Add test submission feature for LLM checks without creating submissions; update API and UI components to support new functionality, enhancing task evaluation for teachers and challenge authors. Update localization for test check messages in English and Russian.

src/__data__/api/api.ts

@@ -13,6 +13,9 @@ import type {
   UpdateTaskRequest,
   CreateChainRequest,
   UpdateChainRequest,
+  SubmitRequest,
+  TestSubmissionResult,
+  APIResponse,
 } from '../../types/challenge'
 
 export const api = createApi({
@@ -141,6 +144,21 @@ export const api = createApi({
       transformResponse: (response: { body: ChallengeSubmission[] }) => response.body,
       providesTags: ['Submission'],
     }),
+
+    // Test submission (LLM check without creating a real submission)
+    testSubmission: builder.mutation<TestSubmissionResult, SubmitRequest>({
+      query: ({ userId, taskId, result, isTest = true }) => ({
+        url: '/challenge/submit',
+        method: 'POST',
+        body: {
+          userId,
+          taskId,
+          result,
+          isTest,
+        },
+      }),
+      transformResponse: (response: APIResponse<TestSubmissionResult>) => response.data,
+    }),
   }),
 })
 
@@ -159,5 +177,6 @@ export const {
   useGetSystemStatsV2Query,
   useGetUserStatsQuery,
   useGetUserSubmissionsQuery,
+  useTestSubmissionMutation,
 } = api