docs: update progress for Day23-25

backend/check-docs-api.ps1

@@ -68,3 +68,4 @@ try {
     Write-Host "❌ 查询失败: $($_.Exception.Message)" -ForegroundColor Red
 }
 
+

backend/src/controllers/chatController.ts

@@ -301,3 +301,4 @@ export class ChatController {
 
 export const chatController = new ChatController();
 
+

backend/test-dify-search.js

@@ -0,0 +1,77 @@
+/**
+ * 测试Dify知识库检索功能
+ * 用法: node test-dify-search.js <dataset_id> <query>
+ */
+
+const axios = require('axios');
+require('dotenv').config();
+
+const DIFY_API_KEY = process.env.DIFY_API_KEY;
+const DIFY_API_BASE = process.env.DIFY_API_BASE || 'http://localhost/v1';
+
+async function testDifySearch(datasetId, query) {
+  console.log('🔍 测试Dify检索功能');
+  console.log('📦 Dataset ID:', datasetId);
+  console.log('💬 Query:', query);
+  console.log('🔑 API Key:', DIFY_API_KEY ? '✅ 已配置' : '❌ 未配置');
+  console.log('🌐 API Base:', DIFY_API_BASE);
+  console.log('---');
+
+  try {
+    const url = `${DIFY_API_BASE}/datasets/${datasetId}/retrieve`;
+    console.log('📡 请求URL:', url);
+    
+    const response = await axios.post(
+      url,
+      {
+        query: query,
+        retrieval_model: {
+          search_method: 'semantic_search',
+          top_k: 3,
+          score_threshold_enabled: true,
+          score_threshold: 0.3
+        }
+      },
+      {
+        headers: {
+          'Authorization': `Bearer ${DIFY_API_KEY}`,
+          'Content-Type': 'application/json'
+        }
+      }
+    );
+
+    console.log('✅ 请求成功！');
+    console.log('📊 返回数据:', JSON.stringify(response.data, null, 2));
+    console.log('---');
+    console.log('📈 统计信息:');
+    console.log('  - 记录数量:', response.data.records?.length || 0);
+    
+    if (response.data.records && response.data.records.length > 0) {
+      console.log('  - 第一条相关度:', response.data.records[0].score);
+      console.log('  - 第一条内容预览:', response.data.records[0].segment.content.substring(0, 100) + '...');
+    } else {
+      console.log('  ⚠️ 没有检索到任何记录！');
+      console.log('  可能原因：');
+      console.log('    1. 文档还在索引中');
+      console.log('    2. 索引失败');
+      console.log('    3. 查询词与文档内容不匹配');
+    }
+
+  } catch (error) {
+    console.error('❌ 请求失败！');
+    if (error.response) {
+      console.error('  状态码:', error.response.status);
+      console.error('  错误信息:', error.response.data);
+    } else {
+      console.error('  错误:', error.message);
+    }
+  }
+}
+
+// 从命令行参数获取dataset_id和query
+const datasetId = process.argv[2] || '83555127-ffe4-4232-ba75-67bd8aa7fe71';
+const query = process.argv[3] || '阿尔兹海默症的症状';
+
+testDifySearch(datasetId, query);
+
+