feat(message-bus): match arguments with matchers#875
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Allow a Matcher to stand in for a literal argument in any filter prefix (on, once, until, interceptEvent, generator/iterate, register, interceptInvoker, reader). Matching funnels through #argumentIndex, so a single match() helper covers every path. Ships objectWith (deep-partial object containment) and predicate (arbitrary boolean test). A Matcher is any value implementing the [MatcherSymbol] method, so it can be mixed into other objects. invoke stays matcher-agnostic; its registration-args type is widened at the message-bus boundary. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Allow a Matcher to stand in for a literal argument in any filter prefix (on, once, until, interceptEvent, generator/iterate, register, interceptInvoker, reader). Matching funnels through #argumentIndex, so a single match() helper covers every path.
Ships objectWith (deep-partial object containment) and predicate (arbitrary boolean test). A Matcher is any value implementing the [MatcherSymbol] method, so it can be mixed into other objects. invoke stays matcher-agnostic; its registration-args type is widened at the message-bus boundary.