feat(osi): 优化人群分类查询接口（T-209）

handler/health_record_test.go

@@ -39,6 +39,38 @@ func TestHealthRecordFindReturnsRawPlatformResponse(t *testing.T) {
 	}
 }
 
+func TestHealthRecordCrowdReturnsRawPlatformResponse(t *testing.T) {
+	var seenPath string
+	osiServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		seenPath = r.URL.Path
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"code":"01","message":"操作成功","data":{"personSign":"LAO","idCard":"440100199001011234","phrId":"PHR001"}}`))
+	}))
+	defer osiServer.Close()
+
+	transport, err := osi.NewTransport(osi.TransportConfig{Timeout: time.Second})
+	if err != nil {
+		t.Fatalf("NewTransport: %v", err)
+	}
+	client := osi.NewClient(osi.ClientConfig{BaseURL: osiServer.URL, UserName: "dyytgw", Ask: "secret", Transport: transport})
+	h := NewHealthRecordHandler(client)
+
+	req := httptest.NewRequest(http.MethodGet, "/api/health-record/crowd?idCard=440100199001011234", nil)
+	rec := httptest.NewRecorder()
+	h.Crowd(rec, req)
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("status = %d", rec.Code)
+	}
+	if seenPath != "/osi/api/auto/jkda/findrqbj" {
+		t.Fatalf("upstream path = %q", seenPath)
+	}
+	body, _ := io.ReadAll(rec.Body)
+	if !strings.Contains(string(body), `"personSign":"LAO"`) || !strings.Contains(string(body), `"phrId":"PHR001"`) {
+		t.Fatalf("body missing crowd fields: %s", body)
+	}
+}
+
 func TestHealthRecordFindRequiresIdentifier(t *testing.T) {
 	h := NewHealthRecordHandler(nil) // 无标识符时在触达 client 前就返回 400
 	req := httptest.NewRequest(http.MethodGet, "/api/health-record/find", nil)