feat: migrate gateway to nestjs

package.json

@@ -36,7 +36,6 @@
     "@electron-forge/shared-types": "^7.8.1",
     "@electron/fuses": "~1.8.0",
     "@electron/rebuild": "^3.7.1",
-    "node-addon-api": "^8.3.1",
     "@eslint/compat": "^1.4.1",
     "@eslint/js": "^9.39.0",
     "@playwright/test": "^1.56.1",
@@ -63,6 +62,7 @@
     "eslint-plugin-react-hooks": "^7.0.1",
     "globals": "^16.5.0",
     "jsdom": "^27.1.0",
+    "node-addon-api": "^8.3.1",
     "prettier": "^3.6.2",
     "prettier-plugin-tailwindcss": "^0.7.1",
     "tailwindcss": "^4.1.16",
@@ -74,6 +74,9 @@
   },
   "dependencies": {
     "@icons-pack/react-simple-icons": "^13.8.0",
+    "@nestjs/common": "^11.1.10",
+    "@nestjs/core": "^11.1.10",
+    "@nestjs/platform-fastify": "^11.1.10",
     "@orpc/client": "^1.10.4",
     "@orpc/server": "^1.11.3",
     "@radix-ui/react-avatar": "^1.1.11",
@@ -95,11 +98,15 @@
     "@tanstack/react-router": "^1.139.3",
     "@tanstack/react-router-devtools": "^1.135.0",
     "@types/uuid": "^11.0.0",
+    "axios": "^1.13.2",
     "better-sqlite3": "^12.4.6",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.3",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
     "electron-squirrel-startup": "^1.0.1",
+    "fastify": "^5.6.2",
     "happy-dom": "^20.0.10",
     "i18next": "^25.6.3",
     "i18next-browser-languagedetector": "^8.2.0",
@@ -108,6 +115,8 @@
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-i18next": "^16.2.4",
+    "reflect-metadata": "^0.2.2",
+    "rxjs": "^7.8.2",
     "tailwind-merge": "^3.4.0",
     "tailwindcss-animate": "^1.0.7",
     "undici": "^7.16.0",