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984a491296
The response-size guard truncated data-query and info-tool responses by measuring the bare unwrapped payload dict, then re-wrapped it into a ToolResult afterward. The ToolResult envelope (content/type/text/meta, plus JSON-escaping of the embedded payload string) adds real overhead — empirically ~2% for large payloads and ~40 tokens fixed for small ones — so a candidate that measured under the limit could still end up oversized once wrapped, causing an unnecessary hard block. Thread an optional size_fn through the truncation helpers (bisection and phase checks) so the middleware can measure candidates against the actual wrapped object during the search, not just re-validate the wrong measurement afterward. Co-Authored-By: Claude <noreply@anthropic.com>