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

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
         run: cd server && go test ./...
 
   web:
-    name: Web + core packages
+    name: Desktop UI
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -33,12 +33,10 @@ jobs:
           cache: npm
       - name: Install dependencies
         run: npm ci
-      - name: Build web
-        run: npm run build:web
-      - name: Test core
-        run: npm run test:core
+      - name: Build desktop UI
+        run: npm run build:ui
       - name: Test UI
-        run: npm run test:ui --if-present
+        run: npm test
 
   rust:
     name: Desktop (Tauri) cargo check
@@ -58,5 +56,10 @@ jobs:
             libgtk-3-dev \
             libxdo-dev
       - uses: dtolnay/rust-toolchain@stable
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.25'
+      - name: Prepare native sidecar
+        run: bash ./run.sh prepare
       - name: Cargo check
         run: cd src-tauri && cargo check