instant992 42a780f702 Disable helper-bot data channel, harden WebApp null-check, update branding ...

- Extra.getHelperBot() returns null on empty username (closes data channel)
- WebAppHelper: guard against null helper bot to prevent NPE
- Disable anti-repackaging signature check for rebranded fork
- Update launcher icons and branding assets

2026-06-09 02:33:57 +04:00

20 KiB

108x108px

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