Add duplicate and clear submissions functionality for challenge chains; implement corresponding dialogs and API endpoints, enhancing user experience and task management. Update localization for new features in English and Russian.

src/__data__/api/api.ts

@@ -13,6 +13,8 @@ import type {
   UpdateTaskRequest,
   CreateChainRequest,
   UpdateChainRequest,
+  DuplicateChainRequest,
+  ClearSubmissionsResponse,
   SubmitRequest,
   TestSubmissionResult,
   ChainSubmissionsResponse,
@@ -115,6 +117,23 @@ export const api = createApi({
       }),
       invalidatesTags: ['Chain'],
     }),
+    duplicateChain: builder.mutation<ChallengeChain, { chainId: string; name?: string }>({
+      query: ({ chainId, name }) => ({
+        url: `/challenge/chain/${chainId}/duplicate`,
+        method: 'POST',
+        body: name ? { name } : {},
+      }),
+      transformResponse: (response: { body: ChallengeChain }) => response.body,
+      invalidatesTags: ['Chain'],
+    }),
+    clearChainSubmissions: builder.mutation<ClearSubmissionsResponse, string>({
+      query: (chainId) => ({
+        url: `/challenge/chain/${chainId}/submissions`,
+        method: 'DELETE',
+      }),
+      transformResponse: (response: { body: ClearSubmissionsResponse }) => response.body,
+      invalidatesTags: ['Chain', 'Submission'],
+    }),
 
     // Statistics
     getSystemStats: builder.query<SystemStats, void>({
@@ -187,6 +206,8 @@ export const {
   useCreateChainMutation,
   useUpdateChainMutation,
   useDeleteChainMutation,
+  useDuplicateChainMutation,
+  useClearChainSubmissionsMutation,
   useGetSystemStatsQuery,
   useGetSystemStatsV2Query,
   useGetUserStatsQuery,