fix(小宝预警): 等待缓存加载后再触发AI建议

apps/web/app/xiaobao-warning/page.tsx

@@ -18,7 +18,7 @@ import { useWorkActivityStore } from '@/stores/useWorkActivityStore';
 import { useXiaobaoRiskStore } from '@/stores/useXiaobaoRiskStore';
 import { flattenVersions } from '@/lib/derive';
 import { calcXiaobaoVersionRisk, type XiaobaoVersionRisk } from '@/lib/xiaobao-risk';
-import { buildRiskInsightSignature, findLatestRiskInsightForVersion, findPreviousRiskSnapshot, getReusableInsight, requestRiskInsight, shouldRequestRiskInsightWithCooldown } from '@/lib/xiaobao-risk-ai';
+import { buildRiskInsightSignature, findPreviousRiskSnapshot, getReusableInsight, requestRiskInsight, shouldRequestRiskInsightWithCacheGate } from '@/lib/xiaobao-risk-ai';
 import { buildVersionDailyEvidence, buildXiaobaoWorkItems } from '@/lib/xiaobao-risk-evidence';
 import { buildRiskSignature, findLatestDailySnapshot, shouldSaveRiskSnapshot } from '@/lib/xiaobao-risk-trend';
 import { filterXiaobaoWarningVersions, sanitizeRiskInsight } from '@/lib/xiaobao-warning-view';
@@ -45,7 +45,7 @@ function XiaobaoWarningContent() {
   const { bugs, fetchBugs } = useBugStore();
   const { activities, fetchActivities } = useWorkActivityStore();
   const { worklogs, fetchWorklogs } = useTaskWorklogStore();
-  const { snapshots, insights, fetchRiskData, saveSnapshot, saveInsight } = useXiaobaoRiskStore();
+  const { snapshots, insights, riskDataLoaded, fetchRiskData, saveSnapshot, saveInsight } = useXiaobaoRiskStore();
   const [selectedRiskId, setSelectedRiskId] = useState<string | null>(null);
   const [filter, setFilter] = useState<RiskFilter>('all');
   const [calculationNow] = useState(() => new Date());
@@ -142,10 +142,8 @@ function XiaobaoWarningContent() {
 
   useEffect(() => {
     risks.forEach((risk) => {
-      if (getReusableInsight(insights, risk)) return;
       const previous = findPreviousRiskSnapshot(snapshots, risk.versionId, today);
-      const latestInsight = findLatestRiskInsightForVersion(insights, risk.versionId);
-      if (!shouldRequestRiskInsightWithCooldown(risk, previous, latestInsight)) return;
+      if (!shouldRequestRiskInsightWithCacheGate(riskDataLoaded, insights, risk, previous)) return;
       const signature = buildRiskInsightSignature(risk);
       const key = `${risk.versionId}:${signature}`;
       if (requestedInsightKeysRef.current.has(key)) return;
@@ -161,7 +159,7 @@ function XiaobaoWarningContent() {
         }).catch(() => {});
       }).catch(() => {});
     });
-  }, [insights, risks, saveInsight, snapshots, today]);
+  }, [insights, riskDataLoaded, risks, saveInsight, snapshots, today]);
 
   const risksWithInsight = useMemo(() => risks.map((risk) => {
     const cached = getReusableInsight(insights, risk);

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

@@ -8,6 +8,7 @@ import {
   findLatestRiskInsightForVersion,
   findPreviousRiskSnapshot,
   shouldRequestRiskInsight,
+  shouldRequestRiskInsightWithCacheGate,
   shouldRequestRiskInsightWithCooldown,
 } from './xiaobao-risk-ai';
 import type { XiaobaoRiskInsightCacheItem } from './xiaobao-risk-cache';
@@ -243,6 +244,41 @@ test('shouldRequestRiskInsightWithCooldown bypasses cooldown when risk level esc
   assert.equal(shouldRequestRiskInsightWithCooldown(current, snapshot({ riskScore: 50 }), previousInsight, new Date('2026-06-29T11:00:00.000Z')), true);
 });
 
+test('shouldRequestRiskInsightWithCacheGate waits for cache loading before AI requests', () => {
+  const current = risk({ riskLevel: 'at_risk', riskScore: 82 });
+
+  assert.equal(
+    shouldRequestRiskInsightWithCacheGate(false, [], current, snapshot({ riskScore: 45 }), new Date('2026-06-29T11:00:00.000Z')),
+    false,
+  );
+});
+
+test('shouldRequestRiskInsightWithCacheGate reuses unchanged cached insight after cache loading', () => {
+  const current = risk({ riskLevel: 'at_risk', riskScore: 82 });
+  const cached = insight({
+    riskSignature: buildRiskInsightSignature(current),
+    generatedAt: '2026-06-29T02:00:00.000Z',
+  });
+
+  assert.equal(
+    shouldRequestRiskInsightWithCacheGate(true, [cached], current, snapshot({ riskScore: 45 }), new Date('2026-06-29T11:00:00.000Z')),
+    false,
+  );
+});
+
+test('shouldRequestRiskInsightWithCacheGate allows changed risk facts after cache loading and cooldown', () => {
+  const current = risk({ riskLevel: 'at_risk', riskScore: 82 });
+  const previousInsight = insight({
+    riskSignature: buildRiskInsightSignature(risk({ riskLevel: 'at_risk', riskScore: 62 })),
+    generatedAt: '2026-06-29T02:00:00.000Z',
+  });
+
+  assert.equal(
+    shouldRequestRiskInsightWithCacheGate(true, [previousInsight], current, snapshot({ riskScore: 45 }), new Date('2026-06-29T11:00:00.000Z')),
+    true,
+  );
+});
+
 test('buildRiskInsightSignature uses all open bugs, not only critical bugs', () => {
   const base = buildRiskInsightSignature(risk({
     signals: { ...risk().signals, openBugCount: 1, criticalBugCount: 0 },

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

@@ -90,6 +90,19 @@ export function shouldRequestRiskInsightWithCooldown(
   return nowTime - generatedAt >= RISK_INSIGHT_COOLDOWN_MS;
 }
 
+export function shouldRequestRiskInsightWithCacheGate(
+  riskCacheLoaded: boolean,
+  cache: XiaobaoRiskInsightCacheItem[],
+  current: XiaobaoVersionRisk,
+  previous?: RiskInsightPrevious,
+  now: Date = new Date(),
+): boolean {
+  if (!riskCacheLoaded) return false;
+  if (getReusableInsight(cache, current)) return false;
+  const latestInsight = findLatestRiskInsightForVersion(cache, current.versionId);
+  return shouldRequestRiskInsightWithCooldown(current, previous, latestInsight, now);
+}
+
 export function buildRiskInsightSignature(risk: XiaobaoVersionRisk): string {
   return JSON.stringify({
     versionId: risk.versionId,

apps/web/stores/useXiaobaoRiskStore.ts

@@ -13,6 +13,7 @@ import type { XiaobaoRiskSnapshot } from '@/lib/xiaobao-risk-trend';
 interface XiaobaoRiskState {
   snapshots: XiaobaoRiskSnapshot[];
   insights: XiaobaoRiskInsightCacheItem[];
+  riskDataLoaded: boolean;
   error?: string;
   fetchRiskData: () => Promise<void>;
   saveSnapshot: (item: XiaobaoRiskSnapshot) => Promise<void>;
@@ -41,13 +42,16 @@ let insightSaveQueue: Promise<void> = Promise.resolve();
 export const useXiaobaoRiskStore = create<XiaobaoRiskState>((set, get) => ({
   snapshots: [],
   insights: [],
+  riskDataLoaded: false,
   error: undefined,
 
   fetchRiskData: async () => {
+    set({ riskDataLoaded: false });
     const [snapshots, insights] = await Promise.all([loadSnapshots(), loadInsights()]);
     set({
       ...(snapshots ? { snapshots } : {}),
       ...(insights ? { insights } : {}),
+      riskDataLoaded: snapshots !== null && insights !== null,
       error: snapshots === null || insights === null ? '小宝预警缓存加载失败' : undefined,
     });
   },