feat: ship host metrics as a first-party in-process plugin

src/ui/tests/plugins/host-metrics/HostMetricsTab.test.tsx

@@ -56,7 +56,7 @@ vi.mock("@/hooks/use-confirmation.ts", () => ({
 }));
 
 vi.mock(
-  "../../../features/host-metrics/hooks/useHostMetricsPreferences.ts",
+  "../../../../../plugins/host-metrics/frontend/hooks/useHostMetricsPreferences.ts",
   () => ({
     useHostMetricsPreferences: () => ({
       layout: {
@@ -69,7 +69,7 @@ vi.mock(
   }),
 );
 
-import { HostMetricsTab } from "../../../features/host-metrics/HostMetricsTab";
+import { HostMetricsTab } from "../../../../../plugins/host-metrics/frontend/HostMetricsTab";
 
 beforeAll(() => {
   globalThis.ResizeObserver ??= class {

src/ui/tests/plugins/host-metrics/cards/GpuCard.test.tsx

@@ -8,7 +8,7 @@ vi.mock("react-i18next", () => ({
   useTranslation: () => ({ t: (key: string) => key }),
 }));
 
-import { GpuCard } from "../../../features/host-metrics/cards/GpuCard";
+import { GpuCard } from "../../../../../../plugins/host-metrics/frontend/cards/GpuCard";
 
 const GPU_METRICS: GpuMetrics = {
   source: "nvidia-smi",

src/ui/tests/plugins/host-metrics/cards/gpu-history.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from "vitest";
 import type { GpuDevice } from "@/types/stats-widgets";
-import { appendGpuHistories } from "../../../features/host-metrics/cards/gpu-history";
+import { appendGpuHistories } from "../../../../../../plugins/host-metrics/frontend/cards/gpu-history";
 
 function gpu(
   index: number,

src/ui/tests/plugins/host-metrics/metrics-change-key.test.ts

@@ -1,7 +1,7 @@
 import { describe, expect, it } from "vitest";
 import type { ServerMetrics } from "@/main-axios";
 import type { GpuMetrics } from "@/types/stats-widgets";
-import { metricsChangeKey } from "../../../features/host-metrics/metrics-change-key";
+import { metricsChangeKey } from "../../../../../plugins/host-metrics/frontend/metrics-change-key";
 
 function poll(gpu: GpuMetrics): ServerMetrics {
   return {

src/ui/tests/plugins/host-metrics/temperature-preference.test.ts

@@ -2,7 +2,7 @@ import { describe, expect, it } from "vitest";
 import {
   selectTemperatureSensor,
   temperaturePreferenceKey,
-} from "../../../features/host-metrics/temperature-preference";
+} from "../../../../../plugins/host-metrics/frontend/temperature-preference";
 
 const sensors = [
   { label: "k10temp: Tctl", celsius: 55 },