Function load_tenant_traces 

pub fn load_tenant_traces(
    db_path: impl AsRef<Path>,
    tenant: &str,
) -> Result<Vec<Trace>, StoreError>

Tenant-scoped read: only traces owned by tenant, in seq order (ADR 0004 §D3). Tenant A can never see tenant B’s traces through this path.

Errors

Returns StoreError::Sqlite on a database error, or StoreError::Json if a stored row is not valid trace JSON.