Add GnRepeater component for dynamic field groups ...

- New Vue adapter: GnRepeater with v-model, scoped #item slot,
  minItems/maxItems guards, and built-in Add/Remove UI
- SCSS: .repeater, .repeater-header, .repeater-item,
  .repeater-item-body, .repeater-item-actions
- Demo: vanilla repeater with inline JS + GnRepeater in Vue forms
- Build verified: compare-heights reports 0 differences

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Add GnTagInput component for multi-value string input ...

Features:
- New GnTagInput Vue component with inline chip display
- Enter / paste (with separator split) to add tags
- Backspace in empty field removes last tag
- Unique check and maxItems limit
- Removable chips with x button

Style:
- Add _tag-input.scss with .tag-input, .tag-input-wrap, .tag-input-field
- Chips reuse existing .chip-secondary styling

Demo:
- Add interactive tag input example to Forms section (vanilla + Vue)
- Add code example blocks for HTML and Vue usage

Docs:
- Add GnTagInput to CLAUDE.md component catalog

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Redesign toast UX: compact layout, progress bar, title-only mode ...

- Replace heavy colored header strip with inline icon+title header
- Add thin bottom progress bar showing remaining lifetime
- Support title-only compact single-line toasts (no text = no body padding)
- Increase tinted background opacity from 0.06 to 0.18 for visibility
- Fix vanilla toast defaults: all variants now use lifetime=4000, alone=true
- Add demo buttons for title-only variants in both vanilla and Vue demos
- Remove hover effect from toast close button
- Adjust close button position (top: 5px) and progress bar margin (1px)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

v0.3.0 — GnUserCard, NavigationShell footer slot, Vue demo partials ...

Features:
- Add GnUserCard Vue component with compact and full variants
- Add GnNavigationShell #footer slot for custom footer content
- Add profile footer demo in navigation-shell section
- Split demo/vue.html into 27 partials under demo/partials/vue/
- Fix toast open animation (nextTick + requestAnimationFrame pattern)

Style:
- Add .user-card and .user-card-compact to _cards.scss
- Add .profile-identity to _navigation-shell.scss

Docs:
- Add demo synchronization rules to CLAUDE.md

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Fix Vue demo visual issues and expand component showcase ...

- _forms.scss: rename .checkbox to .switch, create proper .checkbox
  for checkbox (square) vs switch (slider) differentiation
- GnSwitch.js: create dedicated switch component using .switch class
- _forms.scss: add .radio-group with flex-wrap gap for radio layouts
- GnRadioGroup.js: add radio-group class to container
- _cards.scss: fix .card-horizontal .card-media sizing with
  max-height, aspect-ratio, and align-self: start
- demo/vue.html: fix steps data (label → title)
- demo/vue.html: fix definition list data (definition → description)
- demo/vue.html: add Accordion, InputGroup demos
- demo/vue.html: add NavigationShell import (component registered)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Add GnLoginCard component for standardized login forms ...

- Create GnLoginCard Vue adapter component with username/password
  fields, optional remember-me checkbox, submit button, and
  forgot-password / sign-up links.
- Add `.login-card` styles in _cards.scss with centered header,
  full-width submit button, and spaced link row.
- Register GnLoginCard in plugin and index exports.
- Add login-card demo block to demo/partials/cards.html.
- Update CLAUDE.md, README, and Vue docs with component entry.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Add compact .btn-icon-sm and fix copy-button demo ...

- Introduce `.btn-icon-sm` (28×28, 18 px icon) in `_buttons.scss` for
  a miniature icon-button variant.
- Remove `.btn-secondary` from demo copy buttons so they render as
  transparent icon-only controls without background.
- Add `size` prop to `GnIconButton` and `GnCopyButton` Vue components.
- Update docs and demo to reflect the new size option.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Add GnCopyButton component and strict icon rule in docs ...

- Create GnCopyButton Vue adapter component with clipboard copy
  and 3-second icon swap from ph-copy to ph-check.
- Register GnCopyButton in plugin and index exports.
- Add copy-button demo block to demo/partials/buttons.html.
- Update CLAUDE.md, README, and Vue docs with component entry.
- Enforce "all icons must carry the ph class" rule in CLAUDE.md.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Add GnHorizontalCard component ...

- New SCSS block .card-horizontal with 1:4 flex layout
  .card-media (20% width, min 80px, max 160px)
  .card-body with .card-title, .card-content, .card-footer
- Title supports optional link via titleHref prop
- Image is optional; card works without it
- Registered in plugin.js and index.js exports
- Updated docs: README, CLAUDE.md, component-api, component-map, ai-usage-guide

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Improve Vue adapter usability, add router support, and fix animations ...

- Remove hover rotation from .btn-icon (SCSS)
- Fix iconNode to auto-prefix missing "ph-" and warn in dev
- Add CLAUDE.md as AI agent quick-reference for component usage
- Include src/vue/ and CLAUDE.md in published package files
- Add exports field wildcard for src/vue/* subpaths
- Reposition Vue adapter docs as primary contract (not thin wrapper)
- Add JSDoc @typedef to key Vue components (GnButton, GnInput, etc.)
- Add Vue demo page (demo/vue.html) linked from main navigation

Router support (optional, no hard dependency):
- Create useVueRouter composable with safe getCurrentInstance access
- Create GnRouterTabs component for route-driven tabs
- Add item.to support to GnNavList with auto-active and router.push
- Forward activeMatch through GnNavigationShell to GnNavList
- Register GnRouterTabs in plugin and index exports
- Update docs (README, CLAUDE, component-api, ai-usage-guide, component-map)

Fix missing close animations in Vue components:
- GnModal: a-hide transition before unmount (300ms)
- GnDrawer: a-hide transition before unmount (300ms)
- GnToastProvider: dismiss with a-hide animation, close for instant clear

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Harden Vue adapter accessibility behavior

Add remaining Vue CSS wrappers

Add Vue form adapter components

Add Vue navigation overlay adapters

Harden Vue adapter smoke path

Expand Vue adapter component coverage

Add Vue adapter foundation