Feature/add detox e2e tests

[ExcelDsigN-tech]

Add E2E Testing Framework with Detox (Closes #87)

Overview

This Pull Request introduces a comprehensive end-to-end (E2E) testing suite using Detox. It establishes the infrastructure for automated UI testing on both iOS and Android, ensuring that critical user flows—such as app launch, subscription management, and crypto payments—remain functional through future updates. This addresses the current gap where integration issues were bypassing unit tests.

Feature Summary

• E2E Infrastructure: Detox configuration for iOS/Android with Expo prebuild support.
• Critical Path Testing: Automated flows for App Launch, Subscription Management, and Crypto Payments.
• CI/CD Pipeline: Automated GitHub Actions workflow for E2E execution on macOS and Ubuntu runners.
• Stability Fixes: Resolved React 19 compatibility issues and date formatting bugs found during integration.

Technical Implementation

• Configuration: Added .detoxrc.js and integrated @config-plugins/detox in app.json.
• Testing Suite: Implemented launch.test.ts, subscription.test.ts, and payment.test.ts using Jest.
• Store Updates: Refactored subscriptionStore.test.ts to use act from react for React 19 compliance.
• CI Workflow: Created .github/workflows/e2e-detox.yml with emulator acceleration.

Test Coverage

• Unit Tests: All existing logic and store tests passing.
• E2E Launch: Verified successful bootstrap and home screen rendering.
• E2E Subscription: Full flow simulation for adding services.
• E2E Payments: Validation of crypto payment modal interactions.

Tasks

• Install and configure Detox for iOS and Android
• Implement critical path test scripts
• Resolve React 19 and date formatting regressions
• Configure GitHub Actions CI workflow
• Verify branch is up-to-date with main

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