Mutator now emits one decky_mutated event (RFC 5424 + bus) per
successful mutation instead of the inline decky.<id>.state bus
publish. The previous state topic published new_services only;
mutation events carry old/new/trigger, which is what the correlation
engine needs to interleave substrate-change markers into attacker
traversals.
- mutate_decky gains trigger: MutationTrigger = "operator" and
captures old_services before the shuffle; replaces the inline
_publish_safely(decky.<id>.state) with emit_decky_mutated(...).
- mutate_all derives trigger internally: operator when force or
only-filter is set (CLI --all, API mutate-now, UI bus request);
scheduled on interval ticks. Passed through to each mutate_decky
call.
- Tests updated: the old decky.<id>.state assertion is replaced
with decky.<id>.mutation topic + mutation payload shape; 3 new
tests cover trigger derivation for scheduled / force / only paths.
26 tests in test_mutator.py green; 116 across mutator + topology
+ bus.
anti
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