feat: migrate runtime backend to node server

server-node/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "genarrative-server-node",
+  "private": true,
+  "version": "0.1.0",
+  "type": "module",
+  "scripts": {
+    "dev": "tsx watch src/server.ts",
+    "build": "node build.mjs",
+    "start": "node dist/server.js",
+    "test": "node --test --import tsx src/**/*.test.ts"
+  },
+  "dependencies": {
+    "@node-rs/argon2": "^2.0.2",
+    "better-sqlite3": "^12.4.1",
+    "cors": "^2.8.5",
+    "express": "^4.21.2",
+    "jose": "^6.1.0",
+    "pino": "^9.9.5",
+    "pino-http": "^10.5.0",
+    "pino-roll": "^3.1.0",
+    "zod": "^4.1.8"
+  },
+  "devDependencies": {
+    "@types/better-sqlite3": "^7.6.13",
+    "@types/cors": "^2.8.18",
+    "@types/express": "^5.0.3",
+    "@types/node": "^24.6.0",
+    "esbuild": "^0.28.0",
+    "tsx": "^4.21.0",
+    "typescript": "^5.9.3"
+  }
+}