chore(task): 归档选股性能优化任务

.trellis/tasks/archive/2026-08/08-12-optimize-selection-execution-performance/task.json

@@ -3,7 +3,7 @@
   "name": "optimize-selection-execution-performance",
   "title": "优化选股执行性能",
   "description": "",
-  "status": "in_progress",
+  "status": "completed",
   "dev_type": null,
   "scope": null,
   "package": null,
@@ -11,7 +11,7 @@
   "creator": "yuxuanhui",
   "assignee": "yuxuanhui",
   "createdAt": "2026-08-12",
-  "completedAt": null,
+  "completedAt": "2026-08-12",
   "branch": null,
   "base_branch": "main",
   "worktree_path": null,