Issue/516 515 530 512 modal loading

[dorismaduegbunam]

closes #516
closes #515
closes #530
closes #512

Summary of changes in this branch (issue/516-515-530-512-modal-loading):

1. Modal needs a focus trap and scroll lock audit #516 - Modal focus trap and scroll lock audit

   • Created shared useFocusLock hook for focus trapping and scroll locking
   • Updated Modal component to use the shared hook
   • Updated Header mobile menu to reuse the shared hook
   • Added useReduceMotion hook for prefers-reduced-motion support
   • Updated Skeleton component to respect prefers-reduced-motion

2. No confirmation step before irreversible actions #515 - No confirmation step before irreversible actions

   • Created ConfirmDialog component built on existing Modal
   • Updated BotListingCard to require confirmation for buy and cancel actions
   • ConfirmDialog shows exact amounts, bot name, and resulting state
   • Supports Escape key and focus trap

3. Long addresses and usernames are truncated with no full value available #530 - Long addresses and usernames truncated with no full value

   • Extracted shared truncateAddress module into frontend/src/lib/truncateAddress.ts
   • Updated Header to use shared truncateAddress with click-to-copy functionality
   • Updated LeaderboardTable to use shared truncateAddress with full value title and aria-label
   • Added full address available to screen readers and clipboard

4. No skeleton or loading state on the dashboard #512 - No skeleton or loading state on the dashboard

   • Created loading.tsx for dashboard route
   • Added skeletons keyed to each query's isLoading state
   • Distinguished "loading" from "zero" in numeric displays
   • Skeleton respects prefers-reduced-motion
   • Dashboard shows skeletons during queries instead of false empty state

[vercel]

@dorismaduegbunam is attempting to deploy a commit to the Ada's projects Team on Vercel.

A member of the Team first needs to authorize it.

[drips-wave]

@dorismaduegbunam Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits