feat(v2.2): 完成高频读取热路径

apps/web/lib/version-data-scope.test.ts

@@ -1,7 +1,7 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
 
-import { buildVersionDataScope, buildVersionDataScopeMap } from './version-data-scope';
+import { buildVersionDataScope, buildVersionDataScopeMap, selectVersionDataScope } from './version-data-scope';
 import type { Bug } from './bug';
 import type { DevTask } from './dev-task';
 import type { OvertimeRecord } from './overtime';
@@ -169,3 +169,53 @@ test('buildVersionDataScopeMap indexes many versions in one pass', () => {
   assert.deepEqual(scopeMap['version-empty'].requirements, []);
   assert.deepEqual(Object.keys(scopeMap).sort(), ['version-1', 'version-2', 'version-empty']);
 });
+
+test('selectVersionDataScope prefers non-empty V2.2 scope but keeps AppData overtime records', () => {
+  const appDataScope = buildVersionDataScope({
+    versionId: 'version-1',
+    requirements: [requirement('req-app', 'version-1')],
+    plans: [plan('plan-app', 'version-1', 'research')],
+    devTasks: [devTask('dev-app', { versionId: 'version-1' })],
+    testCases: [testCase('tc-app', 'version-1')],
+    bugs: [bug('bug-app', 'version-1')],
+    overtimeRecords: [overtime('ot-app', 'version-1')],
+  });
+  const v22Scope = buildVersionDataScope({
+    versionId: 'version-1',
+    requirements: [requirement('req-v22', 'version-1')],
+    plans: [plan('plan-v22', 'version-1', 'product')],
+    devTasks: [devTask('dev-v22', { versionId: 'version-1' })],
+    testCases: [],
+    bugs: [],
+    overtimeRecords: [],
+  });
+
+  const selected = selectVersionDataScope({ appDataScope, v22Scope });
+
+  assert.equal(selected?.requirements[0].id, 'req-v22');
+  assert.equal(selected?.plans[0].id, 'plan-v22');
+  assert.deepEqual(selected?.overtimeRecords.map((item) => item.id), ['ot-app']);
+});
+
+test('selectVersionDataScope falls back to AppData when V2.2 scope is empty', () => {
+  const appDataScope = buildVersionDataScope({
+    versionId: 'version-1',
+    requirements: [requirement('req-app', 'version-1')],
+    plans: [],
+    devTasks: [],
+    testCases: [],
+    bugs: [],
+  });
+  const emptyV22Scope = buildVersionDataScope({
+    versionId: 'version-1',
+    requirements: [],
+    plans: [],
+    devTasks: [],
+    testCases: [],
+    bugs: [],
+  });
+
+  const selected = selectVersionDataScope({ appDataScope, v22Scope: emptyV22Scope });
+
+  assert.equal(selected?.requirements[0].id, 'req-app');
+});