feat: 首页支持多选全选与批量积分

src/i18n/locales/en-US.json

@@ -396,10 +396,21 @@
     "studentCount": "{{count}} students",
     "operationTitle": "Points Operation: {{name}}",
     "submitOperation": "Submit Operation",
+    "operationTitleBatch": "Points Operation: {{count}} Selected",
     "undoLastAction": "Undo Last",
     "undoLastHint": "Undo latest: {{name}} {{delta}}",
     "undoUnavailable": "No points operation available to undo",
     "undoLastSuccess": "Last points operation has been undone",
+    "multiSelect": "Multi-select",
+    "batchMode": "Batch Mode",
+    "selectAll": "Select All",
+    "clearSelected": "Clear Selected",
+    "batchOperate": "Batch Points",
+    "selected": "Selected",
+    "selectedCount": "{{count}} selected",
+    "batchSuccess": "Submitted points for {{count}} students",
+    "batchPartial": "Successfully submitted for {{success}}/{{total}} students",
+    "selectStudentFirst": "Please select student(s) first",
     "addPoints": "Add Points",
     "deductPoints": "Deduct Points",
     "pointsChange": "Points Change",