diff --git a/NucleicRemote/NucleicRemote/Models/RemoteStore.swift b/NucleicRemote/NucleicRemote/Models/RemoteStore.swift
index d5cfadc..eada7ca 100644
--- a/NucleicRemote/NucleicRemote/Models/RemoteStore.swift
+++ b/NucleicRemote/NucleicRemote/Models/RemoteStore.swift
@@ -66,6 +66,13 @@ final class RemoteStore: ObservableObject {
     private var openSessionHostID: String?
     @Published private(set) var openEvents: [AgentEvent] = []
     @Published private(set) var openApprovals: [ApprovalRequest] = []
+    /// Whether the compact (iPhone) Sessions tab currently has a session detail pushed. Distinct
+    /// from `openSessionID`, which is the *data* subscription and is only torn down on the detail's
+    /// `onDisappear` — and SwiftUI fires that at the *end* of the pop transition, so keying the
+    /// floating tab bar's visibility off it left the bar sliding back up 1–2s after a back-swipe.
+    /// `SessionsView` sets this straight from its navigation path, which flips the instant the pop
+    /// begins, so the bar reflows immediately while the transcript state survives the animation.
+    @Published var compactDetailPresented = false
     /// The open session's full diff (the Mac Diff tab's patch), fetched on demand when the
     /// user opens the Diff tab and the host advertises `canFetchDiff`. Nil until it arrives.
     @Published private(set) var openDiff: WireSessionDiff?