qdr.app.tools/UILayoutDefinitionFormat/ui-layout-views.xsd

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           targetNamespace="http://quadarax.com/ui-layout-views"
           xmlns:tns="http://quadarax.com/ui-layout-views"
           elementFormDefault="qualified"
           version="1.6">

  <!-- Root element for view include files -->
  <xs:element name="views" type="tns:ViewsIncludeFileType"/>

  <!-- Views include file structure -->
  <xs:complexType name="ViewsIncludeFileType">
    <xs:sequence>
      <xs:element name="view" type="tns:ViewType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <!-- ENHANCEMENT: Version tracking for view files -->
    <xs:attribute name="schema-version" type="xs:string" default="1.6"/>
    <xs:attribute name="namespace" type="xs:string"/>
    <xs:attribute name="assembly" type="xs:string"/>
  </xs:complexType>

  <!-- View Type -->
  <xs:complexType name="ViewType">
    <xs:sequence>
      <xs:element name="description" type="xs:string" minOccurs="0"/>
      <xs:element name="metadata" type="tns:ViewMetadataType" minOccurs="0"/>
      <xs:element name="supported-view-modes" type="tns:SupportedViewModesType" minOccurs="0"/>
      <xs:element name="dependencies" type="tns:ViewDependenciesType" minOccurs="0"/>
      <xs:element name="data-context" type="tns:DataContextType" minOccurs="0"/>
      <xs:element name="windows" type="tns:ViewWindowsType" minOccurs="0"/>
      <xs:element name="navigation" type="tns:ViewNavigationType" minOccurs="0"/>
      <xs:element name="behaviors" type="tns:ViewBehaviorsType" minOccurs="0"/>
      <xs:element name="composed-views" type="tns:ComposedViewsType" minOccurs="0"/>
      <xs:element name="layout" type="tns:ViewLayoutType" minOccurs="0"/>
      <xs:element name="coordination" type="tns:CoordinationType" minOccurs="0"/>
      <xs:element name="communication" type="tns:CommunicationType" minOccurs="0"/>
      <xs:element name="workflow" type="tns:WorkflowType" minOccurs="0"/>
      <xs:element name="module-views" type="tns:ModuleViewsType" minOccurs="0"/>
      <xs:element name="module-dependencies" type="tns:ModuleDependenciesType" minOccurs="0"/>
      <xs:element name="main-navigation" type="tns:MainNavigationType" minOccurs="0"/>
      <!-- ENHANCEMENT: v1.3 new view features -->
      <xs:element name="state-management" type="tns:StateManagementType" minOccurs="0"/>
      <xs:element name="accessibility" type="tns:ViewAccessibilityType" minOccurs="0"/>
      <xs:element name="performance" type="tns:PerformanceType" minOccurs="0"/>
      <xs:element name="security" type="tns:SecurityType" minOccurs="0"/>
      <xs:element name="localization" type="tns:LocalizationType" minOccurs="0"/>
      <xs:element name="testing" type="tns:TestingType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:ViewTypeEnum" use="required"/>
    <xs:attribute name="category" type="tns:ViewCategoryEnum" use="required"/>
    <xs:attribute name="inherits" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 view attributes -->
    <xs:attribute name="schema-version" type="xs:string" default="1.6"/>
    <xs:attribute name="platform" type="tns:PlatformEnum" default="basic"/>
    <xs:attribute name="singleton" type="xs:boolean" default="false"/>
    <xs:attribute name="lazy-loading" type="xs:boolean" default="false"/>
    <xs:attribute name="cacheable" type="xs:boolean" default="false"/>
    <xs:attribute name="priority" type="tns:PriorityEnum" default="normal"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Platform Enumeration -->
  <xs:simpleType name="PlatformEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="basic"/>
      <xs:enumeration value="winforms"/>
      <xs:enumeration value="avalonia"/>
      <xs:enumeration value="kde"/>
      <xs:enumeration value="web"/>
      <xs:enumeration value="mobile"/>
      <xs:enumeration value="mixed"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Priority Enumeration -->
  <xs:simpleType name="PriorityEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="low"/>
      <xs:enumeration value="normal"/>
      <xs:enumeration value="high"/>
      <xs:enumeration value="critical"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- View Type and Category Enums -->
  <xs:simpleType name="ViewTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="business-entity"/>
      <xs:enumeration value="process-flow"/>
      <xs:enumeration value="dashboard"/>
      <xs:enumeration value="utility"/>
      <xs:enumeration value="wizard"/>
      <xs:enumeration value="composite"/>
      <xs:enumeration value="module"/>
      <xs:enumeration value="base"/>
      <!-- ENHANCEMENT: v1.3 new view types -->
      <xs:enumeration value="ai-assisted"/>
      <xs:enumeration value="real-time"/>
      <xs:enumeration value="collaborative"/>
      <xs:enumeration value="analytics"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="ViewCategoryEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="core"/>
      <xs:enumeration value="admin"/>
      <xs:enumeration value="reporting"/>
      <xs:enumeration value="system"/>
      <xs:enumeration value="framework"/>
      <xs:enumeration value="business"/>
      <!-- ENHANCEMENT: v1.3 new categories -->
      <xs:enumeration value="analytics"/>
      <xs:enumeration value="collaboration"/>
      <xs:enumeration value="ai-enhanced"/>
      <xs:enumeration value="mobile-optimized"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: State Management Type -->
  <xs:complexType name="StateManagementType">
    <xs:sequence>
      <xs:element name="state" type="tns:StateDefinitionType" maxOccurs="unbounded"/>
      <xs:element name="transition" type="tns:StateTransitionType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="pattern" type="tns:StatePatternEnum" default="simple"/>
    <xs:attribute name="persistence" type="tns:PersistenceEnum" default="session"/>
  </xs:complexType>

  <xs:complexType name="StateDefinitionType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="initial" type="xs:boolean" default="false"/>
    <xs:attribute name="final" type="xs:boolean" default="false"/>
    <xs:attribute name="description" type="xs:string"/>
    <xs:attribute name="data-snapshot" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="StateTransitionType">
    <xs:attribute name="from" type="xs:string" use="required"/>
    <xs:attribute name="to" type="xs:string" use="required"/>
    <xs:attribute name="trigger" type="xs:string" use="required"/>
    <xs:attribute name="condition" type="xs:string"/>
    <xs:attribute name="action" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="StatePatternEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="simple"/>
      <xs:enumeration value="hierarchical"/>
      <xs:enumeration value="concurrent"/>
      <xs:enumeration value="redux"/>
      <xs:enumeration value="mobx"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="PersistenceEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="none"/>
      <xs:enumeration value="session"/>
      <xs:enumeration value="local"/>
      <xs:enumeration value="remote"/>
      <xs:enumeration value="distributed"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: View Accessibility Type -->
  <xs:complexType name="ViewAccessibilityType">
    <xs:sequence>
      <xs:element name="compliance" type="tns:AccessibilityComplianceType" maxOccurs="unbounded"/>
      <xs:element name="feature" type="tns:AccessibilityFeatureType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="level" type="tns:AccessibilityLevelEnum" default="aa"/>
    <xs:attribute name="tested" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="AccessibilityComplianceType">
    <xs:attribute name="standard" type="tns:AccessibilityStandardEnum" use="required"/>
    <xs:attribute name="level" type="tns:AccessibilityLevelEnum" use="required"/>
    <xs:attribute name="verified" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="AccessibilityFeatureType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:AccessibilityFeatureEnum" use="required"/>
    <xs:attribute name="required" type="xs:boolean" default="false"/>
    <xs:attribute name="implementation" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="AccessibilityStandardEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="wcag"/>
      <xs:enumeration value="section-508"/>
      <xs:enumeration value="ada"/>
      <xs:enumeration value="en-301-549"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="AccessibilityLevelEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="a"/>
      <xs:enumeration value="aa"/>
      <xs:enumeration value="aaa"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="AccessibilityFeatureEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="screen-reader"/>
      <xs:enumeration value="keyboard-navigation"/>
      <xs:enumeration value="high-contrast"/>
      <xs:enumeration value="voice-control"/>
      <xs:enumeration value="eye-tracking"/>
      <xs:enumeration value="switch-control"/>
      <xs:enumeration value="magnification"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Performance Type -->
  <xs:complexType name="PerformanceType">
    <xs:sequence>
      <xs:element name="metric" type="tns:PerformanceMetricType" maxOccurs="unbounded"/>
      <xs:element name="optimization" type="tns:OptimizationType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="target-load-time" type="xs:int" default="2000"/>
    <xs:attribute name="memory-limit" type="xs:string"/>
    <xs:attribute name="cpu-threshold" type="xs:decimal"/>
  </xs:complexType>

  <xs:complexType name="PerformanceMetricType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:MetricTypeEnum" use="required"/>
    <xs:attribute name="target" type="xs:string" use="required"/>
    <xs:attribute name="critical" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="OptimizationType">
    <xs:attribute name="technique" type="tns:OptimizationTechniqueEnum" use="required"/>
    <xs:attribute name="description" type="xs:string"/>
    <xs:attribute name="impact" type="tns:ImpactEnum" default="medium"/>
  </xs:complexType>

  <xs:simpleType name="MetricTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="load-time"/>
      <xs:enumeration value="memory-usage"/>
      <xs:enumeration value="cpu-usage"/>
      <xs:enumeration value="response-time"/>
      <xs:enumeration value="throughput"/>
      <xs:enumeration value="frame-rate"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="OptimizationTechniqueEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="lazy-loading"/>
      <xs:enumeration value="virtualization"/>
      <xs:enumeration value="caching"/>
      <xs:enumeration value="compression"/>
      <xs:enumeration value="bundling"/>
      <xs:enumeration value="code-splitting"/>
      <xs:enumeration value="preloading"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="ImpactEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="low"/>
      <xs:enumeration value="medium"/>
      <xs:enumeration value="high"/>
      <xs:enumeration value="critical"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Security Type -->
  <xs:complexType name="SecurityType">
    <xs:sequence>
      <xs:element name="permission" type="tns:PermissionType" maxOccurs="unbounded"/>
      <xs:element name="vulnerability-protection" type="tns:VulnerabilityProtectionType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="data-protection" type="tns:DataProtectionType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="level" type="tns:SecurityLevelEnum" default="standard"/>
    <xs:attribute name="audit-required" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="PermissionType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:PermissionTypeEnum" use="required"/>
    <xs:attribute name="required" type="xs:boolean" default="true"/>
    <xs:attribute name="scope" type="tns:PermissionScopeEnum" default="view"/>
  </xs:complexType>

  <xs:complexType name="VulnerabilityProtectionType">
    <xs:attribute name="type" type="tns:VulnerabilityTypeEnum" use="required"/>
    <xs:attribute name="protection" type="xs:string" use="required"/>
    <xs:attribute name="severity" type="tns:SeverityEnum" default="medium"/>
  </xs:complexType>

  <xs:complexType name="DataProtectionType">
    <xs:attribute name="encryption" type="xs:boolean" default="false"/>
    <xs:attribute name="anonymization" type="xs:boolean" default="false"/>
    <xs:attribute name="gdpr-compliant" type="xs:boolean" default="false"/>
    <xs:attribute name="retention-policy" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="SecurityLevelEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="minimal"/>
      <xs:enumeration value="standard"/>
      <xs:enumeration value="high"/>
      <xs:enumeration value="maximum"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="PermissionTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="read"/>
      <xs:enumeration value="write"/>
      <xs:enumeration value="delete"/>
      <xs:enumeration value="execute"/>
      <xs:enumeration value="admin"/>
      <xs:enumeration value="custom"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="PermissionScopeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="view"/>
      <xs:enumeration value="window"/>
      <xs:enumeration value="control"/>
      <xs:enumeration value="data"/>
      <xs:enumeration value="global"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="VulnerabilityTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="xss"/>
      <xs:enumeration value="injection"/>
      <xs:enumeration value="csrf"/>
      <xs:enumeration value="authentication"/>
      <xs:enumeration value="authorization"/>
      <xs:enumeration value="data-exposure"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="SeverityEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="low"/>
      <xs:enumeration value="medium"/>
      <xs:enumeration value="high"/>
      <xs:enumeration value="critical"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Localization Type -->
  <xs:complexType name="LocalizationType">
    <xs:sequence>
      <xs:element name="supported-culture" type="tns:SupportedCultureType" maxOccurs="unbounded"/>
      <xs:element name="resource-bundle" type="tns:ResourceBundleType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="default-culture" type="xs:string" default="en-US"/>
    <xs:attribute name="fallback-culture" type="xs:string" default="en"/>
    <xs:attribute name="rtl-support" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="SupportedCultureType">
    <xs:attribute name="code" type="xs:string" use="required"/>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="completion" type="xs:decimal" default="100"/>
    <xs:attribute name="verified" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="ResourceBundleType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="path" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:ResourceBundleTypeEnum" default="resx"/>
  </xs:complexType>

  <xs:simpleType name="ResourceBundleTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="resx"/>
      <xs:enumeration value="json"/>
      <xs:enumeration value="xml"/>
      <xs:enumeration value="gettext"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Testing Type -->
  <xs:complexType name="TestingType">
    <xs:sequence>
      <xs:element name="test-scenario" type="tns:TestScenarioType" maxOccurs="unbounded"/>
      <xs:element name="automation" type="tns:TestAutomationType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="coverage-target" type="xs:decimal" default="80"/>
    <xs:attribute name="strategy" type="tns:TestStrategyEnum" default="unit"/>
  </xs:complexType>

  <xs:complexType name="TestScenarioType">
    <xs:sequence>
      <xs:element name="step" type="tns:TestStepType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:TestTypeEnum" use="required"/>
    <xs:attribute name="priority" type="tns:PriorityEnum" default="normal"/>
    <xs:attribute name="automated" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="TestStepType">
    <xs:attribute name="action" type="xs:string" use="required"/>
    <xs:attribute name="expected" type="xs:string" use="required"/>
    <xs:attribute name="data" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="TestAutomationType">
    <xs:attribute name="framework" type="tns:TestFrameworkEnum" use="required"/>
    <xs:attribute name="selector-strategy" type="tns:SelectorStrategyEnum" default="name"/>
    <xs:attribute name="page-object-model" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:simpleType name="TestStrategyEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="unit"/>
      <xs:enumeration value="integration"/>
      <xs:enumeration value="ui"/>
      <xs:enumeration value="e2e"/>
      <xs:enumeration value="performance"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="TestTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="functional"/>
      <xs:enumeration value="usability"/>
      <xs:enumeration value="accessibility"/>
      <xs:enumeration value="performance"/>
      <xs:enumeration value="security"/>
      <xs:enumeration value="compatibility"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="TestFrameworkEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="selenium"/>
      <xs:enumeration value="playwright"/>
      <xs:enumeration value="cypress"/>
      <xs:enumeration value="testcafe"/>
      <xs:enumeration value="mstest"/>
      <xs:enumeration value="nunit"/>
      <xs:enumeration value="xunit"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="SelectorStrategyEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="name"/>
      <xs:enumeration value="id"/>
      <xs:enumeration value="css"/>
      <xs:enumeration value="xpath"/>
      <xs:enumeration value="accessibility"/>
      <xs:enumeration value="data-testid"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Supported View Modes -->
  <xs:complexType name="SupportedViewModesType">
    <xs:sequence>
      <xs:element name="mode" type="tns:ViewModeType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ViewModeType">
    <xs:attribute name="name" type="tns:ViewModeNameEnum" use="required"/>
    <xs:attribute name="enabled" type="xs:boolean" use="required"/>
    <xs:attribute name="default" type="xs:boolean" default="false"/>
    <xs:attribute name="description" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="ViewModeNameEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="grid"/>
      <xs:enumeration value="gallery"/>
      <xs:enumeration value="tree"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- View Metadata -->
  <xs:complexType name="ViewMetadataType">
    <xs:sequence>
      <xs:element name="model-class" type="xs:string" minOccurs="0"/>
      <xs:element name="view-model-class" type="xs:string" minOccurs="0"/>
      <xs:element name="controller-class" type="xs:string" minOccurs="0"/>
      <xs:element name="permissions" type="xs:string" minOccurs="0"/>
      <!-- ENHANCEMENT: v1.3 metadata additions -->
      <xs:element name="author" type="xs:string" minOccurs="0"/>
      <xs:element name="version" type="xs:string" minOccurs="0"/>
      <xs:element name="created-date" type="xs:date" minOccurs="0"/>
      <xs:element name="modified-date" type="xs:date" minOccurs="0"/>
      <xs:element name="documentation-url" type="xs:anyURI" minOccurs="0"/>
      <xs:element name="tags" type="tns:TagsType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <!-- ENHANCEMENT: Tags Type -->
  <xs:complexType name="TagsType">
    <xs:sequence>
      <xs:element name="tag" type="xs:string" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <!-- View Dependencies -->
  <xs:complexType name="ViewDependenciesType">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="view-ref" type="tns:ViewRefType"/>
      <xs:element name="shared-component" type="tns:SharedComponentType"/>
      <!-- ENHANCEMENT: v1.3 new dependency types -->
      <xs:element name="service-ref" type="tns:ServiceRefType"/>
      <xs:element name="library-ref" type="tns:LibraryRefType"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="ViewRefType">
    <xs:sequence>
      <xs:element name="interaction" type="tns:InteractionType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="relationship" type="tns:RelationshipEnum" use="required"/>
    <xs:attribute name="required" type="xs:boolean" default="false"/>
    <xs:attribute name="role" type="xs:string"/>
    <xs:attribute name="layout-slot" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="lazy-load" type="xs:boolean" default="false"/>
    <xs:attribute name="cache-strategy" type="tns:CacheStrategyEnum" default="none"/>
  </xs:complexType>

  <xs:simpleType name="RelationshipEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="lookup"/>
      <xs:enumeration value="detail"/>
      <xs:enumeration value="reference"/>
      <xs:enumeration value="primary"/>
      <!-- ENHANCEMENT: v1.3 new relationships -->
      <xs:enumeration value="collaboration"/>
      <xs:enumeration value="notification"/>
      <xs:enumeration value="workflow"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="CacheStrategyEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="none"/>
      <xs:enumeration value="memory"/>
      <xs:enumeration value="disk"/>
      <xs:enumeration value="distributed"/>
      <xs:enumeration value="adaptive"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="InteractionType">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="returns" type="xs:string"/>
    <xs:attribute name="context" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="async" type="xs:boolean" default="false"/>
    <xs:attribute name="timeout" type="xs:int"/>
  </xs:complexType>

  <xs:complexType name="SharedComponentType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="required" type="xs:boolean" default="false"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="version" type="xs:string"/>
    <xs:attribute name="source" type="xs:string"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Service Reference Type -->
  <xs:complexType name="ServiceRefType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="interface" type="xs:string" use="required"/>
    <xs:attribute name="scope" type="tns:ServiceScopeEnum" default="transient"/>
    <xs:attribute name="required" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:simpleType name="ServiceScopeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="singleton"/>
      <xs:enumeration value="transient"/>
      <xs:enumeration value="scoped"/>
      <xs:enumeration value="per-view"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Library Reference Type -->
  <xs:complexType name="LibraryRefType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="version" type="xs:string"/>
    <xs:attribute name="source" type="xs:string"/>
    <xs:attribute name="optional" type="xs:boolean" default="false"/>
  </xs:complexType>

  <!-- Data Context -->
  <xs:complexType name="DataContextType">
    <xs:sequence>
      <xs:element name="property" type="tns:DataPropertyType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="DataPropertyType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="scope" type="tns:DataScopeEnum" default="view"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="nullable" type="xs:boolean" default="true"/>
    <xs:attribute name="default-value" type="xs:string"/>
    <xs:attribute name="validation" type="xs:string"/>
    <xs:attribute name="observable" type="xs:boolean" default="true"/>
    <xs:attribute name="description" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="DataScopeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="view"/>
      <xs:enumeration value="shared"/>
      <xs:enumeration value="global"/>
      <!-- ENHANCEMENT: v1.3 new scopes -->
      <xs:enumeration value="session"/>
      <xs:enumeration value="persistent"/>
      <xs:enumeration value="distributed"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- View Windows -->
  <xs:complexType name="ViewWindowsType">
    <xs:sequence>
      <xs:element name="window-ref" type="tns:WindowRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="WindowRefType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="role" type="tns:WindowRoleEnum" use="required"/>
    <xs:attribute name="default" type="xs:boolean" default="false"/>
    <xs:attribute name="modal" type="xs:boolean" default="false"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="lazy-load" type="xs:boolean" default="false"/>
    <xs:attribute name="cache-lifetime" type="xs:int"/>
    <xs:attribute name="priority" type="tns:PriorityEnum" default="normal"/>
  </xs:complexType>

  <xs:simpleType name="WindowRoleEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="main"/>
      <xs:enumeration value="editor"/>
      <xs:enumeration value="viewer"/>
      <xs:enumeration value="utility"/>
      <xs:enumeration value="catalog"/>
      <xs:enumeration value="step1"/>
      <xs:enumeration value="step2"/>
      <xs:enumeration value="step3"/>
      <!-- ENHANCEMENT: v1.3 new roles -->
      <xs:enumeration value="dashboard"/>
      <xs:enumeration value="report"/>
      <xs:enumeration value="preview"/>
      <xs:enumeration value="notification"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- View Navigation -->
  <xs:complexType name="ViewNavigationType">
    <xs:sequence>
      <xs:element name="action" type="tns:NavigationActionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="NavigationActionType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="target" type="xs:string" use="required"/>
    <xs:attribute name="context" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="async" type="xs:boolean" default="false"/>
    <xs:attribute name="confirmation-required" type="xs:boolean" default="false"/>
    <xs:attribute name="permission" type="xs:string"/>
  </xs:complexType>

  <!-- View Behaviors -->
  <xs:complexType name="ViewBehaviorsType">
    <xs:sequence>
      <xs:element name="behavior" type="tns:ViewBehaviorType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ViewBehaviorType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="scope" type="tns:BehaviorScopeEnum" default="view"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="async" type="xs:boolean" default="false"/>
    <xs:attribute name="debounce" type="xs:int"/>
    <xs:attribute name="throttle" type="xs:int"/>
    <xs:attribute name="cancellable" type="xs:boolean" default="false"/>
    <xs:attribute name="description" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="BehaviorScopeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="view"/>
      <xs:enumeration value="global"/>
      <!-- ENHANCEMENT: v1.3 new scopes -->
      <xs:enumeration value="session"/>
      <xs:enumeration value="application"/>
      <xs:enumeration value="distributed"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Composed Views -->
  <xs:complexType name="ComposedViewsType">
    <xs:sequence>
      <xs:element name="view-ref" type="tns:ViewRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <!-- View Layout -->
  <xs:complexType name="ViewLayoutType">
    <xs:sequence>
      <xs:element name="slot" type="tns:ViewSlotType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="wireframe" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="responsive" type="xs:boolean" default="false"/>
    <xs:attribute name="adaptive" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="ViewSlotType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="view" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="lazy-load" type="xs:boolean" default="false"/>
    <xs:attribute name="conditional" type="xs:string"/>
  </xs:complexType>

  <!-- Coordination -->
  <xs:complexType name="CoordinationType">
    <xs:sequence>
      <xs:element name="rule" type="tns:CoordinationRuleType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="CoordinationRuleType">
    <xs:attribute name="when" type="xs:string" use="required"/>
    <xs:attribute name="then" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="priority" type="tns:PriorityEnum" default="normal"/>
    <xs:attribute name="async" type="xs:boolean" default="false"/>
  </xs:complexType>

  <!-- Communication -->
  <xs:complexType name="CommunicationType">
    <xs:sequence>
      <xs:element name="publishes" type="tns:PublishesType" minOccurs="0"/>
      <xs:element name="subscribes" type="tns:SubscribesType" minOccurs="0"/>
      <!-- ENHANCEMENT: v1.3 new communication patterns -->
      <xs:element name="real-time" type="tns:RealTimeCommunicationType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PublishesType">
    <xs:sequence>
      <xs:element name="event" type="tns:PublishedEventType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="SubscribesType">
    <xs:sequence>
      <xs:element name="event" type="tns:SubscribedEventType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PublishedEventType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="data" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="async" type="xs:boolean" default="false"/>
    <xs:attribute name="broadcast" type="xs:boolean" default="false"/>
    <xs:attribute name="persistent" type="xs:boolean" default="false"/>
    <xs:attribute name="description" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="SubscribedEventType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="handler" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="async" type="xs:boolean" default="false"/>
    <xs:attribute name="debounce" type="xs:int"/>
    <xs:attribute name="filter" type="xs:string"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Real-Time Communication Type -->
  <xs:complexType name="RealTimeCommunicationType">
    <xs:sequence>
      <xs:element name="connection" type="tns:RealTimeConnectionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="RealTimeConnectionType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="protocol" type="tns:RealTimeProtocolEnum" use="required"/>
    <xs:attribute name="endpoint" type="xs:string"/>
    <xs:attribute name="auto-reconnect" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:simpleType name="RealTimeProtocolEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="websocket"/>
      <xs:enumeration value="signalr"/>
      <xs:enumeration value="socketio"/>
      <xs:enumeration value="grpc-stream"/>
      <xs:enumeration value="sse"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Workflow -->
  <xs:complexType name="WorkflowType">
    <xs:sequence>
      <xs:element name="step" type="tns:WorkflowStepType" maxOccurs="unbounded"/>
    </xs:sequence>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="type" type="tns:WorkflowTypeEnum" default="sequential"/>
    <xs:attribute name="persistent" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="WorkflowStepType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="window" type="xs:string" use="required"/>
    <xs:attribute name="next" type="xs:string"/>
    <xs:attribute name="previous" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="condition" type="xs:string"/>
    <xs:attribute name="timeout" type="xs:int"/>
    <xs:attribute name="skippable" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:simpleType name="WorkflowTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="sequential"/>
      <xs:enumeration value="parallel"/>
      <xs:enumeration value="conditional"/>
      <xs:enumeration value="state-machine"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Module Views -->
  <xs:complexType name="ModuleViewsType">
    <xs:sequence>
      <xs:element name="view-ref" type="tns:SimpleViewRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="SimpleViewRefType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="load-priority" type="tns:PriorityEnum" default="normal"/>
    <xs:attribute name="optional" type="xs:boolean" default="false"/>
  </xs:complexType>

  <!-- Module Dependencies -->
  <xs:complexType name="ModuleDependenciesType">
    <xs:sequence>
      <xs:element name="module-ref" type="tns:ModuleRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ModuleRefType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="version" type="xs:string"/>
    <xs:attribute name="optional" type="xs:boolean" default="false"/>
    <xs:attribute name="lazy-load" type="xs:boolean" default="false"/>
  </xs:complexType>

  <!-- Main Navigation -->
  <xs:complexType name="MainNavigationType">
    <xs:sequence>
      <xs:element name="nav-item" type="tns:NavItemType" maxOccurs="unbounded"/>
    </xs:sequence>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="style" type="tns:NavigationStyleEnum" default="hierarchical"/>
    <xs:attribute name="responsive" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:complexType name="NavItemType">
    <xs:attribute name="text" type="xs:string" use="required"/>
    <xs:attribute name="view" type="xs:string" use="required"/>
    <xs:attribute name="action" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 additions -->
    <xs:attribute name="icon" type="xs:string"/>
    <xs:attribute name="badge" type="xs:string"/>
    <xs:attribute name="permission" type="xs:string"/>
    <xs:attribute name="order" type="xs:int" default="0"/>
  </xs:complexType>

  <xs:simpleType name="NavigationStyleEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="hierarchical"/>
      <xs:enumeration value="flat"/>
      <xs:enumeration value="breadcrumb"/>
      <xs:enumeration value="tab"/>
      <xs:enumeration value="sidebar"/>
      <xs:enumeration value="drawer"/>
    </xs:restriction>
  </xs:simpleType>

</xs:schema>