Kill all sessions on app quit

Encrypted Ink/Agent.swift

@@ -114,9 +114,13 @@ class Agent: NSObject {
         alert.addButton(withTitle: "OK")
         alert.addButton(withTitle: "Cancel")
         if alert.runModal() == .alertFirstButtonReturn {
+            statusBarItem = nil
+            WalletConnect.shared.killAllSessions()
+            DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(2)) {
                 NSApp.terminate(nil)
             }
         }
+    }
     
     func setupStatusBarItem() {
         let statusBar = NSStatusBar.system

Encrypted Ink/WalletConnect.swift

@@ -28,6 +28,12 @@ class WalletConnect {
         interactors.append(interactor)
     }
     
+    func killAllSessions() {
+        interactors.forEach {
+            $0.killSession().cauterize()
+        }
+    }
+    
     private func configure(interactor: WCInteractor, address: String) {
         let accounts = [address]
         let chainId = 1