Reader progress display fix and dependency updates

- Add readerReady event listener to progress-indicator.ts to ensure
  progress displays correctly when reader finishes loading
- Update bruno environment variable values for testing
- Move bluemonday from indirect to direct dependency in go.mod
- Clean up unused indirect dependencies in go.sum

web/src/reader/features/progress-indicator.ts

@@ -14,6 +14,9 @@ export async function init(readerContext: ReaderContext): Promise<void> {
   context.events.on("progressUpdated", () => {
     updateProgressDisplay(context);
   });
+  context.events.on("readerReady", () => {
+    updateProgressDisplay(context);
+  });
   setupProgressModeCycling(context);
 }
 export { calculateProgress, cycleProgressMode };