Add iOS session bridge factory

apps/ios/TeleTuiIOS/Sources/TeleTuiIOSApp/TeleTuiIOSApp.swift

@@ -16,6 +16,9 @@ struct TeleTuiIOSApp: App {
             displayName: "Fake",
             databasePath: paths.databasePath(for: "fake")
         )
-        return SessionStore(account: account, bridge: FakeSessionBridge(auth: .ready))
+        return SessionStore(
+            account: account,
+            bridge: SessionBridgeFactory.makeDefaultBridge(account: account)
+        )
     }
 }

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

@@ -0,0 +1,18 @@
+import Foundation
+
+public enum SessionBridgeFactory {
+    public static func makeDefaultBridge(
+        account: Account,
+        useFakeTdlib: Bool = true
+    ) -> SessionBridge {
+        #if canImport(tele_ios_ffiFFI)
+        do {
+            return try UniFfiSessionBridge(account: account, useFakeTdlib: useFakeTdlib)
+        } catch {
+            return FakeSessionBridge(auth: .waitPhoneNumber)
+        }
+        #else
+        return FakeSessionBridge(auth: .ready)
+        #endif
+    }
+}

apps/ios/TeleTuiIOS/Sources/TeleTuiIOSSmokeTests/main.swift

@@ -8,6 +8,7 @@ struct TeleTuiIOSSmokeTests {
         try await chatListLoadsDeterministicFakeDataAndFilters()
         try await chatDetailLoadsAndSendsMessage()
         try await messageActionsCoverEditReplyForwardReactDeleteSearchAndCopy()
+        try await sessionBridgeFactoryUsesAvailableDefaultBridge()
         try await platformServicesCoverNotificationsMediaVoiceClipboardAndAccounts()
         lifecycleCoordinatorDropsStaleAccountEvents()
         try await profileLoadsFromSelectedChat()
@@ -127,6 +128,14 @@ struct TeleTuiIOSSmokeTests {
         precondition(!viewModel.messages.contains { $0.id == 1 })
     }
 
+    @MainActor
+    private static func sessionBridgeFactoryUsesAvailableDefaultBridge() async throws {
+        let account = Account(id: "factory", displayName: "Factory", databasePath: URL(fileURLWithPath: "/tmp/factory"))
+        let bridge = SessionBridgeFactory.makeDefaultBridge(account: account)
+        let auth = try await bridge.authState()
+        precondition(auth == .ready)
+    }
+
     @MainActor
     private static func platformServicesCoverNotificationsMediaVoiceClipboardAndAccounts() async throws {
         let root = URL(fileURLWithPath: "/tmp/TeleTuiIOS")