Adds keychain support

kordophone2/PreferencesView.swift

@@ -5,6 +5,7 @@
 //  Created by James Magahern on 8/24/25.
 //
 
+import KeychainAccess
 import SwiftUI
 
 struct PreferencesView: View
@@ -56,6 +57,7 @@ struct AccountSettings: View
         var password: String
         
         private let xpc = XPCClient()
+        private let keychain = Keychain(service: "net.buzzert.kordophonecd")
         
         init(serverURL: String = "", username: String = "", password: String = "") {
             self.serverURL = serverURL
@@ -70,6 +72,7 @@ struct AccountSettings: View
                 let settings = try await xpc.getSettings()
                 self.serverURL = settings.serverUrl
                 self.username = settings.username
+                self.password = keychain[settings.username] ?? ""
             } catch {
                 print("Error getting settings: \(error)")
             }
@@ -93,6 +96,8 @@ struct AccountSettings: View
                                 username: username
                             ))
                         }
+                        
+                        keychain[username] = password
                     } catch {
                         print("Error saving settings: \(error)")
                     }