Expose network state to iOS bridge

apps/ios/TeleTuiIOS/Sources/TeleTuiIOSCore/Bridge.swift

@@ -2,6 +2,7 @@ import Foundation
 
 public protocol SessionBridge: Sendable {
     func authState() async throws -> AuthState
+    func networkState() async throws -> NetworkState
     func pollEvents() async throws -> [SessionEvent]
     func sendPhoneNumber(_ phone: String) async throws
     func sendCode(_ code: String) async throws
@@ -66,6 +67,10 @@ public actor FakeSessionBridge: SessionBridge {
         auth
     }
 
+    public func networkState() async throws -> NetworkState {
+        .ready
+    }
+
     public func pollEvents() async throws -> [SessionEvent] {
         let drained = events
         events.removeAll()

apps/ios/TeleTuiIOS/Sources/TeleTuiIOSCore/UniFfiSessionBridge.swift

@@ -26,6 +26,10 @@ public actor UniFfiSessionBridge: SessionBridge {
         Self.mapAuthState(handle.authState())
     }
 
+    public func networkState() async throws -> NetworkState {
+        Self.mapNetworkState(handle.networkState())
+    }
+
     public func pollEvents() async throws -> [SessionEvent] {
         handle.pollEvents().map(Self.mapEvent)
     }

apps/ios/TeleTuiIOS/Sources/TeleTuiIOSCore/ViewModels.swift

@@ -24,10 +24,24 @@ public final class SessionStore: ObservableObject {
         }
     }
 
+    public func refreshNetworkState() async {
+        do {
+            networkState = try await bridge.networkState()
+            errorMessage = nil
+        } catch {
+            errorMessage = error.localizedDescription
+        }
+    }
+
     public func apply(events: [SessionEvent]) {
         for event in events {
-            if case let .authChanged(state) = event {
+            switch event {
+            case let .authChanged(state):
                 authState = state
+            case let .networkChanged(state):
+                networkState = state
+            default:
+                break
             }
         }
     }