rho-coding-agent 0.4.0

A lightweight agent harness inspired by Pi
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

use crate::tool::*;
use serde::Deserialize;
use serde_json::json;

pub struct ListDir;
#[derive(Deserialize)]
struct Args {
    path: String,
}

#[async_trait::async_trait]
impl Tool for ListDir {
    fn spec(&self) -> ToolSpec {
        ToolSpec {
            name: "list_dir".into(),
            description: "Lists a directory.".into(),
            input_schema: json!({"type":"object","properties":{"path":{"type":"string"}},"required":["path"]}),
        }
    }
    async fn call(
        &self,
        args: serde_json::Value,
        ctx: ToolContext,
        id: String,
    ) -> Result<ToolResult, ToolError> {
        let args: Args = serde_json::from_value(args)?;
        let path = resolve_path(&ctx.cwd, &args.path);
        let mut lines = Vec::new();
        for entry in std::fs::read_dir(path)? {
            let entry = entry?;
            let ty = entry.file_type()?;
            let suffix = if ty.is_dir() { "/" } else { "" };
            lines.push(format!("{}{}", entry.file_name().to_string_lossy(), suffix));
        }
        lines.sort();
        Ok(ToolResult {
            id,
            ok: true,
            content: truncate(lines.join("\n"), ctx.max_output_bytes),
        })
    }
}