"""Phase 11 sites 5+6: set_tool_preset + set_bias_profile Result helpers.

Both had:
    try: ToolPresetManager().load_all() ...
    except (OSError, ValueError, AttributeError) as e:
        sys.stderr.write(f'[ERROR] Failed to set {preset_name}: {e}')
        sys.stderr.flush()

Body is sys.stderr.write = logging NOT a drain = SS violation.
MIGRATE to Result[None].
"""
import sys
sys.path.insert(0, ".")


def test_phase11_sites56_set_tool_preset_result_exists():
    import src.ai_client
    assert hasattr(src.ai_client, "_set_tool_preset_result"), \
        "_set_tool_preset_result helper missing"


def test_phase11_sites56_set_bias_profile_result_exists():
    import src.ai_client
    assert hasattr(src.ai_client, "_set_bias_profile_result"), \
        "_set_bias_profile_result helper missing"


def test_phase11_sites56_helpers_return_result():
    import src.ai_client
    import inspect
    for name in ("_set_tool_preset_result", "_set_bias_profile_result"):
        fn = getattr(src.ai_client, name)
        sig = inspect.signature(fn)
        assert "Result" in str(sig.return_annotation), \
            f"{name} return must be Result, got {sig.return_annotation}"


def test_phase11_sites56_legacy_preserved():
    import src.ai_client
    assert callable(getattr(src.ai_client, "set_tool_preset", None))
    assert callable(getattr(src.ai_client, "set_bias_profile", None))