fix(data): 清理旧数据并保护服务端写入

apps/web/lib/requirement-source-target.test.ts

@@ -0,0 +1,35 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+
+import type { SourceTarget } from './requirement';
+import {
+  filterSourceTargetsByKeyword,
+  formatSourceTargetSelection,
+  parseSourceTargetSelection,
+} from './requirement';
+
+const targets: SourceTarget[] = [
+  { id: 'st-1', name: 'Alpha Bank', sourceType: 'customer', createdAt: '2026-07-01' },
+  { id: 'st-2', name: 'Beta Retail', sourceType: 'customer', createdAt: '2026-07-01' },
+  { id: 'st-3', name: 'Product Team', sourceType: 'internal', createdAt: '2026-07-01' },
+];
+
+test('parses and formats requirement source target multi-selection', () => {
+  assert.deepEqual(parseSourceTargetSelection('Alpha Bank、 Beta Retail, Product Team，Alpha Bank'), [
+    'Alpha Bank',
+    'Beta Retail',
+    'Product Team',
+  ]);
+  assert.equal(formatSourceTargetSelection(['Alpha Bank', '', 'Beta Retail', 'Alpha Bank']), 'Alpha Bank、Beta Retail');
+});
+
+test('filters source targets by source type and keyword', () => {
+  assert.deepEqual(
+    filterSourceTargetsByKeyword(targets, 'customer', 'bank').map((target) => target.id),
+    ['st-1'],
+  );
+  assert.deepEqual(
+    filterSourceTargetsByKeyword(targets, 'internal', '').map((target) => target.id),
+    ['st-3'],
+  );
+});