Struct Session 

pub struct Session {
    pub path: PathBuf,
    pub format: String,
    pub metadata: SessionMetadata,
    pub turns: Vec<Turn>,
    pub parent_id: Option<String>,
    pub agent_id: Option<String>,
    pub subagent_type: Option<String>,
}

A parsed session in unified format.

Fields

path: PathBuf

Path to the original session file.

format: String

Name of the format that parsed this session.

metadata: SessionMetadata

Session metadata (IDs, timestamps, provider info).

turns: Vec<Turn>

Conversation turns (request/response pairs).

parent_id: Option<String>

Parent session ID (set when this session is a subagent).

agent_id: Option<String>

Agent ID for subagent sessions (e.g. “agent-a5c5ccc9c2b61e757”).

subagent_type: Option<String>

Subagent type (e.g. “general-purpose”, “Explore”, “Plan”).

Implementations

impl Session

pub fn new(path: PathBuf, format: impl Into<String>) -> Self

Create a new empty session.

pub fn is_subagent(&self) -> bool

Whether this session is a subagent (has a parent session).

pub fn message_count(&self) -> usize

Total number of messages across all turns.

pub fn messages_by_role(&self, role: Role) -> usize

Count messages by role.

pub fn tool_uses(&self) -> impl Iterator<Item = (&str, &Value)>

Iterate over all tool use blocks.

pub fn tool_results(&self) -> impl Iterator<Item = (&str, bool)>

Iterate over all tool results.

pub fn total_tokens(&self) -> TokenUsage

Total token usage across all turns.

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<'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.