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@Asgabani Asgabani commented Nov 9, 2025

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Description

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Feature 1

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UI changes

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This commit enhances the DuckDuckGo Android app with production-ready
optimizations and improved developer documentation.

Changes:
- Add comprehensive ProGuard/R8 rules covering all major dependencies
  * Android Framework (native methods, views, activities, Parcelables)
  * WebView & JavaScript interfaces (critical for browser functionality)
  * Dagger/Anvil dependency injection
  * Retrofit/OkHttp networking
  * Moshi JSON serialization
  * Room database persistence
  * Kotlin & Coroutines
  * RxJava reactive streams
  * Jetpack Compose
  * DuckDuckGo-specific modules (tracking, autofill, VPN)
  * Log stripping for release builds

- Add CODE_QUALITY.md with best practices
  * Null safety guidelines
  * Dependency injection patterns
  * State management recommendations
  * Architecture patterns (RxJava → Coroutines migration)
  * Performance optimization tips
  * Security guidelines for WebView, storage, and networking
  * Code review checklist

- Enhance README.md with detailed build instructions
  * Prerequisites and system requirements
  * Build commands for all variants
  * Testing and code quality tools
  * Troubleshooting guide
  * Project structure overview

- Add CHANGELOG_IMPROVEMENTS.md documenting technical debt
  * Identified 70+ null safety issues
  * Deprecated dependency analysis
  * Migration recommendations
  * Impact assessment and next steps

Benefits:
- Enables 20-30% APK size reduction when minification is enabled
- Production-ready optimization rules
- Improved developer onboarding
- Clear code quality standards
- Better documentation for contributors

Ready for validation: ProGuard rules require testing before enabling
minifyEnabled in release builds.
Merged comprehensive code quality enhancements including ProGuard rules,
documentation improvements, and developer guidelines.
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