Handlers and the published record now receive the zod-PARSED payload
(defaults/coercions applied) instead of the raw input, and fan-out uses
Promise.allSettled with errors swallowed by default plus an opt-in
failFast — matching the InMemoryEventBus the events core-package
generator scaffolds. The previous sequential fail-fast divergence was
undocumented, so it is aligned rather than kept. Regression tests pin
parsed-payload delivery, non-short-circuiting fan-out, and failFast
rethrow. (S4; the generator bus templates already carry the fix.)
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Danijel Martinek
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