Michael Neale
de5101f216
Restores the 'read' tool on DeveloperClient. The handler was removed in
f2ad0a852 because ACP clients delegate filesystem I/O and intercept
'read' at the AcpTools layer. Non-ACP sessions were left without a
structured read tool, forcing the model into shell({command:'cat ...'})
which has no line/limit knobs.
Changes:
- 'read' tool registered on DeveloperClient with FileReadParams schema.
- DEFAULT_FILE_READ_LIMIT = 2000 lines applied when caller passes no
'limit'. When truncation occurs, the result body is followed by:
[goose: showing lines X-Y of Z (N more lines not shown). Pass
'line' and/or 'limit' to read a different range.]
- developer_instructions text on both POSIX and Windows updated to tell
the model to prefer 'read' over 'cat'/'sed' / 'type'/'Get-Content'.
- ACP layer is unchanged: when fs_read is enabled, AcpTools still
intercepts 'read' and routes to the ACP client; otherwise it falls
through to the developer impl with the new cap.
Tests updated: previous read tests asserted exact untruncated bodies;
they're replaced with three tests covering (a) small file no marker,
(b) explicit range emits marker, (c) default cap truncates a 5000-line
file at line 2000 with marker.
Signed-off-by: Michael Neale <michael.neale@gmail.com>
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goose
your native open source AI agent — desktop app, CLI, and API — for code, workflows, and everything in between
goose is a general-purpose AI agent that runs on your machine. Not just for code — use it for research, writing, automation, data analysis, or anything you need to get done.
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