diff --git a/EmoTracker.Data/ApplicationSettings.cs b/EmoTracker.Data/ApplicationSettings.cs
index c3bf92f..6c2ad13 100644
--- a/EmoTracker.Data/ApplicationSettings.cs
+++ b/EmoTracker.Data/ApplicationSettings.cs
@@ -97,6 +97,39 @@ internal void SeedIntoSession(Sessions.SessionSettings target)
             target.PinLocationsOnItemCapture = mbSeedPinLocationsOnItemCapture;
         }
 
+        /// <summary>
+        /// Companion to <see cref="SeedIntoSession"/>, called by
+        /// <see cref="Sessions.SessionSettings"/>'s OnChanged hooks when a
+        /// forwarded setting is written directly on a state (menu bindings,
+        /// dev terminal, MCP tools, Lua). If the source is the active
+        /// state's settings, updates the persisted seed — unless the write
+        /// came from pack-load (init.lua), per
+        /// <see cref="Sessions.PackageLoader.IsLoading"/> — and raises
+        /// PropertyChanged so XAML bound to this singleton's forwarder
+        /// properties updates even though the write bypassed the forwarder
+        /// setter. Writes on non-active states (forks mid-pipeline,
+        /// definitional states) are ignored.
+        /// </summary>
+        internal void SyncSeedsFromSession(Sessions.SessionSettings source, string propertyName)
+        {
+            if (source == null || !ReferenceEquals(source, ActiveSessionSettings))
+                return;
+
+            if (!Sessions.PackageLoader.IsLoading)
+            {
+                switch (propertyName)
+                {
+                    case nameof(IgnoreAllLogic): mbSeedIgnoreAllLogic = source.IgnoreAllLogic; break;
+                    case nameof(DisplayAllLocations): mbSeedDisplayAllLocations = source.DisplayAllLocations; break;
+                    case nameof(AlwaysAllowClearing): mbSeedAlwaysAllowClearing = source.AlwaysAllowClearing; break;
+                    case nameof(AutoUnpinLocationsOnClear): mbSeedAutoUnpinLocationsOnClear = source.AutoUnpinLocationsOnClear; break;
+                    case nameof(PinLocationsOnItemCapture): mbSeedPinLocationsOnItemCapture = source.PinLocationsOnItemCapture; break;
+                }
+            }
+
+            NotifyPropertyChanged(propertyName);
+        }
+
         public bool IgnoreAllLogic
         {
             get
diff --git a/EmoTracker.Data/Sessions/SessionSettings.cs b/EmoTracker.Data/Sessions/SessionSettings.cs
index 72b648e..32fd268 100644
--- a/EmoTracker.Data/Sessions/SessionSettings.cs
+++ b/EmoTracker.Data/Sessions/SessionSettings.cs
@@ -54,21 +54,27 @@ public partial class SessionSettings : TransactableModelTypeBase
         public partial bool IgnoreAllLogic { get; set; }
 
         [KVMutable]
+        [OnChanged(nameof(OnDisplayAllLocationsChanged))]
         public partial bool DisplayAllLocations { get; set; }
 
         [KVMutable]
+        [OnChanged(nameof(OnAlwaysAllowClearingChanged))]
         public partial bool AlwaysAllowClearing { get; set; }
 
         [KVMutable]
+        [OnChanged(nameof(OnAutoUnpinLocationsOnClearChanged))]
         public partial bool AutoUnpinLocationsOnClear { get; set; }
 
         [KVMutable]
+        [OnChanged(nameof(OnPinLocationsOnItemCaptureChanged))]
         public partial bool PinLocationsOnItemCapture { get; set; }
 
         [KVMutable]
+        [OnChanged(nameof(OnMapEnabledChanged))]
         public partial bool MapEnabled { get; set; }
 
         [KVMutable]
+        [OnChanged(nameof(OnSwapLeftRightChanged))]
         public partial bool SwapLeftRight { get; set; }
 
         // ----------- Construction ---------------------------------------------
@@ -103,6 +109,22 @@ public SessionSettings()
 
         // ----------- OnChanged hooks ------------------------------------------
 
+        /// <summary>
+        /// Set by <see cref="TrackerState.Fork"/> around its settings
+        /// bulk-copy so propagating values into a fork doesn't fire
+        /// side-effectful OnChanged hooks (e.g. a pack reload) against the
+        /// half-built fork state.
+        /// </summary>
+        internal bool SuppressOnChangedHooks;
+
+        protected void OnSwapLeftRightChanged() => ReloadOwnerState();
+        protected void OnMapEnabledChanged() => ReloadOwnerState();
+
+        protected void OnDisplayAllLocationsChanged() => SyncForwarder(nameof(DisplayAllLocations));
+        protected void OnAlwaysAllowClearingChanged() => SyncForwarder(nameof(AlwaysAllowClearing));
+        protected void OnAutoUnpinLocationsOnClearChanged() => SyncForwarder(nameof(AutoUnpinLocationsOnClear));
+        protected void OnPinLocationsOnItemCaptureChanged() => SyncForwarder(nameof(PinLocationsOnItemCapture));
+
         protected void OnIgnoreAllLogicChanged()
         {
             // Drive a refresh on the owning state's LocationDatabase so the
@@ -111,6 +133,42 @@ protected void OnIgnoreAllLogicChanged()
             // ApplicationSettings.IgnoreAllLogic's setter.
             var state = OwnerState as TrackerState;
             state?.Locations.RefreshAccessibility();
+            SyncForwarder(nameof(IgnoreAllLogic));
+        }
+
+        /// <summary>
+        /// SwapLeftRight and MapEnabled are consumed at pack parse time
+        /// (<c>LayoutItem.TryParse</c> mirrors dock/margin definition
+        /// values; <c>MapPanel.TryParseInternal</c> bails when the map is
+        /// disabled), so a new value only takes effect after re-parsing
+        /// the pack — the legacy <c>Tracker</c> setters called
+        /// <c>Reload()</c> for the same reason. No pack loaded means
+        /// nothing to re-parse, so skip rather than pointlessly resetting
+        /// empty catalogs.
+        /// </summary>
+        void ReloadOwnerState()
+        {
+            if (SuppressOnChangedHooks) return;
+            var state = OwnerState as TrackerState;
+            if (state?.PackageInstance?.GamePackage == null) return;
+            state.Reload();
+        }
+
+        /// <summary>
+        /// <see cref="ApplicationSettings"/> keeps forwarder properties
+        /// (plus seeds persisted to ApplicationSettings.json) for code and
+        /// XAML bound to the process-wide singleton rather than a state's
+        /// Settings (e.g. LocationMapControl's DisplayAllLocations
+        /// multibinding). Writes through this state's setters must fan out
+        /// to the singleton or those bindings go stale — that asymmetry is
+        /// why the "Show All Locations" menu toggle (bound per-state) had
+        /// no visible effect while the F11 hotkey (routed through the
+        /// forwarder) worked.
+        /// </summary>
+        void SyncForwarder(string propertyName)
+        {
+            if (SuppressOnChangedHooks) return;
+            ApplicationSettings.Instance.SyncSeedsFromSession(this, propertyName);
         }
 
         // ----------- Fork support ---------------------------------------------
diff --git a/EmoTracker.Data/Sessions/TrackerState.cs b/EmoTracker.Data/Sessions/TrackerState.cs
index 085b6b4..1e5c54e 100644
--- a/EmoTracker.Data/Sessions/TrackerState.cs
+++ b/EmoTracker.Data/Sessions/TrackerState.cs
@@ -505,13 +505,25 @@ public TrackerState Fork(string name = null)
             // store via InitializeAsForkOf — but tying the lifecycle to
             // ItemBase.Fork's machinery here is more boilerplate than just
             // copying the seven scalar bools, so we bulk-copy directly.
-            copy.Settings.IgnoreAllLogic = this.Settings.IgnoreAllLogic;
-            copy.Settings.DisplayAllLocations = this.Settings.DisplayAllLocations;
-            copy.Settings.AlwaysAllowClearing = this.Settings.AlwaysAllowClearing;
-            copy.Settings.AutoUnpinLocationsOnClear = this.Settings.AutoUnpinLocationsOnClear;
-            copy.Settings.PinLocationsOnItemCapture = this.Settings.PinLocationsOnItemCapture;
-            copy.Settings.MapEnabled = this.Settings.MapEnabled;
-            copy.Settings.SwapLeftRight = this.Settings.SwapLeftRight;
+            // Hooks are suppressed for the copy: the fork's layout tree was
+            // forked above from the source's already-mirrored shape, so
+            // SwapLeftRight's reload-on-change hook must not re-run pack
+            // load against the half-built fork.
+            copy.Settings.SuppressOnChangedHooks = true;
+            try
+            {
+                copy.Settings.IgnoreAllLogic = this.Settings.IgnoreAllLogic;
+                copy.Settings.DisplayAllLocations = this.Settings.DisplayAllLocations;
+                copy.Settings.AlwaysAllowClearing = this.Settings.AlwaysAllowClearing;
+                copy.Settings.AutoUnpinLocationsOnClear = this.Settings.AutoUnpinLocationsOnClear;
+                copy.Settings.PinLocationsOnItemCapture = this.Settings.PinLocationsOnItemCapture;
+                copy.Settings.MapEnabled = this.Settings.MapEnabled;
+                copy.Settings.SwapLeftRight = this.Settings.SwapLeftRight;
+            }
+            finally
+            {
+                copy.Settings.SuppressOnChangedHooks = false;
+            }
 
             // ---- Per-state pack-driven scalar settings ---------------------
             // AllowResize / DisabledImageFilterSpec are populated on the