Add architecture guard for shared schema injection helper

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

Author: cursoragent

CONTRIBUTING.md

@@ -109,6 +109,7 @@ This runs lint, format checks, compile checks, tests, and package build.
   - `tests/test_polling_loop_usage.py` (`while True` polling-loop centralization in `hyperbrowser/client/polling.py`),
   - `tests/test_pyproject_architecture_marker.py` (pytest marker registration enforcement),
   - `tests/test_readme_examples_listing.py` (README example-listing consistency enforcement),
+  - `tests/test_schema_injection_helper_usage.py` (shared schema injection helper usage enforcement in payload builders),
   - `tests/test_session_profile_update_helper_usage.py` (session profile-update parameter helper usage enforcement),
   - `tests/test_session_upload_helper_usage.py` (session upload-input normalization helper usage enforcement),
   - `tests/test_start_job_context_helper_usage.py` (shared started-job context helper usage enforcement),

tests/test_architecture_marker_usage.py

@@ -41,6 +41,7 @@
     "tests/test_example_sync_async_parity.py",
     "tests/test_example_run_instructions.py",
     "tests/test_computer_action_endpoint_helper_usage.py",
+    "tests/test_schema_injection_helper_usage.py",
     "tests/test_session_profile_update_helper_usage.py",
     "tests/test_session_upload_helper_usage.py",
     "tests/test_start_job_context_helper_usage.py",

tests/test_schema_injection_helper_usage.py

@@ -0,0 +1,18 @@
+from pathlib import Path
+
+import pytest
+
+pytestmark = pytest.mark.architecture
+
+
+MODULES = (
+    "hyperbrowser/client/managers/browser_use_payload_utils.py",
+    "hyperbrowser/client/managers/extract_payload_utils.py",
+)
+
+
+def test_payload_utils_use_shared_schema_injection_helper():
+    for module_path in MODULES:
+        module_text = Path(module_path).read_text(encoding="utf-8")
+        assert "inject_resolved_schema(" in module_text
+        assert "resolve_schema_input(" not in module_text