完成五人团队正式内用最小收口（07-18-small-team-internal-readiness）

.trellis/tasks/archive/2026-07/05-31-unified-page-header-actions/check.jsonl

@@ -0,0 +1,3 @@
+{"file": ".trellis/spec/hyb-oa/project-governance.md", "reason": "检查 Trellis validate、governance、提交和任务收口"}
+{"file": ".trellis/spec/hyb-oa/frontend-react-vite-design.md", "reason": "检查右上角操作区是否符合统一规则"}
+{"file": ".trellis/spec/hyb-oa/docs-and-evidence.md", "reason": "检查截图、报告和任务记录是否安全"}