Add SLA visibility toggle control with profile persistence and cache invalidation for drill-down plots with checkbox widget, config serialization, and parameter watching
Add hourly granularity support with period-based time column handling, window calculations using hour intervals, and adaptive date axis formatting for hourly vs daily data across drill-down plots, site views, heatmaps, and correlation analysis
Add TWAMP RAT support with file input, filter options, traffic columns, and enhanced numeric parsing for European/US decimal formats with comma/dot disambiguation logic
Add comprehensive input validation system with real-time error/warning feedback, robust type coercion for numeric parameters, and enhanced button state management based on validation results and data availability
