feat(verifier): wire longPresses and scrolls generators

pkg/spec/test/folio-balance-predicate.test.ts

@@ -1,42 +0,0 @@
-import assert from "node:assert/strict";
-import { test } from "node:test";
-
-import {
-  balanceMatchesAddedSum,
-  type LedgerRow,
-} from "../../../examples/folio/sanderling/predicates.ts";
-
-function row(key: string, signed: number): LedgerRow {
-  return { key, signed };
-}
-
-test("single new row whose signed amount matches the balance delta holds", () => {
-  const previous: LedgerRow[] = [row("a", 100)];
-  const current: LedgerRow[] = [row("a", 100), row("b", 500)];
-  assert.equal(balanceMatchesAddedSum(previous, current, 100, 600), true);
-});
-
-test("two new rows whose sum matches the balance delta holds", () => {
-  const previous: LedgerRow[] = [];
-  const current: LedgerRow[] = [row("a", 500), row("b", 300)];
-  assert.equal(balanceMatchesAddedSum(previous, current, 0, 800), true);
-});
-
-test("double-submit case: two identical rows with sum exceeding the delta violates", () => {
-  const previous: LedgerRow[] = [];
-  const current: LedgerRow[] = [row("a", 500), row("b", 500)];
-  assert.equal(balanceMatchesAddedSum(previous, current, 0, 500), false);
-});
-
-test("partial-credit case: two new rows whose sum falls short of the delta violates", () => {
-  const previous: LedgerRow[] = [];
-  const current: LedgerRow[] = [row("a", 200), row("b", 100)];
-  assert.equal(balanceMatchesAddedSum(previous, current, 0, 500), false);
-});
-
-test("no new rows holds vacuously regardless of balance delta", () => {
-  const previous: LedgerRow[] = [row("a", 100)];
-  const current: LedgerRow[] = [row("a", 100)];
-  assert.equal(balanceMatchesAddedSum(previous, current, 100, 100), true);
-  assert.equal(balanceMatchesAddedSum(previous, current, 100, 999), true);
-});