fix(小宝预警): 接入静默风险证据

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

@@ -128,3 +128,55 @@ test('calcXiaobaoVersionRisk preserves daily evidence on the returned risk objec
 
   assert.equal(risk.dailyEvidence, dailyEvidence);
 });
+
+test('calcXiaobaoVersionRisk uses silent risks from daily evidence', () => {
+  const silentRisk = {
+    key: 'no_progress_today',
+    title: '今日无进展',
+    detail: '进行中的任务今天没有动态。',
+    itemId: 'dev-1',
+    itemType: 'dev_task' as const,
+  };
+  const dailyEvidence: VersionDailyEvidence = {
+    todayDeliveries: [],
+    todayProgress: [],
+    todayRisks: [],
+    progressNotes: [],
+    needsProgressItems: [],
+    recentActivityCount: 0,
+    silentRisks: [silentRisk],
+  };
+
+  const risk = calcXiaobaoVersionRisk({
+    version: version(),
+    devTasks: [],
+    testCases: [],
+    bugs: [],
+    dailyEvidence,
+    now: new Date('2026-07-02T01:00:00.000Z'),
+  });
+
+  assert.deepEqual(risk.silentRisks, [silentRisk]);
+  assert.equal(risk.signals.silentRiskCount, 1);
+  assert.ok(risk.riskScore > 0);
+  assert.ok(risk.reasons.some((reason: { key: string }) => reason.key === 'silent_risk'));
+});
+
+test('calcXiaobaoVersionRisk preserves null expected release date as a compatible output value', () => {
+  const versionWithNullRelease = {
+    id: 'ver-null-release',
+    name: 'V1.1',
+    expectedReleaseDate: null,
+    members: [],
+  };
+
+  const risk = calcXiaobaoVersionRisk({
+    version: versionWithNullRelease,
+    devTasks: [],
+    testCases: [],
+    bugs: [],
+    now: new Date('2026-07-02T01:00:00.000Z'),
+  });
+
+  assert.equal(risk.expectedReleaseDate, null);
+});