refactor: separate Scene controls from playback and project operations

docs/CURRENT-STATE.md

@@ -1,5 +1,13 @@
 # God's Eye View Current State
 
+## Scene control ownership
+
+Scene controls own panel listeners, shot rows, playback/recording presentation
+and keyboard cancellation. The director supplies project reads and explicit
+editing/playback actions while retaining persistence, camera and layer sequencing.
+Replacing rows revokes their old listeners. Disposal stops controls immediately;
+late file and failed-action completions cannot update removed presentation.
+
 ## Cockpit component ownership
 
 Cockpit presentation is separated from its camera/controller behavior. Existing