DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
Plugin hook noun machinery rebuilt around a shared state record
Under the hood
Useful1Signal0
Plugins
Plugin hook machinery was rebuilt around plain state with identical behaviour and errors.
What's wrong with this entry?
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What
The per-plugin closure that assembled hook objects and dispatched interface calls was replaced by a plain state record plus free functions. Behaviour and error text are unchanged, including the refusal to call a hook object from a wildcard-registered creation step.
Evidence
is not callable from an engine.create step registered through on("*"); hook engine.create by name to compose nouns
Strings lifted out of the shipped bundle, so the claim above can be checked against them.