hotline:HotlineActionShape leaf node

@prefix hotline: <https://cacontology.projectvic.org/hotlines#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix uco-action: <https://ontology.unifiedcyberontology.org/uco/action/> .
@prefix uco-core: <https://ontology.unifiedcyberontology.org/uco/core/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
hotline:HotlineActionShape a sh:NodeShape ;
    rdfs:label "Hotline Action Shape"@en ;
    rdfs:comment "Enhanced SHACL shape for hotline actions with comprehensive gUFO Event validation and temporal modeling."@en ;
    sh:property [ sh:message "A hotline action must have at least one performer"@en ;
            sh:minCount 1 ;
            sh:path uco-action:performer ],
        [ sh:datatype xsd:dateTime ;
            sh:message "Hotline actions must have start times"@en ;
            sh:minCount 1 ;
            sh:path uco-core:startTime ],
        [ sh:datatype xsd:dateTime ;
            sh:maxCount 1 ;
            sh:message "Hotline actions can have at most one end time"@en ;
            sh:path uco-core:endTime ] ;
    sh:rule [ a sh:SPARQLRule ;
            sh:construct """
            INSERT { $this a hotline:TemporalInconsistencyError . }
            WHERE {
                $this uco-core:startTime ?start .
                $this uco-core:endTime ?end .
                FILTER(?end <= ?start)
            }
        """ ;
            sh:message "Action end time must be after start time"@en ;
            sh:prefixes hotline: ;
            sh:severity sh:Violation ] ;
    sh:targetClass hotline:HotlineAction .