"""Visual Browser Use agent backed by one streamed Chromium session."""

from __future__ import annotations

from typing import AsyncGenerator, Optional

from app.agents.browser_runtime import run_persistent_browser_agent


async def run_browser_visual_agent(
    task: str,
    url: Optional[str] = None,
    *,
    research_depth: str = "normal",
) -> AsyncGenerator[dict, None]:
    """Let Browser Use research through persistent visible Chromium."""
    async for event in run_persistent_browser_agent(
        task, url, visual=True, research_depth=research_depth
    ):
        yield event