fix: add migration to change green/red/threshold from INTEGER to BIGINT

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/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) => {

web/migrations/004_add_bigint_signals.js

@@ -0,0 +1,12 @@
+/** @type {import('node-pg-migrate').MigrationBuilder} */
+exports.up = (pgm) => {
+  pgm.sql(`ALTER TABLE signals ALTER COLUMN green TYPE bigint`);
+  pgm.sql(`ALTER TABLE signals ALTER COLUMN red TYPE bigint`);
+  pgm.sql(`ALTER TABLE alerts ALTER COLUMN threshold TYPE bigint`);
+};
+
+exports.down = (pgm) => {
+  pgm.sql(`ALTER TABLE alerts ALTER COLUMN threshold TYPE integer`);
+  pgm.sql(`ALTER TABLE signals ALTER COLUMN red TYPE integer`);
+  pgm.sql(`ALTER TABLE signals ALTER COLUMN green TYPE integer`);
+};