fix(tor): add TorStatusIndicator to SinglePaneLayout sidebar

Shield icon was only in DeckSidebar (deck mode) but missing from
SinglePaneLayout's NavigationRail. Added between RelayHealthIndicator
and BunkerHeartbeatIndicator. Clicking navigates to Settings.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/deck/SinglePaneLayout.kt

@@ -68,6 +68,8 @@ import com.vitorpamplona.amethyst.desktop.subscriptions.DesktopRelaySubscription
 import com.vitorpamplona.amethyst.desktop.ui.ZapFeedback
 import com.vitorpamplona.amethyst.desktop.ui.components.RelayHealthIndicator
 import com.vitorpamplona.amethyst.desktop.ui.media.LocalIsImmersiveFullscreen
+import com.vitorpamplona.amethyst.desktop.ui.tor.LocalTorState
+import com.vitorpamplona.amethyst.desktop.ui.tor.TorStatusIndicator
 import com.vitorpamplona.quartz.nip47WalletConnect.Nip47WalletConnect.Nip47URINorm
 import kotlinx.coroutines.CoroutineScope
 
@@ -158,6 +160,17 @@ fun SinglePaneLayout(
                     modifier = Modifier.padding(bottom = 4.dp),
                 )
 
+                // Tor status indicator
+                val torState = LocalTorState.current
+                TorStatusIndicator(
+                    status = torState.status,
+                    onClick = {
+                        currentColumnType = DeckColumnType.Settings
+                        navState.clear()
+                    },
+                    modifier = Modifier.padding(bottom = 4.dp),
+                )
+
                 BunkerHeartbeatIndicator(
                     signerConnectionState = signerConnectionState,
                     lastPingTimeSec = lastPingTimeSec,