fix: apply hotkey changes immediately, reset stuck window session, retry hotkey after permission grant

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Sources/Sst/AppModel.swift

@@ -160,12 +160,17 @@ final class AppModel: ObservableObject {
         hotkey.binding = hotkeyBinding
 
         settings.$hotkeyID
-            .sink { [weak self] _ in
+            .sink { [weak self] id in
                 guard let self else { return }
-                self.hotkey.binding = self.hotkeyBinding
+                self.hotkey.binding = HotkeyBinding.binding(id: id) ?? .fn
                 self.objectWillChange.send()
             }
             .store(in: &cancellables)
+        permissions.$inputMonitoring
+            .removeDuplicates()
+            .filter { $0 }
+            .sink { [weak self] _ in self?.retryHotkey() }
+            .store(in: &cancellables)
         settings.$useCorrection
             .sink { [corrector] in corrector.setEnabled($0) }
             .store(in: &cancellables)
@@ -228,7 +233,10 @@ final class AppModel: ObservableObject {
     func startWindowRecording() {
         guard recordingBlocker == nil, state == .idle else { return }
         policy.windowSession = true
-        Task { await controller.handle(.pressed) }
+        Task {
+            await controller.handle(.pressed)
+            if state != .recording { policy.windowSession = false }
+        }
     }
 
     func stopWindowRecording() {