Errors

Reference for every error class in the Kumiko framework.

Error	Type	When it fires
delete_restricted	ConflictError	Cascade-delete guard refused because dependent rows exist
feature_disabled	FeatureDisabledError	Handler’s owning feature is globally disabled
field_access_denied	AccessDeniedError	Dispatcher’s field-level write check blocked a field
invalid_transition	UnprocessableError	GuardTransition rejected a state-machine transition
stale_state	ConflictError	Atomic UPDATE lost the race (another writer moved the row)