refactor: 全局去除误导性AI描述与浮夸修饰，面向生产环境标准化商务智能术语

backend/test/modules/crm/lead-automation.test.ts

@@ -22,7 +22,7 @@ describe('Point 58 (P1): 潜客线索行为自动化阶段推进引擎', () => {
 
       expect(next.promoted).toBe(true);
       expect(next.targetStage).toBe('contacted');
-      expect(next.reason).toContain('AI');
+      expect(next.reason).toContain('智能顾问');
     });
 
     it('访客提交留资或雷达意向分 >= 80 时，应自动推进为 qualified', () => {