diff --git a/app/src/main/java/com/m57/hermescontrol/data/ws/WsTransport.kt b/app/src/main/java/com/m57/hermescontrol/data/ws/WsTransport.kt
index b425ca4d..3ce464e5 100644
--- a/app/src/main/java/com/m57/hermescontrol/data/ws/WsTransport.kt
+++ b/app/src/main/java/com/m57/hermescontrol/data/ws/WsTransport.kt
@@ -730,6 +730,8 @@ internal class WsTransport(
                 // Do NOT log [reason] — it may carry server-side context. The
                 // reason is still inspected internally to detect auth failures.
                 Log.i(TAG, "WebSocket closed: $code")
+                com.m57.hermescontrol.data.aiturk.AiturkRelayStatus
+                    .onSocketEnded(null)
                 connected.set(false)
                 ActiveSessionHolder.clear()
                 connectionHealth.stop()
@@ -764,6 +766,10 @@ internal class WsTransport(
                 connectionHealth.stop()
                 rpcChannel.clearCapabilityRequests()
                 val code = response?.code ?: 0
+                // AITURK: lets the chat banner say "AITURK IDE is not open on the
+                // computer" when the tunnel reports that no host is attached.
+                com.m57.hermescontrol.data.aiturk.AiturkRelayStatus
+                    .onSocketEnded(t)
                 if (code == 401 || code == 4401 || code == 4403 ||
                     t.message?.contains("401") == true ||
                     t.message?.contains("4401") == true ||
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/chat/components/ChatConnectionBanner.kt b/app/src/main/java/com/m57/hermescontrol/ui/chat/components/ChatConnectionBanner.kt
index c6cf431f..77e6e646 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/chat/components/ChatConnectionBanner.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/chat/components/ChatConnectionBanner.kt
@@ -17,6 +17,8 @@ import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -70,13 +72,20 @@ fun ChatConnectionBanner(
                             color = LocalHermesStatusColors.current.error,
                         )
                     }
+                    // AITURK: over the relay, say why the reconnect keeps failing.
+                    val aiturkHostOffline by com.m57.hermescontrol.data.aiturk.AiturkRelayStatus.hostOffline
+                        .collectAsState()
+                    val hostOffline = aiturkHostOffline && connectionStatus == ConnectionStatus.RECONNECTING
                     Text(
                         modifier = Modifier.weight(1f, fill = false),
-                        maxLines = 1,
+                        maxLines = if (hostOffline) 3 else 1,
                         overflow = TextOverflow.Ellipsis,
                         text =
                             when (connectionStatus) {
-                                ConnectionStatus.RECONNECTING -> stringResource(R.string.chat_status_reconnecting)
+                                ConnectionStatus.RECONNECTING ->
+                                    stringResource(
+                                        if (hostOffline) R.string.aiturk_status_host_offline else R.string.chat_status_reconnecting,
+                                    )
                                 ConnectionStatus.DISCONNECTED -> stringResource(R.string.chat_status_disconnected)
                                 ConnectionStatus.NO_NETWORK -> stringResource(R.string.chat_status_no_network)
                                 ConnectionStatus.AUTH_EXPIRED -> stringResource(R.string.chat_status_auth_expired)