minor fixes

services/frontend/src/pages/CompetitionSession/index.tsx

@@ -101,7 +101,6 @@ const CompetitionSession = () => {
               <TaskContent task={currentTask} />
               <TaskSolution
                 task={currentTask}
-                solutions={[]}
                 answer={answer}
                 setAnswer={setAnswer}
                 selectedFile={selectedFile}

services/frontend/src/pages/CompetitionSession/modules/TaskSolution/index.tsx

@@ -12,7 +12,6 @@ import SolutionHistorySheet from './components/SolutionHistorySheet';
 
 interface TaskSolutionProps {
   task: Task;
-  solutions: Solution[];
   answer: string;
   setAnswer: (value: string) => void;
   selectedFile: File | null;
@@ -22,7 +21,6 @@ interface TaskSolutionProps {
 
 const TaskSolution: React.FC<TaskSolutionProps> = ({ 
   task, 
-  solutions = [],
   answer,
   setAnswer,
   selectedFile,
@@ -45,7 +43,7 @@ const TaskSolution: React.FC<TaskSolutionProps> = ({
     setIsHistoryOpen(true);
   };
 
-  const latestSolution = solutions && solutions.length > 0 ? solutions[0] : null;
+  const latestSolution = solutionHistory && solutionHistory.length > 0 ? solutionHistory[0] : null;
 
   return (
     <div className="md:w-[500px] flex flex-col gap-4">