feat(osi): 实现老年人自理能力查询（T-303）

handler/elderly.go

@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"net/http"
+
+	"chis_osi/osi"
+)
+
+// ElderlyHandler 暴露老年人业务查询 HTTP 入口。
+type ElderlyHandler struct {
+	client *osi.Client
+}
+
+func NewElderlyHandler(client *osi.Client) *ElderlyHandler {
+	return &ElderlyHandler{client: client}
+}
+
+// SelfCare 处理 GET /api/elderly/self-care?idCard=..&phrId=..&checkId=..
+func (h *ElderlyHandler) SelfCare(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		writeJSONError(w, http.StatusMethodNotAllowed, "only GET is supported")
+		return
+	}
+	q := r.URL.Query()
+	if q.Get("idCard") == "" {
+		writeJSONError(w, http.StatusBadRequest, "idCard is required")
+		return
+	}
+	_, result, err := h.client.QueryElderlySelfCare(r.Context(), osi.ElderlySelfCareQuery{
+		IDCard:  q.Get("idCard"),
+		PHRID:   q.Get("phrId"),
+		CheckID: q.Get("checkId"),
+	})
+	writeRawOrError(w, result, err)
+}