Struct Session 

pub struct Session {

    pub session_id: SessionId,
    pub agent_id: AgentId,
    pub state: AgentState,
    pub iteration: i32,
    pub max_iterations: i32,
    pub messages: Vec<Message>,
    pub tools_registered: Vec<String>,
    pub tool_calls_pending: Vec<ToolCall>,
    pub tool_results_cache: Vec<ToolResult>,
    pub model: String,
    pub temperature: f32,
    pub system_prompt: String,
    pub tokens_total: i64,
    pub tokens_prompt: i64,
    pub tokens_completion: i64,
    pub cost_estimate: f64,
    pub created_at: DateTime<Utc>,
    pub last_updated: DateTime<Utc>,
    pub checkpoint_count: i32,
    pub max_messages: usize,
    pub max_tools: usize,
}

会话状态

Fields

session_id: SessionId

会话 ID

agent_id: AgentId

Agent ID

state: AgentState

当前状态

iteration: i32

当前迭代次数

max_iterations: i32

最大迭代次数

messages: Vec<Message>

消息历史

tools_registered: Vec<String>

已注册工具

tool_calls_pending: Vec<ToolCall>

待处理的工具调用

tool_results_cache: Vec<ToolResult>

工具结果缓存

model: String

模型名称

temperature: f32

温度参数

system_prompt: String

系统提示词

tokens_total: i64

Token 使用统计

tokens_prompt: i64

tokens_completion: i64

cost_estimate: f64

成本估算

created_at: DateTime<Utc>

创建时间

last_updated: DateTime<Utc>

最后更新时间

checkpoint_count: i32

检查点计数

max_messages: usize

最大消息数量

max_tools: usize

最大工具数量

Implementations

impl Session

pub fn new(config: &SessionConfig) -> Self

创建新会话

pub fn add_user_message(&mut self, content: &str)

添加用户消息

pub fn add_assistant_message(&mut self, content: &str)

添加助手消息

pub fn add_system_message(&mut self, content: &str)

添加系统消息

pub fn register_tool(&mut self, tool_name: &str)

注册工具，如果超过上限则移除最旧的

pub fn touch(&mut self)

更新最后修改时间

pub fn can_continue(&self) -> bool

检查是否可以继续执行

pub fn to_json(&self) -> Result<String>

序列化为 JSON

pub fn from_json(json: &str) -> Result<Self>

从 JSON 反序列化

pub fn to_dict(&self) -> Value

转换为字典（兼容 Python 版本）

Trait Implementations

impl Clone for Session

fn clone(&self) -> Session

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Session

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Session

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Session

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Session

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.