Absorb v1.3.0 - Android Auto

New

• Android Auto support

• Browse library from head unit with 4 tabs: Continue, Recent, Library, Downloads

• Library tab with Books, Series, and Authors sub-navigation

• Book grid with cover art and A-Z jump navigation

• Search from the head unit

• Multi-library support (podcast libraries hidden)

• Full pagination for large libraries

• On-demand book fetching for Series/Author drilldowns

• Resume playback from any browse path

New Files

• lib/services/android\_auto\_service.dart

• android/app/src/main/res/xml/automotive\_app\_desc.xml

Modified Files

• lib/services/audio\_player\_service.dart

• lib/services/api\_service.dart

• lib/main.dart

• lib/screens/app\_shell.dart