- claude-web-search.ts: only send `temperature` when caller explicitly
sets one. Opus 4.7 deprecated the param and returns
400 invalid_request_error "`temperature` is deprecated for this
model." Sonnet/Haiku still accept it, so keep the opt-in path.
- execute-research.ts: log provider errors via console.warn so future
integration failures are visible in stdout. Previously the executor
swallowed the underlying error and only returned a generic errorCode,
which made diagnosing vendor-specific API changes impossible.
Discovered via smoke-testing with a real Anthropic key — the direct
curl worked, but our provider 400'd because Opus 4.7 tightened the
accepted param set.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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