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Restrict result file permissions and redact agent output #39

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Merged
that-github-user merged 1 commit into from
Mar 28, 2026
Merged

Restrict result file permissions and redact agent output #39

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18 changes: 15 additions & 3 deletions src/commands/run.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -92,12 +92,24 @@ async function saveResult(result: EnsembleResult): Promise<void> {
const dir = ".thinktank";
await mkdir(dir, { recursive: true });

// Save full result
// Strip agent stdout/stderr from saved results to avoid credential exposure
const sanitizedResult = {
...result,
agents: result.agents.map((a) => ({
...a,
output: a.output ? "[redacted — use worktree to inspect]" : "",
error: a.error ? "[redacted]" : undefined,
})),
};

// Save full result with restricted permissions (owner read/write only)
const filename = `run-${result.timestamp.replace(/[:.]/g, "-")}.json`;
await writeFile(join(dir, filename), JSON.stringify(result, null, 2));
await writeFile(join(dir, filename), JSON.stringify(sanitizedResult, null, 2), { mode: 0o600 });

// Save as latest
await writeFile(join(dir, "latest.json"), JSON.stringify(result, null, 2));
await writeFile(join(dir, "latest.json"), JSON.stringify(sanitizedResult, null, 2), {
mode: 0o600,
});

console.log(` Results saved to ${join(dir, filename)}`);
console.log();
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