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-tauri/tauri.conf.json

@@ -4,15 +4,16 @@
   "version": "0.1.0",
   "identifier": "com.opsx.db",
   "build": {
-    "beforeDevCommand": "bash -lc 'curl -fsS http://127.0.0.1:5174 >/dev/null 2>&1 || npm run dev'",
+    "beforeDevCommand": "bash -lc 'curl -fsS http://127.0.0.1:5174 >/dev/null 2>&1 || npm run dev:ui'",
     "devUrl": "http://127.0.0.1:5174",
-    "beforeBuildCommand": "bash -lc 'npm run build'",
+    "beforeBuildCommand": "npm run build:ui",
     "frontendDist": "../dist"
   },
   "app": {
     "windows": [
       {
         "title": "OpsxDB",
+        "hiddenTitle": true,
         "width": 1280,
         "height": 800,
         "minWidth": 960,