fix(任务): 修复快速创建导致的重复ID

apps/web/lib/entity-id.test.ts

@@ -0,0 +1,27 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+
+import { createEntityId, dedupeEntityIds } from './entity-id';
+
+test('createEntityId stays unique within the same millisecond', () => {
+  const ids = Array.from({ length: 20 }, () => createEntityId('task', 1782361373857));
+
+  assert.equal(new Set(ids).size, ids.length);
+});
+
+test('dedupeEntityIds rewrites duplicate ids while preserving the first item id', () => {
+  const result = dedupeEntityIds(
+    [
+      { id: 'task-1', title: 'A' },
+      { id: 'task-1', title: 'B' },
+      { id: 'task-2', title: 'C' },
+      { id: 'task-1', title: 'D' },
+    ],
+    'task',
+    1782361373857,
+  );
+
+  assert.equal(result.changed, true);
+  assert.equal(result.items[0].id, 'task-1');
+  assert.equal(new Set(result.items.map((item) => item.id)).size, result.items.length);
+});