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.

web/src/main/resources/templates/admin/group.html

@@ -93,7 +93,7 @@
                                 </button>
                                 <button class="score-link" type="button"
                                         th:classappend="${cell.score == null} ? 'none' : ''"
-                                        th:attr="data-student=${row.studentId},data-student-name=${row.fullName},data-lab=${cell.labId},data-lab-name='ЛР ' + ${cell.labNumber},data-score=${cell.score},data-comments=${row.commentsJson},data-ci=${iterStat.index}" data-action="grade"
+                                        th:attr="data-student=${row.studentId},data-student-name=${row.fullName},data-lab=${cell.labId},data-lab-name='ЛР ' + ${cell.labNumber},data-score=${cell.score},data-general-comment=${cell.generalComment},data-comments=${row.commentsJson},data-ci=${iterStat.index}" data-action="grade"
                                         th:title="${cell.score} ? 'Оценка ' + ${cell.score} + ' — изменить' : 'Оценки нет — выставить балл и комментарии'">
                                     <span th:text="${cell.score} ?: '—'">—</span>
                                 </button>
@@ -160,6 +160,9 @@
             <div><label class="label">Студент</label><input class="input" id="grade-who" readonly></div>
             <div><label class="label" for="grade-score">Балл (0–5)</label>
                 <input class="input" id="grade-score" name="score" type="number" min="0" max="5" step="0.1"></div>
+            <div><label class="label" for="grade-general">Общий комментарий по лабораторной</label>
+                <textarea class="input" id="grade-general" name="generalComment" rows="4"
+                          placeholder="Итоговый комментарий по работе в целом…"></textarea></div>
             <div id="cs-rows"></div>
             <div class="flex gap-2">
                 <button class="btn btn-secondary" type="button" data-action="comment-add">+ комментарий</button>
@@ -342,7 +345,7 @@
     <div class="dlg-body" id="assign-modal-body"></div>
 </dialog>
 
-<script th:src="@{/js/admin-group.js(v='34')}" defer></script>
+<script th:src="@{/js/admin-group.js(v='35')}" defer></script>
 </div>
 </body>
 </html>