TUI (internal/tui/):
- Bubbletea-based live monitoring terminal with alt-screen
- Real-time event feed from audit Hub subscription
- Interactive: scroll, pause, filter by agent, expand event detail
  with cursor highlight
- Subagent resolution via session-to-agent mapping
- GitHub Dark color palette with lipgloss box layout
- Fallback to static banner when not a TTY

Dashboard:
- Design token system for severity colors
- All badges converted to outline style
- Observe pill desaturated, neutral border
- Login page: subtle button, input focus states, WCAG AA contrast
- Event sidebar: Agent section moved to top, latency color fixed
- Security Posture: stat numbers neutral except critical
- Accent color changed to GitHub blue

Infrastructure:
- Gateway starts without backends (needed for hooks-only mode)
- Minimal config includes gateway enabled
- Makefile auto-signs binary on macOS
- Clean shutdown suppresses log noise after TUI exit
- Welcome screen updated with tagline and green check
- Graph sidebar collapsible