remove separate ui service, serve ui with backend

ui/nightwatch/nightwatch.d.ts

@@ -0,0 +1,13 @@
+import { NightwatchCustomAssertions, NightwatchCustomCommands } from 'nightwatch'
+
+declare module 'nightwatch' {
+  interface NightwatchCustomAssertions {
+    // Add your custom assertions' types here
+    // elementHasCount: (selector: string, count: number) => NightwatchBrowser
+  }
+
+  interface NightwatchCustomCommands {
+    // Add your custom commands' types here
+    // strictClick: (selector: string) => NightwatchBrowser
+  }
+}

ui/nightwatch/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "extends": "@tsconfig/node22/tsconfig.json",
+  "compilerOptions": {
+    "noEmit": true,
+    "tsBuildInfoFile": "../node_modules/.tmp/tsconfig.nightwatch.tsbuildinfo",
+
+    "target": "ESNext",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "rootDir": "../",
+    "lib": ["ESNext", "dom"],
+    "types": ["nightwatch"]
+  },
+  "include": ["../node_modules/@nightwatch/**/*", "../src/components/**/*", "../tests/e2e/**/*"],
+  "ts-node": {
+    "transpileOnly": true
+  },
+  "files": ["nightwatch.d.ts"]
+}