Run Ledger
A local ledger for agent-run costs, human review and evidence, with currency-aware Decimal aggregation and metadata redaction.
- Period
- October 2026
- Release
- v0.2.0
- Work type
- Independent project
- Development
- AI-assisted, with verification
What I built
A local ledger for agent-run costs, human review and evidence, with currency-aware Decimal aggregation and metadata redaction.
Developed with AI coding assistance. The repository contains the implementation, reproduction steps and verification records.
What was checked
19 tests cover mixed currencies, aggregation before rounding, nested redaction and atomic imports.

Release audit: 19 October 2026. CI passed at the audited commit. Published archive checksums matched GitHub digests.
What this demonstrates
Costs depend on supplied inputs. Unknown costs remain unknown. A hash chain is not external attestation.
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