Function computeCanonicalEventDigest

computeCanonicalEventDigest(event: Record<string, unknown>): string
Compute the canonical event digest for TSA anchoring.

Strip timestampEvidence, chainHash, canonicalEventDigest, and prevHash from the event, then SHA-256 the canonical JSON (sorted keys, no whitespace).
Parameters
- event: Record<string, unknown>
  Full chained audit event (including timestampEvidence if attached).
Returns string
SHA-256 hex digest.
- Defined in audit/canonical-digest.ts:48