Rule of thumb:
+- If the logic is only used by one module, prefer that module's `hook.php`
+- If the logic will be reused by several modules/pages, create a global hook in `hooks/`
+
 See [docs/hooks-and-api.md](docs/hooks-and-api.md) for usage.
 
 ## Database Access