fix(automation): media control only acts on a live wheel connection

A disconnected wheel reports 0 speed, which trips the pause threshold and
would stop your music the moment you walk off with the phone. Guard media
control on ConnectionState.CONNECTED, matching the wheel-lock automation.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GADLyChheAoMX9dQbRgRnH

Author: eried

app/src/main/java/com/eried/eucplanet/service/AutomationManager.kt

@@ -252,6 +252,13 @@ class AutomationManager @Inject constructor(
      * stopped.
      */
     private fun evaluateMediaControl(settings: AppSettings) {
+        // Only act on a live wheel connection. A disconnected wheel reports 0 speed,
+        // which would otherwise pause your music the moment you walk off with the phone.
+        if (wheelRepository.connectionState.value != ConnectionState.CONNECTED) {
+            mediaPauseCandidateSinceMs = 0L
+            mediaResumeCandidateSinceMs = 0L
+            return
+        }
         val mc = settings.mediaControl
         val speed = wheelRepository.wheelData.value.speed.absoluteValue
         val now = System.currentTimeMillis()