Struct SessionStepLedger 

pub struct SessionStepLedger { /* private fields */ }

In-memory, session-scoped StepLedger — pure (no fs). A Vec in plan order; deterministic (no clock/uuid) for stable tests.

Trait Implementations

impl Default for SessionStepLedger

fn default() -> SessionStepLedger

Returns the “default value” for a type.

impl StepLedger for SessionStepLedger

fn set_plan(&self, steps: &[String]) -> usize

Replace the plan with a fresh ordered list — the first step becomes Active, the rest Todo. Blank descriptions are dropped; capped at [MAX_STEPS]. Returns the number of steps actually set.

fn advance(&self) -> Option<String>

Mark the Active step Done and activate the next Todo. Returns the new active step’s description, or None when the plan is complete/empty.

fn steps(&self) -> Vec<Step>

A snapshot of the steps (for the <plan> block).

fn count(&self) -> u64

Total steps (for /context stats).

fn done_count(&self) -> u64

Completed steps (for /context stats).

fn clear(&self)

Drop the plan (/new).

fn snapshot(&self) -> PlanSnapshot

A full-state PlanSnapshot for persistence/resume (#715): the ordered steps with each one’s status, so a later Self::restore reinstates the ledger EXACTLY (unlike Self::set_plan, which resets every status).

fn restore(&self, snap: &PlanSnapshot)

Restore the ledger from a PlanSnapshot (#715) — replaces the steps and their statuses verbatim (a full clear + replace, the inverse of Self::snapshot). An empty snapshot leaves the ledger empty.