Audiobooks 0.7.1 — platform relay: wheel/camera/haptics from LightOS, volume stays in-app

Platform relay inside the tool

Audiobooks now relays the hardware keys it doesn't consume to LightOS (the platform SDK server), so the platform's own handlers work inside the tool:

• Scroll wheel → brightness (rotary 317/318 → LightOS)
• Camera button → camera/flashlight
• Taps vibrate per the real haptics setting (haptics read from LightOS via GetUserPreferences)

Volume rocker stays in-app

The volume rocker still controls the media stream with the in-app volume panel replica. LightOS's native volume panel is ringer-only for third-party tools, so relaying volume keys would leave playback volume uncontrollable (LP3-verified 2026-08-20). Design doc: PLATFORM-RELAY.md.

• R8 release APK ≈ 8.8 MB
• Version 0.7.1 (versionCode 22) — installs over 0.7.0 (same signature)

sha256: 0e2c26b1f58ed71d0db6f586a08353727943328c70946a31f08fcd960be8bdff