{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/shruggietech/insonic/v0.0.0/schemas/v0.0.0/speaker-model.schema.json",
  "title": "Speaker model version manifest",
  "description": "Portable exact-version model descriptor preserving the originating speaker, frozen training corpus, preparation, artifacts/checkpoints, provider identity, declared compatibility and license metadata. Current family associations and availability remain revisioned catalog state.",
  "type": "object",
  "properties": {
    "schema_version": {
      "const": "0.0.0",
      "description": "Version of this portable model-version document contract."
    },
    "kind": {
      "const": "speaker-model",
      "description": "Discriminator identifying a speaker-associated model-version manifest."
    },
    "workspace_id": {
      "$ref": "common.schema.json#/$defs/uuid",
      "description": "Workspace owning this model family and version."
    },
    "model_family_id": {
      "$ref": "common.schema.json#/$defs/uuid",
      "description": "Stable speaker_model family identity."
    },
    "model_version_id": {
      "$ref": "common.schema.json#/$defs/uuid",
      "description": "Exact immutable speaker_model_version identity fetched by the CLI."
    },
    "originating_speaker_id": {
      "$ref": "common.schema.json#/$defs/uuid",
      "description": "Original speaker identity retained through later merges or splits."
    },
    "originating_speaker_identity_revision": {
      "$ref": "common.schema.json#/$defs/revision",
      "description": "Speaker identity revision used when this version was trained."
    },
    "created_at": {
      "$ref": "common.schema.json#/$defs/utcInstant",
      "description": "UTC instant when this immutable model version was published."
    },
    "manifest_sha256": {
      "$ref": "common.schema.json#/$defs/sha256",
      "description": "Digest of the separately published canonical immutable model manifest, excluding this transport envelope's own digest field."
    },
    "manifest_artifact": {
      "$ref": "common.schema.json#/$defs/artifactReference",
      "description": "Optional canonical model manifest artifact."
    },
    "display_name": {
      "type": "string",
      "minLength": 1,
      "description": "User-facing name captured when the version was published; current family names live in revisioned catalog state."
    },
    "training": {
      "$ref": "#/$defs/training",
      "description": "Exact training run, dataset, preparation and provider lineage."
    },
    "outputs": {
      "$ref": "#/$defs/outputs",
      "description": "Verified downloadable artifacts or a declared hosted-model handle."
    },
    "compatibility": {
      "$ref": "#/$defs/compatibility",
      "description": "Model-kind and consumer/runtime compatibility declarations."
    },
    "checkpoints": {
      "type": "array",
      "description": "Optional immutable checkpoints retained with the producing training run.",
      "items": {
        "$ref": "#/$defs/checkpoint",
        "description": "One training checkpoint and resume declaration."
      }
    },
    "license_declarations": {
      "type": "array",
      "description": "Declared upstream/output licenses and explicit unknown declarations.",
      "items": {
        "$ref": "#/$defs/licenseDeclaration",
        "description": "One source-qualified license/attribution statement."
      }
    },
    "evaluations": {
      "type": "array",
      "description": "Optional method-qualified metrics produced before publication.",
      "items": {
        "$ref": "#/$defs/evaluation",
        "description": "One measured evaluation report."
      }
    },
    "diagnostics": {
      "type": "array",
      "description": "Technical findings recorded at publication; later lineage/availability findings are separate revisioned catalog observations.",
      "items": {
        "$ref": "speaker-segments.schema.json#/$defs/diagnostic",
        "description": "One method-qualified model diagnostic."
      }
    },
    "extensions": {
      "$ref": "common.schema.json#/$defs/extensions",
      "description": "Namespaced custom model metadata without redefining frozen provenance."
    }
  },
  "required": [
    "schema_version",
    "kind",
    "workspace_id",
    "model_family_id",
    "model_version_id",
    "originating_speaker_id",
    "originating_speaker_identity_revision",
    "created_at",
    "manifest_sha256",
    "training",
    "outputs",
    "compatibility",
    "checkpoints",
    "license_declarations",
    "evaluations",
    "diagnostics"
  ],
  "additionalProperties": false,
  "$defs": {
    "baseModel": {
      "type": "object",
      "description": "Exact upstream/base-model identity when training depends on an existing model; no installed path or secret-bearing URL is retained.",
      "properties": {
        "model_id": {
          "type": "string",
          "minLength": 1,
          "description": "Stable upstream or configured base-model identity."
        },
        "revision": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "description": "Declared immutable upstream revision."
            },
            {
              "type": "null"
            }
          ],
          "description": "Upstream revision, or null when the provider supplies none."
        },
        "sha256": {
          "anyOf": [
            {
              "$ref": "common.schema.json#/$defs/sha256",
              "description": "Verified base-model content digest."
            },
            {
              "type": "null"
            }
          ],
          "description": "Known immutable content digest, or null for a provider-managed model without downloadable bytes."
        },
        "artifact": {
          "$ref": "common.schema.json#/$defs/artifactReference",
          "description": "Optional locally managed base-model artifact reference."
        },
        "format": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "description": "Declared base-model serialization format."
            },
            {
              "type": "null"
            }
          ],
          "description": "Known model format, or null when the provider does not declare it."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced upstream identity facts without credentials or local paths."
        }
      },
      "required": [
        "model_id",
        "revision",
        "sha256",
        "format"
      ],
      "additionalProperties": false
    },
    "provider": {
      "type": "object",
      "description": "Execution identity sufficient to distinguish local and hosted training provenance.",
      "properties": {
        "execution": {
          "type": "string",
          "enum": [
            "local",
            "hosted"
          ],
          "description": "Whether training ran locally or at the selected hosted provider."
        },
        "provider_id": {
          "type": "string",
          "minLength": 1,
          "description": "Stable configured provider identity, independent of transient access credentials."
        },
        "adapter_id": {
          "type": "string",
          "minLength": 1,
          "description": "Training adapter identity."
        },
        "contract_version": {
          "type": "string",
          "minLength": 1,
          "description": "Version of the training request/result contract."
        },
        "adapter_version": {
          "type": "string",
          "minLength": 1,
          "description": "Exact implementation version of the producing adapter."
        },
        "endpoint": {
          "$ref": "common.schema.json#/$defs/endpoint",
          "description": "Optional configured service endpoint without user information, tokens or fragments."
        },
        "credential_id": {
          "$ref": "common.schema.json#/$defs/credentialId",
          "description": "Optional opaque credential reference; never a credential value."
        },
        "implementation_sha256": {
          "$ref": "common.schema.json#/$defs/sha256",
          "description": "Optional verified local worker/executable distribution digest."
        },
        "provider_request_id": {
          "type": "string",
          "minLength": 1,
          "description": "Optional nonsecret provider request/operation identity."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced provider-specific execution facts."
        }
      },
      "required": [
        "execution",
        "provider_id",
        "adapter_id",
        "contract_version",
        "adapter_version"
      ],
      "additionalProperties": false
    },
    "datasetReference": {
      "type": "object",
      "description": "Immutable dataset lineage used by this exact model version.",
      "properties": {
        "dataset_snapshot_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "training_dataset_snapshot identity used by the run."
        },
        "manifest_sha256": {
          "$ref": "common.schema.json#/$defs/sha256",
          "description": "Expected immutable dataset manifest digest."
        },
        "originating_speaker_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Speaker for which the dataset was selected."
        },
        "speaker_identity_revision": {
          "$ref": "common.schema.json#/$defs/revision",
          "description": "Frozen speaker identity revision used by dataset selection."
        },
        "attribution_revisions": {
          "type": "array",
          "description": "Exact attribution observation revisions represented by selected members.",
          "items": {
            "type": "object",
            "description": "One frozen attribution identity/revision pair.",
            "properties": {
              "attribution_id": {
                "$ref": "common.schema.json#/$defs/uuid",
                "description": "Attribution observation stream identity."
              },
              "revision": {
                "$ref": "common.schema.json#/$defs/revision",
                "description": "Exact attribution revision used in the dataset."
              }
            },
            "required": [
              "attribution_id",
              "revision"
            ],
            "additionalProperties": false
          },
          "uniqueItems": true
        },
        "artifact": {
          "$ref": "common.schema.json#/$defs/artifactReference",
          "description": "Optional immutable dataset manifest artifact reference."
        }
      },
      "required": [
        "dataset_snapshot_id",
        "manifest_sha256",
        "originating_speaker_id",
        "speaker_identity_revision",
        "attribution_revisions"
      ],
      "additionalProperties": false
    },
    "preparationReference": {
      "type": "object",
      "description": "Immutable receipt binding every final training input back to the frozen dataset members.",
      "properties": {
        "preparation_manifest_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Stable identity of the training_preparation_manifest."
        },
        "manifest_sha256": {
          "$ref": "common.schema.json#/$defs/sha256",
          "description": "Expected canonical preparation manifest digest."
        },
        "artifact": {
          "allOf": [
            {
              "$ref": "common.schema.json#/$defs/artifactReference",
              "description": "Published preparation manifest bytes, including exact member/input-artifact maps."
            },
            {
              "required": [
                "sha256",
                "byte_length"
              ],
              "type": "object"
            }
          ],
          "description": "Published preparation manifest bytes, including exact member/input-artifact maps."
        },
        "input_artifact_ids": {
          "type": "array",
          "description": "Ordered final audio/text input artifact IDs consumed by this run.",
          "items": {
            "$ref": "common.schema.json#/$defs/uuid",
            "description": "One final immutable training input artifact."
          },
          "minItems": 1
        },
        "adapter_id": {
          "type": "string",
          "minLength": 1,
          "description": "Adapter that prepared the final training inputs."
        },
        "adapter_version": {
          "type": "string",
          "minLength": 1,
          "description": "Implementation version of the preparation adapter."
        },
        "options": {
          "$ref": "common.schema.json#/$defs/nonsecretOptions",
          "description": "Exact effective preparation options recorded in the manifest."
        }
      },
      "required": [
        "preparation_manifest_id",
        "manifest_sha256",
        "artifact",
        "input_artifact_ids",
        "adapter_id",
        "adapter_version",
        "options"
      ],
      "additionalProperties": false
    },
    "training": {
      "type": "object",
      "description": "Durable training execution and all immutable input identities for this published model version.",
      "properties": {
        "training_run_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Stable training_run identity."
        },
        "job_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Durable scheduler job identity."
        },
        "producing_attempt_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Job attempt that produced the published output."
        },
        "pipeline_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Saved training pipeline identity."
        },
        "pipeline_revision": {
          "$ref": "common.schema.json#/$defs/revision",
          "description": "Frozen pipeline revision used by the run."
        },
        "dataset": {
          "$ref": "#/$defs/datasetReference",
          "description": "Frozen dataset lineage and exact attribution revisions."
        },
        "preparation": {
          "$ref": "#/$defs/preparationReference",
          "description": "Exact final-input preparation manifest used by this run."
        },
        "provider": {
          "$ref": "#/$defs/provider",
          "description": "Producing adapter and local/hosted execution identity."
        },
        "base_model": {
          "anyOf": [
            {
              "$ref": "#/$defs/baseModel",
              "description": "Exact upstream/base-model identity."
            },
            {
              "type": "null"
            }
          ],
          "description": "Base-model dependency, or null when training did not use one."
        },
        "parameters": {
          "$ref": "common.schema.json#/$defs/nonsecretOptions",
          "description": "Exact effective training hyperparameters and options; adapter-specific values remain extensible."
        },
        "started_at": {
          "$ref": "common.schema.json#/$defs/utcInstant",
          "description": "UTC instant when this training run started."
        },
        "completed_at": {
          "$ref": "common.schema.json#/$defs/utcInstant",
          "description": "UTC instant when the producing attempt completed."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced run provenance with no secret values."
        }
      },
      "required": [
        "training_run_id",
        "job_id",
        "producing_attempt_id",
        "pipeline_id",
        "pipeline_revision",
        "dataset",
        "preparation",
        "provider",
        "base_model",
        "parameters",
        "started_at",
        "completed_at"
      ],
      "additionalProperties": false
    },
    "modelArtifact": {
      "type": "object",
      "description": "One immutable output file belonging to this model version.",
      "properties": {
        "role": {
          "type": "string",
          "minLength": 1,
          "description": "Declared artifact role, such as weights, config, tokenizer, reference-audio or custom adapter role."
        },
        "artifact": {
          "allOf": [
            {
              "$ref": "common.schema.json#/$defs/artifactReference",
              "description": "Verified durable output artifact identity and complete byte digest/length."
            },
            {
              "required": [
                "sha256",
                "byte_length"
              ],
              "type": "object"
            }
          ],
          "description": "Verified durable output artifact identity and complete byte digest/length."
        },
        "format": {
          "type": "string",
          "minLength": 1,
          "description": "Declared serialization/container format."
        },
        "required_for": {
          "type": "array",
          "description": "Operations that require this artifact, using declared operation identifiers.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One supported operation identifier."
          },
          "uniqueItems": true
        },
        "dependencies": {
          "type": "array",
          "description": "Other immutable artifact IDs required to interpret this output.",
          "items": {
            "$ref": "common.schema.json#/$defs/uuid",
            "description": "Required companion artifact identity."
          },
          "uniqueItems": true
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced format-specific output metadata."
        }
      },
      "required": [
        "role",
        "artifact",
        "format",
        "required_for",
        "dependencies"
      ],
      "additionalProperties": false
    },
    "hostedModel": {
      "type": "object",
      "description": "Provider-managed model output; the handle is a stable nonsecret identifier rather than downloadable weights.",
      "properties": {
        "provider_id": {
          "type": "string",
          "minLength": 1,
          "description": "Configured provider identity owning this model handle."
        },
        "provider_model_id": {
          "type": "string",
          "minLength": 1,
          "description": "Stable provider model identifier without credentials or transient signed URLs."
        },
        "downloadable": {
          "type": "boolean",
          "description": "Whether the declared provider adapter supports retrieving model bytes."
        },
        "supported_operations": {
          "type": "array",
          "description": "Operations supported by this hosted model according to its adapter declaration.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One supported operation."
          },
          "minItems": 1,
          "uniqueItems": true
        },
        "retrieval_adapter_id": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "description": "Adapter capable of retrieving weights."
            },
            {
              "type": "null"
            }
          ],
          "description": "Declared download adapter, or null when weights are not retrievable."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced provider output metadata without access secrets."
        }
      },
      "required": [
        "provider_id",
        "provider_model_id",
        "downloadable",
        "supported_operations",
        "retrieval_adapter_id"
      ],
      "additionalProperties": false
    },
    "outputs": {
      "type": "object",
      "description": "Validated output manifest; at least one durable artifact or hosted model handle must exist.",
      "properties": {
        "artifacts": {
          "type": "array",
          "description": "Durable files available for exact-version retrieval.",
          "items": {
            "$ref": "#/$defs/modelArtifact",
            "description": "One verified output file."
          }
        },
        "hosted_model": {
          "$ref": "#/$defs/hostedModel",
          "description": "Optional hosted-only or additional provider model handle."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced output formats declared by a custom training adapter."
        }
      },
      "required": [
        "artifacts"
      ],
      "additionalProperties": false,
      "anyOf": [
        {
          "properties": {
            "artifacts": {
              "minItems": 1,
              "description": "A downloadable artifact output contains at least one file.",
              "type": "array"
            }
          },
          "required": [
            "artifacts"
          ],
          "type": "object"
        },
        {
          "required": [
            "hosted_model"
          ],
          "type": "object"
        }
      ]
    },
    "compatibility": {
      "type": "object",
      "description": "Declared compatibility of this version; declarations are recorded without claiming unperformed runtime verification.",
      "properties": {
        "model_kind": {
          "type": "string",
          "minLength": 1,
          "description": "Declared type, such as voice-embedding, speech-synthesis or a custom adapter-defined model kind."
        },
        "architecture": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "description": "Declared model architecture."
            },
            {
              "type": "null"
            }
          ],
          "description": "Model architecture, or null when undeclared by the producing provider."
        },
        "supported_operations": {
          "type": "array",
          "description": "Operations this model version declares it can support.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One operation identifier."
          },
          "minItems": 1,
          "uniqueItems": true
        },
        "consumers": {
          "type": "array",
          "description": "Consumer adapter requirements for local or hosted use.",
          "items": {
            "type": "object",
            "description": "Compatibility declaration for one consuming adapter.",
            "properties": {
              "adapter_id": {
                "type": "string",
                "minLength": 1,
                "description": "Consumer adapter identity."
              },
              "contract_version": {
                "type": "string",
                "minLength": 1,
                "description": "Consumer contract version."
              },
              "implementation_version_range": {
                "type": "string",
                "minLength": 1,
                "description": "Declared compatible implementation version or range."
              },
              "accepted_formats": {
                "type": "array",
                "description": "Formats accepted by this consuming adapter.",
                "items": {
                  "type": "string",
                  "minLength": 1,
                  "description": "One model format."
                },
                "minItems": 1,
                "uniqueItems": true
              }
            },
            "required": [
              "adapter_id",
              "contract_version",
              "implementation_version_range",
              "accepted_formats"
            ],
            "additionalProperties": false
          }
        },
        "runtime_dependencies": {
          "type": "array",
          "description": "Declared software/runtime dependencies; no local install paths are carried.",
          "items": {
            "type": "object",
            "description": "One dependency compatibility declaration.",
            "properties": {
              "name": {
                "type": "string",
                "minLength": 1,
                "description": "Dependency distribution or runtime identity."
              },
              "version_requirement": {
                "type": "string",
                "minLength": 1,
                "description": "Declared compatible version or range."
              },
              "purpose": {
                "type": "string",
                "minLength": 1,
                "description": "How this dependency is used by the model consumer."
              }
            },
            "required": [
              "name",
              "version_requirement",
              "purpose"
            ],
            "additionalProperties": false
          }
        },
        "sample_rate_hz": {
          "anyOf": [
            {
              "type": "integer",
              "minimum": 1
            },
            {
              "type": "null"
            }
          ],
          "description": "Declared input/output sample rate where relevant, or null when not applicable or undeclared."
        },
        "channel_count": {
          "anyOf": [
            {
              "type": "integer",
              "minimum": 1
            },
            {
              "type": "null"
            }
          ],
          "description": "Declared audio channel count where relevant, or null when not applicable or undeclared."
        },
        "languages": {
          "type": "array",
          "description": "Declared supported language identifiers; an empty array makes no language-support claim.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One declared language identifier."
          },
          "uniqueItems": true
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Custom architecture/capability declarations interpreted by the relevant adapter."
        }
      },
      "required": [
        "model_kind",
        "architecture",
        "supported_operations",
        "consumers",
        "runtime_dependencies",
        "sample_rate_hz",
        "channel_count",
        "languages"
      ],
      "additionalProperties": false
    },
    "checkpoint": {
      "type": "object",
      "description": "Immutable training checkpoint and its resume-compatibility declaration; a checkpoint does not itself assert a completed model.",
      "properties": {
        "checkpoint_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Stable training_checkpoint identity."
        },
        "producing_attempt_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Attempt that emitted this checkpoint."
        },
        "training_step": {
          "type": "integer",
          "minimum": 0,
          "description": "Training step reported by the adapter."
        },
        "format": {
          "type": "string",
          "minLength": 1,
          "description": "Declared checkpoint serialization or provider format."
        },
        "artifact": {
          "allOf": [
            {
              "$ref": "common.schema.json#/$defs/artifactReference",
              "description": "Optional verified checkpoint bytes."
            },
            {
              "required": [
                "sha256",
                "byte_length"
              ],
              "type": "object"
            }
          ],
          "description": "Optional verified checkpoint bytes."
        },
        "hosted_handle": {
          "type": "string",
          "minLength": 1,
          "description": "Optional stable nonsecret provider checkpoint identifier."
        },
        "resume_supported": {
          "type": "boolean",
          "description": "Whether the producing adapter declares this checkpoint resumable."
        },
        "compatible_adapter_id": {
          "type": "string",
          "minLength": 1,
          "description": "Adapter identity declaring resume compatibility."
        },
        "compatible_adapter_version": {
          "type": "string",
          "minLength": 1,
          "description": "Compatible implementation version or range."
        },
        "base_model": {
          "anyOf": [
            {
              "$ref": "#/$defs/baseModel",
              "description": "Exact base-model requirement for resume."
            },
            {
              "type": "null"
            }
          ],
          "description": "Required base-model identity for resume, or null when none is required."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced checkpoint compatibility facts."
        }
      },
      "required": [
        "checkpoint_id",
        "producing_attempt_id",
        "training_step",
        "format",
        "resume_supported",
        "compatible_adapter_id",
        "compatible_adapter_version",
        "base_model"
      ],
      "additionalProperties": false,
      "anyOf": [
        {
          "required": [
            "artifact"
          ],
          "type": "object"
        },
        {
          "required": [
            "hosted_handle"
          ],
          "type": "object"
        }
      ]
    },
    "licenseDeclaration": {
      "type": "object",
      "description": "License/attribution statement preserved as metadata, with explicit unknown values rather than an invented eligibility policy.",
      "properties": {
        "scope": {
          "type": "string",
          "minLength": 1,
          "description": "Material covered by the declaration, such as base-model, output or training-data."
        },
        "declared_license": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "description": "Declared license expression or upstream name."
            },
            {
              "type": "null"
            }
          ],
          "description": "Declared license, or null when no declaration was supplied."
        },
        "attribution": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "description": "Required or supplied attribution text."
            },
            {
              "type": "null"
            }
          ],
          "description": "Supplied attribution text, or null when absent."
        },
        "source_basis": {
          "type": "string",
          "minLength": 1,
          "description": "Origin of the declaration, such as upstream-manifest, provider-report or user-entry."
        },
        "source_artifact": {
          "$ref": "common.schema.json#/$defs/artifactReference",
          "description": "Optional report/manifest artifact containing the declaration."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced rights metadata as supplied by the upstream source."
        }
      },
      "required": [
        "scope",
        "declared_license",
        "attribution",
        "source_basis"
      ],
      "additionalProperties": false
    },
    "evaluation": {
      "type": "object",
      "description": "Method-qualified training/evaluation metrics; no unmeasured quality claim is implied.",
      "properties": {
        "method": {
          "type": "string",
          "minLength": 1,
          "description": "Evaluation method identity."
        },
        "method_version": {
          "type": "string",
          "minLength": 1,
          "description": "Version of the evaluation method."
        },
        "metrics": {
          "type": "object",
          "description": "Named measurements reported by this method; absent measurements are not fabricated.",
          "additionalProperties": {
            "anyOf": [
              {
                "type": "number"
              },
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ]
          }
        },
        "report_artifact": {
          "$ref": "common.schema.json#/$defs/artifactReference",
          "description": "Optional immutable evaluation report."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced evaluation context without library content or credentials by default."
        }
      },
      "required": [
        "method",
        "method_version",
        "metrics"
      ],
      "additionalProperties": false
    }
  },
  "examples": [
    {
      "schema_version": "0.0.0",
      "kind": "speaker-model",
      "workspace_id": "00000000-0000-4000-8000-00000000000a",
      "model_family_id": "00000000-0000-4000-8000-000000000014",
      "model_version_id": "00000000-0000-4000-8000-000000000015",
      "originating_speaker_id": "00000000-0000-4000-8000-000000000006",
      "originating_speaker_identity_revision": 1,
      "created_at": {
        "iso": "2026-10-04T20:05:00Z",
        "unix_ns": 1791144300000000000
      },
      "manifest_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "display_name": "Example speaker model",
      "training": {
        "training_run_id": "00000000-0000-4000-8000-00000000000d",
        "job_id": "00000000-0000-4000-8000-00000000000e",
        "producing_attempt_id": "00000000-0000-4000-8000-00000000000f",
        "pipeline_id": "00000000-0000-4000-8000-000000000010",
        "pipeline_revision": 1,
        "dataset": {
          "dataset_snapshot_id": "00000000-0000-4000-8000-00000000000b",
          "manifest_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
          "originating_speaker_id": "00000000-0000-4000-8000-000000000006",
          "speaker_identity_revision": 1,
          "attribution_revisions": [
            {
              "attribution_id": "00000000-0000-4000-8000-000000000005",
              "revision": 1
            }
          ]
        },
        "preparation": {
          "preparation_manifest_id": "00000000-0000-4000-8000-000000000011",
          "manifest_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
          "artifact": {
            "artifact_id": "00000000-0000-4000-8000-000000000012",
            "sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
            "byte_length": 1024
          },
          "input_artifact_ids": [
            "00000000-0000-4000-8000-000000000013"
          ],
          "adapter_id": "example.audio-preparation",
          "adapter_version": "1.0.0",
          "options": {
            "normalize": false
          }
        },
        "provider": {
          "execution": "local",
          "provider_id": "local",
          "adapter_id": "example.voice-training",
          "contract_version": "1",
          "adapter_version": "1.0.0"
        },
        "base_model": null,
        "parameters": {
          "epochs": 2
        },
        "started_at": {
          "iso": "2026-10-04T20:02:00Z",
          "unix_ns": 1791144120000000000
        },
        "completed_at": {
          "iso": "2026-10-04T20:04:00Z",
          "unix_ns": 1791144240000000000
        }
      },
      "outputs": {
        "artifacts": [
          {
            "role": "weights",
            "artifact": {
              "artifact_id": "00000000-0000-4000-8000-000000000016",
              "sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
              "byte_length": 4096
            },
            "format": "example-voice-format",
            "required_for": [
              "voice-comparison"
            ],
            "dependencies": []
          }
        ]
      },
      "compatibility": {
        "model_kind": "voice-embedding",
        "architecture": "example-encoder",
        "supported_operations": [
          "voice-comparison"
        ],
        "consumers": [
          {
            "adapter_id": "example.voice-matcher",
            "contract_version": "1",
            "implementation_version_range": "1.x",
            "accepted_formats": [
              "example-voice-format"
            ]
          }
        ],
        "runtime_dependencies": [],
        "sample_rate_hz": 16000,
        "channel_count": 1,
        "languages": []
      },
      "checkpoints": [],
      "license_declarations": [
        {
          "scope": "output",
          "declared_license": null,
          "attribution": null,
          "source_basis": "provider-report"
        }
      ],
      "evaluations": [],
      "diagnostics": []
    },
    {
      "schema_version": "0.0.0",
      "kind": "speaker-model",
      "workspace_id": "00000000-0000-4000-8000-00000000000a",
      "model_family_id": "00000000-0000-4000-8000-000000000014",
      "model_version_id": "00000000-0000-4000-8000-000000000017",
      "originating_speaker_id": "00000000-0000-4000-8000-000000000006",
      "originating_speaker_identity_revision": 1,
      "created_at": {
        "iso": "2026-10-04T20:05:00Z",
        "unix_ns": 1791144300000000000
      },
      "manifest_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "display_name": "Example speaker model",
      "training": {
        "training_run_id": "00000000-0000-4000-8000-00000000000d",
        "job_id": "00000000-0000-4000-8000-00000000000e",
        "producing_attempt_id": "00000000-0000-4000-8000-00000000000f",
        "pipeline_id": "00000000-0000-4000-8000-000000000010",
        "pipeline_revision": 1,
        "dataset": {
          "dataset_snapshot_id": "00000000-0000-4000-8000-00000000000b",
          "manifest_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
          "originating_speaker_id": "00000000-0000-4000-8000-000000000006",
          "speaker_identity_revision": 1,
          "attribution_revisions": [
            {
              "attribution_id": "00000000-0000-4000-8000-000000000005",
              "revision": 1
            }
          ]
        },
        "preparation": {
          "preparation_manifest_id": "00000000-0000-4000-8000-000000000011",
          "manifest_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
          "artifact": {
            "artifact_id": "00000000-0000-4000-8000-000000000012",
            "sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
            "byte_length": 1024
          },
          "input_artifact_ids": [
            "00000000-0000-4000-8000-000000000013"
          ],
          "adapter_id": "example.audio-preparation",
          "adapter_version": "1.0.0",
          "options": {
            "normalize": false
          }
        },
        "provider": {
          "execution": "hosted",
          "provider_id": "example.hosted-training",
          "adapter_id": "example.hosted-voice-training",
          "contract_version": "1",
          "adapter_version": "1.0.0",
          "endpoint": "https://training.example.com",
          "credential_id": "00000000-0000-4000-8000-000000000018"
        },
        "base_model": null,
        "parameters": {
          "epochs": 2
        },
        "started_at": {
          "iso": "2026-10-04T20:02:00Z",
          "unix_ns": 1791144120000000000
        },
        "completed_at": {
          "iso": "2026-10-04T20:04:00Z",
          "unix_ns": 1791144240000000000
        }
      },
      "outputs": {
        "artifacts": [],
        "hosted_model": {
          "provider_id": "example.hosted-training",
          "provider_model_id": "model-example-001",
          "downloadable": false,
          "supported_operations": [
            "voice-comparison"
          ],
          "retrieval_adapter_id": null
        }
      },
      "compatibility": {
        "model_kind": "voice-embedding",
        "architecture": null,
        "supported_operations": [
          "voice-comparison"
        ],
        "consumers": [
          {
            "adapter_id": "example.hosted-voice-matcher",
            "contract_version": "1",
            "implementation_version_range": "1.x",
            "accepted_formats": [
              "provider-handle"
            ]
          }
        ],
        "runtime_dependencies": [],
        "sample_rate_hz": null,
        "channel_count": null,
        "languages": []
      },
      "checkpoints": [],
      "license_declarations": [
        {
          "scope": "output",
          "declared_license": null,
          "attribution": null,
          "source_basis": "provider-report"
        }
      ],
      "evaluations": [],
      "diagnostics": []
    }
  ]
}