feat: MUSD-455 bring back claim section on asset details screen

[Matt561]

Description

This PR brings back the mUSD bonus claim section displayed on the asset overview screen. It was previously removed as part of this PR.

Changelog

CHANGELOG entry: Restored mUSD claimable bonus claim section on asset overview screen

Related issues

Fixes: MUSD-455: Bring back claim section on asset details screen

Manual testing steps

Feature: mUSD claimable bonus on asset overview

  Scenario: user views and claims their mUSD bonus
    Given user has claimable Merkl rewards above the minimum threshold

    When user navigates to the mUSD asset details screen
    Then a claim bonus section is displayed with the claimable amount

    When user taps "Claim"
    Then the claim confirmation bottom sheet appears
    Then the "Claim" button is guarded against repeated clicks after the first

Screenshots/Recordings

Before

Bonus claim section wasn't rendered on the asset overview screen.

After

Screen.Recording.2026-03-17.at.5.33.54.PM.mov

Notes

• Fixed an edge case where the Claim button press-guard could get stuck if claimRewards() exits early (e.g. missing selected account or Linea network client id), causing subsequent taps to be ignored.

---

Note

Medium Risk
Adds a new claim CTA into the token details render path and wires it to rewards-claiming hooks, analytics, and external linking; this could impact performance (hook execution for many assets) and claim UX if gating/chain selection is wrong.

Overview
Restores an mUSD “Claimable bonus” section on the asset details screen, showing the user’s claimable amount and a Claim button that triggers useMerklBonusClaim’s claim flow and disables/rejects repeated presses while a claim is in flight/pending.

Adds an info tooltip with a link to Terms of Use (with new analytics location), plus new i18n strings and test IDs to support UI copy, tracking, and E2E automation.

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[github-actions]

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 16.12903% with 26 lines in your changes missing coverage. Please review.
✅ Project coverage is 45.21%. Comparing base (bb5bfa8) to head (dec0d8e).
⚠️ Report is 35 commits behind head on main.

Files with missing lines	Patch %	Lines
...ssetOverviewClaimBonus/AssetOverviewClaimBonus.tsx	7.69%	24 Missing ⚠️
...I/TokenDetails/components/AssetOverviewContent.tsx	50.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main   #27567       +/-   ##
===========================================
- Coverage   82.19%   45.21%   -36.98%     
===========================================
  Files        4788     4786        -2     
  Lines      123512   123340      -172     
  Branches    27364    27414       +50     
===========================================
- Hits       101516    55764    -45752     
- Misses      14962    62428    +47466     
+ Partials     7034     5148     -1886     

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[github-actions]

🔍 Smart E2E Test Selection

• Selected E2E tags: SmokeTrade, SmokeWalletPlatform, SmokeConfirmations
• Selected Performance tags: None (no tests recommended)
• Risk Level: medium
• AI Confidence: 72%

click to see 🤖 AI reasoning details

E2E Test Selection:
The PR introduces a new AssetOverviewClaimBonus component for claiming Merkl bonus rewards in the Earn/staking flow. Key findings:

1. New component (AssetOverviewClaimBonus): Renders a claim bonus UI with a claimable amount, info tooltip, and claim button. Uses useMerklBonusClaim hook to handle the claim transaction flow.

2. AssetOverviewContent.tsx modification: Integrates the new component into the token details/asset overview screen. The component is gated behind selectMerklCampaignClaimingEnabledFlag feature flag AND isTokenEligibleForMerklRewards check, so it only renders for eligible tokens (mUSD on Linea).

3. Analytics events: New event location constant added for tooltip tracking.

4. Localization: New i18n strings added for the claim bonus UI.

Tag selection rationale:

• SmokeTrade: The staking/earn functionality is covered under SmokeTrade (stake-action-smoke.spec.ts uses SmokeTrade tag). The claim bonus is part of the earn/staking flow on Linea.
• SmokeConfirmations: Per SmokeTrade tag description, when selecting SmokeTrade for staking flows, also select SmokeConfirmations since claim transactions are on-chain transactions requiring confirmation UI.
• SmokeWalletPlatform: The AssetOverviewContent.tsx is part of the token details view (a core wallet platform feature). Changes to this component could affect how token details are displayed for all tokens, even though the new component is feature-flag gated.

Risk factors:

• The changes are additive and feature-flag gated, reducing risk to existing flows
• The AssetOverviewContent.tsx modification is minimal (3 new imports + conditional render)
• No changes to controllers, navigation, or shared infrastructure
• No existing E2E tests specifically for Merkl rewards/claim bonus were found

Performance Test Selection:
The changes are additive UI components gated behind a feature flag. The new AssetOverviewClaimBonus component only renders for eligible tokens (mUSD on Linea) and doesn't affect general asset loading, account lists, or app startup performance. No performance-sensitive code paths (Redux state management, list rendering, app initialization) are modified. Performance tests are not warranted for this change.

View GitHub Actions results

[github-actions]

✅ E2E Fixture Validation — Schema is up to date
16 value mismatches detected (expected — fixture represents an existing user).
View details

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
95.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud