progress: task-9 done (completed=9, rounds=9)

progress.json

@@ -1,8 +1,8 @@
 {
   "version": 1,
   "total_tasks": 100,
-  "completed": 4,
-  "rounds": 4,
+  "completed": 9,
+  "rounds": 9,
   "started_at": "2026-08-29T14:10:48+08:00",
   "updated_at": "2026-08-29T15:00:00+08:00",
   "tasks": [
@@ -39,35 +39,35 @@
       "title": "为预览行数量增加配置边界、空文件和超限输入校验",
       "module": "similarasin",
       "dependency": "4",
-      "status": "pending"
+      "status": "done"
     },
     {
       "id": 6,
       "title": "将分组数据改为索引/范围引用，避免 groups 嵌套复制完整行对象",
       "module": "similarasin",
       "dependency": "5",
-      "status": "pending"
+      "status": "done"
     },
     {
       "id": 7,
       "title": "限制单文件大小、最大行数和最大字段长度，防止解析任务无界增长",
       "module": "similarasin",
       "dependency": "6",
-      "status": "pending"
+      "status": "done"
     },
     {
       "id": 8,
       "title": "将 WorkbookFactory 输入解析改为受控读取，并验证超大 Excel 的失败提示",
       "module": "similarasin",
       "dependency": "7",
-      "status": "pending"
+      "status": "done"
     },
     {
       "id": 9,
       "title": "将 chunk 查询从单行分页改为批量 keyset 分页，保持低内存读取",
       "module": "similarasin",
       "dependency": "8",
-      "status": "pending"
+      "status": "done"
     },
     {
       "id": 10,