mod common;
use common::{build_facade_runner, print_run_result, ExampleConfig};
use serde_json::json;
use vv_agent::{Agent, FunctionTool, ModelRef, ToolOutput};
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let config = ExampleConfig::load();
config.ensure_workspace()?;
let runner = build_facade_runner(&config)?;
let context_tool = FunctionTool::builder("temporary_context")
.description("Return temporary runtime context for this run.")
.json_schema(json!({"type": "object", "properties": {}, "required": []}))
.handler(|_ctx, _args: serde_json::Value| async move {
Ok(ToolOutput::text(
"temporary context is available for this run",
))
})
.build()?;
let agent = Agent::builder("temporary-tool-agent")
.instructions("你必须先调用 temporary_context，再结合其结果调用 task_finish。")
.model(ModelRef::backend(
config.backend.clone(),
config.model.clone(),
))
.tool(context_tool)
.build()?;
let prompt = config
.prompt
.unwrap_or_else(|| "读取 temporary_context 并说明它的用途。".to_string());
let result = runner.run(&agent, prompt).await?;
print_run_result(&result)
}