Make order history audit details discoverable

[luokerenx4]

Summary

• add a visible Details column to order history instead of relying only on whole-row mouse clicks
• expose per-contract Show/Hide controls with aria-expanded and aria-controls
• retain the existing row-click convenience while making commit intent and errors keyboard accessible

Evidence

The Demo Portfolio History view showed four static table rows in the accessibility tree. Although each row was clickable with a pointer, there was no focusable control or expanded state, so keyboard and screen-reader users could not reach the commit hash, intent message, rejection error, or resolution timestamp hidden behind the row.

Verification

• pnpm vitest run ui/src/pages/UTADetailPage.order-history.spec.tsx (1 passed)
• cd ui && npx tsc -b
• npx tsc --noEmit
• pnpm test (3389 passed, 9 skipped)
• real Demo route: AMD exposes Show details for AMD order; activating it changes to expanded Hide details for AMD order and reveals f31c9a2 / Add AMD ahead of earnings; AAPL, NVDA, and GOOG expose their own controls

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Project	Deployment	Actions	Updated (UTC)
openalice-demo	Ready	Preview, Comment	Jul 28, 2026 11:06pm