Struct QueryEngineConfig 

pub struct QueryEngineConfig {
    pub cwd: String,
    pub model: String,
    pub api_key: Option<String>,
    pub base_url: Option<String>,
    pub tools: Vec<ToolDefinition>,
    pub system_prompt: Option<String>,
    pub max_turns: u32,
    pub max_budget_usd: Option<f64>,
    pub max_tokens: u32,
    pub can_use_tool: Option<fn(ToolDefinition, Value) -> bool>,
    pub on_event: Option<Arc<dyn Fn(AgentEvent) + Send + Sync>>,
}

Fields

cwd: String

model: String

api_key: Option<String>

base_url: Option<String>

tools: Vec<ToolDefinition>

system_prompt: Option<String>

max_turns: u32

max_budget_usd: Option<f64>

max_tokens: u32

can_use_tool: Option<fn(ToolDefinition, Value) -> bool>

Permission check function - called BEFORE tool execution Returns true if tool can be used, false if denied

on_event: Option<Arc<dyn Fn(AgentEvent) + Send + Sync>>

Callback for agent events (tool start/complete/error, thinking, done)

Trait Implementations

impl Default for QueryEngineConfig

fn default() -> Self

Returns the “default value” for a type.