minor consolidation & handling of data from frontend to rust side

src/routes/scene/components/debug-bar.svelte

@@ -1,5 +1,9 @@
 <script lang="ts">
-  import type { PresenceStatus, UserStatusPayload } from "$lib/bindings";
+  import type {
+    CursorPositions,
+    PresenceStatus,
+    UserStatusPayload,
+  } from "$lib/bindings";
 
   interface Friend {
     friend?: {
@@ -10,9 +14,9 @@
 
   interface Props {
     isInteractive: boolean;
-    cursorPosition: { mapped: { x: number; y: number } };
+    cursorPosition: CursorPositions;
     presenceStatus: PresenceStatus | null;
-    friendsCursorPositions: Record<string, { mapped: { x: number; y: number } }>;
+    friendsCursorPositions: Record<string, CursorPositions>;
     friends: Friend[];
     friendsPresenceStates: Record<string, UserStatusPayload>;
   }