diff --git a/Sources/Bonsplit/Internal/Views/TabBarView.swift b/Sources/Bonsplit/Internal/Views/TabBarView.swift
index e14b6e96..4f2a5d38 100644
--- a/Sources/Bonsplit/Internal/Views/TabBarView.swift
+++ b/Sources/Bonsplit/Internal/Views/TabBarView.swift
@@ -249,6 +249,7 @@ struct TabBarView: View {
                 dlog("tab.close pane=\(pane.id.id.uuidString.prefix(5)) tab=\(tab.id.uuidString.prefix(5)) title=\"\(tab.title)\"")
 #endif
                 withTransaction(Transaction(animation: nil)) {
+                    controller.onTabCloseRequest?(TabID(id: tab.id), pane.id)
                     _ = controller.closeTab(TabID(id: tab.id), inPane: pane.id)
                 }
             },
diff --git a/Sources/Bonsplit/Internal/Views/TabItemView.swift b/Sources/Bonsplit/Internal/Views/TabItemView.swift
index bc23a339..60ebfb10 100644
--- a/Sources/Bonsplit/Internal/Views/TabItemView.swift
+++ b/Sources/Bonsplit/Internal/Views/TabItemView.swift
@@ -181,6 +181,9 @@ struct TabItemView: View {
             guard !tab.isPinned else { return }
             onClose()
         }))
+        .onTapGesture(count: 2) {
+            onZoomToggle()
+        }
         .onTapGesture {
             onSelect()
         }
diff --git a/Sources/Bonsplit/Public/BonsplitController.swift b/Sources/Bonsplit/Public/BonsplitController.swift
index a44f7688..653f19f4 100644
--- a/Sources/Bonsplit/Public/BonsplitController.swift
+++ b/Sources/Bonsplit/Public/BonsplitController.swift
@@ -51,6 +51,10 @@ public final class BonsplitController {
     /// Return `true` when the drop has been handled by the host application.
     @ObservationIgnored public var onExternalTabDrop: ((ExternalTabDropRequest) -> Bool)?
 
+    /// Called when the user explicitly requests to close a tab from the tab strip UI.
+    /// Internal host-driven closes should not use this hook.
+    @ObservationIgnored public var onTabCloseRequest: ((_ tabId: TabID, _ paneId: PaneID) -> Void)?
+
     // MARK: - Internal State
 
     internal var internalController: SplitViewController