fix: center is pure one-shot (no centerLocked); resize no longer snaps to center

src/ui.tsx

@@ -102,7 +102,7 @@ function Plugin () {
     emit('RESIZE_WINDOW', { width: w, height: h })
     // If resize pulled the window out of dock — stop holding dock state (so polling
     // does not re-pin and RESIZE_WINDOW does not re-dock). A normal (non-dock) resize
-    // holds centerLocked/dock itself via applyDock in main.
+    // holds the dock state itself via applyDock in main.
     if (exitingDockRef.current) {
       exitingDockRef.current = false
       dockedPosRef.current = null