科林 KELIN fab173bd60 chore: replace README banner image and standardize filename (#113) ...

- Replace old banner (banner-ui-dashboard-20260322.png) with new design
- Rename banner file to banner.png for cleaner naming
- Update banner reference in all README variants (en, zh, zh-TW, ja)

2026-04-07 14:15:39 +08:00

838 KiB

1920x1080px

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