Pack detail-page header actions into GnDropdown component

Vue client: extract ScriptTable component and unify script tables ...

- Add reusable ScriptTable component with alias link, scope link, area badge, state badge, enable/disable actions
- ScriptTable auto-detects row.type for routing and toggling (mixed lists support)
- Replace script table in AreaDetailPage with ScriptTable (no area/actions columns)
- Replace script table in ScriptsRegularPage with ScriptTable
- Update mock handlers for area scripts to include type/area_id/scope
- 126 tests passing, build green

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

Vue client: unify area assignment mechanic for areas ...

- Extend AreaAssignSection with  and ]2;]1; props for reuse
- Add  to areasStore with reactive splice update
- Rewrite AreaDetailPage with shared useAreaAssign, AreaBadgeLink, AreaAssignSection
- Filter area options to exclude self-reference and descendants
- Add areasStore test for assignToArea
- 126 tests passing, build green

Add script detail pages with scope grouping ...

- Add ScriptDetailPage for actions, regular, and scopes
- Add scope field to script API response (from backend)
- Replace scope raw-PHP endpoint with client-side filtering via scope field
- Show action and regular scripts grouped by scope on scope detail page
- Remove inline switch from action cards (moved to detail page)
- Add router-links from list pages to detail pages
- Update MSW mocks with scope field for all script types

Add Vue areas tree page

Scaffold Vue web client