fix(palette): stop hover auto-scroll, open dead-centre, drop the top strip

Sources/Tic/AppModel.swift

@@ -122,12 +122,21 @@ final class AppModel {
             searchWindow = panel
         }
         guard let window = searchWindow else { return }
-        window.center()                  // centered on screen every time it's called
+        centerOnActiveDisplay(window)    // centered on screen every time it's called
         window.level = .floating         // and always on top when called
         window.makeKeyAndOrderFront(nil)
         NSApp.activate()
     }
 
+    /// Dead-centre of the display the pointer is on. `NSWindow.center()` isn't that: it sits above
+    /// centre, and on whichever display the reused panel was last shown.
+    private func centerOnActiveDisplay(_ window: NSWindow) {
+        let pointer = NSEvent.mouseLocation
+        guard let area = (NSScreen.screens.first { $0.frame.contains(pointer) } ?? NSScreen.main)?.visibleFrame
+        else { return }
+        window.setFrameOrigin(NSPoint(x: area.midX - window.frame.width / 2, y: area.midY - window.frame.height / 2))
+    }
+
     /// Closes the Lists palette (Escape / pick a list / its close button).
     func dismissSearch() {
         searchWindow?.orderOut(nil)
@@ -158,7 +167,7 @@ final class AppModel {
             mcpWindow = panel
         }
         guard let window = mcpWindow else { return }
-        window.center()
+        centerOnActiveDisplay(window)
         window.level = .floating
         window.makeKeyAndOrderFront(nil)
         NSApp.activate()

Sources/Tic/Views/ListsSearchView.swift

@@ -8,6 +8,8 @@ struct ListsSearchView: View {
     @State private var model = AppModel.shared
     @State private var search = ""
     @State private var selectedID: Note.ID?
+    @State private var scrollRequest: Note.ID?
+    @State private var pointerAtKeyMove: NSPoint?
     @FocusState private var searchFocused: Bool
 
     private var results: [Note] {
@@ -27,6 +29,7 @@ struct ListsSearchView: View {
         }
         .frame(width: 700, height: 440)
         .background(.regularMaterial)
+        .ignoresSafeArea()               // else the hidden title bar leaves a blank strip on top
         .task {
             searchFocused = true
             selectedID = results.first?.id
@@ -87,17 +90,22 @@ struct ListsSearchView: View {
                                 onDelete: { model.delete(note) }
                             )
                             .id(note.id)
-                            .onHover { if $0 { selectedID = note.id } }
+                            // A row scrolled under a resting pointer isn't a hover: that would
+                            // snatch the selection back from the arrow keys.
+                            .onHover { if $0, NSEvent.mouseLocation != pointerAtKeyMove { selectedID = note.id } }
                             .onTapGesture { selectedID = note.id; openSelected() }
                         }
                     }
                 }
                 .padding(.horizontal, 8)
                 .padding(.vertical, 6)
             }
-            .onChange(of: selectedID) { _, id in
+            // Only the arrow keys scroll. Hover also selects, and scrolling for that moved the
+            // list under the pointer, which hovered a new row, which scrolled again…
+            .onChange(of: scrollRequest) { _, id in
                 guard let id else { return }
-                withAnimation(.easeOut(duration: 0.12)) { proxy.scrollTo(id, anchor: .center) }
+                withAnimation(.easeOut(duration: 0.12)) { proxy.scrollTo(id) }
+                scrollRequest = nil
             }
         }
         .frame(maxHeight: .infinity)
@@ -138,6 +146,8 @@ struct ListsSearchView: View {
         let current = selectedID.flatMap { ids.firstIndex(of: $0) } ?? -1
         let next = min(max(current + delta, 0), ids.count - 1)
         selectedID = ids[next]
+        scrollRequest = ids[next]
+        pointerAtKeyMove = NSEvent.mouseLocation
     }
 
     private func openSelected() {

Sources/Tic/Views/MCPSetupView.swift

@@ -38,6 +38,7 @@ struct MCPSetupView: View {
         }
         .frame(width: 680, height: 460)
         .background(.regularMaterial)
+        .ignoresSafeArea()               // else the hidden title bar leaves a blank strip on top
         .onExitCommand { model.dismissMCPSetup() }
     }