fix: send correct server message on pomodoro end

- replace manual state reset with a dedicated ResetToDefault function
- remove locking mechanism during state updates

🤖

internal/shared/state.go

@@ -4,11 +4,15 @@ import (
 	"git.smsvc.net/pomodoro/GoTomato/pkg/models"
 )
 
-var Message = models.ServerMessage{
-	Mode:         "",
-	Session:      0,
-	TotalSession: 0,
-	TimeLeft:     0,
-	Ongoing:      false,
-	Paused:       false,
+var Message = ResetToDefault()
+
+func ResetToDefault() models.ServerMessage {
+	return models.ServerMessage{
+		Mode:         "",
+		Session:      0,
+		TotalSession: 0,
+		TimeLeft:     0,
+		Ongoing:      false,
+		Paused:       false,
+	}
 }