Redesign mobile time clock, add shortcuts, and improve account management.

Add iOS Shortcuts/Siri intents, local send-reminder notifications, stable
client picker with last-client defaults, account refresh/remove, and softer
session handling on unauthorized API responses.

Co-authored-by: Cursor <cursoragent@cursor.com>

plugins/app-intents/OpenTimerIntent.swift

@@ -0,0 +1,21 @@
+import AppIntents
+import UIKit
+
+@available(iOS 16.0, *)
+struct OpenTimerIntent: AppIntent {
+    static var title: LocalizedStringResource = "Open Time Clock"
+    static var description = IntentDescription("Open the beenvoice time clock.")
+    static var openAppWhenRun: Bool = false
+
+    func perform() async throws -> some IntentResult {
+        guard let url = URL(string: "beenvoice://timer") else {
+            return .result()
+        }
+
+        await MainActor.run {
+            UIApplication.shared.open(url)
+        }
+
+        return .result()
+    }
+}