Function all_runs_page 

pub fn all_runs_page(
    corpus: Option<String>,
    service: Option<String>,
    owner: Option<String>,
    limit: Option<i64>,
    session: Option<AdminSession>,
    return_to: ReturnTo,
    pool: &State<DbPool>,
) -> Result<Template, AdminReject>

The system-wide run-management overview (GET /admin/runs): the most recent runs, filterable by corpus/service/owner, each linking into its per-service history + diff drill-downs. Signed-in admins only (unauthenticated → sign-in, returning here).