cersei-tools 0.1.9

Tool trait, built-in tools, and permission system for the Cersei SDK
Documentation 
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//! File write tool.

use super::*;
use crate::tool_primitives::fs as pfs;
use serde::Deserialize;

pub struct FileWriteTool;

#[async_trait]
impl Tool for FileWriteTool {
    fn name(&self) -> &str {
        "Write"
    }
    fn description(&self) -> &str {
        "Write content to a file, creating it if it doesn't exist."
    }
    fn permission_level(&self) -> PermissionLevel {
        PermissionLevel::Write
    }
    fn category(&self) -> ToolCategory {
        ToolCategory::FileSystem
    }

    fn input_schema(&self) -> Value {
        serde_json::json!({
            "type": "object",
            "properties": {
                "file_path": { "type": "string", "description": "Absolute path to the file" },
                "content": { "type": "string", "description": "Content to write" }
            },
            "required": ["file_path", "content"]
        })
    }

    async fn execute(&self, input: Value, _ctx: &ToolContext) -> ToolResult {
        #[derive(Deserialize)]
        struct Input {
            file_path: String,
            content: String,
        }

        let input: Input = match serde_json::from_value(input) {
            Ok(i) => i,
            Err(e) => return ToolResult::error(format!("Invalid input: {}", e)),
        };

        let path = std::path::Path::new(&input.file_path);
        match pfs::write_file(path, &input.content).await {
            Ok(()) => {
                ToolResult::success(format!("File created successfully at: {}", input.file_path))
            }
            Err(e) => ToolResult::error(format!("Failed to write file: {}", e)),
        }
    }
}