Polish ConnectWalletModal provider rows with last-used label

[greatest0fallt1me]

Description

This is a UI/UX issue for the GrantFox campaign. This is a UI/UX issue for the GrantFox campaign. Show 'Last used' badge next to the most recently used provider.

Requirements and Context

• Implement per the description
• Add focused tests for the change
• Document any API/visible changes
• Adhere to repo's lint and code style
• Must be secure, tested, and documented
• Should be efficient and easy to review

Suggested Execution

1. Fork the repo and create a branch

   git checkout -b task/wallet-last-used

2. Implement changes
   • app/components/ConnectWalletModal.tsx
   • app/state/walletPrefs.ts
3. Test and commit
   • Run the repo's standard test suite and lint
   • Cover edge cases; include output in the PR

Example commit message

feat: last-used wallet badge

Acceptance Criteria

• Implementation matches the description
• Tests added and passing
• Code review approved
• Docs updated

Guidelines

• Responsive across all breakpoints
• WCAG 2.1 AA accessibility
• Design-token + dark-mode consistency
• Clear documentation and inline comments
• Timeframe: 96 hours

[brite-side0]

@brite-side0 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello maintainer,

I’m a Full Stack Blockchain, Mobile, and Software Engineer with experience building scalable and production ready applications.

I’ve reviewed this particular issue and understand its requirements. If assigned, I’ll begin work immediately, provide regular updates, and deliver a clean, well-tested, and maintainable solution that meets the project’s standards.

Looking forward to contributing.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @brite-side0 to this issue.

[drips-wave]

Congratulations, @brite-side0! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @brite-side0: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

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