feat: OpsxDB 桌面数据库客户端首版入库

含工作台/连库多引擎字段与 SSH·SSL、结果编辑、Redis 键浏览、
Tauri 桌面与 docs/落地页；排除本地构建产物与 sidecar 二进制。

apps/desktop/src-tauri/tauri.conf.json

@@ -0,0 +1,43 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "OpsxDB",
+  "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 --prefix ../.. run dev:web'",
+    "devUrl": "http://127.0.0.1:5174",
+    "beforeBuildCommand": "bash -lc 'cd ../.. && VITE_OPSXDB_API=http://127.0.0.1:8788 npm run build:web'",
+    "frontendDist": "../../web/dist"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "OpsxDB",
+        "width": 1280,
+        "height": 800,
+        "minWidth": 960,
+        "minHeight": 640,
+        "resizable": true,
+        "fullscreen": false,
+        "label": "main"
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ],
+    "externalBin": [
+      "binaries/opsxdb-server"
+    ]
+  }
+}