fix: use a script to ensure windows support

Author: gagik

package.json

@@ -31,10 +31,11 @@
     "prepare": "npm run build",
     "build:clean": "rm -rf dist",
     "build:update-package-info": "tsx scripts/update-package-info.ts",
-    "build:esm": "tsc --project tsconfig.esm.json && echo '{\"type\":\"module\"}' > dist/package.json",
-    "build:cjs": "tsc --project tsconfig.cjs.json && echo '{\"type\":\"commonjs\"}' > dist/cjs/package.json",
+    "build:esm": "tsc --project tsconfig.esm.json",
+    "build:cjs": "tsc --project tsconfig.cjs.json",
+    "build:package-json": "tsx scripts/write-package-json.ts",
     "build:chmod": "chmod +x dist/cjs/index.js",
-    "build": "npm run build:clean && npm run build:esm && npm run build:cjs && npm run build:chmod",
+    "build": "npm run build:clean && npm run build:esm && npm run build:cjs && npm run build:package-json && npm run build:chmod",
     "inspect": "npm run build && mcp-inspector -- dist/cjs/index.js",
     "prettier": "prettier",
     "check": "npm run build && npm run check:types && npm run check:lint && npm run check:format",

scripts/write-package-json.ts

@@ -0,0 +1,16 @@
+#!/usr/bin/env tsx
+
+import { writeFileSync, mkdirSync } from "fs";
+import { resolve } from "path";
+
+const distDir = resolve("dist");
+
+// ESM package.json
+const esmPath = resolve(distDir, "esm", "package.json");
+mkdirSync(resolve(distDir, "esm"), { recursive: true });
+writeFileSync(esmPath, JSON.stringify({ type: "module" }));
+
+// CJS package.json
+const cjsPath = resolve(distDir, "cjs", "package.json");
+mkdirSync(resolve(distDir, "cjs"), { recursive: true });
+writeFileSync(cjsPath, JSON.stringify({ type: "commonjs" }));