feat: add autoInit switch for IIFE demo

packages/page-agent/src/demo.ts

@@ -3,8 +3,12 @@
  */
 import { PageAgent, type PageAgentConfig } from './PageAgent'
 
+const currentScript = document.currentScript as HTMLScriptElement | null
+const currentScriptURL = currentScript?.src ? new URL(currentScript.src) : null
+const autoInit = currentScriptURL?.searchParams.get('autoInit') !== 'false'
+
 // Clean up existing instances to prevent multiple injections from bookmarklet
-if (window.pageAgent) {
+if (autoInit && window.pageAgent) {
 	window.pageAgent.dispose()
 }
 
@@ -17,16 +21,14 @@ const DEMO_MODEL = 'qwen3.5-plus'
 const DEMO_BASE_URL = 'https://page-ag-testing-ohftxirgbn.cn-shanghai.fcapp.run'
 const DEMO_API_KEY = 'NA'
 
-const currentScript = document.currentScript as HTMLScriptElement | null
-
 // in case document.x is not ready yet
+if (autoInit) {
 	setTimeout(() => {
 		let config: PageAgentConfig
 		let showPanel = true
 
-	if (currentScript) {
-		console.log('🚀 page-agent.js detected current script:', currentScript.src)
-		const url = new URL(currentScript.src)
+		if (currentScriptURL) {
+			const url = currentScriptURL
 			const model = url.searchParams.get('model') || DEMO_MODEL
 			const baseURL = url.searchParams.get('baseURL') || DEMO_BASE_URL
 			const apiKey = url.searchParams.get('apiKey') || DEMO_API_KEY
@@ -50,3 +52,4 @@ setTimeout(() => {
 
 		console.log('🚀 page-agent.js initialized with config:', window.pageAgent.config)
 	})
+}