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Tommaso Moro 439ec711fa Add fields param to six more list/search tools (#2810)
* Add fields param to six more list/search tools

Extend the optional `fields` response-filtering parameter (gated behind the
`fields_param` feature flag, with adoption/savings telemetry) to six more read
tools, following the dual-variant pattern already used by search_code and
get_file_contents:

- list_issues, list_pull_requests, list_commits, list_releases
- search_issues, search_pull_requests

For each tool, `X` is the flag-enabled variant that advertises `fields` and
filters each result item to the requested subset, while `LegacyX` exposes the
original schema and never filters, acting as a kill switch when the flag is off.
Exactly one variant survives inventory filtering for any flag state via mutually
exclusive FeatureFlagEnable / FeatureFlagDisable annotations. Wrapped responses
(list_issues, search_issues, search_pull_requests) preserve their count /
pagination envelope and only filter the item list; bare-array responses keep
their array shape.

Filtering reuses the shared filterEachField helper. A new fieldsSchemaProperty
helper builds the `fields` schema (search_code and get_file_contents now use it
too), and a shared recordFieldsUsageFor helper centralizes the telemetry
full-size computation. Each field enum lists only the JSON fields the specific
tool actually emits: list_commits omits stats/files (requested without per-file
detail) and list_issues lists only the fields its GraphQL fragment populates.

Adds per-tool field-filtering, telemetry, and Legacy definition tests, extends
the mutual-exclusivity gating test to all eight gated tools, and regenerates the
`_ff_fields_param` toolsnaps and feature-flag docs.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

* Remove duplicate tool doc comments

Address review: drop the leftover one-line doc comment above each dual-variant
tool constructor (list_issues, list_pull_requests, list_commits, list_releases,
search_issues, search_pull_requests); the detailed variant comment remains.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
2026-07-10 13:09:34 +01:00
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2026-01-06 17:38:12 +00:00