feat(小宝预警): 增加趋势与解读缓存

apps/web/lib/xiaobao-risk.ts

@@ -3,6 +3,7 @@ import type { DevTask } from './dev-task';
 import { STATUS_PROGRESS, getEstimateHours } from './dev-task';
 import type { TestCase } from './test-case';
 import { getTestCaseEstimateHours } from './test-case';
+import type { XiaobaoRiskInsight } from './xiaobao-risk-cache';
 import type { VersionDailyEvidence } from './xiaobao-risk-evidence';
 import { summarizeRiskTrendWithCurrent, type XiaobaoRiskSnapshot } from './xiaobao-risk-trend';
 import { WORK_HOURS, addWorkHours } from './work-hours';
@@ -61,6 +62,7 @@ export interface XiaobaoVersionRisk {
   dailyEvidence?: VersionDailyEvidence;
   signals: XiaobaoRiskSignals;
   currentSnapshot: XiaobaoRiskSnapshot;
+  aiInsight?: XiaobaoRiskInsight;
   trend: {
     direction: 'up' | 'down' | 'flat' | 'unknown';
     delta: number;