Expand core helper guard to manager and tool modules

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

CONTRIBUTING.md

@@ -90,7 +90,7 @@ This runs lint, format checks, compile checks, tests, and package build.
   - `tests/test_plain_type_guard_usage.py` (`str`/`int` guardrail enforcement via plain-type checks),
   - `tests/test_type_utils_usage.py` (type `__mro__` boundary centralization in `hyperbrowser/type_utils.py`),
   - `tests/test_polling_loop_usage.py` (`while True` polling-loop centralization in `hyperbrowser/client/polling.py`),
-  - `tests/test_core_type_helper_usage.py` (core transport/config/header/file/polling/session/error/parsing module enforcement of shared plain-type helper usage),
+  - `tests/test_core_type_helper_usage.py` (core transport/config/header/file/polling/session/error/parsing manager+tool module enforcement of shared plain-type helper usage),
   - `tests/test_contributing_architecture_guard_listing.py` (`CONTRIBUTING.md` architecture-guard inventory completeness enforcement).
 
 ## Code quality conventions

tests/test_core_type_helper_usage.py

@@ -21,6 +21,11 @@
     "hyperbrowser/client/managers/response_utils.py",
     "hyperbrowser/client/managers/extension_utils.py",
     "hyperbrowser/client/managers/list_parsing_utils.py",
+    "hyperbrowser/client/managers/sync_manager/computer_action.py",
+    "hyperbrowser/client/managers/async_manager/computer_action.py",
+    "hyperbrowser/client/managers/sync_manager/session.py",
+    "hyperbrowser/client/managers/async_manager/session.py",
+    "hyperbrowser/tools/__init__.py",
     "hyperbrowser/display_utils.py",
     "hyperbrowser/exceptions.py",
 )