feat: y-axis SI prefix, hide tick from legend, fix table sort

web/components/ChartCard/plotHelpers.ts

@@ -1,5 +1,6 @@
 import uPlot from 'uplot';
 import type { ChartConfig } from '@/lib/types';
+import { formatSI } from '@/lib/formatNumber';
 
 // --- Color helpers ---
 
@@ -164,7 +165,7 @@ export function makeSignalsSeries(
   ];
 }
 
-export function makeSignalsAxes(timeMode: 'real' | 'tick'): uPlot.Axis[] {
+export function makeSignalsAxes(timeMode: 'real' | 'tick', locale?: string): uPlot.Axis[] {
   return [
     {
       ...AXIS_BASE,
@@ -173,6 +174,10 @@ export function makeSignalsAxes(timeMode: 'real' | 'tick'): uPlot.Axis[] {
           vals.map(v => v == null ? '' : new Date(v * 1000).toLocaleTimeString()),
       }),
     },
-    { ...AXIS_BASE },
+    {
+      ...AXIS_BASE,
+      values: (_u: uPlot, vals: (number | null)[]) =>
+        vals.map(v => v == null ? '' : formatSI(v, locale)),
+    },
   ];
 }