fix: add dedicated CLI entry point

Author: ahonn

bin/cli.js

@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+import('../build/index.js');

package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "main": "build/index.js",
   "bin": {
-    "pageindex-mcp": "build/index.js"
+    "pageindex-mcp": "bin/cli.js"
   },
   "scripts": {
     "build": "tsup",

src/tools/process-document.ts

@@ -205,7 +205,7 @@ async function downloadPdf(url: string): Promise<FileInfo> {
           console.log(
             `Initial request failed for arxiv URL: ${url}, retrying with .pdf suffix`,
           );
-          const retryUrl = url.endsWith('/') ? url + 'pdf' : url + '.pdf';
+          const retryUrl = url.endsWith('/') ? `${url}pdf` : `${url}.pdf`;
 
           try {
             response = await fetchWithRetry(retryUrl);
@@ -247,7 +247,7 @@ async function downloadPdf(url: string): Promise<FileInfo> {
 
       // Ensure filename has .pdf extension if not present
       if (!filename.toLowerCase().endsWith('.pdf')) {
-        filename = filename + '.pdf';
+        filename = `${filename}.pdf`;
       }
 
       const contentType = response.headers.get('content-type');