fix: skip sort in real mode, API already returns ORDER BY real_time ASC

web/components/ChartCard/SignalsChart.tsx

@@ -50,7 +50,7 @@ export default function SignalsChart({
 
   const { containerRef, legendRef } = usePlot(
     (el, w, h, lRef) => {
-      const data = buildSeriesData(rows, config.signal_type, timeMode, config.series_limit);
+      const data = buildSeriesData(rows, config.signal_type, timeMode);
       if (!data) return null;
 
       const { keys, allXs, data: seriesData } = data;

web/components/ChartCard/UpsChart.tsx

@@ -24,15 +24,13 @@ export default function UpsChart({ config, upsRows, timeMode, onEdit, onDelete }
     (el, w, h, lRef) => {
       if (upsRows.length < 2) return null;
 
-      const sorted = [...upsRows].sort((a, b) =>
-        timeMode === 'tick'
-          ? a.game_tick - b.game_tick
-          : new Date(a.real_time).getTime() - new Date(b.real_time).getTime(),
-      );
-      const xs = sorted.map((r) =>
+      const data = timeMode === 'tick'
+        ? [...upsRows].sort((a, b) => a.game_tick - b.game_tick)
+        : upsRows;
+      const xs = data.map((r) =>
         timeMode === 'tick' ? r.game_tick : new Date(r.real_time).getTime() / 1000,
       );
-      const ys = sorted.map((r) => r.ups);
+      const ys = data.map((r) => r.ups);
 
       const xAxis: uPlot.Axis = {
         ...AXIS_BASE,

web/components/ChartCard/seriesData.ts

@@ -1,5 +1,7 @@
 import type { SignalRow, ChartConfig, TimeMode } from '@/lib/types';
 
+const MAX_SERIES = 80;
+
 export interface SeriesData {
   keys: string[];
   allXs: number[];
@@ -10,7 +12,6 @@ export function buildSeriesData(
   rows: SignalRow[],
   signalType: ChartConfig['signal_type'],
   timeMode: TimeMode,
-  seriesLimit: number = 80,
 ): SeriesData | null {
   const seriesMap = new Map<string, Map<number, number>>();
 
@@ -33,7 +34,7 @@ export function buildSeriesData(
 
   if (seriesMap.size === 0) return null;
 
-  const keys = [...seriesMap.keys()].slice(0, seriesLimit);
+  const keys = [...seriesMap.keys()].slice(0, MAX_SERIES);
   const allXs = [
     ...new Set(
       keys.flatMap((k) => {