- test_get_provider_typed: registry get_provider() returns correct class + ValueError on bogus id
- test_client_singleton: AsyncOpenAI instantiated once per provider instance (D-07)
- test_generic_openai_json_mode: response_format present/absent based on supports_json_mode (D-01)
- test_context_chars_truncation: _truncate() shortens long text (D-12)
- test_smart_truncation: 60% head + 40% tail truncation strategy (D-13)
- test_gemini_fallback_to_parse_classification: supports_json_mode=False skips
response_format AND routes through parse_classification() from ai.utils (D-02 contract)
- test_anthropic_structured_output remains xfail (Plan 07-03)
curo1305
209b156af1