chore(task): 归档采购申请任务化页面重构

.trellis/tasks/archive/2026-05/05-30-purchase-request-task-layout/implement.jsonl

@@ -0,0 +1,4 @@
+{"file": ".trellis/spec/hyb-oa/project-governance.md", "reason": "Trellis task, approval and solo-developer execution constraints"}
+{"file": ".trellis/spec/hyb-oa/frontend-react-vite-design.md", "reason": "Business ledger/master-detail template and action placement rules"}
+{"file": ".trellis/spec/hyb-oa/approval-workflow.md", "reason": "Approval action ownership and workflow boundaries"}
+{"file": ".trellis/spec/hyb-oa/docs-and-evidence.md", "reason": "Evidence and report privacy rules"}