{
  "$id": "https://raw.githubusercontent.com/shruggietech/insonic/v1.3.0/schemas/v1.3.0/speaker-discovery.schema.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Speaker discovery",
  "description": "Versioned standalone discovery envelope.",
  "$defs": {
    "current": {
      "description": "Workspace-scoped current discovery with receipt proof and freshness fence.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "id": {
          "description": "Workspace-scoped UUID.",
          "$ref": "common.schema.json#/$defs/uuid"
        },
        "work_id": {
          "description": "Workspace-scoped UUID.",
          "$ref": "common.schema.json#/$defs/uuid"
        },
        "revision": {
          "description": "Current aggregate revision.",
          "type": "integer",
          "minimum": 1
        },
        "recording_revision": {
          "description": "Frozen current recording revision.",
          "type": "integer",
          "minimum": 1
        },
        "document_digest": {
          "description": "SHA-256 of canonical authority bytes.",
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "source_epoch": {
          "description": "SHA-256 of canonical authority bytes.",
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "max_cues": {
          "description": "Elected cue admission cap.",
          "type": "integer",
          "minimum": 1,
          "maximum": 500
        },
        "matching_work_id": {
          "description": "Canonical identity when registered; null otherwise.",
          "anyOf": [
            {
              "$ref": "common.schema.json#/$defs/uuid"
            },
            {
              "type": "null"
            }
          ]
        },
        "aggregate": {
          "description": "Bounded current discovery evidence and resolution; not a speaker mapping.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "version": {
              "const": 1,
              "description": "Discovery contract version."
            },
            "coverage": {
              "description": "Explicit selected and omitted cue coverage.",
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "total_cues": {
                  "description": "All current cues.",
                  "type": "integer",
                  "minimum": 0
                },
                "selected_cues": {
                  "description": "Cues actually sent to the provider.",
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 500
                },
                "omitted_cues": {
                  "description": "Current cues outside the elected bounded scan.",
                  "type": "integer",
                  "minimum": 0
                },
                "calls": {
                  "description": "Provider calls made in one aggregate deadline.",
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 20
                }
              },
              "required": [
                "total_cues",
                "selected_cues",
                "omitted_cues",
                "calls"
              ]
            },
            "provenance": {
              "description": "Elected provider identity without credentials or transcript copies.",
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "adapter": {
                  "description": "Elected adapter.",
                  "type": "string",
                  "maxLength": 512
                },
                "model": {
                  "description": "Elected model.",
                  "type": "string",
                  "maxLength": 512
                },
                "route": {
                  "description": "Elected local or hosted route.",
                  "type": "string",
                  "maxLength": 512
                },
                "input_digest": {
                  "description": "Frozen input digest.",
                  "type": "string",
                  "maxLength": 64
                }
              },
              "required": [
                "adapter",
                "model",
                "route",
                "input_digest"
              ]
            },
            "hypotheses": {
              "description": "Deduplicated current hypotheses.",
              "type": "array",
              "items": {
                "description": "Versioned, non-authoritative name hypothesis with current source references.",
                "type": "object",
                "additionalProperties": false,
                "properties": {
                  "id": {
                    "description": "SHA-256 of canonical authority bytes.",
                    "type": "string",
                    "pattern": "^[a-f0-9]{64}$"
                  },
                  "class": {
                    "description": "Evidence class, never inferred from confidence.",
                    "enum": [
                      "self-identification",
                      "context-association",
                      "mention",
                      "quotation"
                    ]
                  },
                  "name": {
                    "description": "Observed candidate name.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "aliases": {
                    "description": "Observed alternatives and aliases.",
                    "type": "array",
                    "items": {
                      "description": "Observed name variant.",
                      "type": "string",
                      "maxLength": 512
                    },
                    "maxItems": 16
                  },
                  "language": {
                    "description": "Language observation, empty when unknown.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "role": {
                    "description": "Observed role context.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "relationship": {
                    "description": "Observed relationship context.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "voice_id": {
                    "description": "Recording-local voice; empty for unattributed mention.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "references": {
                    "description": "Exact current source citations.",
                    "type": "array",
                    "items": {
                      "description": "Exact current text citation without copied transcript.",
                      "type": "object",
                      "additionalProperties": false,
                      "properties": {
                        "start_byte": {
                          "description": "Inclusive UTF-8 byte offset in current cue text.",
                          "type": "integer",
                          "minimum": 0
                        },
                        "end_byte": {
                          "description": "Exclusive UTF-8 byte offset in current cue text.",
                          "type": "integer",
                          "minimum": 1
                        },
                        "cue_id": {
                          "description": "Current Cue JSON cue identifier.",
                          "type": "string",
                          "maxLength": 512
                        },
                        "quote_digest": {
                          "description": "SHA-256 of canonical authority bytes.",
                          "type": "string",
                          "pattern": "^[a-f0-9]{64}$"
                        }
                      },
                      "required": [
                        "start_byte",
                        "end_byte",
                        "cue_id",
                        "quote_digest"
                      ]
                    },
                    "maxItems": 16
                  },
                  "roots": {
                    "description": "Deduplicated original evidence-root hashes.",
                    "type": "array",
                    "items": {
                      "description": "SHA-256 of canonical authority bytes.",
                      "type": "string",
                      "pattern": "^[a-f0-9]{64}$"
                    },
                    "maxItems": 16
                  },
                  "uncertain": {
                    "description": "Explicit evidence classification flag.",
                    "type": "boolean"
                  },
                  "attributable": {
                    "description": "Explicit evidence classification flag.",
                    "type": "boolean"
                  }
                },
                "required": [
                  "id",
                  "class",
                  "name",
                  "aliases",
                  "language",
                  "role",
                  "relationship",
                  "voice_id",
                  "references",
                  "roots",
                  "uncertain",
                  "attributable"
                ]
              },
              "maxItems": 512
            },
            "acoustic": {
              "description": "Authenticated prior matching evidence with independently checked current enrollment lineage.",
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "availability": {
                  "description": "Current proof availability.",
                  "enum": [
                    "current",
                    "stale",
                    "unavailable"
                  ]
                },
                "work_id": {
                  "description": "Matching work ID, empty when absent.",
                  "type": "string",
                  "maxLength": 512
                },
                "digest": {
                  "description": "Authenticated evidence digest, empty when unavailable.",
                  "type": "string",
                  "maxLength": 64
                },
                "decisions": {
                  "description": "Persisted accepted acoustic decisions; no client scores.",
                  "type": "array",
                  "items": {
                    "description": "Voice-specific acoustic proof.",
                    "type": "object",
                    "additionalProperties": false,
                    "properties": {
                      "voice_id": {
                        "description": "Current local voice.",
                        "type": "string",
                        "maxLength": 512
                      },
                      "speaker_id": {
                        "description": "Canonical ID if selected, otherwise empty.",
                        "type": "string",
                        "maxLength": 512
                      },
                      "state": {
                        "description": "Original acoustic outcome.",
                        "enum": [
                          "matched",
                          "ambiguous",
                          "unknown",
                          "manual-preserved",
                          "contextual-preserved"
                        ]
                      },
                      "score": {
                        "description": "Authenticated cosine score, or null when unavailable.",
                        "type": [
                          "number",
                          "null"
                        ],
                        "minimum": -1,
                        "maximum": 1
                      },
                      "runner_up_score": {
                        "description": "Authenticated cosine score, or null when unavailable.",
                        "type": [
                          "number",
                          "null"
                        ],
                        "minimum": -1,
                        "maximum": 1
                      },
                      "independent": {
                        "description": "Explicit evidence classification flag.",
                        "type": "boolean"
                      },
                      "reason": {
                        "description": "Lineage eligibility reason.",
                        "type": "string",
                        "maxLength": 512
                      },
                      "profile_id": {
                        "description": "Exact profile version, empty when unavailable.",
                        "type": "string",
                        "maxLength": 512
                      }
                    },
                    "required": [
                      "voice_id",
                      "speaker_id",
                      "state",
                      "score",
                      "runner_up_score",
                      "independent",
                      "reason",
                      "profile_id"
                    ]
                  },
                  "maxItems": 1000
                },
                "eligible_profiles": {
                  "description": "Eligible canonical profile owners, unranked.",
                  "type": "array",
                  "items": {
                    "description": "Workspace-scoped UUID.",
                    "$ref": "common.schema.json#/$defs/uuid"
                  },
                  "maxItems": 1000
                }
              },
              "required": [
                "availability",
                "work_id",
                "digest",
                "decisions",
                "eligible_profiles"
              ]
            },
            "policy": {
              "description": "Deterministic configurable support thresholds.",
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "minimum_contextual_roots": {
                  "description": "Minimum distinct source roots for contextual support.",
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 16
                },
                "minimum_acoustic_score": {
                  "description": "Minimum cosine match score.",
                  "type": [
                    "number",
                    "null"
                  ],
                  "minimum": 0,
                  "maximum": 1
                },
                "minimum_acoustic_margin": {
                  "description": "Minimum winner versus runner-up margin.",
                  "type": [
                    "number",
                    "null"
                  ],
                  "minimum": 0,
                  "maximum": 1
                }
              },
              "required": [
                "minimum_contextual_roots",
                "minimum_acoustic_score",
                "minimum_acoustic_margin"
              ]
            },
            "decisions": {
              "description": "One decision per current local voice.",
              "type": "array",
              "items": {
                "description": "Reproducible decision preserving uncertainty and owner authority.",
                "type": "object",
                "additionalProperties": false,
                "properties": {
                  "voice_id": {
                    "description": "Current local voice.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "outcome": {
                    "description": "Resolution outcome.",
                    "enum": [
                      "matched",
                      "supported-contextual",
                      "ambiguous",
                      "conflicting",
                      "unknown"
                    ]
                  },
                  "speaker_id": {
                    "description": "Canonical identity when registered; null otherwise.",
                    "anyOf": [
                      {
                        "$ref": "common.schema.json#/$defs/uuid"
                      },
                      {
                        "type": "null"
                      }
                    ]
                  },
                  "identity_status": {
                    "description": "Canonical registration status.",
                    "enum": [
                      "registered",
                      "unregistered",
                      "unknown"
                    ]
                  },
                  "name": {
                    "description": "Supported name, empty without a selected candidate.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "alternatives": {
                    "description": "Competing identities remain separate despite equal spelling.",
                    "type": "array",
                    "items": {
                      "description": "Candidate identity.",
                      "type": "object",
                      "additionalProperties": false,
                      "properties": {
                        "speaker_id": {
                          "description": "Canonical identity when registered; null otherwise.",
                          "anyOf": [
                            {
                              "$ref": "common.schema.json#/$defs/uuid"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "name": {
                          "description": "Candidate name.",
                          "type": "string",
                          "maxLength": 512
                        }
                      },
                      "required": [
                        "speaker_id",
                        "name"
                      ]
                    },
                    "maxItems": 1000
                  },
                  "reasons": {
                    "description": "Sorted machine-readable reason codes.",
                    "type": "array",
                    "items": {
                      "description": "Reason code.",
                      "type": "string",
                      "maxLength": 512
                    },
                    "maxItems": 1024
                  },
                  "evidence_ids": {
                    "description": "Sorted supporting or non-identifying hypothesis IDs.",
                    "type": "array",
                    "items": {
                      "description": "SHA-256 of canonical authority bytes.",
                      "type": "string",
                      "pattern": "^[a-f0-9]{64}$"
                    },
                    "maxItems": 512
                  },
                  "roots": {
                    "description": "Sorted original source-root IDs.",
                    "type": "array",
                    "items": {
                      "description": "SHA-256 of canonical authority bytes.",
                      "type": "string",
                      "pattern": "^[a-f0-9]{64}$"
                    },
                    "maxItems": 8192
                  }
                },
                "required": [
                  "voice_id",
                  "outcome",
                  "speaker_id",
                  "identity_status",
                  "name",
                  "alternatives",
                  "reasons",
                  "evidence_ids",
                  "roots"
                ]
              },
              "maxItems": 1000
            },
            "owner_evidence": {
              "description": "References to current independently authoritative owner mappings; no copied assignment list.",
              "type": "array",
              "items": {
                "description": "Current manual mapping reference.",
                "type": "object",
                "additionalProperties": false,
                "properties": {
                  "mapping_id": {
                    "description": "Workspace-scoped UUID.",
                    "$ref": "common.schema.json#/$defs/uuid"
                  },
                  "revision": {
                    "description": "Exact accepted owner mapping revision.",
                    "type": "integer",
                    "minimum": 1
                  },
                  "voice_id": {
                    "description": "Current local voice identified by the mapping.",
                    "type": "string",
                    "maxLength": 512
                  }
                },
                "required": [
                  "mapping_id",
                  "revision",
                  "voice_id"
                ]
              },
              "maxItems": 1000
            }
          },
          "required": [
            "version",
            "coverage",
            "provenance",
            "hypotheses",
            "acoustic",
            "policy",
            "decisions"
          ]
        }
      },
      "required": [
        "id",
        "work_id",
        "revision",
        "recording_revision",
        "document_digest",
        "source_epoch",
        "max_cues",
        "matching_work_id",
        "aggregate"
      ]
    },
    "aggregate": {
      "description": "Bounded current discovery evidence and resolution; not a speaker mapping.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "version": {
          "const": 1,
          "description": "Discovery contract version."
        },
        "coverage": {
          "description": "Explicit selected and omitted cue coverage.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "total_cues": {
              "description": "All current cues.",
              "type": "integer",
              "minimum": 0
            },
            "selected_cues": {
              "description": "Cues actually sent to the provider.",
              "type": "integer",
              "minimum": 0,
              "maximum": 500
            },
            "omitted_cues": {
              "description": "Current cues outside the elected bounded scan.",
              "type": "integer",
              "minimum": 0
            },
            "calls": {
              "description": "Provider calls made in one aggregate deadline.",
              "type": "integer",
              "minimum": 0,
              "maximum": 20
            }
          },
          "required": [
            "total_cues",
            "selected_cues",
            "omitted_cues",
            "calls"
          ]
        },
        "provenance": {
          "description": "Elected provider identity without credentials or transcript copies.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "adapter": {
              "description": "Elected adapter.",
              "type": "string",
              "maxLength": 512
            },
            "model": {
              "description": "Elected model.",
              "type": "string",
              "maxLength": 512
            },
            "route": {
              "description": "Elected local or hosted route.",
              "type": "string",
              "maxLength": 512
            },
            "input_digest": {
              "description": "Frozen input digest.",
              "type": "string",
              "maxLength": 64
            }
          },
          "required": [
            "adapter",
            "model",
            "route",
            "input_digest"
          ]
        },
        "hypotheses": {
          "description": "Deduplicated current hypotheses.",
          "type": "array",
          "items": {
            "description": "Versioned, non-authoritative name hypothesis with current source references.",
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "id": {
                "description": "SHA-256 of canonical authority bytes.",
                "type": "string",
                "pattern": "^[a-f0-9]{64}$"
              },
              "class": {
                "description": "Evidence class, never inferred from confidence.",
                "enum": [
                  "self-identification",
                  "context-association",
                  "mention",
                  "quotation"
                ]
              },
              "name": {
                "description": "Observed candidate name.",
                "type": "string",
                "maxLength": 512
              },
              "aliases": {
                "description": "Observed alternatives and aliases.",
                "type": "array",
                "items": {
                  "description": "Observed name variant.",
                  "type": "string",
                  "maxLength": 512
                },
                "maxItems": 16
              },
              "language": {
                "description": "Language observation, empty when unknown.",
                "type": "string",
                "maxLength": 512
              },
              "role": {
                "description": "Observed role context.",
                "type": "string",
                "maxLength": 512
              },
              "relationship": {
                "description": "Observed relationship context.",
                "type": "string",
                "maxLength": 512
              },
              "voice_id": {
                "description": "Recording-local voice; empty for unattributed mention.",
                "type": "string",
                "maxLength": 512
              },
              "references": {
                "description": "Exact current source citations.",
                "type": "array",
                "items": {
                  "description": "Exact current text citation without copied transcript.",
                  "type": "object",
                  "additionalProperties": false,
                  "properties": {
                    "start_byte": {
                      "description": "Inclusive UTF-8 byte offset in current cue text.",
                      "type": "integer",
                      "minimum": 0
                    },
                    "end_byte": {
                      "description": "Exclusive UTF-8 byte offset in current cue text.",
                      "type": "integer",
                      "minimum": 1
                    },
                    "cue_id": {
                      "description": "Current Cue JSON cue identifier.",
                      "type": "string",
                      "maxLength": 512
                    },
                    "quote_digest": {
                      "description": "SHA-256 of canonical authority bytes.",
                      "type": "string",
                      "pattern": "^[a-f0-9]{64}$"
                    }
                  },
                  "required": [
                    "start_byte",
                    "end_byte",
                    "cue_id",
                    "quote_digest"
                  ]
                },
                "maxItems": 16
              },
              "roots": {
                "description": "Deduplicated original evidence-root hashes.",
                "type": "array",
                "items": {
                  "description": "SHA-256 of canonical authority bytes.",
                  "type": "string",
                  "pattern": "^[a-f0-9]{64}$"
                },
                "maxItems": 16
              },
              "uncertain": {
                "description": "Explicit evidence classification flag.",
                "type": "boolean"
              },
              "attributable": {
                "description": "Explicit evidence classification flag.",
                "type": "boolean"
              }
            },
            "required": [
              "id",
              "class",
              "name",
              "aliases",
              "language",
              "role",
              "relationship",
              "voice_id",
              "references",
              "roots",
              "uncertain",
              "attributable"
            ]
          },
          "maxItems": 512
        },
        "acoustic": {
          "description": "Authenticated prior matching evidence with independently checked current enrollment lineage.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "availability": {
              "description": "Current proof availability.",
              "enum": [
                "current",
                "stale",
                "unavailable"
              ]
            },
            "work_id": {
              "description": "Matching work ID, empty when absent.",
              "type": "string",
              "maxLength": 512
            },
            "digest": {
              "description": "Authenticated evidence digest, empty when unavailable.",
              "type": "string",
              "maxLength": 64
            },
            "decisions": {
              "description": "Persisted accepted acoustic decisions; no client scores.",
              "type": "array",
              "items": {
                "description": "Voice-specific acoustic proof.",
                "type": "object",
                "additionalProperties": false,
                "properties": {
                  "voice_id": {
                    "description": "Current local voice.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "speaker_id": {
                    "description": "Canonical ID if selected, otherwise empty.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "state": {
                    "description": "Original acoustic outcome.",
                    "enum": [
                      "matched",
                      "ambiguous",
                      "unknown",
                      "manual-preserved",
                      "contextual-preserved"
                    ]
                  },
                  "score": {
                    "description": "Authenticated cosine score, or null when unavailable.",
                    "type": [
                      "number",
                      "null"
                    ],
                    "minimum": -1,
                    "maximum": 1
                  },
                  "runner_up_score": {
                    "description": "Authenticated cosine score, or null when unavailable.",
                    "type": [
                      "number",
                      "null"
                    ],
                    "minimum": -1,
                    "maximum": 1
                  },
                  "independent": {
                    "description": "Explicit evidence classification flag.",
                    "type": "boolean"
                  },
                  "reason": {
                    "description": "Lineage eligibility reason.",
                    "type": "string",
                    "maxLength": 512
                  },
                  "profile_id": {
                    "description": "Exact profile version, empty when unavailable.",
                    "type": "string",
                    "maxLength": 512
                  }
                },
                "required": [
                  "voice_id",
                  "speaker_id",
                  "state",
                  "score",
                  "runner_up_score",
                  "independent",
                  "reason",
                  "profile_id"
                ]
              },
              "maxItems": 1000
            },
            "eligible_profiles": {
              "description": "Eligible canonical profile owners, unranked.",
              "type": "array",
              "items": {
                "description": "Workspace-scoped UUID.",
                "$ref": "common.schema.json#/$defs/uuid"
              },
              "maxItems": 1000
            }
          },
          "required": [
            "availability",
            "work_id",
            "digest",
            "decisions",
            "eligible_profiles"
          ]
        },
        "policy": {
          "description": "Deterministic configurable support thresholds.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "minimum_contextual_roots": {
              "description": "Minimum distinct source roots for contextual support.",
              "type": "integer",
              "minimum": 1,
              "maximum": 16
            },
            "minimum_acoustic_score": {
              "description": "Minimum cosine match score.",
              "type": [
                "number",
                "null"
              ],
              "minimum": 0,
              "maximum": 1
            },
            "minimum_acoustic_margin": {
              "description": "Minimum winner versus runner-up margin.",
              "type": [
                "number",
                "null"
              ],
              "minimum": 0,
              "maximum": 1
            }
          },
          "required": [
            "minimum_contextual_roots",
            "minimum_acoustic_score",
            "minimum_acoustic_margin"
          ]
        },
        "decisions": {
          "description": "One decision per current local voice.",
          "type": "array",
          "items": {
            "description": "Reproducible decision preserving uncertainty and owner authority.",
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "voice_id": {
                "description": "Current local voice.",
                "type": "string",
                "maxLength": 512
              },
              "outcome": {
                "description": "Resolution outcome.",
                "enum": [
                  "matched",
                  "supported-contextual",
                  "ambiguous",
                  "conflicting",
                  "unknown"
                ]
              },
              "speaker_id": {
                "description": "Canonical identity when registered; null otherwise.",
                "anyOf": [
                  {
                    "$ref": "common.schema.json#/$defs/uuid"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "identity_status": {
                "description": "Canonical registration status.",
                "enum": [
                  "registered",
                  "unregistered",
                  "unknown"
                ]
              },
              "name": {
                "description": "Supported name, empty without a selected candidate.",
                "type": "string",
                "maxLength": 512
              },
              "alternatives": {
                "description": "Competing identities remain separate despite equal spelling.",
                "type": "array",
                "items": {
                  "description": "Candidate identity.",
                  "type": "object",
                  "additionalProperties": false,
                  "properties": {
                    "speaker_id": {
                      "description": "Canonical identity when registered; null otherwise.",
                      "anyOf": [
                        {
                          "$ref": "common.schema.json#/$defs/uuid"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "description": "Candidate name.",
                      "type": "string",
                      "maxLength": 512
                    }
                  },
                  "required": [
                    "speaker_id",
                    "name"
                  ]
                },
                "maxItems": 1000
              },
              "reasons": {
                "description": "Sorted machine-readable reason codes.",
                "type": "array",
                "items": {
                  "description": "Reason code.",
                  "type": "string",
                  "maxLength": 512
                },
                "maxItems": 1024
              },
              "evidence_ids": {
                "description": "Sorted supporting or non-identifying hypothesis IDs.",
                "type": "array",
                "items": {
                  "description": "SHA-256 of canonical authority bytes.",
                  "type": "string",
                  "pattern": "^[a-f0-9]{64}$"
                },
                "maxItems": 512
              },
              "roots": {
                "description": "Sorted original source-root IDs.",
                "type": "array",
                "items": {
                  "description": "SHA-256 of canonical authority bytes.",
                  "type": "string",
                  "pattern": "^[a-f0-9]{64}$"
                },
                "maxItems": 8192
              }
            },
            "required": [
              "voice_id",
              "outcome",
              "speaker_id",
              "identity_status",
              "name",
              "alternatives",
              "reasons",
              "evidence_ids",
              "roots"
            ]
          },
          "maxItems": 1000
        },
        "owner_evidence": {
          "description": "References to current independently authoritative owner mappings; no copied assignment list.",
          "type": "array",
          "items": {
            "description": "Current manual mapping reference.",
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "mapping_id": {
                "description": "Workspace-scoped UUID.",
                "$ref": "common.schema.json#/$defs/uuid"
              },
              "revision": {
                "description": "Exact accepted owner mapping revision.",
                "type": "integer",
                "minimum": 1
              },
              "voice_id": {
                "description": "Current local voice identified by the mapping.",
                "type": "string",
                "maxLength": 512
              }
            },
            "required": [
              "mapping_id",
              "revision",
              "voice_id"
            ]
          },
          "maxItems": 1000
        }
      },
      "required": [
        "version",
        "coverage",
        "provenance",
        "hypotheses",
        "acoustic",
        "policy",
        "decisions"
      ]
    },
    "policy": {
      "description": "Deterministic configurable support thresholds.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "minimum_contextual_roots": {
          "description": "Minimum distinct source roots for contextual support.",
          "type": "integer",
          "minimum": 1,
          "maximum": 16
        },
        "minimum_acoustic_score": {
          "description": "Minimum cosine match score.",
          "type": [
            "number",
            "null"
          ],
          "minimum": 0,
          "maximum": 1
        },
        "minimum_acoustic_margin": {
          "description": "Minimum winner versus runner-up margin.",
          "type": [
            "number",
            "null"
          ],
          "minimum": 0,
          "maximum": 1
        }
      },
      "required": [
        "minimum_contextual_roots",
        "minimum_acoustic_score",
        "minimum_acoustic_margin"
      ]
    },
    "inputPolicy": {
      "description": "Deterministic configurable support thresholds.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "minimum_contextual_roots": {
          "description": "Minimum distinct source roots for contextual support.",
          "type": "integer",
          "minimum": 1,
          "maximum": 16
        },
        "minimum_acoustic_score": {
          "description": "Minimum cosine match score.",
          "type": [
            "number",
            "null"
          ],
          "minimum": 0,
          "maximum": 1
        },
        "minimum_acoustic_margin": {
          "description": "Minimum winner versus runner-up margin.",
          "type": [
            "number",
            "null"
          ],
          "minimum": 0,
          "maximum": 1
        }
      },
      "required": []
    }
  },
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "kind": {
      "const": "speaker-discovery",
      "description": "Master registry discriminator."
    },
    "schema_version": {
      "const": "1.3.0",
      "description": "Shared software and contract version."
    },
    "workspace_id": {
      "description": "Workspace-scoped UUID.",
      "$ref": "common.schema.json#/$defs/uuid"
    },
    "discovery": {
      "$ref": "#/$defs/current",
      "description": "Current workspace-scoped discovery."
    }
  },
  "required": [
    "kind",
    "schema_version",
    "workspace_id",
    "discovery"
  ],
  "examples": [
    {
      "kind": "speaker-discovery",
      "schema_version": "1.3.0",
      "workspace_id": "11111111-1111-4111-8111-111111111111",
      "discovery": {
        "id": "22222222-2222-4222-8222-222222222222",
        "work_id": "33333333-3333-4333-8333-333333333333",
        "revision": 3,
        "recording_revision": 1,
        "document_digest": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
        "source_epoch": "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
        "max_cues": 100,
        "matching_work_id": null,
        "aggregate": {
          "version": 1,
          "coverage": {
            "total_cues": 0,
            "selected_cues": 0,
            "omitted_cues": 0,
            "calls": 0
          },
          "provenance": {
            "adapter": "insonic-http",
            "model": "elected-model",
            "route": "local",
            "input_digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
          },
          "hypotheses": [],
          "acoustic": {
            "availability": "unavailable",
            "work_id": "",
            "digest": "",
            "decisions": [],
            "eligible_profiles": []
          },
          "policy": {
            "minimum_contextual_roots": 1,
            "minimum_acoustic_score": 0.8,
            "minimum_acoustic_margin": 0.1
          },
          "decisions": []
        }
      }
    }
  ]
}