fix: mic permission check, Fn keycode filter, longer clipboard restore, error icon, TCC hint

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

Sources/SstCore/HotkeyMonitor.swift

@@ -56,6 +56,8 @@ public final class HotkeyMonitor {
         case .tapDisabledByTimeout, .tapDisabledByUserInput:
             if let tap { CGEvent.tapEnable(tap: tap, enable: true) }
         case .flagsChanged:
+            // .maskSecondaryFn is also set while arrows/F-keys are held; only react to the Fn key itself.
+            guard event.getIntegerValueField(.keyboardEventKeycode) == 63 else { return }
             let fnDown = event.flags.contains(.maskSecondaryFn)
             if let hotkeyEvent = tracker.process(fnDown: fnDown) {
                 onEvent?(hotkeyEvent)

Sources/SstCore/TextInserter.swift

@@ -20,7 +20,7 @@ public struct TextInserter: TextInserting {
     public init(
         pasteboard: PasteboardProviding,
         paster: KeystrokePosting,
-        restoreDelay: Duration = .milliseconds(150)
+        restoreDelay: Duration = .milliseconds(400)
     ) {
         self.pasteboard = pasteboard
         self.paster = paster