更新 package.json 中的 build 腳本以添加 shebang，並新增 scripts/add-shebang.js 腳本以確保 dist/index.js 文件中包含正確的 shebang。

package.json

@@ -16,7 +16,7 @@
     "shrimp-task-manager": "./dist/index.js"
   },
   "scripts": {
-    "build": "tsc",
+    "build": "tsc && node scripts/add-shebang.js",
     "dev": "ts-node src/index.ts",
     "start": "node dist/index.js",
     "test": "echo \"Error: no test specified\" && exit 1"

scripts/add-shebang.js

@@ -0,0 +1,12 @@
+import fs from "fs";
+const filePath = "./dist/index.js";
+const shebang = "#!/usr/bin/env node\n";
+
+let content = fs.readFileSync(filePath, "utf8");
+if (!content.startsWith(shebang)) {
+  content = shebang + content;
+  fs.writeFileSync(filePath, content);
+  console.log("✅ Shebang added to dist/index.js");
+} else {
+  console.log("ℹ️ Shebang already present.");
+}