feat(kumo): surface LinkButton and RefreshButton in registry, CLI, docs, Figma

[ascorbic]

Adds a KUMO_REGISTRY_COMPONENTS marker on a component directory's index.ts to register multiple sibling components from a single source file. The registry codegen previously assumed one component per directory, which silently dropped LinkButton and RefreshButton (both co-located in button/button.tsx). They now have their own registry entries, doc pages, sidebar nav entries, and Figma generator data without sharing Button's attribution.

• Registry: discovery emits one ComponentConfig per registered component name. Variant tables are looked up by KUMO_<NAME>_VARIANTS, with alias chains resolved so KUMO_LINK_BUTTON_VARIANTS = KUMO_BUTTON_VARIANTS works.
• CLI: kumo doc/ls now find LinkButton and RefreshButton.
• Docs: new pages at /components/link-button and /components/refresh-button. Sidebar nav and button.mdx narrative point at the new pages.
• Demos: LinkButton and RefreshButton demos extracted into their own files to feed the registry generator's per-component bucketing.
• Figma: link-button and refresh-button generators read their own registry entries instead of borrowing from Button.
• Lint: enforce-variant-standard now permits KUMO_<NAME>_VARIANTS exports for any PascalCase component declared in the same file.

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• Reviews
  • bonk has reviewed the change
  • automated review not possible because: i don't have write access. Reviewed locally
• Tests
  • Tests included/updated
  • Automated tests not possible - manual testing has been completed as follows:
  • Additional testing not necessary because:

[pkg-pr-new]

npm i https://pkg.pr.new/@cloudflare/kumo@466

commit: b571705

[ascorbic]

/review

[github-actions]

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Commit: b571705

[github-actions]

Visual Regression Report — 7 changed, 31 unchanged

7 screenshot(s) with visual changes:

Button / Loading State

6 px (0.01%) changed

Before	After	Diff

Button / Link as Button

734 px (0.72%) changed

Before	After	Diff

Dialog (Open)

0 px (0%) changed

Before	After	Diff

Select / Select Sizes

599 px (0.32%) changed

Before	After	Diff

Select / Select With Tooltip

294 px (0.29%) changed

Before	After	Diff

Select / Select Loading

0 px (0%) changed

Before	After	Diff

Select (Open)

0 px (0%) changed

Before	After	Diff

31 screenshot(s) unchanged

• Button / Basic
• Button / Variant: Primary
• Button / Variant: Secondary
• Button / Variant: Ghost
• Button / Variant: Destructive
• Button / Variant: Outline
• Button / Variant: Secondary Destructive
• Button / Sizes
• Button / With Icon
• Button / Icon Only
• Button / Disabled State
• Button / Title
• Dialog / Dialog With Actions
• Dialog / Dialog Basic
• Dialog / Dialog Alert
• Dialog / Dialog Confirmation
• Dialog / Dialog With Select
• Dialog / Dialog With Combobox
• Dialog / Dialog With Dropdown
• Select / Select Basic
• Select / Select Without Label
• Select / Select With Field
• Select / Select Placeholder
• Select / Select Custom Rendering
• Select / Select Multiple
• Select / Select Complex
• Select / Select Disabled Options
• Select / Select Disabled Items
• Select / Select Grouped
• Select / Select Grouped With Disabled
• Select / Select Long List

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Generated by Kumo Visual Regression