chore: import upstream snapshot with attribution

examples/beta_agent/basic.py

@@ -0,0 +1,37 @@
+"""Run the Rust-backed Browser Use Agent.
+
+Set BROWSER_USE_TERMINAL_BINARY when the terminal binary is not on PATH.
+Set BU_CDP_URL or BROWSER_USE_CDP_URL to attach to a remote Browser Use cloud browser.
+"""
+
+import asyncio
+import os
+
+from browser_use.beta import Agent, BrowserSession, ChatBrowserUse
+
+# from browser_use.beta import ChatOpenAI  # ChatOpenAI(model='gpt-5.5')
+# from browser_use.beta import ChatGoogle  # ChatGoogle(model='gemini-3.1-pro-preview')
+# from browser_use.beta import ChatAnthropic  # ChatAnthropic(model='claude-opus-4-8')
+
+
+async def main() -> None:
+	cdp_url = os.environ.get('BU_CDP_URL') or os.environ.get('BROWSER_USE_CDP_URL')
+	browser_session = BrowserSession(cdp_url=cdp_url) if cdp_url else None
+	task = os.environ.get('BU_TASK', 'Open https://example.com and report the page title.')
+	max_steps = int(os.environ.get('BU_MAX_STEPS', '20'))
+
+	agent = Agent(
+		task=task,
+		llm=ChatBrowserUse(model='openai/gpt-5.5'),
+		# llm=ChatBrowserUse(),  # Browser Use's own optimized model (bu-2-0)
+		# llm=ChatOpenAI(model='gpt-5.5'),
+		# llm=ChatGoogle(model='gemini-3.1-pro-preview'),
+		# llm=ChatAnthropic(model='claude-opus-4-8'),  # Sonnet also works well.
+		browser_session=browser_session,
+	)
+	history = await agent.run(max_steps=max_steps)
+	print(history.final_result() or '(no final result)')
+
+
+if __name__ == '__main__':
+	asyncio.run(main())