Use gnexus-ui-kit semantic colors for device status dot and add state components ...

- Status dot in DeviceTable now uses .text-success / .text-danger from
  gnexus-ui-kit with currentColor for background and glow instead of
  project-specific CSS vars.
- Add DeviceChannelsState component for per-channel state rendering.
- Add loadStatesFor helper in devices store for targeted state loading.
- Record styling rule in CLAUDE.md: always prefer kit color classes.

Replace connect column with inline status dot in device table

Show per-channel device states in DeviceTable and load states on AreaDetailPage

Add toast feedback for device reboot in list and detail views

Vue client: extract DeviceTable component and use in AreaDetail ...

- Add reusable DeviceTable component (device cell, connect badge, state, reboot)
- Refactor DevicesListPage to use DeviceTable
- Replace simple device table in AreaDetailPage with full DeviceTable
- 126 tests passing, build green