- Replace hardcoded navigation routes with history-based navigation (navigate(-1)) - Convert presentation deletion to use shared ConfirmDialog/AlertDialog components - Consolidate button components throughout the application - Fix TypeScript unused import errors from button component consolidation - Convert enums to const assertions to fix erasableSyntaxOnly compatibility - Hide theme browsing features with "coming soon" comments - Improve AppHeader routing with regex patterns instead of manual parsing 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>