- Replace AgentDetailView and AgentsView components with CSS class-based styling approach
- Integrate AI generation feature from FN-865 using CSS class methodology
- Fix CSS class verification test regex and add missing .agent-detail-info rule
- Refactor NewAgentDialog to align with new component structure
- Redesign Agent Manager UI using global design tokens for consistent theming
- Expand styles.css with comprehensive agent-specific CSS rules and design system variables
- Add agent-css-classes.test.ts to verify CSS class coverage and correctness
