同步完整源码至远程：扁平化重构现状 + 未入库源文件

- 补入库：server/internal/db/dump.go、redis 分页/扫描预算测试、opsxdb-mcp main_test、
  packages/opsxdb-mcp package-lock、docs 审计与对比文档等 37 个新文件
- 含结构扁平化进行中的 80 处修改与 155 处旧结构删除（server/ src/ src-tauri/ 为当前有效源）
- 构建产物（bin/target/dist）与签名私钥仍按规则排除

src/notifyPolicy.test.ts

@@ -0,0 +1,17 @@
+import { afterEach, expect, it } from "vitest";
+import { useWorkspaceStore } from "./store";
+
+const previous = useWorkspaceStore.getState();
+afterEach(() => useWorkspaceStore.setState(previous, true));
+
+it("常规成功反馈静默，任务完成与警告仍可见", () => {
+  useWorkspaceStore.setState({ notifyToasts: [] });
+  const state = useWorkspaceStore.getState();
+  state.notify({ kind: "success", title: "已复制", message: "SQL 已复制", mode: "toast" });
+  state.notify({ kind: "success", title: "已格式化", message: "可撤销", mode: "toast" });
+  expect(useWorkspaceStore.getState().notifyToasts).toHaveLength(0);
+
+  state.notify({ kind: "success", title: "导出完成", message: "结果.csv", mode: "toast", feedback: "visible" });
+  state.notify({ kind: "warning", title: "行数无效", message: "请输入整数", mode: "toast" });
+  expect(useWorkspaceStore.getState().notifyToasts.map(n => n.title)).toEqual(["导出完成", "行数无效"]);
+});