Avoid duplicating deferred sources in tool search - #35065
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copyberry[bot] merged 1 commit intoJul 24, 2026
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## Why Deferred tool world state already advertises the available tool sources, so repeating them in the `tool_search` description adds redundant context. ## What changed - Omit the source listing from `tool_search` when `DeferredToolWorldState` is enabled while preserving the tool discovery instructions. - Include the source-listing mode in the tool search handler cache key so the description is rebuilt when the feature state changes. ## Testing Added coverage for source omission, cache invalidation when the feature is toggled, and the resulting request payload. GitOrigin-RevId: f7dc0c4f3351a7c7daadec936b26a080202730bc
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Avoid duplicating deferred sources in tool search
Why
Deferred tool world state already advertises the available tool sources, so
repeating them in the
tool_searchdescription adds redundant context.What changed
tool_searchwhenDeferredToolWorldStateis enabled while preserving the tool discoveryinstructions.
description is rebuilt when the feature state changes.
Testing
Added coverage for source omission, cache invalidation when the feature is
toggled, and the resulting request payload.