- agent.on() does not exist - replaced all 3 calls with single agent.subscribe() handler
- Maps AgentEvent types: agent_start/end, turn_start/end, tool_execution_start, message_start/end
- Cost tracking now reads usage from message_end event message.usage field
- Added favicon.ico and apple-touch-icon.png from mascot
- Fixed page title from Pi Web UI to Agent JAE
- Add 5 mascot images (default, fire, point-up, point-self, camo) to public/mascot/
- New empty state component with floating mascot, tagline, and suggestion chips
- New utility toggle component (show/hide tool calls, thinking, system msgs, timestamps)
- Mascot logo in header with wobble animation on hover
- Floating animation and orange glow for mascot in empty state
- Suggestion chips dispatch events to fill chat textarea
- CSS visibility classes for all toggle states
