feat: authorize iOS Hermes accounts and secure session isolation

Sources/Features/Settings/ConnectionTestView.swift

@@ -2,6 +2,7 @@ import SwiftUI
 
 struct ConnectionTestView: View {
     @ObservedObject var settings: SettingsStore
+    var bearerToken: String = ""
     @State private var isBusy = false
     @State private var result: Result<TokenResponse, Error>?
     @State private var urlError: String?
@@ -67,7 +68,7 @@ struct ConnectionTestView: View {
         case .success(let config):
             isBusy = true
             Task {
-                let client = TokenClient(config: config)
+                let client = TokenClient(config: config, bearerToken: bearerToken)
                 do {
                     let response = try await client.fetchToken()
                     result = .success(response)