overview: animate the spawn-exit camera too

exit_overview_to_window no longer writes zoom/pan/mode directly — it
applies the same SetCamera{animate} command the Overview toggle and
the click-exit use, so a window spawned during overview is flown to
along the configured ramp. SetCamera owns the ramp/target bookkeeping
and flips the mode by fiat, keeping mid-flight re-toggles coherent.

Shadow-verified: position samples during a spawn-exit pass through
intermediate camera states.

Co-Authored-By: Claude Fable 5 <[email protected]>

 src/server/window_manager.rs | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/server/window_manager.rs b/src/server/window_manager.rs
index c1ceb53..2a7c761 100644
--- a/src/server/window_manager.rs
+++ b/src/server/window_manager.rs
@@ -2035,16 +2035,22 @@ impl WindowManager {
         let win_h = if (*win).box_geom.height > 0 { (*win).box_geom.height as f64 } else { 600.0 };
         let center_x = (*win).virtual_x + win_w / 2.0;
         let center_y = (*win).virtual_y + win_h / 2.0;
-        self.desk_zoom = 1.0;
-        self.mode = WindowManagerMode::Normal;
-        self.desk_pan_x = center_x - viewport_w / 2.0;
-        self.desk_pan_y = center_y - viewport_h / 2.0;
+        // Same animated flight as the Overview toggle's exit: SetCamera
+        // owns the ramp/target bookkeeping and flips the mode by fiat.
         self.stop_panning_animation();
-        if matches!(self.state, WindowManagerState::Idle) {
-            self.update_viewport_local();
-        } else {
-            self.dirty_windowing();
-        }
+        crate::policy::api::Compositor::apply(
+            self,
+            &crate::policy::api::Command::SetCamera {
+                camera: crate::policy::camera::Camera {
+                    pan_x: center_x - viewport_w / 2.0,
+                    pan_y: center_y - viewport_h / 2.0,
+                    zoom: 1.0,
+                },
+                overview: Some(false),
+                animate: true,
+            },
+        );
+        crate::policy::api::Compositor::apply(self, &crate::policy::api::Command::RefreshCamera);
     }
 
     /// Issue grid_patch events to grid clients whose current patch no