perf(desktop): only persist the background colour when it changes

The renderer reports its theme background over IPC on every boot, and electron-store rewrites and fsyncs opencode.settings on each set. That blocked the main thread for ~40 ms while the renderer was waiting on IPC during startup, for a value that had not changed.
2026-09-18 23:06:25 +00:00 · 2026-09-18 23:14:09 +10:00
1 changed files with 3 additions and 1 deletions
@@ -58,8 +58,10 @@ export function setDockIcon(path: Path.Path, paths: DesktopPaths.Resolved) {
 }

 export function setBackgroundColor(color: string) {
+  // The renderer reports its theme background on every boot; electron-store rewrites and fsyncs the
+  // settings file on each set, so only persist a change.
+  if (getBackgroundColor() !== color) getStore().set(BACKGROUND_COLOR_KEY, color)
  backgroundColor = color
-  getStore().set(BACKGROUND_COLOR_KEY, color)
  BrowserWindow.getAllWindows().forEach((win) => {
    win.setBackgroundColor(color)
    if (process.platform === "darwin") win.invalidateShadow()