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feat: add disable_compaction kwarg to rlm_harness #1211

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feat: add disable_compaction kwarg to rlm_harness #1211

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7ca1b7d
feat: add disable_compaction kwarg to rlm_harness
hallerite Apr 20, 2026
1f9a9c9
style: ruff format
hallerite Apr 20, 2026
4120679
style: simplify tool_names filter for readability
hallerite Apr 20, 2026
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7 changes: 6 additions & 1 deletion verifiers/envs/experimental/composable/harnesses/rlm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,7 @@ def rlm_harness(
append_to_system_prompt: str | None = None,
local_checkout: str | Path | None = None,
gh_token: str | None = None,
disable_compaction: bool = False,
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@cursor cursor bot Apr 20, 2026

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Missing docs update for new user-facing kwarg

Low Severity

The new disable_compaction kwarg on rlm_harness() modifies user-facing functionality for RLMEnv, which is described in docs/environments.md. The project rule requires corresponding documentation updates when core user-facing functionality described in docs is added or modified. The PR description itself contains valuable context about the two compaction mechanisms (auto-compaction via RLM_MAX_TURNS_IN_CONTEXT and model-callable summarize tool) that would be useful reference material — the rule notes such information belongs in docs/faqs.md if it doesn't fit elsewhere.

Fix in Cursor Fix in Web

Triggered by project rule: BugBot Instructions

Reviewed by Cursor Bugbot for commit 4120679. Configure here.

) -> Harness:
upload_dir_mapping: dict[str, str] = {
DEFAULT_RLM_CHECKOUT_UPLOAD_NAME: DEFAULT_RLM_CHECKOUT_PATH,
Expand All @@ -116,6 +117,10 @@ def get_upload_dirs() -> dict[str, Traversable | Path]:
resolved_upload_dirs = upload_dirs
return resolved_upload_dirs

tool_names = list(DEFAULT_RLM_TOOL_NAMES)
if disable_compaction:
tool_names = [t for t in tool_names if t != "summarize"]

return Harness(
install_script=build_install_script(),
run_command=build_run_command(instruction_path, workdir),
Expand All @@ -128,5 +133,5 @@ def get_upload_dirs() -> dict[str, Traversable | Path]:
metrics_path="{workdir}/.rlm/sessions/*/meta.json",
metrics_key="metrics",
metrics_prefix="rlm_",
tool_names=list(DEFAULT_RLM_TOOL_NAMES),
tool_names=tool_names,
)
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