browser-use 0.2.3

use crate::error::{BrowserError, Result};
use crate::tools::{Tool, ToolContext, ToolResult};
use schemars::JsonSchema;
use serde::{Deserialize, Serialize};

/// Parameters for the go_back tool (no parameters needed)
#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema)]
pub struct GoBackParams {}

/// Tool for navigating back in browser history
#[derive(Default)]
pub struct GoBackTool;

impl Tool for GoBackTool {
    type Params = GoBackParams;

    fn name(&self) -> &str {
        "go_back"
    }

    fn execute_typed(
        &self,
        _params: GoBackParams,
        context: &mut ToolContext,
    ) -> Result<ToolResult> {
        context
            .session
            .go_back()
            .map_err(|e| BrowserError::ToolExecutionFailed {
                tool: "go_back".to_string(),
                reason: e.to_string(),
            })?;

        // Get current URL after going back
        let current_url = context.session.tab()?.get_url();

        Ok(ToolResult::success_with(serde_json::json!({
            "message": "Navigated back in history",
            "url": current_url
        })))
    }
}