Controller: layouts for the media timing review and duplicate card dialogs (#313)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

src/renderer/state.ts

@@ -67,6 +67,8 @@ export type RendererState = {
   youtubePickerStatus: string;
 
   mediaTimingReviewModalOpen: boolean;
+  /** True while a modal in the separate modal window owns the controller. */
+  controllerSuspendedByModalWindow: boolean;
 
   kikuModalOpen: boolean;
   kikuSelectedCard: 1 | 2;
@@ -207,6 +209,7 @@ export function createRendererState(): RendererState {
     youtubePickerStatus: '',
 
     mediaTimingReviewModalOpen: false,
+    controllerSuspendedByModalWindow: false,
 
     kikuModalOpen: false,
     kikuSelectedCard: 1,