kern 0.6.0
Decimal, LLM resilience, durable event log

Release notes
kern v0.6.0: Decimal, durable event log, LLM resilience
The hardening release. Six items moved from the v1.0 list to shipped.
Decimal, LLM resilience, durable event log

The hardening release. Six items moved from the v1.0 list to shipped.