Merge pull request 'Fix connection indicator script duplication on SSE patches' (#12) from fix/connection-indicator-script into main

features/common/components/shared.templ

@@ -52,6 +52,8 @@ func isStale(lastPing int64) bool {
 	return lastPing == 0
 }
 
+var connectionWatcherHandle = templ.NewOnceHandle()
+
 // ConnectionIndicator shows a small dot indicating SSE connection status.
 // Server patches this with a timestamp; client JS detects staleness.
 templ ConnectionIndicator(lastPing int64) {
@@ -79,8 +81,10 @@ templ ConnectionIndicator(lastPing int64) {
 			></div>
 		</div>
 	</div>
+	@connectionWatcherHandle.Once() {
 		@connectionWatcher()
 	}
+}
 
 script connectionWatcher() {
 	setInterval(function() {