Add fully manual VPN mode

app/Sources/LemanaVPN/VPNManager.swift

@@ -122,11 +122,13 @@ enum VPNState: Equatable {
 enum VPNLaunchMode: String {
     case auto
     case manual
+    case manualFull
 
     var cliArgument: String {
         switch self {
         case .auto: return "--auto"
         case .manual: return "--manual"
+        case .manualFull: return "--manual-full"
         }
     }
 }
@@ -459,7 +461,7 @@ class VPNManager: ObservableObject {
             state = .disconnected
             userInitiatedDisconnect = false
             autoReconnectAttempts = 0
-        } else if currentLaunchMode == .manual {
+        } else if currentLaunchMode != .auto {
             log("Manual connection ended; auto-reconnect is disabled for manual mode")
             state = .disconnected
             autoReconnectAttempts = 0