Apply uniform design system across all routes and components:
- Consistent header pattern with gradient-text titles, dimmed subtitles
- Loader type="dots" replacing text-based loading states
- Icon + text empty/error states with Paper+glass containers
- Full STATUS_COLOR/STATUS_LABEL maps for all BugStatus values
- dayjs timestamps, Tooltip on action icons, size="sm" on badges/pagination
- Modals with overlayProps blur and gradient save buttons
- Replace left-border Papers with clean Stack headers
- Translate all remaining Indonesian UI strings to English
- New monitoring-themed SVG logo and redesigned splash screen
- Replace timeline view with table layout (Time, Operator, Type, Message)
- Add date range filter using @mantine/dates DatePickerInput
- Add SegmentedControl for log type filter
- Disable App Logs and Settings menu on /dev
- Remove Activity Logs menu from /dev (moved to /logs)
- Add dateFrom/dateTo query params to /api/logs backend
- Import @mantine/dates/styles.css to fix datepicker styling
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>