feat(modal): add radio element support

[uttam12331]

Summary

Implements #85 — adds a new radio input type to the modal component.

<Modal
  title="Sign up"
  theme="Crimson"
  type="form"
  elements={[
    { type: 'text', name: 'fullName', placeholder: 'Full Name', amount: 1 },
    { type: 'radio', name: 'plan', placeholder: 'Choose a plan', options: ['Free', 'Pro', 'Enterprise'], amount: 1 }
  ]}
  onSubmit={(data) => console.log(data)}
/>

What changed

As outlined in the issue, all four touch-points are covered:

• elements.json — registers the radio element (input tag, requires-options: true, radiogroup aria role).
• constants.js — exposes DYVIX_MODAL_ELEMENT.RADIO (single line, matching the generator output).
• modal.jsx — the options lookup now applies to any requires-options element (so it uniformly covers select, d-select and the new radio), plus a dedicated render branch that draws an accessible radio group: one <input type="radio"> per option sharing the field name, with checked bound to data[name] and selection written back through the existing handleInputChange flow.
• elements.css — styles for the radio group, legend and inputs.

The selected option's value is stored in data[name] like any other field, so existing validation and submit logic work unchanged. Existing element types are unaffected.

Testing

• Added a radio example to the devbench (devbench/src/component/modal.jsx).
• npm run build -w devbench succeeds (96 modules transformed).
• Prettier-clean across all changed files.

Closes #85

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Project	Deployment	Actions	Updated (UTC)
dyvix-ui	Ready	Preview, Comment	Jul 3, 2026 11:57pm

[younisdev]

Hey, @uttam12331. I made a few CSS adjustments to create a compact inline layout for the radio element. However, allowing multiple radio groups in a single row doesn't fit the current design. Could you update InputValidation.jsx to prevent developers from adding more than one radio group? Thanks!