feat: general lab comment and strict square UI

Add a non-required general comment for a student's lab grade (progress V9, API, admin modal, student card). Empty string is the default. Switch the UI to square corners and bump static asset versions.

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

@@ -134,6 +134,8 @@ data class GradeSetRequest(
     val labId: String,
     val score: BigDecimal,
     val comments: List<CommentInput> = emptyList(),
+    /** Итоговый комментарий по работе в целом; может быть пустым. */
+    val generalComment: String = "",
 )
 
 data class CommentInput(
@@ -158,6 +160,7 @@ data class GradeResponse(
     val labId: String,
     val score: BigDecimal,
     val comments: List<CommentOut> = emptyList(),
+    val generalComment: String = "",
 )
 
 data class SubmissionDto(

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

@@ -29,6 +29,8 @@ class GradeService(
         val key = LabGradeKey(sid, lid)
         val grade = grades.findById(key).orElseGet { LabGrade(studentId = key.studentId, labId = key.labId) }
         grade.score = request.score
+        grade.generalComment = request.generalComment.trim()
+        grade.updatedAt = java.time.Instant.now()
         grades.save(grade)
         replaceComments(sid, lid, request.comments)
         return GradeResponse(
@@ -36,6 +38,7 @@ class GradeService(
             request.labId,
             request.score,
             commentsOf(sid, lid).map { CommentOut(it.text, it.tone) },
+            grade.generalComment,
         )
     }
 
@@ -122,6 +125,7 @@ class GradeService(
                 labId = it.labId.toString(),
                 score = it.score,
                 comments = (byGrade[it.studentId to it.labId] ?: emptyList()).map { c -> CommentOut(c.text, c.tone) },
+                generalComment = it.generalComment,
             )
         }
     }

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

@@ -17,6 +17,7 @@ class LabGrade(
     @Id @Column(nullable = false) var studentId: UUID = UUID(0, 0),
     @Id @Column(nullable = false) var labId: UUID = UUID(0, 0),
     @Column(nullable = false) var score: BigDecimal = BigDecimal.ZERO,
+    @Column(name = "general_comment", nullable = false) var generalComment: String = "",
     @Column(nullable = false) var updatedAt: Instant = Instant.now(),
 )
 

services/progress-service/src/main/resources/db/migration/V9__grade_general_comment.sql

@@ -0,0 +1,2 @@
+-- Общий (итоговый) комментарий преподавателя по лабораторной для конкретного студента.
+ALTER TABLE lab_grades ADD COLUMN general_comment text NOT NULL DEFAULT '';