Linthra 0.1.7 — Android audio stability.

A stability release focused on background playback and recovery.

Fixed:
- Linthra could get stuck silent after another app took audio focus.
- It now recovers on its own after notification sounds, short audio
  interruptions, voice/microphone use, and screen lock — no need to
  reopen the app to restore sound.

Improved:
- Android Auto reliability after the audio/background fixes.
- Background playback behaves more like a normal Android music player.

Notes:
- The playback service may stay alive a little longer while paused so it
  can recover in the background; this uses slightly more battery only if
  left paused for a long time.
- Support links were hardened and remain fully optional — donating does
  not unlock features.

No ads, no tracking, no analytics, no telemetry.
