fix(小宝预警): 修正趋势快照 Bug 计数

apps/web/lib/xiaobao-risk-trend.test.ts

@@ -1,6 +1,8 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
 
+import type { Bug } from './bug';
+import { calcXiaobaoVersionRisk } from './xiaobao-risk';
 import { buildRiskSignature, summarizeRiskTrend } from './xiaobao-risk-trend';
 import type { XiaobaoRiskSnapshot } from './xiaobao-risk-trend';
 
@@ -38,3 +40,43 @@ test('buildRiskSignature changes when score and bug counts change', () => {
 
   assert.notEqual(base, changed);
 });
+
+test('calcXiaobaoVersionRisk uses all open bugs in the current trend snapshot signature', () => {
+  const now = new Date('2026-07-02T01:00:00.000Z');
+  const risk = calcXiaobaoVersionRisk({
+    version: {
+      id: 'ver-1',
+      name: 'V1.0',
+      expectedReleaseDate: '2026-07-03T10:00:00.000Z',
+      members: [{ name: 'Alice' }],
+    },
+    devTasks: [],
+    testCases: [],
+    bugs: [bug({ severity: 'major', priority: 'P2' })],
+    now,
+  });
+
+  assert.equal(risk.signals.openBugCount, 1);
+  assert.equal(risk.signals.criticalBugCount, 0);
+  assert.equal(risk.currentSnapshot.openBugCount, 1);
+  assert.equal(buildRiskSignature(risk.currentSnapshot).split('|')[5], '1');
+});
+
+function bug(patch: Partial<Bug> = {}): Bug {
+  return {
+    id: 'bug-1',
+    bugNo: 'BUG-001',
+    versionId: 'ver-1',
+    testCaseId: 'tc-1',
+    title: 'Non-critical open bug',
+    description: 'Open but not critical.',
+    severity: 'major',
+    priority: 'P2',
+    reportedBy: 'qa-1',
+    assigneeId: 'dev-1',
+    status: 'open',
+    createdAt: '2026-07-01T09:00:00.000Z',
+    updatedAt: '2026-07-01T09:00:00.000Z',
+    ...patch,
+  };
+}