[UFObject247]

Summary

Closes #100
Closes #101
Closes #102
Closes #103

Four focused accessibility enhancements to the Soroban Testkit Interface.

#100 — Inline help text for form fields

Every required and optional input, select, and checkbox in the command builder now carries an aria-describedby attribute pointing to a visible .field-help element. Screen reader users can now discover each field's purpose and expected value without trial and error.

• Path: "Path to the contract workspace or source directory, such as . or ./contracts/token."
• Format: "html opens in a browser; lcov feeds into CI coverage tools; text prints to stdout."
• Open: "Automatically launches the HTML report in your default browser after generation."
• Function: "Use the exported symbol name from your contract ABI, such as batch_payout." (pre-existing, now verified)
• Ramp: "Use the parameter you want to increase in the contract input set." (pre-existing, now verified)
• Strict: "When enabled, the audit command exits with a non-zero status if any warnings are found."
• Shell: "Adjusts quoting and syntax so the generated command is valid for your shell."

#101 — Focus moves to the workflow heading after a mode switch

Clicking the coverage / limits / audit tab buttons now moves focus to the "From intent to command" h2 (via tabIndex={-1} + a useEffect that skips the first render). Keyboard and screen-reader users land at the top of the updated form instead of staying on the tab button.

#102 — Validation errors announced via live region

The Copy button now runs validation before writing to the clipboard. The first unsatisfied constraint is announced through an aria-live="assertive" + role="alert" region, and the message clears as soon as the field is corrected. The clipboard is never written when validation fails.

#103 — Copied status persists long enough for assistive technology

The reset timeout for all copy buttons (Copy, Copy with comments, Copy as script, step Copy buttons) has been extended from 1 600 ms to 3 000 ms. This gives screen readers and Braille displays enough time to announce the state change before it reverts.

Test plan

• Focused unit tests added for all four behaviours (src/App.test.tsx)
• Pre-existing test count unchanged (15 pre-existing failures, 0 new failures introduced)
• docs/accessibility.md updated with new automated-check entries and findings 11–14

🤖 Generated with Claude Code

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