fix: address widget review feedback

apps/nextjs/src/components/board/sections/gridstack/long-press.spec.ts

@@ -0,0 +1,17 @@
+import { describe, expect, test } from "vitest";
+
+import { hasExceededLongPressMoveTolerance } from "./long-press";
+
+describe("hasExceededLongPressMoveTolerance", () => {
+  test("allows small touch jitter", () => {
+    expect(hasExceededLongPressMoveTolerance({ x: 100, y: 100 }, { x: 106, y: 106 })).toBe(false);
+  });
+
+  test("allows movement exactly at the threshold", () => {
+    expect(hasExceededLongPressMoveTolerance({ x: 100, y: 100 }, { x: 106, y: 108 })).toBe(false);
+  });
+
+  test("cancels a deliberate scroll gesture", () => {
+    expect(hasExceededLongPressMoveTolerance({ x: 100, y: 100 }, { x: 100, y: 116 })).toBe(true);
+  });
+});