feat(tokenselector): 4 - implement recent tokens feature

[fairlighteth]

Summary

Adds persistent “Recent” tokens and inline favorites per the token-selector rollout plan. This slice introduces the localStorage-backed recent-token storage/hook, wires the selection context with a reusable TokenSelectionHandler + onTokenListItemClick, and refactors TokensContent/TokensVirtualList so favorites and recents render ahead of “All tokens” with a Clear CTA. The widget now records recent selections for both standard and bridging flows (fallback to wallet chain when the target chain isn’t set).

To Test

1. Standard selector

   • Open the token selector, pick a few tokens, close/reopen; a “Recent” section should appear with the latest picks.
   • Click “Clear” in the Recent header; the section should disappear until new selections are made.

2. Favorites

   • Favorite tokens render as pills at the top of the list and still respect selection + disabled state.
   • Selecting a favorite should immediately close the selector and update recents without duplicating entries.

3. Bridging / chain switch

   • Switch to a bridging scenario (output field on another chain); recents should be scoped to that target chain.
   • Return to a normal (non-bridging) selection—the recents list should fall back to the wallet’s chain history.

4. Search + Enter key

   • Search for a token and press Enter; the token should be selected and added to recents just like a click.

Background

Implements Step 4 of the token-selector split plan by persisting recent selections, exposing the shared selection handler, and pinning favorites/recents ahead of the full list so later PRs can build on a richer, stateful selector column.

[vercel]

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Project	Deployment	Preview	Updated (UTC)
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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/token-selector-4

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