diff --git a/NucleicRemote/NucleicRemote/Models/RemoteStore.swift b/NucleicRemote/NucleicRemote/Models/RemoteStore.swift
index 62a16c2..350a7de 100644
--- a/NucleicRemote/NucleicRemote/Models/RemoteStore.swift
+++ b/NucleicRemote/NucleicRemote/Models/RemoteStore.swift
@@ -831,6 +831,12 @@ final class RemoteStore: ObservableObject {
 
     func open(_ sessionID: SessionID) {
         openSessionID = sessionID
+        // Hide the compact shell's floating tab bar the instant a session view opens — from *any*
+        // entry point (Sessions, Home, Projects, a notification tap), since every one funnels
+        // through here. Tied to the session view opening rather than the Sessions list being
+        // navigated away from, so the bar slides out even when the chat wasn't launched from that
+        // list. `SessionsView` still clears it early on back-swipe for a responsive re-show.
+        compactDetailPresented = true
         // Record which Mac owns this session (mesh P3) so its connection forwards the transcript and
         // the host-specific projected values follow it.
         openSessionHostID = connection(owningSession: sessionID)?.hostID