feat(版本): 优化概览与只读状态

关键改动：

- 增加需求排序和版本只读状态规则及测试

- 完善版本概览阶段耗时、项目页和工作台展示

- 优化小宝预警请求节流、建议状态和风险过滤

Co-Authored-By: Codex GPT-5 <codex@openai.com>

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

@@ -9,6 +9,7 @@ import {
   findPreviousRiskSnapshot,
   getReusableInsight,
   shouldRequestRiskInsight,
+  shouldRequestRiskInsightWithRequestGate,
   shouldRequestRiskInsightWithCacheGate,
   shouldRequestRiskInsightWithCooldown,
 } from './xiaobao-risk-ai';
@@ -283,6 +284,22 @@ test('shouldRequestRiskInsightWithCacheGate allows changed risk facts after cach
   );
 });
 
+test('shouldRequestRiskInsightWithRequestGate skips repeat requests during request cooldown without cache', () => {
+  const current = risk({ riskLevel: 'at_risk', riskScore: 82 });
+
+  assert.equal(
+    shouldRequestRiskInsightWithRequestGate({
+      riskCacheLoaded: true,
+      cache: [],
+      current,
+      previous: snapshot({ riskScore: 45 }),
+      lastRequestedAt: '2026-06-29T10:30:00.000Z',
+      now: new Date('2026-06-29T11:00:00.000Z'),
+    }),
+    false,
+  );
+});
+
 test('buildRiskInsightSignature uses all open bugs, not only critical bugs', () => {
   const base = buildRiskInsightSignature(risk({
     signals: { ...risk().signals, openBugCount: 1, criticalBugCount: 0 },