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* feat(dashboard): surface metrics-paused indicator after sustained poll failure useDashboardData previously failed silently when /stats or /system/stats returned an error: stale data kept rendering and the last sync timestamp quietly drifted. The operator could not tell whether the dashboard was just slow or whether the Docker socket / metrics path had genuinely gone down. Track consecutive failures per live-metrics endpoint. After three in a row on either /stats or /system/stats (≈15 s at the 5 s poll cadence), expose a metricsStale boolean on the hook result. HealthStatusBar renders a small amber "metrics paused" chip beside the meta line when set. The indicator clears on the first successful response when both endpoints are within the threshold. A unit test for the threshold logic is intentionally deferred to the Phase 4 E2E dashboard spec, which exercises the same path end-to-end by stopping the Docker daemon and asserting the user-visible indicator. * fix(dashboard): rename stale-metrics chip and cover the threshold with tests Address two follow-up findings from independent review of the earlier commit on this branch. 1. Rename the masthead chip from "metrics paused" to "metrics stale". The hook keeps polling on every cycle; the chip describes the freshness of the displayed numbers, not the polling cadence. The new wording matches the underlying `metricsStale` state variable. 2. Add a Vitest spec for the threshold logic. Captures the visibilityInterval callback at registration time and drives each polling cycle on demand, covering: three consecutive /stats failures trip the indicator and the next successful poll clears it; three consecutive /system/stats failures trip the indicator on the other endpoint; clearing requires both endpoints under threshold (a single endpoint recovering while the other is still failing keeps the indicator set). The clarifying comment in useDashboardData notes that polling is unaffected and only the data freshness is in scope, so future readers do not interpret "stale" as "paused".
React + TypeScript + Vite
This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
Currently, two official plugins are available:
- @vitejs/plugin-react uses Babel (or oxc when used in rolldown-vite) for Fast Refresh
- @vitejs/plugin-react-swc uses SWC for Fast Refresh
React Compiler
The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see this documentation.
Expanding the ESLint configuration
If you are developing a production application, we recommend updating the configuration to enable type-aware lint rules:
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Remove tseslint.configs.recommended and replace with this
tseslint.configs.recommendedTypeChecked,
// Alternatively, use this for stricter rules
tseslint.configs.strictTypeChecked,
// Optionally, add this for stylistic rules
tseslint.configs.stylisticTypeChecked,
// Other configs...
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
You can also install eslint-plugin-react-x and eslint-plugin-react-dom for React-specific lint rules:
// eslint.config.js
import reactX from 'eslint-plugin-react-x'
import reactDom from 'eslint-plugin-react-dom'
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Enable lint rules for React
reactX.configs['recommended-typescript'],
// Enable lint rules for React DOM
reactDom.configs.recommended,
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])