Class: BackendSpec

Specification of a Mellea backend implementation.

 classDiagram
    class BackendSpec
    click BackendSpec href "../BackendSpec/"
      ModelElement <|-- BackendSpec
        click ModelElement href "../ModelElement/"

      BackendSpec : backend_family





        BackendSpec --> "0..1" BackendFamilyEnum : backend_family
        click BackendFamilyEnum href "../BackendFamilyEnum/"



      BackendSpec : coverage_scope





        BackendSpec --> "*" CoverageScopeEnum : coverage_scope
        click CoverageScopeEnum href "../CoverageScopeEnum/"



      BackendSpec : default_formatter





        BackendSpec --> "0..1" FormatterSpec : default_formatter
        click FormatterSpec href "../FormatterSpec/"



      BackendSpec : description

      BackendSpec : element_kind





        BackendSpec --> "0..1" ElementKindEnum : element_kind
        click ElementKindEnum href "../ElementKindEnum/"



      BackendSpec : id

      BackendSpec : model_identifier





        BackendSpec --> "*" ModelIdentifierSpec : model_identifier
        click ModelIdentifierSpec href "../ModelIdentifierSpec/"



      BackendSpec : model_options_key

      BackendSpec : module_path

      BackendSpec : name

      BackendSpec : package_kind





        BackendSpec --> "0..1" PackageKindEnum : package_kind
        click PackageKindEnum href "../PackageKindEnum/"



      BackendSpec : source_file

      BackendSpec : supports_multimodal

      BackendSpec : supports_streaming

      BackendSpec : supports_tool_calls

      BackendSpec : tags

Inheritance

NamedElement
- ModelElement
  - BackendSpec

Slots

Name	Cardinality and Range	Description	Inheritance
backend_family	0..1 BackendFamilyEnum	Slot describing the backend family	direct
model_identifier	* ModelIdentifierSpec	Slot describing the model identifier	direct
default_formatter	0..1 FormatterSpec	Slot describing the default formatter	direct
model_options_key	* String	Slot describing the model options key	direct
supports_streaming	0..1 Boolean	Slot describing the supports streaming	direct
supports_tool_calls	0..1 Boolean	Slot describing the supports tool calls	direct
supports_multimodal	0..1 Boolean	Slot describing the supports multimodal	direct
id	1 Uriorcurie	Stable identifier for a schema element	NamedElement
name	1 String	Human-readable name	NamedElement
description	0..1 String	Narrative description of the element	NamedElement
module_path	0..1 PythonDottedPath	Python module path where this element is defined	NamedElement
source_file	0..1 RepositoryRelativePath	Source file relative to repository root	NamedElement
package_kind	0..1 PackageKindEnum	Package bucket	NamedElement
element_kind	0..1 ElementKindEnum	Kind of Python declaration	NamedElement
coverage_scope	* CoverageScopeEnum	Where this element surfaces (source/API/CLI/example/test)	NamedElement
tags	* String	Free-form classification tags	NamedElement

Usages

used by	used in	type	used
SessionSpec	uses_backend	range	BackendSpec

In Subsets

Identifier and Mapping Information

Schema Source

from schema: https://w3id.org/lmodel/mellea

Mappings

Mapping Type	Mapped Value
self	mellea:BackendSpec
native	mellea:BackendSpec
related	nexus:AiSystem, mcp:Implementation
close	nexus:AiProvider, gist_linkml:Specification

LinkML Source

Direct

name: BackendSpec
description: Specification of a Mellea backend implementation.
in_subset:
- core_runtime
- interface_surface
from_schema: https://w3id.org/lmodel/mellea
close_mappings:
- nexus:AiProvider
- gist_linkml:Specification
related_mappings:
- nexus:AiSystem
- mcp:Implementation
is_a: ModelElement
slots:
- backend_family
- model_identifier
- default_formatter
- model_options_key
- supports_streaming
- supports_tool_calls
- supports_multimodal

Induced

name: BackendSpec
description: Specification of a Mellea backend implementation.
in_subset:
- core_runtime
- interface_surface
from_schema: https://w3id.org/lmodel/mellea
close_mappings:
- nexus:AiProvider
- gist_linkml:Specification
related_mappings:
- nexus:AiSystem
- mcp:Implementation
is_a: ModelElement
attributes:
  backend_family:
    name: backend_family
    description: Slot describing the backend family.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - BackendSpec
    range: BackendFamilyEnum
  model_identifier:
    name: model_identifier
    description: Slot describing the model identifier.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - BackendSpec
    range: ModelIdentifierSpec
    multivalued: true
    inlined: true
    inlined_as_list: true
  default_formatter:
    name: default_formatter
    description: Slot describing the default formatter.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - BackendSpec
    range: FormatterSpec
  model_options_key:
    name: model_options_key
    description: Slot describing the model options key.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - BackendSpec
    range: string
    multivalued: true
  supports_streaming:
    name: supports_streaming
    description: Slot describing the supports streaming.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - BackendSpec
    range: boolean
  supports_tool_calls:
    name: supports_tool_calls
    description: Slot describing the supports tool calls.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - BackendSpec
    range: boolean
  supports_multimodal:
    name: supports_multimodal
    description: Slot describing the supports multimodal.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - BackendSpec
    range: boolean
  id:
    name: id
    description: Stable identifier for a schema element.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    slot_uri: schema:identifier
    identifier: true
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: uriorcurie
    required: true
  name:
    name: name
    description: Human-readable name.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    slot_uri: schema:name
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: string
    required: true
  description:
    name: description
    description: Narrative description of the element.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    slot_uri: schema:description
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: string
  module_path:
    name: module_path
    description: Python module path where this element is defined.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: PythonDottedPath
  source_file:
    name: source_file
    description: Source file relative to repository root.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: RepositoryRelativePath
  package_kind:
    name: package_kind
    description: Package bucket.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: PackageKindEnum
  element_kind:
    name: element_kind
    description: Kind of Python declaration.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: ElementKindEnum
  coverage_scope:
    name: coverage_scope
    description: Where this element surfaces (source/API/CLI/example/test).
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: CoverageScopeEnum
    multivalued: true
  tags:
    name: tags
    description: Free-form classification tags.
    from_schema: https://w3id.org/lmodel/mellea
    rank: 1000
    owner: BackendSpec
    domain_of:
    - NamedElement
    range: string
    multivalued: true