Modernise styling: CSS custom-property theming tokens and datatable ::part surface

Add Husky pre-commit + pre-push hooks and a CI coverage threshold for tighter feedback

Dev server: first visit often fails to load data; hard refresh required

Tame Nightingale's click-highlight fill swap on collapsed group aggregate tracks

Add `detailOnly: true` flag on tracks to replace group-level `component:` overrides

Improve default `dataTooltip` with richer information from adapted payloads

Emit per-track summary `console.warn` for missing `dataTooltip` field references

Improve default `dataTooltip` with richer information from adapted payloads

Define draft JSON viewer configuration schema

Investigate pros/cons of updating molstar vs adopting pdbe-molstar