Function admit_finding_drafts 

pub fn admit_finding_drafts(
    store: &mut SessionReviewStoreV1,
    scenario_id: &str,
    source_review_id: &str,
    observed_at_ms: u64,
    drafts: Vec<ReviewFindingDraft>,
) -> Result<usize, SessionReviewError>

Admit scenario drafts into the durable session review store.