Admin group: fix script loading (extra div), total submissions counter, label cleanup

services/progress-service/src/main/kotlin/ru/ysu/lms/progress/SubmissionController.kt

@@ -56,6 +56,13 @@ class SubmissionController(
         @RequestParam labId: UUID,
     ): List<SubmissionDto> = submissions.latestPerStudent(labId)
 
+    /** Общее число решений (всех попыток) по лабораторной. */
+    @GetMapping("/submissions/count")
+    @PreAuthorize("hasAuthority('ROLE_ADMIN')")
+    fun submissionCount(
+        @RequestParam labId: UUID,
+    ): Map<String, Long> = mapOf("count" to submissions.countForLab(labId))
+
     @GetMapping("/submissions/{id}/download")
     @PreAuthorize("hasAuthority('ROLE_ADMIN')")
     fun downloadForAdmin(

services/progress-service/src/main/kotlin/ru/ysu/lms/progress/SubmissionService.kt

@@ -101,6 +101,10 @@ class SubmissionService(
         return zip to name
     }
 
+    /** Общее число решений (всех попыток) по лабораторной. */
+    @Transactional(readOnly = true)
+    fun countForLab(labId: UUID): Long = submissions.countByLabId(labId)
+
     @Transactional(readOnly = true)
     fun latestPerStudent(labId: UUID): List<SubmissionDto> {
         val perStudent = mutableMapOf<UUID, Submission>()

services/progress-service/src/main/kotlin/ru/ysu/lms/progress/repo/SubmissionRepository.kt

@@ -14,6 +14,8 @@ interface SubmissionRepository : JpaRepository<Submission, UUID> {
 
     fun findByLabIdOrderByCreatedAtDesc(labId: UUID): List<Submission>
 
+    fun countByLabId(labId: UUID): Long
+
     fun findFirstByStudentIdAndLabIdOrderBySeqDesc(
         studentId: UUID,
         labId: UUID,