feat: add suggestions to watchlist on marketlist UI

[gambinish]

Description

Add suggestions to the watchlist on market list UI. Should match behavior on Perps Home, minus the collapsible "show more" button.

Fixes back navigation from asset details screen so that it navigates correctly to Perps Home, or Market List, contextually.

Fixes search bar functionality on Market List Watchlist

Changelog

CHANGELOG entry: add suggested markets to watchlist on marketlist UI

Related issues

Fixes: n/a

Manual testing steps

Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]

Screenshots/Recordings

Screen.Recording.2026-06-12.at.9.31.00.AM.mov

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I've included tests if applicable
• I've documented my code using JSDoc format if applicable
• I've applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Performance checks (if applicable)

• I've tested on Android
  • Ideally on a mid-range device; emulator is acceptable
• I've tested with a power user scenario
  • Use these power-user SRPs to import wallets with many accounts and tokens
• I've instrumented key operations with Sentry traces for production performance metrics
  • See trace() for usage and addToken for an example

For performance guidelines and tooling, see the Performance Guide.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

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Note

Low Risk
UI-only perps market list and watchlist component changes behind the existing watchlist flag, with broad test coverage and no auth or data-layer changes.

Overview
Perps market list watchlist mode now mirrors Perps Home: when the watchlist feature flag is on and the watchlist filter is active, the screen always renders PerpsWatchlistMarkets with saved markets and suggested markets—not only when the watchlist is empty. The list view passes enableShowMore={false}, showHeader={false}, and wires row taps through the existing handleMarketPress so onMarketSelect, navigateToMarketDetails, and route transactionActiveAbTests behave like the main market list.

PerpsWatchlistMarkets gains optional onMarketPress (parent-owned navigation instead of internal navigation.navigate) and enableShowMore (default true; when false, all watchlist rows show with no expand/collapse). Both V1 and V2 honor onMarketPress.

Tests cover the new market-list watchlist flows and the new component props.

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[mm-token-exchange-service]

PR template — items to address before "Ready for review"

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[geositta]

Requesting changes unless we have a product decision not to support search? The navigation override and focused tests look good, but the watchlist marketlist search regression should be fixed before merge IMO.

[github-actions]

🔍 Smart E2E Test Selection

• Selected E2E tags: SmokePerps, SmokeWalletPlatform, SmokeConfirmations
• Selected Performance tags: @PerformancePreps
• Risk Level: medium
• AI Confidence: 88%

click to see 🤖 AI reasoning details

E2E Test Selection:
The PR modifies Perps-specific UI components:

1. PerpsMarketListView.tsx: Changes navigation from perpsNavigation.navigateToMarketDetails() to navigation.dispatch(StackActions.push(...)) to fix a stack navigation bug where pressing back from market details could skip the market list and land on PerpsHome. Also enhances the watchlist filter view with search filtering across watchlist and suggested markets, adds a ScrollView wrapper, and adds a "no results" empty state.

2. PerpsWatchlistMarkets.tsx: Adds onMarketPress prop for parent-controlled navigation override, and enableShowMore prop to disable the collapsible toggle.

3. Styles and tests: Supporting style additions and comprehensive unit test coverage for the new functionality.

Tag selection rationale:

• SmokePerps: Primary tag - directly tests Perps functionality including market list navigation and watchlist behavior
• SmokeWalletPlatform: Required per SmokePerps description - "Perps is also a section inside the Trending tab (SmokeWalletPlatform); changes to Perps views affect Trending"
• SmokeConfirmations: Required per SmokePerps description - "Add Funds deposits are on-chain transactions"

The navigation change (push vs navigate) is a behavioral fix that could affect the back-navigation flow in Perps, warranting E2E validation. The watchlist search filtering is new functionality that needs testing.

Performance Test Selection:
The PerpsMarketListView changes affect perps market loading and navigation behavior. The @PerformancePreps tag covers perpetuals trading performance including perps market loading and position management, which could be impacted by the ScrollView wrapper addition and the new watchlist filtering logic in PerpsMarketListView.

View GitHub Actions results

[geositta]

Tested latest changes and looks good!

[github-actions]

⚡ Performance Test Results

ℹ️ Performance test results are currently non-blocking and will not block this PR.

✅ All tests passed · 2 tests · 1 device

📱 Devices tested (1)

Android: Google Pixel 8 Pro (v14.0)

✅ Passed Tests (2)

Test	Platform	Device	Duration	Team	Recording
Perps add funds	Android	Google Pixel 8 Pro (v14.0)	0.00s	@mm-perps-engineering-team	📹 Watch
Perps open position and close it	Android	Google Pixel 8 Pro (v14.0)	19.14s	@mm-perps-engineering-team	📹 Watch

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Branch: perps/watchlist-marketlist-suggestions · Build: Normal · Commit: f9e9b7d · View full run