Android emulated storage rejects hard-link commit even when canWrite()
reports success. Fall back to exclusive rename for publish, probe real
writes during folder validation, and label the default app downloads dir
clearly so it is not confused with shared system Downloads.
Tighten cold-open and in-app invitation handling so ticket acquisition is
stricter and less racey across hosts, and expand automated coverage for the
receive history and acquisition flow before merge.
Refactored SettingsScreen to display device information and allow user to choose between System, Light, and Dark themes. Updated AppUiState to remove unused diagnostics visibility flag.
Co-authored-by: Junie <junie@jetbrains.com>
This adds DeviceInfo to the Platform interface and implements it for Android, iOS, and JVM, including battery level and active network summary where available.
Co-authored-by: Junie <junie@jetbrains.com>
