huskies: merge 781

This commit is contained in:
dave
2026-04-28 11:07:29 +00:00
parent 05d057a40a
commit d70719e23c
3 changed files with 407 additions and 380 deletions
+10
View File
@@ -0,0 +1,10 @@
//! LLM chat — orchestrates multi-turn conversations with tool-calling LLM providers.
mod run;
mod tools;
#[allow(unused_imports)]
pub use run::ChatResult;
pub use run::{ProviderConfig, cancel_chat, chat, get_ollama_models, side_question};
#[allow(unused_imports)]
pub use tools::get_tool_definitions;
@@ -1,17 +1,18 @@
//! LLM chat orchestrates multi-turn conversations with tool-calling LLM providers.
//! Chat orchestration: multi-turn tool loop, side questions, and cancellation.
use crate::io::onboarding;
use crate::llm::chat::tools::{execute_tool, get_tool_definitions};
use crate::llm::prompts::{ONBOARDING_PROMPT, SYSTEM_PROMPT};
use crate::llm::providers::claude_code::ClaudeCodeResult;
use crate::llm::types::{Message, Role, ToolCall, ToolDefinition, ToolFunctionDefinition};
use crate::llm::types::{Message, Role, ToolDefinition};
use crate::slog;
use crate::state::SessionState;
use crate::store::StoreOps;
use serde::Deserialize;
use serde_json::json;
const MAX_TURNS: usize = 30;
const KEY_ANTHROPIC_API_KEY: &str = "anthropic_api_key";
/// Configuration for the LLM provider used during a chat session.
#[derive(Deserialize, Clone)]
pub struct ProviderConfig {
pub provider: String,
@@ -48,95 +49,7 @@ fn get_anthropic_api_key_impl(store: &dyn StoreOps) -> Result<String, String> {
}
}
fn parse_tool_arguments(args_str: &str) -> Result<serde_json::Value, String> {
serde_json::from_str(args_str).map_err(|e| format!("Error parsing arguments: {e}"))
}
pub fn get_tool_definitions() -> Vec<ToolDefinition> {
vec![
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "read_file".to_string(),
description: "Reads the complete content of a file from the project. Use this to understand existing code before making changes.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"path": { "type": "string", "description": "Relative path to the file from project root" }
},
"required": ["path"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "write_file".to_string(),
description: "Creates or completely overwrites a file with new content. YOU MUST USE THIS to implement code changes - do not suggest code to the user. The content parameter must contain the COMPLETE file including all imports, functions, and unchanged code.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"path": { "type": "string", "description": "Relative path to the file from project root" },
"content": { "type": "string", "description": "The complete file content to write (not a diff or partial code)" }
},
"required": ["path", "content"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "list_directory".to_string(),
description: "Lists all files and directories at a given path. Use this to explore the project structure.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"path": { "type": "string", "description": "Relative path to list (use '.' for project root)" }
},
"required": ["path"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "search_files".to_string(),
description: "Searches for text patterns across all files in the project. Use this to find functions, variables, or code patterns when you don't know which file they're in."
.to_string(),
parameters: json!({
"type": "object",
"properties": {
"query": { "type": "string", "description": "The text pattern to search for across all files" }
},
"required": ["query"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "exec_shell".to_string(),
description: "Executes a shell command in the project root directory. Use this to run tests, build commands, git operations, or any command-line tool. Examples: cargo check, npm test, git status.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"command": {
"type": "string",
"description": "The command binary to execute (e.g., 'git', 'cargo', 'npm', 'ls')"
},
"args": {
"type": "array",
"items": { "type": "string" },
"description": "Array of arguments to pass to the command (e.g., ['status'] for git status)"
}
},
"required": ["command", "args"]
}),
},
},
]
}
/// Returns the list of available Ollama models from the given base URL.
pub async fn get_ollama_models(base_url: Option<String>) -> Result<Vec<String>, String> {
use crate::llm::providers::ollama::OllamaProvider;
let url = base_url.unwrap_or_else(|| "http://localhost:11434".to_string());
@@ -181,6 +94,13 @@ fn build_claude_code_context_prompt(messages: &[Message], latest_user_content: &
parts.join("\n")
}
/// Sends a signal to cancel the active chat for the given session.
pub fn cancel_chat(state: &SessionState) -> Result<(), String> {
state.cancel_tx.send(true).map_err(|e| e.to_string())?;
Ok(())
}
/// Run a multi-turn chat with tool calling against the configured provider.
#[allow(clippy::too_many_arguments)]
pub async fn chat<F, U, T, A>(
messages: Vec<Message>,
@@ -289,7 +209,7 @@ where
}
let tool_defs = get_tool_definitions();
let tools = if config.enable_tools.unwrap_or(true) {
let tools: &[ToolDefinition] = if config.enable_tools.unwrap_or(true) {
tool_defs.as_slice()
} else {
&[]
@@ -501,76 +421,12 @@ where
Ok(response.content.unwrap_or_default())
}
async fn execute_tool(call: &ToolCall, state: &SessionState) -> String {
use crate::io::{fs, search, shell};
let name = call.function.name.as_str();
let args: serde_json::Value = match parse_tool_arguments(&call.function.arguments) {
Ok(v) => v,
Err(e) => return e,
};
match name {
"read_file" => {
let path = args["path"].as_str().unwrap_or("").to_string();
match fs::read_file(path, state).await {
Ok(content) => content,
Err(e) => format!("Error: {e}"),
}
}
"write_file" => {
let path = args["path"].as_str().unwrap_or("").to_string();
let content = args["content"].as_str().unwrap_or("").to_string();
match fs::write_file(path, content, state).await {
Ok(()) => "File written successfully.".to_string(),
Err(e) => format!("Error: {e}"),
}
}
"list_directory" => {
let path = args["path"].as_str().unwrap_or("").to_string();
match fs::list_directory(path, state).await {
Ok(entries) => serde_json::to_string(&entries).unwrap_or_default(),
Err(e) => format!("Error: {e}"),
}
}
"search_files" => {
let query = args["query"].as_str().unwrap_or("").to_string();
match search::search_files(query, state).await {
Ok(results) => serde_json::to_string(&results).unwrap_or_default(),
Err(e) => format!("Error: {e}"),
}
}
"exec_shell" => {
let command = args["command"].as_str().unwrap_or("").to_string();
let args_vec: Vec<String> = args["args"]
.as_array()
.map(|arr| {
arr.iter()
.map(|v| v.as_str().unwrap_or("").to_string())
.collect()
})
.unwrap_or_default();
match shell::exec_shell(command, args_vec, state).await {
Ok(output) => serde_json::to_string(&output).unwrap_or_default(),
Err(e) => format!("Error: {e}"),
}
}
_ => format!("Unknown tool: {name}"),
}
}
pub fn cancel_chat(state: &SessionState) -> Result<(), String> {
state.cancel_tx.send(true).map_err(|e| e.to_string())?;
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
use crate::llm::types::{FunctionCall, ToolCall};
use crate::llm::types::Message;
use crate::state::SessionState;
use serde_json::json;
use crate::store::StoreOps;
use std::collections::HashMap;
use std::sync::Mutex;
@@ -618,104 +474,6 @@ mod tests {
}
}
// ---------------------------------------------------------------------------
// parse_tool_arguments
// ---------------------------------------------------------------------------
#[test]
fn parse_tool_arguments_valid_json() {
let result = parse_tool_arguments(r#"{"path": "src/main.rs"}"#);
assert!(result.is_ok());
assert_eq!(result.unwrap()["path"], json!("src/main.rs"));
}
#[test]
fn parse_tool_arguments_invalid_json() {
let result = parse_tool_arguments("not json {{{");
assert!(result.is_err());
assert!(result.unwrap_err().contains("Error parsing arguments:"));
}
#[test]
fn parse_tool_arguments_empty_object() {
let result = parse_tool_arguments("{}");
assert!(result.is_ok());
}
// ---------------------------------------------------------------------------
// get_tool_definitions
// ---------------------------------------------------------------------------
#[test]
fn tool_definitions_returns_five_tools() {
let tools = get_tool_definitions();
assert_eq!(tools.len(), 5);
}
#[test]
fn tool_definitions_has_expected_names() {
let tools = get_tool_definitions();
let names: Vec<&str> = tools.iter().map(|t| t.function.name.as_str()).collect();
assert!(names.contains(&"read_file"));
assert!(names.contains(&"write_file"));
assert!(names.contains(&"list_directory"));
assert!(names.contains(&"search_files"));
assert!(names.contains(&"exec_shell"));
}
#[test]
fn tool_definitions_each_has_function_kind() {
let tools = get_tool_definitions();
for tool in &tools {
assert_eq!(tool.kind, "function");
}
}
#[test]
fn tool_definitions_each_has_non_empty_description() {
let tools = get_tool_definitions();
for tool in &tools {
assert!(!tool.function.description.is_empty());
}
}
#[test]
fn tool_definitions_parameters_have_object_type() {
let tools = get_tool_definitions();
for tool in &tools {
assert_eq!(tool.function.parameters["type"], json!("object"));
}
}
#[test]
fn read_file_tool_requires_path_parameter() {
let tools = get_tool_definitions();
let read_file = tools
.iter()
.find(|t| t.function.name == "read_file")
.unwrap();
let required = read_file.function.parameters["required"]
.as_array()
.unwrap();
let required_names: Vec<&str> = required.iter().map(|v| v.as_str().unwrap()).collect();
assert!(required_names.contains(&"path"));
}
#[test]
fn exec_shell_tool_requires_command_and_args() {
let tools = get_tool_definitions();
let exec_shell = tools
.iter()
.find(|t| t.function.name == "exec_shell")
.unwrap();
let required = exec_shell.function.parameters["required"]
.as_array()
.unwrap();
let required_names: Vec<&str> = required.iter().map(|v| v.as_str().unwrap()).collect();
assert!(required_names.contains(&"command"));
assert!(required_names.contains(&"args"));
}
// ---------------------------------------------------------------------------
// cancel_chat
// ---------------------------------------------------------------------------
@@ -854,129 +612,6 @@ mod tests {
);
}
// ---------------------------------------------------------------------------
// execute_tool — unknown tool name (no I/O, no network)
// ---------------------------------------------------------------------------
#[tokio::test]
async fn execute_tool_returns_error_for_unknown_tool() {
let state = SessionState::default();
let call = ToolCall {
id: Some("call-1".to_string()),
kind: "function".to_string(),
function: FunctionCall {
name: "nonexistent_tool".to_string(),
arguments: "{}".to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert_eq!(result, "Unknown tool: nonexistent_tool");
}
#[tokio::test]
async fn execute_tool_returns_parse_error_for_invalid_json_args() {
let state = SessionState::default();
let call = ToolCall {
id: Some("call-2".to_string()),
kind: "function".to_string(),
function: FunctionCall {
name: "read_file".to_string(),
arguments: "INVALID JSON".to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(
result.contains("Error parsing arguments:"),
"unexpected result: {result}"
);
}
// ---------------------------------------------------------------------------
// execute_tool — tools that use SessionState (no project root → errors)
// ---------------------------------------------------------------------------
#[tokio::test]
async fn execute_tool_read_file_no_project_root_returns_error() {
let state = SessionState::default(); // no project_root set
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "read_file".to_string(),
arguments: r#"{"path": "some_file.txt"}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_write_file_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "write_file".to_string(),
arguments: r#"{"path": "out.txt", "content": "hello"}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_list_directory_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "list_directory".to_string(),
arguments: r#"{"path": "."}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_search_files_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "search_files".to_string(),
arguments: r#"{"query": "fn main"}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_exec_shell_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "exec_shell".to_string(),
arguments: r#"{"command": "ls", "args": []}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
// ---------------------------------------------------------------------------
// build_claude_code_context_prompt (Bug 245)
// ---------------------------------------------------------------------------
+382
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@@ -0,0 +1,382 @@
//! Tool definitions and execution for the LLM chat agent loop.
use crate::io::{fs, search, shell};
use crate::llm::types::{ToolCall, ToolDefinition, ToolFunctionDefinition};
use crate::state::SessionState;
use serde_json::json;
fn parse_tool_arguments(args_str: &str) -> Result<serde_json::Value, String> {
serde_json::from_str(args_str).map_err(|e| format!("Error parsing arguments: {e}"))
}
/// Returns the tool definitions available to the LLM.
pub fn get_tool_definitions() -> Vec<ToolDefinition> {
vec![
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "read_file".to_string(),
description: "Reads the complete content of a file from the project. Use this to understand existing code before making changes.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"path": { "type": "string", "description": "Relative path to the file from project root" }
},
"required": ["path"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "write_file".to_string(),
description: "Creates or completely overwrites a file with new content. YOU MUST USE THIS to implement code changes - do not suggest code to the user. The content parameter must contain the COMPLETE file including all imports, functions, and unchanged code.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"path": { "type": "string", "description": "Relative path to the file from project root" },
"content": { "type": "string", "description": "The complete file content to write (not a diff or partial code)" }
},
"required": ["path", "content"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "list_directory".to_string(),
description: "Lists all files and directories at a given path. Use this to explore the project structure.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"path": { "type": "string", "description": "Relative path to list (use '.' for project root)" }
},
"required": ["path"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "search_files".to_string(),
description: "Searches for text patterns across all files in the project. Use this to find functions, variables, or code patterns when you don't know which file they're in."
.to_string(),
parameters: json!({
"type": "object",
"properties": {
"query": { "type": "string", "description": "The text pattern to search for across all files" }
},
"required": ["query"]
}),
},
},
ToolDefinition {
kind: "function".to_string(),
function: ToolFunctionDefinition {
name: "exec_shell".to_string(),
description: "Executes a shell command in the project root directory. Use this to run tests, build commands, git operations, or any command-line tool. Examples: cargo check, npm test, git status.".to_string(),
parameters: json!({
"type": "object",
"properties": {
"command": {
"type": "string",
"description": "The command binary to execute (e.g., 'git', 'cargo', 'npm', 'ls')"
},
"args": {
"type": "array",
"items": { "type": "string" },
"description": "Array of arguments to pass to the command (e.g., ['status'] for git status)"
}
},
"required": ["command", "args"]
}),
},
},
]
}
/// Executes a tool call and returns the string result.
pub(crate) async fn execute_tool(call: &ToolCall, state: &SessionState) -> String {
let name = call.function.name.as_str();
let args: serde_json::Value = match parse_tool_arguments(&call.function.arguments) {
Ok(v) => v,
Err(e) => return e,
};
match name {
"read_file" => {
let path = args["path"].as_str().unwrap_or("").to_string();
match fs::read_file(path, state).await {
Ok(content) => content,
Err(e) => format!("Error: {e}"),
}
}
"write_file" => {
let path = args["path"].as_str().unwrap_or("").to_string();
let content = args["content"].as_str().unwrap_or("").to_string();
match fs::write_file(path, content, state).await {
Ok(()) => "File written successfully.".to_string(),
Err(e) => format!("Error: {e}"),
}
}
"list_directory" => {
let path = args["path"].as_str().unwrap_or("").to_string();
match fs::list_directory(path, state).await {
Ok(entries) => serde_json::to_string(&entries).unwrap_or_default(),
Err(e) => format!("Error: {e}"),
}
}
"search_files" => {
let query = args["query"].as_str().unwrap_or("").to_string();
match search::search_files(query, state).await {
Ok(results) => serde_json::to_string(&results).unwrap_or_default(),
Err(e) => format!("Error: {e}"),
}
}
"exec_shell" => {
let command = args["command"].as_str().unwrap_or("").to_string();
let args_vec: Vec<String> = args["args"]
.as_array()
.map(|arr| {
arr.iter()
.map(|v| v.as_str().unwrap_or("").to_string())
.collect()
})
.unwrap_or_default();
match shell::exec_shell(command, args_vec, state).await {
Ok(output) => serde_json::to_string(&output).unwrap_or_default(),
Err(e) => format!("Error: {e}"),
}
}
_ => format!("Unknown tool: {name}"),
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::llm::types::FunctionCall;
use crate::state::SessionState;
use serde_json::json;
// ---------------------------------------------------------------------------
// parse_tool_arguments
// ---------------------------------------------------------------------------
#[test]
fn parse_tool_arguments_valid_json() {
let result = parse_tool_arguments(r#"{"path": "src/main.rs"}"#);
assert!(result.is_ok());
assert_eq!(result.unwrap()["path"], json!("src/main.rs"));
}
#[test]
fn parse_tool_arguments_invalid_json() {
let result = parse_tool_arguments("not json {{{");
assert!(result.is_err());
assert!(result.unwrap_err().contains("Error parsing arguments:"));
}
#[test]
fn parse_tool_arguments_empty_object() {
let result = parse_tool_arguments("{}");
assert!(result.is_ok());
}
// ---------------------------------------------------------------------------
// get_tool_definitions
// ---------------------------------------------------------------------------
#[test]
fn tool_definitions_returns_five_tools() {
let tools = get_tool_definitions();
assert_eq!(tools.len(), 5);
}
#[test]
fn tool_definitions_has_expected_names() {
let tools = get_tool_definitions();
let names: Vec<&str> = tools.iter().map(|t| t.function.name.as_str()).collect();
assert!(names.contains(&"read_file"));
assert!(names.contains(&"write_file"));
assert!(names.contains(&"list_directory"));
assert!(names.contains(&"search_files"));
assert!(names.contains(&"exec_shell"));
}
#[test]
fn tool_definitions_each_has_function_kind() {
let tools = get_tool_definitions();
for tool in &tools {
assert_eq!(tool.kind, "function");
}
}
#[test]
fn tool_definitions_each_has_non_empty_description() {
let tools = get_tool_definitions();
for tool in &tools {
assert!(!tool.function.description.is_empty());
}
}
#[test]
fn tool_definitions_parameters_have_object_type() {
let tools = get_tool_definitions();
for tool in &tools {
assert_eq!(tool.function.parameters["type"], json!("object"));
}
}
#[test]
fn read_file_tool_requires_path_parameter() {
let tools = get_tool_definitions();
let read_file = tools
.iter()
.find(|t| t.function.name == "read_file")
.unwrap();
let required = read_file.function.parameters["required"]
.as_array()
.unwrap();
let required_names: Vec<&str> = required.iter().map(|v| v.as_str().unwrap()).collect();
assert!(required_names.contains(&"path"));
}
#[test]
fn exec_shell_tool_requires_command_and_args() {
let tools = get_tool_definitions();
let exec_shell = tools
.iter()
.find(|t| t.function.name == "exec_shell")
.unwrap();
let required = exec_shell.function.parameters["required"]
.as_array()
.unwrap();
let required_names: Vec<&str> = required.iter().map(|v| v.as_str().unwrap()).collect();
assert!(required_names.contains(&"command"));
assert!(required_names.contains(&"args"));
}
// ---------------------------------------------------------------------------
// execute_tool — unknown tool name (no I/O, no network)
// ---------------------------------------------------------------------------
#[tokio::test]
async fn execute_tool_returns_error_for_unknown_tool() {
let state = SessionState::default();
let call = ToolCall {
id: Some("call-1".to_string()),
kind: "function".to_string(),
function: FunctionCall {
name: "nonexistent_tool".to_string(),
arguments: "{}".to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert_eq!(result, "Unknown tool: nonexistent_tool");
}
#[tokio::test]
async fn execute_tool_returns_parse_error_for_invalid_json_args() {
let state = SessionState::default();
let call = ToolCall {
id: Some("call-2".to_string()),
kind: "function".to_string(),
function: FunctionCall {
name: "read_file".to_string(),
arguments: "INVALID JSON".to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(
result.contains("Error parsing arguments:"),
"unexpected result: {result}"
);
}
// ---------------------------------------------------------------------------
// execute_tool — tools that use SessionState (no project root → errors)
// ---------------------------------------------------------------------------
#[tokio::test]
async fn execute_tool_read_file_no_project_root_returns_error() {
let state = SessionState::default(); // no project_root set
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "read_file".to_string(),
arguments: r#"{"path": "some_file.txt"}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_write_file_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "write_file".to_string(),
arguments: r#"{"path": "out.txt", "content": "hello"}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_list_directory_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "list_directory".to_string(),
arguments: r#"{"path": "."}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_search_files_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "search_files".to_string(),
arguments: r#"{"query": "fn main"}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
#[tokio::test]
async fn execute_tool_exec_shell_no_project_root_returns_error() {
let state = SessionState::default();
let call = ToolCall {
id: None,
kind: "function".to_string(),
function: FunctionCall {
name: "exec_shell".to_string(),
arguments: r#"{"command": "ls", "args": []}"#.to_string(),
},
};
let result = execute_tool(&call, &state).await;
assert!(result.starts_with("Error:"), "unexpected result: {result}");
}
}