Struct SessionJournalSnapshot 

pub struct SessionJournalSnapshot {
    pub session_id: String,
    pub entry_count: usize,
    pub head_hash: String,
    pub data_flow: CumulativeDataFlow,
    pub tool_sequence: Vec<String>,
    pub tool_counts: HashMap<String, u64>,
    pub current_streak_tool: Option<String>,
    pub current_streak_len: u64,
}

Immutable guard-read snapshot captured under one journal lock.

Fields

session_id: String

Session identifier for the journal that produced this snapshot.

entry_count: usize

Number of entries present when the snapshot was captured.

head_hash: String

Hash of the most recent entry, or the zero hash for an empty journal.

data_flow: CumulativeDataFlow

Cumulative data flow state.

tool_sequence: Vec<String>

Ordered tool invocation sequence.

tool_counts: HashMap<String, u64>

Per-tool invocation counts.

current_streak_tool: Option<String>

The tool name of the current consecutive run (the last tool recorded), or None if nothing has been recorded. Cumulative and O(1): it survives ring eviction so a same-tool streak longer than journal_entry_cap is still counted in full.

current_streak_len: u64

Length of the current consecutive run of current_streak_tool. Resets to 1 whenever a different tool is recorded, so it stays bounded semantically (a single running count, not a growing collection).

Trait Implementations

impl Clone for SessionJournalSnapshot

fn clone(&self) -> SessionJournalSnapshot

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SessionJournalSnapshot

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SessionJournalSnapshot

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for SessionJournalSnapshot

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

where __S: Serializer,

Serialize this value into the given Serde serializer.