Created ChatMessage.tsx component with:
- ChatMessage component for displaying user/assistant messages
- Styled differently based on role (user right-aligned, assistant left-aligned)
- Framer Motion animations for smooth appearance
- Streaming indicator for real-time response display
- TypingIndicator component for loading state
- WelcomeMessage component for empty chat state
- Timestamp formatting utility
- Responsive design following existing Tailwind patterns
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
