feat(notifications): optional alert when any session completes (#1401)

Co-authored-by: M57 <41645758+Hy4ri@users.noreply.github.com>

app/src/main/java/com/m57/hermescontrol/data/config/ServerStoreState.kt

@@ -32,6 +32,9 @@ data class ServerStoreState(
     val showTokensPerSecond: Boolean = true,
     val showModelProvider: Boolean = false,
     val keepConnectedInBackground: Boolean = false,
+    // Notify when ANY session finishes while the app is backgrounded. Needs a
+    // live background connection, so it implies the keep-connected lease.
+    val notifySessionCompletions: Boolean = false,
     // Opt-in update channel: when true the in-app update check also considers
     // pre-release release-candidate GitHub releases, not just stable ones.
     val checkReleaseCandidateUpdates: Boolean = false,

app/src/main/java/com/m57/hermescontrol/data/local/AuthManager.kt

@@ -871,6 +871,12 @@ object AuthManager {
         serverStore.update { it.copy(keepConnectedInBackground = enabled) }
     }
 
+    fun isNotifySessionCompletions(): Boolean = serverStore.getLatestState().notifySessionCompletions
+
+    fun setNotifySessionCompletions(enabled: Boolean) {
+        serverStore.update { it.copy(notifySessionCompletions = enabled) }
+    }
+
     // ── Chat Font Scale (issue #1004) ───────────────────────────────────
 
     fun getChatFontScale(): Float = serverStore.getLatestState().chatFontScale

app/src/main/java/com/m57/hermescontrol/data/model/SessionLiveStatus.kt

@@ -30,6 +30,7 @@ data class ActiveSessionItem(
     val status: String? = null,
     @SerialName("last_active")
     val lastActive: Double? = null,
+    val title: String? = null,
 )
 
 /**