D-002: Implement comprehensive E2E test coverage with Playwright

[Nanle-code]

Overview

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Implementation Details

Step 1: Set up Playwright infrastructure

• Configure playwright.config.ts for all viewports
• Add authentication fixtures for wallet tests
• Set up test data factories

Step 2: Create test utilities

• Build helper functions for common actions
• Create mock data generators
• Add custom matchers for Stellar-specific assertions

Step 3: Write critical path tests

• Account connection flow (happy path + edge cases)
• Transaction submission flow
• Wallet connection (Freighter, Ledger)
• Contract interaction flow

Step 4: Add visual regression

• Configure Percy or Chromatic
• Create baseline screenshots
• Add visual tests for all major components

Step 5: Mobile testing

• Add mobile viewport tests
• Test touch interactions
• Verify responsive layouts

[HuyadO4]

@HuyadO4 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi maintainer, I'd love to work on this issue.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @HuyadO4 to this issue.

[drips-wave]

Congratulations, @HuyadO4! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @HuyadO4: 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

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