use agent_client_protocol as acp;use anyhow::Result;use gpui::{App, SharedString, Task};use schemars::JsonSchema;use serde::{Deserialize, Serialize};use std::sync::Arc; use crate::{AgentTool, ToolCallEventStream}; /// A tool for thinking through problems, brainstorming ideas, or planning without executing any actions./// Use this tool when you need to work through complex problems, develop strategies, or outline approaches before taking action.#[derive(Debug, Serialize, Deserialize, JsonSchema)]pub struct ThinkingToolInput {    /// Content to think about. This should be a description of what to think about or a problem to solve.    content: String,} pub struct ThinkingTool; impl AgentTool for ThinkingTool {    type Input = ThinkingToolInput;    type Output = String;     fn name() -> &'static str {        "thinking"    }     fn kind() -> acp::ToolKind {        acp::ToolKind::Think    }     fn initial_title(        &self,        _input: Result<Self::Input, serde_json::Value>,        _cx: &mut App,    ) -> SharedString {        "Thinking".into()    }     fn run(        self: Arc<Self>,        input: Self::Input,        event_stream: ToolCallEventStream,        _cx: &mut App,    ) -> Task<Result<String>> {        event_stream            .update_fields(acp::ToolCallUpdateFields::new().content(vec![input.content.into()]));        Task::ready(Ok("Finished thinking.".to_string()))    }}