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fix: configurable terminal output truncation to prevent context window blowup #1695

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fix: configurable terminal output truncation to prevent context window blowup #1695

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3 changes: 3 additions & 0 deletions plugins/_code_execution/default_config.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -37,3 +37,6 @@ dialog_patterns: |
yes/no
:\s*$
\?\s*$

# Maximum terminal output size in characters before truncation (default: 30000 ≈ ~7.5K tokens)
max_output_chars: 30000
5 changes: 4 additions & 1 deletion plugins/_code_execution/tools/code_execution_tool.py
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Expand Up @@ -472,7 +472,9 @@ def get_heading_from_output(self, output: str, skip_lines=0, done=False):

def fix_full_output(self, output: str):
output = re.sub(r"(?<!\\)\\x[0-9A-Fa-f]{2}", "", output)
output = truncate_text_agent(agent=self.agent, output=output, threshold=1000000)
cfg = _get_config(self.agent)
max_chars = cfg.get("max_output_chars", 30000)
output = truncate_text_agent(agent=self.agent, output=output, threshold=max_chars)
return output

async def ensure_cwd(self) -> str | None:
Expand Down Expand Up @@ -550,6 +552,7 @@ def _get_config(agent) -> dict:
"output_timeouts": _parse_timeouts(cfg, "output", (120, 60, 600, 5)),
"prompt_patterns": _parse_patterns(cfg.get("prompt_patterns", "")),
"dialog_patterns": _parse_patterns(cfg.get("dialog_patterns", ""), re.IGNORECASE),
"max_output_chars": int(cfg.get("max_output_chars", 30000)),
}


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