2026.9.0b7

Use iter_chunked for STT audio stream to prevent LineTooLong (@GiacomoSaccaggi - #180831)
Bump brother to 6.1.2 (@bieniu - #180998)
Drop the DC claim from the Fronius MPPT energy sensor (@farmio - #181016)
Fix AdGuard Home device identifiers (@frenck - #181027)
Add SmartThings dry comfort AC preset mode (@frenck - #181029)
Fix offline devices being removed in Xbox integration (@tr4nt0r - #181045)
Bump ZHA to 2.2.1 (@TheJulianJES - #181051)
Update frontend to 20260826.3 (@bramkragten - #181067)