Use fixed height horizontal waterfall cards

Ariver

2026-06-12 0754f2706a79128e87b65867e1d33096d53687fa

 C1.source/Sources/Aligner/QuickSwitchSessionController.swift

@@ -86,6 +86,7 @@
    private var lifecycleResidualOverlayWindows = 0
    private var lifecycleResidualVisibleOverlayWindows = 0
    var onSnapshotUpdated: (() -> Void)?
    var onOpenSettings: (() -> Void)?

    private struct PendingCloseVerification {
        let request: QuickSwitchCloseRequest
@@ -212,6 +213,9 @@
        view.onBackgroundClick = { [weak self] in
            self?.handleBackgroundClick() ?? false
        }
        view.onOpenSettings = { [weak self] in
            self?.onOpenSettings?()
        }
        view.setSuppressEventInput(!debugMouseSequence.isEmpty || !debugKeySequence.isEmpty)
        view.onRequestClose = { [weak self] request in
            self?.requestClose(request)