refactor(i18n): 全工程面向国际用户与全球现代商务重构，彻底清理出海跨境等单向视角表达并对齐自动化测试

backend/test/modules/ai/sentiment-intent.test.ts

@@ -12,7 +12,7 @@ describe('Point 61 (P1): AI 对话客商意图与情绪极性分析引擎', () =
     analyzer = new AiSentimentIntentAnalyzer();
   });
 
-  describe('1. analyzeConversationIntent (出海商务意图识别)', () => {
+  describe('1. analyzeConversationIntent (商务意图识别)', () => {
     it('包含价格、报价、起订量或购买关键词应识别为 PURCHASE_INTENT', () => {
       const msgs = [
         'Hello, what is the MOQ for 500 NFC metal cards?',