perf: address PR comments and remove bolt persona references

src/client/components/EditorCanvas.tsx

@@ -28,7 +28,7 @@ function sceneFromEditor(
   files: BinaryFiles,
 ): ScenePayload {
   return {
-    // ⚡ Bolt: Excalidraw passes immutable arrays, avoid copying it on every onChange event
+    // Excalidraw passes immutable arrays, avoid copying it on every onChange event
     elements: elements as unknown[],
     appState: appState as unknown as Record<string, unknown>,
     files: files as unknown as Record<string, unknown>,

src/client/hooks/useThemeTokenSync.ts

@@ -33,7 +33,7 @@ export function useThemeTokenSync(
       return;
     }
 
-    // ⚡ Bolt: Read all tokens first to avoid layout thrashing
+    // Read all tokens first to avoid layout thrashing
     const computedStyles = window.getComputedStyle(excalidrawRoot);
     const updates: Array<[string, string]> = [];
 
@@ -44,7 +44,7 @@ export function useThemeTokenSync(
       }
     }
 
-    // ⚡ Bolt: Write in a separate pass, skipping unchanged values
+    // Write in a separate pass, skipping unchanged values
     for (const [targetToken, value] of updates) {
       if (appShell.style.getPropertyValue(targetToken) !== value) {
         appShell.style.setProperty(targetToken, value);