Merge origin/main into apk-store-fixes, preserving store and headset features

Keep the union of server routes, desktop resources and responsive controls. Preserve OpenXR install defaults and telemetry hooks alongside library artwork. Adapt the resource test to single-file entries and avoid a completed-refresh race in the F-Droid test.

Co-Authored-By: GPT-6 Astra <noreply@openai.com>

docs/apks.md

@@ -5,6 +5,12 @@ in **Lepton**, Valve's Waydroid-based container. Lepton is built for games,
 not general Android use
 ([GamingOnLinux](https://www.gamingonlinux.com/2026/09/lepton-from-valve-to-run-android-games-on-linux-is-now-open-source/)).
 
+**VR streaming clients:** WiVRn 26.9 and ALVR 20.14.1 install, but both fail
+OpenXR instance creation on the checked Frame because its Android runtime lacks
+`XR_KHR_convert_timespec_time` (**verified** 2026-09-28, SteamOS 0.4.1,
+BUILD_ID 20260925.6191901). They are not Frame Control dependencies. See
+[the feasibility results and options](linux-vr-streaming.md).
+
 ## Install from the Mac: one app, one Lepton instance (verified 2026-09-25)
 
 Use Frame Control's **Android apps** section (search, Install, Test, Report), drop