{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/shruggietech/insonic/v1.0.0/schemas/v1.0.0/speaker-dataset.schema.json",
  "title": "Speaker training dataset snapshot",
  "description": "Frozen ordered membership in current embedded recording evidence. A current-document or known-speaker mapping correction invalidates dependent membership and retires assignment-bearing manifests/preparations while retaining noncontent lineage.",
  "type": "object",
  "properties": {
    "schema_version": {
      "const": "1.0.0",
      "description": "Version of this portable document contract."
    },
    "kind": {
      "const": "speaker-dataset",
      "description": "Discriminator identifying an immutable speaker training dataset snapshot."
    },
    "workspace_id": {
      "$ref": "common.schema.json#/$defs/uuid",
      "description": "Workspace owning the snapshot and every referenced member."
    },
    "dataset_snapshot_id": {
      "$ref": "common.schema.json#/$defs/uuid",
      "description": "Stable immutable training_dataset_snapshot identity."
    },
    "speaker_id": {
      "$ref": "common.schema.json#/$defs/uuid",
      "description": "Originating catalog speaker for this selected corpus."
    },
    "speaker_identity_revision": {
      "$ref": "common.schema.json#/$defs/revision",
      "description": "Exact identity revision used when selecting this speaker's corpus."
    },
    "catalog_revision": {
      "$ref": "common.schema.json#/$defs/revision",
      "description": "Catalog revision against which selection was resolved."
    },
    "created_at": {
      "$ref": "common.schema.json#/$defs/utcInstant",
      "description": "UTC instant when this snapshot was frozen."
    },
    "manifest_sha256": {
      "anyOf": [
        {
          "$ref": "common.schema.json#/$defs/sha256",
          "description": "Current manifest content digest."
        },
        {
          "type": "null"
        }
      ],
      "description": "Current assignment-bearing manifest digest, or null after invalidation."
    },
    "manifest_artifact": {
      "anyOf": [
        {
          "$ref": "common.schema.json#/$defs/artifactReference",
          "description": "Current manifest artifact."
        },
        {
          "type": "null"
        }
      ],
      "description": "Current managed manifest, or null after retirement/invalidation."
    },
    "selection": {
      "$ref": "#/$defs/selection",
      "description": "Complete frozen selection recipe and effective filters."
    },
    "preparation": {
      "anyOf": [
        {
          "$ref": "#/$defs/preparation"
        },
        {
          "type": "null"
        }
      ],
      "description": "Current preparation recipe, or null after invalidation."
    },
    "members": {
      "type": "array",
      "description": "Ordered included segment memberships; empty snapshots represent no matching corpus and do not imply runnable training.",
      "items": {
        "$ref": "#/$defs/member"
      }
    },
    "exclusions": {
      "type": "array",
      "description": "Frozen excluded-segment decisions and their technical or user-supplied reasons.",
      "items": {
        "$ref": "#/$defs/exclusion"
      }
    },
    "summary": {
      "$ref": "#/$defs/summary",
      "description": "Frozen corpus totals and diagnostic summary."
    },
    "extensions": {
      "$ref": "common.schema.json#/$defs/extensions",
      "description": "Namespaced dataset metadata preserved without altering immutable membership."
    },
    "state": {
      "enum": [
        "current",
        "invalidated"
      ],
      "description": "Whether current evidence still authorizes this frozen corpus. Invalidated lineage has no executable manifest or membership."
    }
  },
  "required": [
    "schema_version",
    "kind",
    "workspace_id",
    "dataset_snapshot_id",
    "speaker_id",
    "speaker_identity_revision",
    "catalog_revision",
    "created_at",
    "manifest_sha256",
    "selection",
    "preparation",
    "members",
    "exclusions",
    "summary",
    "state"
  ],
  "additionalProperties": false,
  "$defs": {
    "selection": {
      "type": "object",
      "description": "Exact effective selection recipe, allowing automatic corpus selection without segment-by-segment approval.",
      "properties": {
        "recipe_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Stable selection recipe identity."
        },
        "recipe_revision": {
          "$ref": "common.schema.json#/$defs/revision",
          "description": "Frozen recipe revision."
        },
        "preset": {
          "type": "string",
          "minLength": 1,
          "description": "Readable preparation/diagnostic preset identity."
        },
        "preset_version": {
          "type": "string",
          "minLength": 1,
          "description": "Version defining the chosen preset's behavior."
        },
        "attribution_bases": {
          "type": "array",
          "description": "Allowed assignment bases; an empty array includes every declared basis.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One included attribution basis."
          },
          "uniqueItems": true
        },
        "source_asset_ids": {
          "type": "array",
          "description": "Optional source filter; an empty array covers the speaker's whole workspace corpus.",
          "items": {
            "$ref": "common.schema.json#/$defs/uuid",
            "description": "One included original media asset."
          },
          "uniqueItems": true
        },
        "languages": {
          "type": "array",
          "description": "Optional language filter; an empty array is language-independent.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One declared language identifier."
          },
          "uniqueItems": true
        },
        "minimum_duration_us": {
          "type": "integer",
          "minimum": 0,
          "description": "Minimum original segment duration considered by this recipe."
        },
        "maximum_duration_us": {
          "anyOf": [
            {
              "type": "integer",
              "minimum": 1,
              "description": "Maximum original segment duration considered by this recipe."
            },
            {
              "type": "null"
            }
          ],
          "description": "Upper segment-duration bound, or null when no upper bound is configured."
        },
        "explicitly_excluded_segment_ids": {
          "type": "array",
          "description": "User-selected exclusions applied automatically to this snapshot.",
          "items": {
            "$ref": "common.schema.json#/$defs/uuid",
            "description": "Excluded stable segment identity."
          },
          "uniqueItems": true
        },
        "options": {
          "$ref": "common.schema.json#/$defs/nonsecretOptions",
          "description": "Adapter-specific filters and quality thresholds validated by the selected preset/adapter."
        },
        "extensions": {
          "$ref": "common.schema.json#/$defs/extensions",
          "description": "Namespaced custom selection rules with documented adapter interpretation."
        }
      },
      "required": [
        "recipe_id",
        "recipe_revision",
        "preset",
        "preset_version",
        "attribution_bases",
        "source_asset_ids",
        "languages",
        "minimum_duration_us",
        "maximum_duration_us",
        "explicitly_excluded_segment_ids",
        "options"
      ],
      "additionalProperties": false
    },
    "preparation": {
      "type": "object",
      "description": "Frozen requested preparation contract; final prepared bytes are bound by a separate immutable preparation manifest.",
      "properties": {
        "adapter_id": {
          "type": "string",
          "minLength": 1,
          "description": "Selected preparation adapter identity."
        },
        "contract_version": {
          "type": "string",
          "minLength": 1,
          "description": "Version of the preparation request/result contract."
        },
        "adapter_version": {
          "type": "string",
          "minLength": 1,
          "description": "Version of the selected adapter implementation."
        },
        "options": {
          "$ref": "common.schema.json#/$defs/nonsecretOptions",
          "description": "Exact audio preparation options without credentials or temporary paths."
        },
        "transcript_required": {
          "type": "boolean",
          "description": "Whether this training input requires selected transcript and alignment references."
        },
        "output_format": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "description": "Requested prepared audio format."
            },
            {
              "type": "null"
            }
          ],
          "description": "Requested audio format, or null when the adapter consumes source streams directly."
        },
        "sample_rate_hz": {
          "anyOf": [
            {
              "type": "integer",
              "minimum": 1,
              "description": "Requested prepared sample rate in hertz."
            },
            {
              "type": "null"
            }
          ],
          "description": "Requested sample rate, or null when unchanged or not applicable."
        },
        "channel_count": {
          "anyOf": [
            {
              "type": "integer",
              "minimum": 1,
              "description": "Requested prepared channel count."
            },
            {
              "type": "null"
            }
          ],
          "description": "Requested output channel count, or null when unchanged or not applicable."
        }
      },
      "required": [
        "adapter_id",
        "contract_version",
        "adapter_version",
        "options",
        "transcript_required",
        "output_format",
        "sample_rate_hz",
        "channel_count"
      ],
      "additionalProperties": false
    },
    "member": {
      "type": "object",
      "description": "Reference-only frozen membership. Resolve against current recording authority before preparation; a superseded digest invalidates this corpus.",
      "properties": {
        "ordinal": {
          "type": "integer",
          "minimum": 0,
          "description": "Frozen member order."
        },
        "segment_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Immutable segment reference identity."
        },
        "segment_revision": {
          "$ref": "common.schema.json#/$defs/revision",
          "description": "Exact segment reference revision."
        },
        "recording_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Current recording owning the embedded Cueson evidence."
        },
        "document_digest": {
          "$ref": "common.schema.json#/$defs/sha256",
          "description": "Exact current embedded document digest; stale references fail resolution."
        },
        "cue_id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 1024,
          "description": "Cue identity inside the current embedded document."
        },
        "local_speaker_id": {
          "$ref": "common.schema.json#/$defs/localSpeakerID",
          "description": "Recording-scoped local speaker token occurring in this cue attribution."
        },
        "source_digest": {
          "$ref": "common.schema.json#/$defs/sha256",
          "description": "Exact canonical audio content digest resolved for this current reference."
        },
        "source_map_digest": {
          "$ref": "common.schema.json#/$defs/sha256",
          "description": "Exact canonical source-clock mapping digest resolved for this current reference."
        },
        "mapping_revision": {
          "$ref": "common.schema.json#/$defs/revision",
          "description": "Revision of the independent manual mapping used for this current reference."
        }
      },
      "required": [
        "ordinal",
        "segment_id",
        "segment_revision",
        "recording_id",
        "document_digest",
        "cue_id",
        "local_speaker_id"
      ],
      "additionalProperties": false
    },
    "exclusion": {
      "type": "object",
      "description": "One explicit selection exclusion retained for explainable automatic corpus selection.",
      "properties": {
        "segment_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Stable segment excluded from this snapshot."
        },
        "segment_revision": {
          "$ref": "common.schema.json#/$defs/revision",
          "description": "Segment revision evaluated by this decision."
        },
        "reason_codes": {
          "type": "array",
          "description": "Declared reasons for exclusion, such as duplicate-source-span or configured-overlap-filter.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One machine-readable reason code."
          },
          "minItems": 1,
          "uniqueItems": true
        },
        "method": {
          "type": "string",
          "minLength": 1,
          "description": "Preset/adapter or user action responsible for the decision."
        },
        "method_version": {
          "type": "string",
          "minLength": 1,
          "description": "Version of the method when this exclusion was computed."
        },
        "details": {
          "$ref": "common.schema.json#/$defs/nonsecretOptions",
          "description": "Nonsecret diagnostic values and effective thresholds explaining the decision."
        }
      },
      "required": [
        "segment_id",
        "segment_revision",
        "reason_codes",
        "method",
        "method_version",
        "details"
      ],
      "additionalProperties": false
    },
    "summary": {
      "type": "object",
      "description": "Totals frozen when selection completes; the application verifies consistency against membership.",
      "properties": {
        "segment_count": {
          "type": "integer",
          "minimum": 0,
          "description": "Number of included members."
        },
        "source_asset_count": {
          "type": "integer",
          "minimum": 0,
          "description": "Distinct original source assets represented by included members."
        },
        "original_duration_us": {
          "type": "integer",
          "minimum": 0,
          "description": "Sum of selected original intervals in integer microseconds after the recorded deduplication policy."
        },
        "prepared_duration_us": {
          "anyOf": [
            {
              "type": "integer",
              "minimum": 0,
              "description": "Known prepared duration in integer microseconds."
            },
            {
              "type": "null"
            }
          ],
          "description": "Known prepared duration, or null until preparation is materialized."
        },
        "excluded_segment_count": {
          "type": "integer",
          "minimum": 0,
          "description": "Number of excluded segment decisions retained in this snapshot."
        },
        "diagnostic_counts": {
          "type": "object",
          "description": "Counts keyed by declared technical diagnostic code.",
          "additionalProperties": {
            "type": "integer",
            "minimum": 0
          }
        },
        "languages": {
          "type": "array",
          "description": "Language identifiers observed or selected for the included corpus.",
          "items": {
            "type": "string",
            "minLength": 1,
            "description": "One language identifier."
          },
          "uniqueItems": true
        }
      },
      "required": [
        "segment_count",
        "source_asset_count",
        "original_duration_us",
        "prepared_duration_us",
        "excluded_segment_count",
        "diagnostic_counts",
        "languages"
      ],
      "additionalProperties": false
    }
  },
  "examples": [
    {
      "schema_version": "1.0.0",
      "kind": "speaker-dataset",
      "workspace_id": "00000000-0000-4000-8000-00000000000a",
      "dataset_snapshot_id": "00000000-0000-4000-8000-00000000000b",
      "speaker_id": "00000000-0000-4000-8000-000000000006",
      "speaker_identity_revision": 1,
      "catalog_revision": 1,
      "created_at": {
        "iso": "2026-10-04T20:01:00Z",
        "unix_ns": 1791144060000000000
      },
      "manifest_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "selection": {
        "recipe_id": "00000000-0000-4000-8000-00000000000c",
        "recipe_revision": 1,
        "preset": "speech-clean",
        "preset_version": "1.0.0",
        "attribution_bases": [],
        "source_asset_ids": [],
        "languages": [],
        "minimum_duration_us": 0,
        "maximum_duration_us": null,
        "explicitly_excluded_segment_ids": [],
        "options": {
          "exclude_duplicate_source_spans": true
        }
      },
      "preparation": {
        "adapter_id": "example.audio-preparation",
        "contract_version": "1",
        "adapter_version": "1.0.0",
        "options": {
          "normalize": false
        },
        "transcript_required": false,
        "output_format": "wav-pcm-s16le",
        "sample_rate_hz": 16000,
        "channel_count": 1
      },
      "members": [
        {
          "ordinal": 0,
          "segment_id": "00000000-0000-4000-8000-000000000001",
          "segment_revision": 1,
          "recording_id": "00000000-0000-4000-8000-000000000002",
          "document_digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
          "cue_id": "cue-000000",
          "local_speaker_id": "00000000-0000-4000-8000-000000000003"
        }
      ],
      "exclusions": [],
      "summary": {
        "segment_count": 1,
        "source_asset_count": 1,
        "original_duration_us": 2000000,
        "prepared_duration_us": null,
        "excluded_segment_count": 0,
        "diagnostic_counts": {},
        "languages": []
      },
      "state": "current"
    }
  ],
  "allOf": [
    {
      "if": {
        "type": "object",
        "properties": {
          "state": {
            "const": "invalidated",
            "description": "Evidence-state condition selecting current or invalidated lineage."
          }
        },
        "required": [
          "state"
        ]
      },
      "then": {
        "type": "object",
        "properties": {
          "members": {
            "type": "array",
            "maxItems": 0,
            "description": "Invalidated corpora have no executable memberships."
          },
          "manifest_sha256": {
            "type": "null",
            "description": "Assignment-bearing digest is cleared after invalidation."
          },
          "manifest_artifact": {
            "type": "null",
            "description": "Assignment-bearing artifact is cleared after invalidation."
          },
          "preparation": {
            "type": "null",
            "description": "Assignment-bearing preparation is cleared after invalidation."
          }
        }
      }
    }
  ]
}