* feat(time-range): click and drag interaction to pan x-axis over time
* feat(timeseries): add x-axis interaction area uPlot plugin
* test(timeseries): validate x-axis pan with Playwright browser test
* refactor(uplot-config): simplify state management for x-axis panning
* refactor(uplot-config): plot state union type
* fix(time-range-pan): simplify calcs, mouse handler cleanup function
Drew Slobodnjak
Jesse David Peterson