Add getUsageStats operation + hook

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/operations/shot_simulation.gql

@@ -9,9 +9,6 @@ query GetTableState(
     useHomography: $useHomography
   ) {
     identifierToPosition
-    identifierToColor {
-      hex
-    }
   }
 }
 
@@ -21,9 +18,6 @@ query GetLiveTableState($videoId: Int!) {
     frameIndex
     tableState {
       identifierToPosition
-      identifierToColor {
-        hex
-      }
       homography {
         ...HomographyInfo
       }