- Create LogsService with VictoriaLogs client integration
- Implement QueryLogs with role-based limits
- Implement StatsQuery for time-series data
- Implement GetFacets for field facets
- Implement TailLogs for real-time streaming
- Implement ExportLogs with format support
- Add query validation and safety checks
- Add role-based rate limiting (default/max limits per role)
- Auto-calculate appropriate time range and step
Closes#12
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>