fix: cannot build prod and delete unused file

backend/babel.config.json

@@ -1,14 +0,0 @@
-{
-  "presets": [
-    [
-      "@babel/preset-env",
-      {
-        "targets": {
-          "node": "current"
-        },
-        "modules": false
-      }
-    ],
-    "@babel/preset-typescript"
-  ]
-}

backend/package.json

@@ -5,7 +5,7 @@
   "main": "server.ts",
   "scripts": {
     "dev": "tsx --watch server.ts",
-    "build": "tsc -b",
+    "build": "tsc -b && node scripts/copy-assets.cjs",
     "start": "node dist/server.js"
   },
   "keywords": [],

backend/scripts/copy-assets.cjs

@@ -0,0 +1,17 @@
+// scripts/copy-assets.cjs
+const fs = require("fs");
+const path = require("path");
+
+const rootDir = path.join(__dirname, "..");
+const distDir = path.join(rootDir, "dist");
+
+const sqlFiles = fs
+  .readdirSync(rootDir)
+  .filter((f) => f.endsWith(".scheme.sql"));
+
+for (const file of sqlFiles) {
+  const srcPath = path.join(rootDir, file);
+  const distPath = path.join(distDir, file);
+  fs.copyFileSync(srcPath, distPath);
+  console.log(`Copied ${srcPath} -> ${distPath}`);
+}