canonrs-server 0.1.0

CanonRS server-side rendering support
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id: accordion
label: Accordion
family: family-b-selection
category: Navigation
intent: Expand and collapse content sections
description: Expandable accordion sections
composable: true
capabilities: OpenClose, Multiple
required_parts: ["AccordionItem", "AccordionTrigger", "AccordionContent"]
optional_parts: []
tags: ["accordion", "collapsible", "expand", "sections", "faq"]
keywords: 
pain: Accordion allows invalid multi-open logic without enforced selection mode
promise: Selection mode enforced via type, preventing invalid open states
why: |
  AccordionSelection defines whether single or multiple items can be open. The primitive encodes state and behavior in data-rs attributes, ensuring consistent disclosure logic. VisibilityState guarantees SSR-safe open/closed state without runtime drift.
rules: ["CR-001", "CR-004"]
use_cases: ["faq sections", "settings panels"]
related: ["collapsible"]
file: accordion_ui.css
tokens: accordion-*, space-*, motion-*
foundation: spacing, motion
states: ["open", "closed", "disabled"]
island: accordion_boundary.rs
pillar: accordion
badges: ["SSR Safe", "Hydration Safe", "Token Driven", "Deterministic API", "Zero Drift", "Island Architecture"]
before: |
  // ❌ Typical
  view! {
    <div class="accordion">
      <button on:click=move |_| toggle(1)>"Item 1"</button>
      {if open == 1 { view! { <div>"Content"</div> } } else { view! {} }}
    </div>
  }
after: |
  // ✅ CanonRS
  view! {
    <Accordion selection=AccordionSelection::Single>
      <AccordionItem>
        <AccordionTrigger>"Item 1"</AccordionTrigger>
        <AccordionContent>"Content"</AccordionContent>
      </AccordionItem>
    </Accordion>
  }
boundary_type: interaction
ix_group: ix_nav
block: []
blocks_primitives: [stack]