fix(beszel): resolve lint errors in widget and API files

Remove unused BeszelStatsData import from beszel router.
Replace non-null assertions with safe fallbacks across beszel
widget files (format.ts, chart.tsx, system-grid, system-stats).

packages/api/src/router/widgets/beszel.ts

@@ -6,7 +6,7 @@ import {
   beszelStatsRequestHandler,
   beszelSystemsRequestHandler,
 } from "@homarr/request-handler/beszel";
-import type { BeszelAlertsData, BeszelStatsData, BeszelSystemRow } from "@homarr/request-handler/beszel";
+import type { BeszelAlertsData, BeszelSystemRow } from "@homarr/request-handler/beszel";
 
 import { createManyIntegrationMiddleware } from "../../middlewares/integration";
 import { createTRPCRouter, publicProcedure } from "../../trpc";

packages/widgets/src/beszel-system-grid/component.tsx

@@ -37,22 +37,21 @@ interface SizeConfig {
   gap: number;
 }
 
+const defaultSizeConfig: SizeConfig = {
+  iconSize: 10,
+  fontSize: "10px",
+  progressSize: "xs",
+  labelMiw: 40,
+  valueMiw: 30,
+  rowHeight: 18,
+  cardPadding: 4,
+  badgeHeight: 20,
+  badgeSize: "xs",
+  gap: 2,
+};
+
 const sizeThresholds: [number, SizeConfig][] = [
-  [
-    0,
-    {
-      iconSize: 10,
-      fontSize: "10px",
-      progressSize: "xs",
-      labelMiw: 40,
-      valueMiw: 30,
-      rowHeight: 18,
-      cardPadding: 4,
-      badgeHeight: 20,
-      badgeSize: "xs",
-      gap: 2,
-    },
-  ],
+  [0, defaultSizeConfig],
   [
     160,
     {
@@ -87,7 +86,7 @@ const sizeThresholds: [number, SizeConfig][] = [
 
 const getSizeConfig = (cellWidth: number, cellHeight: number): SizeConfig => {
   const basis = Math.min(cellWidth, cellHeight);
-  let config = sizeThresholds[0]![1];
+  let config = defaultSizeConfig;
   for (const [threshold, cfg] of sizeThresholds) {
     if (basis >= threshold) config = cfg;
   }
@@ -254,7 +253,7 @@ const metricRenderers = [
     key: "showBattery",
     render: (s: BeszelSystemRow, t: SystemCardProps["t"], sz: SizeConfig) => {
       const batteryIcons = [Battery, BatteryCharging] as const;
-      const Icon = batteryIcons[Math.min(1, s.battery?.[1] ?? 0)]!;
+      const Icon = batteryIcons[Math.min(1, s.battery?.[1] ?? 0)] ?? Battery;
       return (
         <MetricRow
           key="bat"

packages/widgets/src/beszel-system-stats/component.tsx

@@ -99,7 +99,7 @@ export default function BeszelSystemStatsWidget({
 
   const containerSeries = containerNames.map((name, i) => ({
     name,
-    color: containerColors[i % containerColors.length]!,
+    color: containerColors[i % containerColors.length] as string,
   }));
 
   const cols = width > 600 ? 2 : 1;

packages/widgets/src/beszel/_shared/chart.tsx

@@ -97,7 +97,8 @@ export const useDockerChartData = (
 ) =>
   useMemo(() => {
     if (!containerStats?.length) return [];
-    const extract = defaultContainerExtractors[metric]!;
+    const extract = defaultContainerExtractors[metric];
+    if (!extract) return [];
     return [...containerStats].toReversed().map((record) => {
       const point: Record<string, unknown> = { time: formatTime(record.created) };
       for (const name of containerNames) {

packages/widgets/src/beszel/_shared/format.ts

@@ -13,14 +13,14 @@ const formatScaled = (value: number, units: readonly string[], zeroLabel: string
   const i = Math.max(0, Math.min(Math.floor(Math.log(Math.abs(value)) / Math.log(1024)), units.length - 1));
   const scaled = value / 1024 ** i;
   const decimals = scaled < 10 ? 2 : 1;
-  return `${scaled.toFixed(decimals)} ${units[i]!}`;
+  return `${scaled.toFixed(decimals)} ${units[i] ?? ""}`;
 };
 
 const formatScaledCompact = (value: number, units: readonly string[], zeroLabel: string): string => {
   if (!value || !Number.isFinite(value)) return zeroLabel;
   const i = Math.max(0, Math.min(Math.floor(Math.log(Math.abs(value)) / Math.log(1024)), units.length - 1));
   const scaled = value / 1024 ** i;
-  return `${scaled < 10 ? scaled.toFixed(1) : Math.round(scaled)}${units[i]!}`;
+  return `${scaled < 10 ? scaled.toFixed(1) : Math.round(scaled)}${units[i] ?? ""}`;
 };
 
 export const formatByteRate = (value: number): string => formatScaled(value, rateUnits, "0 B/s");