feat(vector): 新增向量搜索与文本语义检索接口

- DemoController 增加 /testSearch、/tsetSearchText 端点
- QdrantVectorService 补充 searchPoint、searchText、indexText 方法
- 新增 SearchEmbedReq、TextSearchReq、QdrantSearchItem 等 DTO/VO
- 调整 LLM 模型为 qwen3-embedding-0.6b 并开放对应接口免鉴权

src/main/java/com/yolo/keyborad/controller/DemoController.java

@@ -1,14 +1,15 @@
 package com.yolo.keyborad.controller;
 
-import cn.hutool.json.JSON;
 import cn.hutool.json.JSONUtil;
 import com.yolo.keyborad.common.BaseResponse;
 import com.yolo.keyborad.common.ResultUtils;
 
 import com.yolo.keyborad.model.dto.EmbedSaveReq;
 import com.yolo.keyborad.model.dto.IosPayVerifyReq;
+import com.yolo.keyborad.model.dto.SearchEmbedReq;
+import com.yolo.keyborad.model.dto.TextSearchReq;
+import com.yolo.keyborad.model.vo.QdrantSearchItem;
 import com.yolo.keyborad.service.impl.QdrantVectorService;
-import io.qdrant.client.QdrantClient;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -91,4 +92,20 @@ public class DemoController {
                  , JSONUtil.toJsonStr(embedSaveReq.getRecordItem()));
         return ResultUtils.success(true);
     }
+
+
+    @PostMapping("/testSearch")
+    @Operation(summary = "测试搜索向量接口", description = "测试搜索向量接口")
+    @Parameter(name = "userInput",required = true,description = "测试搜索向量接口")
+    public BaseResponse<List<QdrantSearchItem>> testSearch(@RequestBody SearchEmbedReq searchEmbedReq) {
+        return ResultUtils.success(qdrantVectorService.searchPoint(searchEmbedReq.getUserInputEmbed(), 3));
+    }
+
+
+    @PostMapping("/tsetSearchText")
+    @Operation(summary = "测试搜索语义接口", description = "测试搜索语义接口")
+    @Parameter(name = "userInput",required = true,description = "测试搜索语义接口")
+    public BaseResponse<List<QdrantSearchItem>> testSearchText(@RequestBody TextSearchReq textSearchReq) {
+        return ResultUtils.success(qdrantVectorService.searchText(textSearchReq.getUserInput()));
+    }
 }