feat(osi): 优化人群分类查询接口（T-209）

handler/health_record.go

@@ -51,6 +51,37 @@ func (h *HealthRecordHandler) Find(w http.ResponseWriter, r *http.Request) {
 	writeJSONError(w, http.StatusBadGateway, "empty response from OSI")
 }
 
+// Crowd 处理 GET /api/health-record/crowd?idCard=..|phrid=..
+// 原样回写 JKDA00005 人群分类与子档案标记响应。
+func (h *HealthRecordHandler) Crowd(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		writeJSONError(w, http.StatusMethodNotAllowed, "only GET is supported")
+		return
+	}
+
+	q := r.URL.Query()
+	query := osi.FindRqbjQuery{
+		IDCard: q.Get("idCard"),
+		PHRID:  q.Get("phrid"),
+	}
+	if query.IDCard == "" && query.PHRID == "" {
+		writeJSONError(w, http.StatusBadRequest, "provide one of: idCard, phrid")
+		return
+	}
+
+	_, result, err := h.client.FindRqbj(r.Context(), query)
+	if len(result.Raw) > 0 {
+		w.Header().Set("Content-Type", "application/json; charset=utf-8")
+		_, _ = w.Write(result.Raw)
+		return
+	}
+	if err != nil {
+		writeJSONError(w, http.StatusBadGateway, err.Error())
+		return
+	}
+	writeJSONError(w, http.StatusBadGateway, "empty response from OSI")
+}
+
 func writeJSONError(w http.ResponseWriter, status int, msg string) {
 	w.Header().Set("Content-Type", "application/json; charset=utf-8")
 	w.WriteHeader(status)