tests/gateway/test_gateway_silence_tokens.py::test_exact_silence_tokens_are_intentional_silence
tests/gateway/test_gateway_silence_tokens.py::test_blank_and_prose_mentions_are_not_silence
tests/gateway/test_gateway_silence_tokens.py::test_failed_agent_result_never_counts_as_intentional_silence
tests/gateway/test_gateway_silence_tokens.py::test_silence_token_suppresses_delivery_but_preserves_transcript
tests/gateway/test_gateway_silence_tokens.py::test_empty_success_still_gets_empty_response_warning
tests/gateway/test_gateway_silence_tokens.py::test_prose_mentioning_silence_token_is_delivered