messere1 opened a new pull request, #1693:
URL: https://github.com/apache/rocketmq-dashboard/pull/1693

   ## Summary
   - subscribe to system theme changes through MediaQueryList event listeners 
when available
   - fall back to legacy addListener/removeListener in older Safari and 
embedded WebViews
   - clean up through the same API used for subscription
   - cover legacy rendering, theme updates, and listener removal
   
   ## Root cause and impact
   ThemeProvider checked that `matchMedia` existed but assumed its result 
implemented EventTarget. Legacy MediaQueryList implementations expose only 
addListener/removeListener, causing the provider effect to throw when the 
application follows the system theme. Feature detection keeps modern behavior 
and restores compatibility.
   
   Closes #1690
   
   ## Validation
   - npm test -- --run src/theme/__tests__/ThemeContext.test.tsx (9 passed)
   - npx eslint src/theme/ThemeProvider.tsx 
src/theme/__tests__/ThemeContext.test.tsx
   - npm run build
   - git diff --check


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