- Add structured logging with slog throughout application
- Implement real-time updates using Server-Sent Events and HTMX
- Add broadcaster system for instant UI updates when agents report stats
- Replace meta refresh with HTMX-powered seamless updates
- Add new API endpoints for HTMX fragments and SSE events
- Update templates to use HTMX for instant data refresh
- Enhance README with real-time features and updated documentation
- Remove obsolete template generation file
- Create enhanced agent detail template with all stats and hostname edit form
- Add UpdateHostname method to store for agent hostname updates
- Add UpdateAgentHostname handler in UI for web form submissions
- Add UpdateHostname endpoint in API handler for JSON requests
- Register new POST /agents/{id}/hostname route for hostname updates
- Improve agent detail page layout with Settings and Danger Zone sections
- Add error handling for missing agents and empty hostname values
