feat(handler): 暴露健康档案 upsert 接口（T-204）

mapping/health_record.go

@@ -246,6 +246,34 @@ func MapHealthRecordTask(task source.HealthRecordTask, ctx MapContext) (contract
 	return BuildHealthRecordCreate(mapped), errs
 }
 
+// ValidateHealthRecordTask performs all local mapping validation without
+// claiming that the supplied doctor or organization exists in CHIS.
+func ValidateHealthRecordTask(task source.HealthRecordTask) []ValidationError {
+	_, errs := MapHealthRecordTask(task, MapContext{
+		Dicts: DefaultDictSnapshot(),
+		MasterData: submittedHealthRecordMasterData{
+			doctorID: task.Record.ManaDoctorID,
+			unitID:   task.Record.ManaUnitID,
+		},
+	})
+	return errs
+}
+
+type submittedHealthRecordMasterData struct {
+	doctorID string
+	unitID   string
+}
+
+func (m submittedHealthRecordMasterData) RegionCodeByName(string) (string, bool) { return "", false }
+func (m submittedHealthRecordMasterData) DoctorIDByName(string) (string, bool)   { return "", false }
+func (m submittedHealthRecordMasterData) ManaUnitIDByName(string) (string, bool) { return "", false }
+func (m submittedHealthRecordMasterData) DoctorIDExists(id string) bool {
+	return strings.TrimSpace(id) != "" && strings.TrimSpace(id) == strings.TrimSpace(m.doctorID)
+}
+func (m submittedHealthRecordMasterData) ManaUnitIDExists(id string) bool {
+	return strings.TrimSpace(id) != "" && strings.TrimSpace(id) == strings.TrimSpace(m.unitID)
+}
+
 func validateMasterData(src PHISHealthRecord, lookup MasterDataLookup) []ValidationError {
 	if lookup == nil {
 		return []ValidationError{{Field: "masterData", Reason: "CHIS dictionary snapshot is required"}}