Function read_back_restored 

pub async fn read_back_restored(
    contract: &Contract,
    load: &LoadRecord,
    endpoint: &Endpoint,
    boundary: Boundary,
    serving_unix_ms: Option<i64>,
) -> Evidence

Read every path of the restored cluster back, check each committing group’s restored offsets against its last commit before the boundary, and return the evidence the judge grades.