🌟 Nova: [JSONL Exporter]#1083
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Implemented a new JSONL export format for trajectories. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
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| let mut redacted_msg = serde_json::to_value(msg).unwrap_or(serde_json::Value::Null); | ||
| if let Some(obj) = redacted_msg.as_object_mut() { | ||
| if let Some(content) = obj.get("content").and_then(|c| c.as_str()) { | ||
| let redacted_content = redactor.redact_text(content, surface::EXPORT).text; |
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Redact message extras before serializing JSONL
When a trajectory contains secrets in MessageRecord.extra—for example extra.actions, provider response, sampling.extra, or other.run_result—this exports those fields unchanged because only content is replaced after serde_json::to_value(msg). Legacy/raw artifacts are view-redacted by exporters rather than trusted to be pre-redacted, and redact_trajectory_for_inspect treats these same extra fields as redaction surfaces, so bench inspect --format jsonl can leak tokens even though the conformance fixture only covers message content. Redact the whole JSON value or each extra field before to_string.
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| formats.push(ExportFormat { | ||
| name: "jsonl", | ||
| tier: StabilityTier::Stable, | ||
| consumer: "log aggregation, streaming pipelines", | ||
| render: JsonlExporter::export, |
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Register jsonl as a gated format
In builds without jsonl-export, this registry entry is compiled out, and because FEATURE_GATED_FORMATS still lacks jsonl, is_export_format("jsonl") returns false. That sends bench inspect --format jsonl down the generic unknown-format path instead of the documented format_unavailable error with rebuild guidance, which makes the new feature undiscoverable in default builds. Add ("jsonl", "jsonl-export") to FEATURE_GATED_FORMATS.
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💡 The Spark:
Trajectories are great for programmatic analysis, but the raw
traj.jsonformat can be difficult to consume easily in some streaming logs or pipeline contexts without fully loading the large file structure. A one-line-per-message JSONL export provides a clean, easily parsable stream of events.🚀 The Feature:
Implemented a new
JsonlExporterbehind thejsonl-exportfeature flag. The exporter properly handles redactions by applyingRedactor::default_enabled().redact_textto the content, and leveragesserde_json::to_stringto create a lightweight, line-delimited export. Included a suite test and updateddocs/spec-export.mdto reflect the new feature in the Supported Formats table and the Discoverability outputs.🔮 The Potential:
The JSONL format makes it trivial for operators to integrate Maxwell's Daemon trajectory outputs with external log aggregation tools (like Elasticsearch, fluentd, datadog) and streaming bash tools like
jqthat naturally parse line-delimited JSON objects.Low. The feature is completely isolated under a new Cargo feature (
jsonl-export) and does not modify any core parsing or execution logic. It strictly implements the existingTrajectoryExportertrait boundary.PR created automatically by Jules for task 17649028088491621705 started by @madmax983