Add fields param to search_code and get_file_contents#2775
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Add an optional `fields` array parameter to the `search_code` and `get_file_contents` tools so callers can request only the fields they need, reducing tool response size and context usage. - search_code: filters each result item to the selected fields while preserving the total_count / incomplete_results wrapper. - get_file_contents: filters each directory entry when listing a directory; ignored for single-file responses. Adds shared filterFields / filterEachField helpers and per-tool field enums, plus unit tests and regenerated toolsnaps and docs. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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What
Adds an optional
fieldsarray parameter to two tools so callers can request only the fields they need, reducing tool response size and context usage:search_code— filters each result item to the selected fields, preserving thetotal_count/incomplete_resultswrapper. Selectable:name,path,sha,repository,text_matches.get_file_contents— filters each directory entry when listing a directory. Ignored for single-file responses. Selectable:type,name,path,size,sha,url,git_url,html_url,download_url.When
fieldsis omitted, behavior is unchanged (all fields returned).How
filterFields/filterEachFieldhelpers plus per-tool field enums inminimal_types.go.Notes
This is an experimental branch for evaluating context reduction via runtime response filtering. It intentionally scopes to just these two tools.
Testing
script/lintclean;script/test(full race suite) passing.