feat: Initialize buzz state for stopwatches

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

antonclk/antonclk.app.js

@@ -208,6 +208,7 @@
 		stopWatch.start1 = Date.now();
 		if (!stopWatch.elapsed1) {
 			stopWatch.elapsed1 = 0;
+			stopWatch.buzz1 = 0;
 		}
 		saveStopWatch();
 
@@ -222,6 +223,7 @@
 		stopWatch.start2 = Date.now();
 		if (!stopWatch.elapsed2) {
 			stopWatch.elapsed2 = 0;
+			stopWatch.buzzed2 = false;
 		}
 		saveStopWatch();