# 017 PR 284 UI Follow-up Fixes

## Checklist

- [x] Review the current frontend route and component state related to PR 284 follow-up fixes.
- [x] Restore the intended H5 simple-layout route behavior for panel sharing.
- [x] Improve date text parsing to support separator-free and flexible formats without ambiguous fallbacks.
- [x] Add config-page back navigation with a safer history fallback and shared icon usage.
- [x] Run focused frontend verification for the updated files and record the result.

## Test Record

- Command: `cd vite-frontend && npm install`
- Result: passed.
- Command: `cd vite-frontend && npm run build`
- Result: passed.