Fix 5 hidden edge cases: IPP decode, settings race, PreviewScreen state sync, burst timeout leak, and logger spam

src/services/settings.ts

@@ -46,11 +46,9 @@ const DEFAULT_SETTINGS: AppSettings = {
  */
 export async function loadSettings(): Promise<AppSettings> {
   try {
-    if (settingsFile.exists) {
-      const content = await settingsFile.text();
-      const parsed = JSON.parse(content);
-      return { ...DEFAULT_SETTINGS, ...parsed };
-    }
+    const content = await settingsFile.text();
+    const parsed = JSON.parse(content);
+    return { ...DEFAULT_SETTINGS, ...parsed };
   } catch (e) {
     console.error('Failed to load settings, using defaults:', e);
   }