Site 4 (L1337) had:
try: anthropic = _require_warmed('anthropic'); ... client.models.list() ...
except Exception as exc:
raise _classify_anthropic_error(exc) from exc
BUG: _classify_anthropic_error returns ErrorInfo (a dataclass), NOT
an Exception. 'raise ErrorInfo from exc' would fail at runtime.
Migration per Phase 9 redo precedent: convert to Result[T]. This is
the same fix pattern applied to _list_gemini_models in Phase 10.
New helper _list_anthropic_models_result() -> Result[list[str]]:
- Returns Result(data=sorted_models) on success
- Returns Result(data=[], errors=[_classify_anthropic_error(...)])
on SDK/credentials failure
Legacy _list_anthropic_models returns result.data (preserves signature).
Audit: ai_client RETHROW 5 -> 5 (no change; site 4 was previously
counted as INTERNAL_RETHROW, now classified as INTERNAL_COMPLIANT
since the try/except is gone — the helper has the Result-returning
exception body which matches Heuristic A).
Actually let me verify with audit_summary...
ed
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