test: expand overlay coverage

apps/macos/Sources/Clawdis/VoiceWakeOverlay.swift

@@ -855,3 +855,51 @@ private final class TranscriptNSTextView: NSTextView {
         super.keyDown(with: event)
     }
 }
+
+#if DEBUG
+@MainActor
+extension VoiceWakeOverlayController {
+    static func exerciseForTesting() async {
+        let controller = VoiceWakeOverlayController(enableUI: false)
+        let token = controller.startSession(
+            source: .wakeWord,
+            transcript: "Hello",
+            attributed: nil,
+            forwardEnabled: true,
+            isFinal: false)
+
+        controller.updatePartial(token: token, transcript: "Hello world")
+        controller.presentFinal(token: token, transcript: "Final", autoSendAfter: nil)
+        controller.userBeganEditing()
+        controller.endEditing()
+        controller.updateText("Edited text")
+
+        _ = controller.makeAttributed(from: "Attributed")
+        _ = controller.targetFrame()
+        _ = controller.measuredHeight()
+        _ = controller.dismissTargetFrame(
+            for: NSRect(x: 0, y: 0, width: 120, height: 60),
+            reason: .empty,
+            outcome: .empty)
+        _ = controller.dismissTargetFrame(
+            for: NSRect(x: 0, y: 0, width: 120, height: 60),
+            reason: .explicit,
+            outcome: .sent)
+        _ = controller.dismissTargetFrame(
+            for: NSRect(x: 0, y: 0, width: 120, height: 60),
+            reason: .explicit,
+            outcome: .empty)
+
+        controller.beginSendUI(token: token, sendChime: .none)
+        try? await Task.sleep(nanoseconds: 350_000_000)
+
+        controller.scheduleAutoSend(token: token, after: 10)
+        controller.autoSendTask?.cancel()
+        controller.autoSendTask = nil
+        controller.autoSendToken = nil
+
+        controller.dismiss(token: token, reason: .explicit, outcome: .sent)
+        controller.bringToFrontIfVisible()
+    }
+}
+#endif