diff --git a/src/TeamsISO.App/MainWindow.xaml b/src/TeamsISO.App/MainWindow.xaml
index 31c60f4..594dc87 100644
--- a/src/TeamsISO.App/MainWindow.xaml
+++ b/src/TeamsISO.App/MainWindow.xaml
@@ -22,8 +22,9 @@
         (Approved 2026-05-13. Shape brief at docs/shapes/2026-05-13-teamsiso-v2-studio-terminal.md)
 
         Default Windows title bar (no chromeless WindowChrome). The 32px header
-        below it carries the brand mark, wordmark, and three icon buttons:
-        ⌘K (command palette), theme toggle, settings drawer. Below that, a
+        below it carries the brand mark, wordmark, and two icon buttons:
+        theme toggle and settings drawer. (Command palette is still reachable
+        via Ctrl+K — keybinding only, no visible button.) Below that, a
         single transport strip carries the operator's at-a-glance status.
         The participants area is the canvas — no rail, no permanent side
         panel, no footer. The meeting bar at the bottom renders ONLY when
@@ -118,23 +119,16 @@
                                Margin="8,0,0,0"/>
                 </StackPanel>
 
-                <!-- Right cluster: three icon buttons. ⌘K opens the command
-                     palette (Ctrl+K shortcut). The theme button cycles
+                <!-- Right cluster: two icon buttons. The theme button cycles
                      dark ↔ light (Ctrl+T). The gear opens the settings
-                     drawer. That's the entire chrome. -->
+                     drawer. Ctrl+K still opens the command palette via the
+                     keybinding above — we just dropped the visible ⌘K
+                     button because it duplicated the keyboard affordance
+                     and crowded the header. -->
                 <StackPanel Grid.Column="2"
                             Orientation="Horizontal"
                             VerticalAlignment="Center"
                             Margin="0,0,10,0">
-                    <Button Style="{StaticResource Wd.Button.Ghost}"
-                            Click="OnCommandPaletteClick"
-                            Padding="8,4"
-                            Margin="0,0,2,0"
-                            ToolTip="Command palette (Ctrl+K)"
-                            FontFamily="{StaticResource Wd.Font.Mono}"
-                            FontSize="11"
-                            Foreground="{DynamicResource Wd.Text.Secondary}"
-                            Content="⌘K"/>
                     <Button Style="{StaticResource Wd.Button.Ghost}"
                             Command="{Binding ToggleThemeCommand}"
                             Padding="6,4"
@@ -147,16 +141,21 @@
                               Width="14" Height="14"
                               Stretch="None"/>
                     </Button>
+                    <!-- True gear (Unicode U+2699) rendered via Segoe UI Symbol, the
+                         same approach used by the per-row CFG button. Replaces the
+                         earlier hand-drawn Path that read as a sun/asterisk rather
+                         than a cog. Unicode glyph hints cleanly at the small icon
+                         sizes the header uses and stays crisp under DPI scaling. -->
                     <Button Style="{StaticResource Wd.Button.Ghost}"
                             Click="OnSettingsToggleClick"
-                            Padding="6,4"
+                            Padding="6,2"
                             ToolTip="Settings">
-                        <Path Data="M 8,1 L 8,3 M 8,13 L 8,15 M 1,8 L 3,8 M 13,8 L 15,8 M 3,3 L 4.5,4.5 M 11.5,11.5 L 13,13 M 3,13 L 4.5,11.5 M 11.5,4.5 L 13,3 M 8,5.5 C 9.4,5.5 10.5,6.6 10.5,8 C 10.5,9.4 9.4,10.5 8,10.5 C 6.6,10.5 5.5,9.4 5.5,8 C 5.5,6.6 6.6,5.5 8,5.5"
-                              Stroke="{DynamicResource Wd.Text.Secondary}"
-                              StrokeThickness="1.4"
-                              Fill="Transparent"
-                              Width="14" Height="14"
-                              Stretch="None"/>
+                        <TextBlock Text="&#x2699;"
+                                   FontSize="16"
+                                   FontFamily="Segoe UI Symbol"
+                                   Foreground="{DynamicResource Wd.Text.Secondary}"
+                                   VerticalAlignment="Center"
+                                   HorizontalAlignment="Center"/>
                     </Button>
                 </StackPanel>
             </Grid>