fix(extension): resolve race condition in hub config and fix tab initialization crash

add: erp scrape python demo

packages/extension/src/agent/RemotePageController.ts

@@ -47,7 +47,7 @@ export class RemotePageController {
 	}
 
 	async getLastUpdateTime(): Promise<number> {
-		if (!this.currentTabId) throw new Error('tabsController not initialized.')
+		if (!this.currentTabId) return Date.now()
 		return sendMessage({
 			type: 'PAGE_CONTROL',
 			action: 'get_last_update_time',

packages/extension/src/entrypoints/hub/hub-ws.ts

@@ -218,9 +218,23 @@ export function useHubWs(
 			Number(wsPort),
 			{
 				onExecute: async (task, incomingConfig) => {
-					const { execute, configure, config } = latestRef.current
+					let { execute } = latestRef.current
+					const { configure, config } = latestRef.current
 					if (incomingConfig) {
-						await configure({ ...config, ...incomingConfig } as ExtConfig)
+						let changed = false
+						for (const key of Object.keys(incomingConfig)) {
+							if (incomingConfig[key] !== (config as any)?.[key]) {
+								changed = true
+								break
+							}
+						}
+						if (changed) {
+							await configure({ ...config, ...incomingConfig } as ExtConfig)
+							// Wait a bit for React to re-render and instantiate the new MultiPageAgent
+							await new Promise((resolve) => setTimeout(resolve, 500))
+							// Re-fetch the newly generated execute function after re-render
+							execute = latestRef.current.execute
+						}
 					}
 					const result = await execute(task)
 					return { success: result.success, data: result.data }