fix(secrets): get端点返回改{total,rows}分页契约(裸list Tabular不渲染,实测fetch有数据但表格空)——对齐sqlPaging同构

wwwroot/secrets/get_secret_audit.dspy

@@ -20,4 +20,5 @@ for r in (rows or []):
         "who": str(d.get("who", "")),
         "created_at": str(d.get("exe_timestamp", ""))[:19],
     })
-return out
+# Tabular 数据契约 = {total, rows}（同 get_user_secrets 实测教训）
+return {"total": len(out), "rows": out}

wwwroot/secrets/get_user_secrets.dspy

@@ -26,4 +26,5 @@ for r in (rows or []):
         "created_at": str(r.get("created_at", "") or "")[:19],
         "updated_at": str(r.get("updated_at", "") or "")[:19],
     })
-return out
+# Tabular 数据契约 = sqlPaging 同构 {total, rows}（裸 list 不渲染，实测）
+return {"total": len(out), "rows": out}