test(ios): cover RootCanvas bridge states

apps/ios/Tests/SwiftUIRenderSmokeTests.swift

@@ -67,4 +67,28 @@ import UIKit
         let root = VoiceWakeToast(command: "clawdis: do something")
         _ = Self.host(root)
     }
+
+    @Test @MainActor func rootCanvasBuildsAViewHierarchyAcrossBridgeStates() {
+        let appModel = NodeAppModel()
+        let bridgeController = BridgeConnectionController(appModel: appModel, startDiscovery: false)
+
+        let hostCanvas = {
+            _ = Self.host(
+                RootCanvas()
+                    .environment(appModel)
+                    .environment(appModel.voiceWake)
+                    .environment(bridgeController))
+        }
+
+        hostCanvas()
+
+        appModel.bridgeStatusText = "Connecting…"
+        hostCanvas()
+
+        appModel.bridgeStatusText = "Error: disconnected"
+        hostCanvas()
+
+        appModel.bridgeServerName = "Mock Bridge"
+        hostCanvas()
+    }
 }