fix(data): 清理旧数据并保护服务端写入

apps/web/lib/requirement-scope.test.ts

@@ -4,6 +4,7 @@ import assert from 'node:assert/strict';
 import type { Requirement } from './requirement';
 import {
   buildRequirementScopeTree,
+  filterRequirementScopeTreeByKeyword,
   filterRequirementsByScope,
   type RequirementScopeSelection,
 } from './requirement-scope';
@@ -84,3 +85,21 @@ test('builds product and project tree counts from requirements', () => {
   assert.equal(tree[0].projects[1].count.total, 1);
   assert.equal(tree[1].count.total, 1);
 });
+
+test('filters requirement scope tree by product or project keyword', () => {
+  const tree = buildRequirementScopeTree(overview, [
+    req('req-1', 'product-1', 'project-1', 'pending_review'),
+    req('req-2', 'product-1', 'project-2', 'developing'),
+    req('req-3', 'product-2', 'project-3', 'closed'),
+  ]);
+
+  const productMatched = filterRequirementScopeTreeByKeyword(tree, 'crm');
+  assert.deepEqual(productMatched.map((product) => product.id), ['product-1']);
+  assert.deepEqual(productMatched[0].projects.map((project) => project.id), ['project-1', 'project-2']);
+
+  const projectMatched = filterRequirementScopeTreeByKeyword(tree, 'admin');
+  assert.deepEqual(projectMatched.map((product) => product.id), ['product-1']);
+  assert.deepEqual(projectMatched[0].projects.map((project) => project.id), ['project-2']);
+
+  assert.equal(filterRequirementScopeTreeByKeyword(tree, 'missing').length, 0);
+});