node.create and node.set take {"$var": variable id or name} for fill and stroke: an exact id
first, then an unambiguous name or Collection/name. The binding goes through the same code as
variable.bind, is applied after literal values and style links, replaces other bindings of that
paint's colour and clears its style link, all in one undo step.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Co-Authored-By: GPT-6.1 Sol <noreply@openai.com>
Co-Authored-By: GPT-6 Astra <noreply@openai.com>
