Fix: bin file in package.json

package.json

@@ -9,7 +9,7 @@
   "type": "module",
   "main": "src/mcp-server.ts",
   "bin": {
-    "ask262": "bun run src/mcp-server.ts"
+    "ask262": "src/mcp-server.ts"
   },
   "scripts": {
     "type-check": "tsc --noEmit",

src/mcp-server.ts

@@ -1,3 +1,4 @@
+#!/usr/bin/env bun
 /**
  * Ask262 MCP Server
  * Provides MCP-compatible tools for exploring the ECMAScript specification.
@@ -81,7 +82,7 @@ const embeddings = new OllamaEmbeddings({
   baseUrl: process.env.OLLAMA_HOST,
 });
 
-async function main() {
+export async function main() {
   // Connect to LanceDB
   const db = await lancedbSdk.connect(STORAGE_DIR);
   const table = await db.openTable("spec_vectors");