统一编辑模板并移除首批台账工具（05-31-business-edit-template-remove-ledger-tools-wave1）

.trellis/tasks/05-31-business-edit-template-remove-ledger-tools-wave1/implement.jsonl

@@ -0,0 +1,4 @@
+{"file": ".trellis/spec/hyb-oa/index.md", "reason": "hyb-oa spec entry and task read order"}
+{"file": ".trellis/spec/hyb-oa/project-governance.md", "reason": "Trellis task, solo-developer scope, commit and validation rules"}
+{"file": ".trellis/spec/hyb-oa/frontend-react-vite-design.md", "reason": "frontend template, navigation, list/detail/edit and visual design rules"}
+{"file": ".trellis/spec/hyb-oa/security-privacy.md", "reason": "export and sensitive ledger action placement constraints"}