{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://judgmentpack.org/schema/retained-column/1/contract.schema.json",
  "title": "Selected retained-column/1 contract fragments",
  "description": "Structural projection of spec/retained-column.md. Scalar, duplicate, byte, embedded JSON, signature, custody and semantic checks are separately required.",
  "$defs": {
    "conversion": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "contractVersion": {
              "const": "1"
            },
            "column": {
              "type": "string",
              "minLength": 1,
              "maxLength": 160
            },
            "kind": {
              "enum": [
                "text",
                "decimal",
                "number",
                "research-value"
              ]
            }
          },
          "required": [
            "contractVersion",
            "column",
            "kind"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "contractVersion": {
              "const": "1"
            },
            "column": {
              "type": "string",
              "minLength": 1,
              "maxLength": 160
            },
            "kind": {
              "const": "boolean"
            },
            "trueValue": {
              "type": "string",
              "minLength": 1,
              "maxLength": 160
            },
            "falseValue": {
              "type": "string",
              "minLength": 1,
              "maxLength": 160
            }
          },
          "required": [
            "contractVersion",
            "column",
            "kind",
            "trueValue",
            "falseValue"
          ],
          "additionalProperties": false
        }
      ]
    },
    "availability": {
      "type": "object",
      "properties": {
        "contractVersion": {
          "const": "1"
        },
        "column": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        }
      },
      "required": [
        "contractVersion",
        "column"
      ],
      "additionalProperties": false
    },
    "fact": {
      "type": "object",
      "properties": {
        "target": {
          "type": "string",
          "pattern": "^(?:/(?:[^~]|~[01])*)*$",
          "minLength": 1
        },
        "source": {
          "type": "string",
          "pattern": "^(?:/(?:[^~]|~[01])*)*$"
        },
        "conversion": {
          "$ref": "#/$defs/conversion"
        }
      },
      "required": [
        "target",
        "source",
        "conversion"
      ],
      "additionalProperties": false
    },
    "evidence": {
      "type": "object",
      "properties": {
        "requirement": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "source": {
          "type": "string",
          "pattern": "^(?:/(?:[^~]|~[01])*)*$"
        },
        "availability": {
          "$ref": "#/$defs/availability"
        }
      },
      "required": [
        "requirement",
        "source",
        "availability"
      ],
      "additionalProperties": false
    },
    "declarationEntry": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "fieldJson": {
          "type": "string",
          "maxLength": 16384
        }
      },
      "required": [
        "name",
        "fieldJson"
      ],
      "additionalProperties": false
    },
    "declaration": {
      "type": "object",
      "properties": {
        "recipeRevision": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "fields": {
          "type": "array",
          "maxItems": 1000,
          "items": {
            "$ref": "#/$defs/declarationEntry"
          }
        }
      },
      "required": [
        "recipeRevision",
        "fields"
      ],
      "additionalProperties": false
    },
    "field": {
      "type": "object",
      "properties": {
        "status": {
          "enum": [
            "supported",
            "interpretation",
            "missing",
            "conflicting",
            "inaccessible",
            "stale"
          ]
        },
        "valueJson": {
          "type": "string",
          "maxLength": 4194304
        }
      },
      "required": [
        "status"
      ],
      "additionalProperties": false
    },
    "research": {
      "type": "object",
      "properties": {
        "recordRecipeRevision": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "declaration": {
          "oneOf": [
            {
              "type": "null"
            },
            {
              "$ref": "#/$defs/declaration"
            }
          ]
        },
        "fields": {
          "type": "object",
          "maxProperties": 1000,
          "propertyNames": {
            "type": "string",
            "minLength": 1,
            "maxLength": 160
          },
          "additionalProperties": {
            "$ref": "#/$defs/field"
          }
        }
      },
      "required": [
        "recordRecipeRevision",
        "declaration",
        "fields"
      ],
      "additionalProperties": false
    },
    "frame": {
      "type": "object",
      "properties": {
        "contractVersion": {
          "const": "1"
        },
        "origin": {
          "enum": [
            "asserted",
            "generated"
          ]
        },
        "values": {
          "type": "object",
          "maxProperties": 1000,
          "propertyNames": {
            "type": "string",
            "minLength": 1,
            "maxLength": 160
          },
          "additionalProperties": {
            "type": [
              "string",
              "null"
            ],
            "maxLength": 524288
          }
        },
        "research": {
          "oneOf": [
            {
              "type": "null"
            },
            {
              "$ref": "#/$defs/research"
            }
          ]
        }
      },
      "required": [
        "contractVersion",
        "origin",
        "values",
        "research"
      ],
      "additionalProperties": false,
      "allOf": [
        {
          "if": {
            "properties": {
              "origin": {
                "const": "asserted"
              }
            }
          },
          "then": {
            "properties": {
              "research": {
                "type": "null"
              },
              "values": {
                "additionalProperties": {
                  "maxLength": 16000
                }
              }
            }
          },
          "else": {
            "properties": {
              "research": {
                "$ref": "#/$defs/research"
              }
            }
          }
        }
      ]
    },
    "input": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "state": {
              "const": "missing"
            }
          },
          "required": [
            "state"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "state": {
              "const": "present"
            },
            "ref": {
              "$ref": "#/$defs/inputReference"
            }
          },
          "required": [
            "state",
            "ref"
          ],
          "additionalProperties": false
        }
      ]
    },
    "result": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "state": {
              "const": "value"
            },
            "json": {
              "type": "string"
            }
          },
          "required": [
            "state",
            "json"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "state": {
              "const": "omitted"
            },
            "reason": {
              "enum": [
                "missing",
                "blank",
                "legacy-null",
                "unavailable"
              ]
            }
          },
          "required": [
            "state",
            "reason"
          ],
          "additionalProperties": false
        }
      ]
    },
    "researchIdentity": {
      "type": "object",
      "properties": {
        "recipeRevision": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "fieldSha256": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        }
      },
      "required": [
        "recipeRevision",
        "fieldSha256"
      ],
      "additionalProperties": false
    },
    "columnTransformation": {
      "type": "object",
      "properties": {
        "contractVersion": {
          "const": "1"
        },
        "column": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "input": {
          "$ref": "#/$defs/input"
        },
        "result": {
          "$ref": "#/$defs/result"
        },
        "researchIdentity": {
          "$ref": "#/$defs/researchIdentity"
        }
      },
      "required": [
        "contractVersion",
        "column",
        "input",
        "result"
      ],
      "additionalProperties": false
    },
    "generatedCarrier": {
      "type": "object",
      "properties": {
        "contractVersion": {
          "const": "1"
        },
        "originalSnapshotJson": {
          "type": "string"
        },
        "originalSnapshotSha256": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "retained": {
          "allOf": [
            {
              "$ref": "#/$defs/frame"
            },
            {
              "properties": {
                "origin": {
                  "const": "generated"
                }
              }
            }
          ]
        }
      },
      "required": [
        "contractVersion",
        "originalSnapshotJson",
        "originalSnapshotSha256",
        "retained"
      ],
      "additionalProperties": false
    },
    "specIdentity": {
      "type": "object",
      "properties": {
        "version": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "revision": {
          "type": "string",
          "pattern": "^[0-9a-f]{40}$"
        },
        "schemaSha256": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "corpusSha256": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        }
      },
      "required": [
        "version",
        "revision",
        "schemaSha256",
        "corpusSha256"
      ],
      "additionalProperties": false
    },
    "conversionCapability": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "contract": {
              "const": "retained-column/1"
            },
            "spec": {
              "$ref": "#/$defs/specIdentity"
            },
            "profile": {
              "enum": [
                "base",
                "extended"
              ]
            },
            "role": {
              "const": "document-validation"
            },
            "limits": {
              "type": "object",
              "properties": {
                "documentBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "frameBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                }
              },
              "required": [
                "documentBytes",
                "frameBytes"
              ],
              "additionalProperties": false
            }
          },
          "required": [
            "contract",
            "spec",
            "profile",
            "role",
            "limits"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "contract": {
              "const": "retained-column/1"
            },
            "spec": {
              "$ref": "#/$defs/specIdentity"
            },
            "profile": {
              "enum": [
                "base",
                "extended"
              ]
            },
            "role": {
              "const": "preview"
            },
            "limits": {
              "type": "object",
              "properties": {
                "documentBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "combinedBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "frameBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "profilesBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "requestBodyBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "inputReplyBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                }
              },
              "required": [
                "documentBytes",
                "combinedBytes",
                "frameBytes",
                "profilesBytes",
                "requestBodyBytes",
                "inputReplyBytes"
              ],
              "additionalProperties": false
            }
          },
          "required": [
            "contract",
            "spec",
            "profile",
            "role",
            "limits"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "contract": {
              "const": "retained-column/1"
            },
            "spec": {
              "$ref": "#/$defs/specIdentity"
            },
            "profile": {
              "enum": [
                "base",
                "extended"
              ]
            },
            "role": {
              "const": "preparation"
            },
            "limits": {
              "type": "object",
              "properties": {
                "documentBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "combinedBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "frameBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "preparationBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "recordBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "profilesBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "requestBodyBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "inputReplyBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "releaseStoredBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "runStoredBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "exportBaseBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "exportWireBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                }
              },
              "required": [
                "documentBytes",
                "combinedBytes",
                "frameBytes",
                "preparationBytes",
                "recordBytes",
                "profilesBytes",
                "requestBodyBytes",
                "inputReplyBytes",
                "releaseStoredBytes",
                "runStoredBytes",
                "exportBaseBytes",
                "exportWireBytes"
              ],
              "additionalProperties": false
            },
            "producerGrammar": {
              "const": "desk-reviewed-input/1"
            }
          },
          "required": [
            "contract",
            "spec",
            "profile",
            "role",
            "limits"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "contract": {
              "const": "retained-column/1"
            },
            "spec": {
              "$ref": "#/$defs/specIdentity"
            },
            "profile": {
              "enum": [
                "base",
                "extended"
              ]
            },
            "role": {
              "const": "preparation-verification"
            },
            "limits": {
              "type": "object",
              "properties": {
                "documentBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "combinedBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "frameBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "preparationBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "recordBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "profilesBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "requestBodyBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "inputReplyBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "releaseStoredBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "runStoredBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "exportBaseBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "exportWireBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                }
              },
              "required": [
                "documentBytes",
                "combinedBytes",
                "frameBytes",
                "preparationBytes",
                "recordBytes",
                "profilesBytes",
                "requestBodyBytes",
                "inputReplyBytes",
                "releaseStoredBytes",
                "runStoredBytes",
                "exportBaseBytes",
                "exportWireBytes"
              ],
              "additionalProperties": false
            },
            "producerGrammar": {
              "const": "desk-reviewed-input/1"
            }
          },
          "required": [
            "contract",
            "spec",
            "profile",
            "role",
            "limits"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "contract": {
              "const": "retained-column/1"
            },
            "spec": {
              "$ref": "#/$defs/specIdentity"
            },
            "profile": {
              "enum": [
                "base",
                "extended"
              ]
            },
            "role": {
              "const": "producer-carrier"
            },
            "limits": {
              "type": "object",
              "properties": {
                "originalSnapshotBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "carrierBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "grantBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "adapterStdoutBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "responseBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                },
                "profilesBytes": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 9007199254740991
                }
              },
              "required": [
                "originalSnapshotBytes",
                "carrierBytes",
                "grantBytes",
                "adapterStdoutBytes",
                "responseBytes",
                "profilesBytes"
              ],
              "additionalProperties": false
            },
            "producerGrammar": {
              "const": "desk-reviewed-input/1"
            }
          },
          "required": [
            "contract",
            "spec",
            "profile",
            "role",
            "limits"
          ],
          "additionalProperties": false
        }
      ]
    },
    "capabilities": {
      "type": "object",
      "properties": {
        "conversionContracts": {
          "type": "array",
          "maxItems": 32,
          "items": {
            "$ref": "#/$defs/conversionCapability"
          }
        }
      },
      "required": [
        "conversionContracts"
      ],
      "additionalProperties": false
    },
    "retainedColumnProducer": {
      "type": "object",
      "properties": {
        "contractVersion": {
          "const": "1"
        },
        "grammar": {
          "const": "desk-reviewed-input/1"
        }
      },
      "required": [
        "contractVersion",
        "grammar"
      ],
      "additionalProperties": false
    },
    "trustedProducerProjection": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
        },
        "profileDigest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "class": {
          "const": "generated"
        },
        "source": {
          "const": "desk-inputs"
        },
        "authority": {
          "type": "string",
          "minLength": 1,
          "maxLength": 256
        },
        "shape": {
          "const": "mcp"
        },
        "endpoint": {
          "const": "desk-local:reviewed-inputs"
        },
        "adapter": {
          "type": "object",
          "properties": {
            "name": {
              "const": "jpack-desk/reviewed-input"
            },
            "version": {
              "const": "2"
            },
            "digest": {
              "type": "string",
              "pattern": "^sha256:[0-9a-f]{64}$"
            }
          },
          "required": [
            "name",
            "version",
            "digest"
          ],
          "additionalProperties": false
        },
        "tools": {
          "type": "array",
          "items": {
            "const": "read_reviewed_input"
          },
          "minItems": 1,
          "maxItems": 1
        },
        "retainedColumnProducer": {
          "$ref": "#/$defs/retainedColumnProducer"
        }
      },
      "required": [
        "id",
        "profileDigest",
        "class",
        "source",
        "authority",
        "shape",
        "endpoint",
        "adapter",
        "tools",
        "retainedColumnProducer"
      ],
      "additionalProperties": false
    },
    "producerSourceBinding": {
      "type": "object",
      "properties": {
        "kind": {
          "const": "operation"
        },
        "profile": {
          "type": "string",
          "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
        },
        "profileDigest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        }
      },
      "required": [
        "kind",
        "profile",
        "profileDigest"
      ],
      "additionalProperties": false
    },
    "deskSnapshotProjection": {
      "type": "object",
      "properties": {
        "grammar": {
          "const": "desk-reviewed-input/1"
        },
        "snapshotVersion": {
          "const": 1
        },
        "snapshotClass": {
          "const": "generated"
        },
        "recordClass": {
          "const": "generated"
        },
        "runId": {
          "type": "string",
          "pattern": "^research_[a-f0-9]{32}$"
        },
        "recordRunId": {
          "type": "string",
          "pattern": "^research_[a-f0-9]{32}$"
        },
        "recipeVersion": {
          "type": "integer",
          "minimum": 1,
          "maximum": 9007199254740991
        },
        "recordRecipeVersion": {
          "type": "integer",
          "minimum": 1,
          "maximum": 9007199254740991
        },
        "values": {
          "type": "object",
          "propertyNames": {
            "type": "string",
            "minLength": 1,
            "maxLength": 160
          },
          "maxProperties": 1000,
          "additionalProperties": {
            "type": "string",
            "maxLength": 524288
          }
        },
        "declarations": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/declarationEntry"
          },
          "maxItems": 1000
        },
        "fields": {
          "type": "object",
          "propertyNames": {
            "type": "string",
            "minLength": 1,
            "maxLength": 160
          },
          "maxProperties": 1000,
          "additionalProperties": {
            "$ref": "#/$defs/field"
          }
        }
      },
      "required": [
        "grammar",
        "snapshotVersion",
        "snapshotClass",
        "recordClass",
        "runId",
        "recordRunId",
        "recipeVersion",
        "recordRecipeVersion",
        "values",
        "declarations",
        "fields"
      ],
      "additionalProperties": false
    },
    "previewAvailability": {
      "type": "object",
      "properties": {
        "contractVersion": {
          "const": "1"
        },
        "column": {
          "type": "string",
          "minLength": 1,
          "maxLength": 160
        },
        "kind": {
          "const": "evidence-availability"
        }
      },
      "required": [
        "contractVersion",
        "column",
        "kind"
      ],
      "additionalProperties": false
    },
    "generatedConsistencyBody": {
      "type": "object",
      "properties": {
        "carrier": {
          "$ref": "#/$defs/generatedCarrier"
        },
        "profile": {
          "enum": [
            "base",
            "extended"
          ]
        },
        "limits": {
          "type": "object",
          "properties": {
            "originalSnapshotBytes": {
              "type": "integer",
              "minimum": 1,
              "maximum": 9007199254740991
            },
            "carrierBytes": {
              "type": "integer",
              "minimum": 1,
              "maximum": 9007199254740991
            }
          },
          "required": [
            "originalSnapshotBytes",
            "carrierBytes"
          ],
          "additionalProperties": false
        },
        "trustedProducer": {
          "$ref": "#/$defs/trustedProducerProjection"
        },
        "sourceBinding": {
          "$ref": "#/$defs/producerSourceBinding"
        },
        "receiptResultDigest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "rule": {
          "oneOf": [
            {
              "$ref": "#/$defs/conversion"
            },
            {
              "$ref": "#/$defs/previewAvailability"
            }
          ]
        }
      },
      "required": [
        "carrier",
        "profile",
        "limits",
        "trustedProducer",
        "sourceBinding",
        "receiptResultDigest",
        "rule"
      ],
      "additionalProperties": false
    },
    "generatedConsistencyRequest": {
      "type": "object",
      "properties": {
        "generatedConsistency": {
          "$ref": "#/$defs/generatedConsistencyBody"
        }
      },
      "required": [
        "generatedConsistency"
      ],
      "additionalProperties": false
    },
    "generatedConsistencyResult": {
      "type": "object",
      "properties": {
        "consistent": {
          "const": true
        },
        "acquisition": {
          "const": "not-verified"
        },
        "history": {
          "const": "not-checked"
        },
        "originalSnapshotSha256": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "frameSha256": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "revisionIdentity": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "projection": {
          "$ref": "#/$defs/deskSnapshotProjection"
        },
        "transformation": {
          "$ref": "#/$defs/columnTransformation"
        }
      },
      "required": [
        "consistent",
        "acquisition",
        "history",
        "originalSnapshotSha256",
        "frameSha256",
        "revisionIdentity",
        "projection",
        "transformation"
      ],
      "additionalProperties": false
    },
    "inputReference": {
      "type": "object",
      "properties": {
        "frameSha256": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "location": {
          "enum": [
            "values",
            "research-value"
          ]
        }
      },
      "required": [
        "frameSha256",
        "location"
      ],
      "additionalProperties": false
    },
    "signedResponseFragment": {
      "type": "object",
      "description": "Envelope structure only; receipt/salts must separately satisfy the existing acquisition schema and verification. No signature validation is implied.",
      "properties": {
        "result": {
          "$ref": "#/$defs/generatedCarrier"
        },
        "receipt": {
          "type": "object"
        },
        "salts": {
          "type": "object"
        }
      },
      "required": [
        "result",
        "receipt",
        "salts"
      ],
      "additionalProperties": false
    },
    "preparationSource": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "response": {
              "$ref": "#/$defs/signedResponseFragment"
            }
          },
          "required": [
            "response"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "retainedResponseJson": {
              "type": "string",
              "minLength": 1
            }
          },
          "required": [
            "retainedResponseJson"
          ],
          "additionalProperties": false
        }
      ]
    },
    "assertedCaseCustody": {
      "description": "Only the case custody slot; existing enclosing source mapping/sources/import siblings remain counted and unchanged. Embedded retainedCaseJson must parse as a duplicate-free UTF8 JSON object.",
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "case": {
              "type": "object"
            }
          },
          "required": [
            "case"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "retainedCaseJson": {
              "type": "string",
              "minLength": 1
            }
          },
          "required": [
            "retainedCaseJson"
          ],
          "additionalProperties": false
        }
      ]
    },
    "selection": {
      "description": "Exact installed-package selector, carried before a larger body read and persisted for offline custody. No caller maxima or inferred support. Roles use the fixed canonical order; readers enforce ordering and installed identity.",
      "type": "object",
      "properties": {
        "contract": {
          "const": "retained-column/1"
        },
        "spec": {
          "$ref": "#/$defs/specIdentity"
        },
        "profile": {
          "enum": [
            "base",
            "extended"
          ]
        },
        "roles": {
          "type": "array",
          "minItems": 1,
          "maxItems": 5,
          "uniqueItems": true,
          "items": {
            "enum": [
              "document-validation",
              "preview",
              "preparation",
              "preparation-verification",
              "producer-carrier"
            ]
          }
        }
      },
      "required": [
        "contract",
        "spec",
        "profile",
        "roles"
      ],
      "additionalProperties": false
    },
    "selectedPreparation": {
      "type": "object",
      "required": [
        "conversionContract",
        "version",
        "verifiedAt",
        "mappingDigest",
        "verification",
        "cites",
        "lineage",
        "outcomes"
      ],
      "additionalProperties": false,
      "properties": {
        "conversionContract": {
          "$ref": "#/$defs/selection"
        },
        "version": {
          "enum": [
            2,
            3
          ]
        },
        "verifiedAt": {
          "type": "string",
          "format": "date-time"
        },
        "mappingDigest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "verification": {
          "type": "string"
        },
        "cites": {
          "type": "array"
        },
        "lineage": {
          "type": "array"
        },
        "outcomes": {
          "type": "array"
        }
      }
    }
  },
  "oneOf": [
    {
      "$ref": "#/$defs/fact"
    },
    {
      "$ref": "#/$defs/evidence"
    },
    {
      "$ref": "#/$defs/frame"
    },
    {
      "$ref": "#/$defs/columnTransformation"
    },
    {
      "$ref": "#/$defs/generatedCarrier"
    },
    {
      "$ref": "#/$defs/capabilities"
    },
    {
      "$ref": "#/$defs/retainedColumnProducer"
    },
    {
      "$ref": "#/$defs/trustedProducerProjection"
    },
    {
      "$ref": "#/$defs/producerSourceBinding"
    },
    {
      "$ref": "#/$defs/deskSnapshotProjection"
    },
    {
      "$ref": "#/$defs/generatedConsistencyRequest"
    },
    {
      "$ref": "#/$defs/generatedConsistencyResult"
    },
    {
      "$ref": "#/$defs/preparationSource"
    },
    {
      "$ref": "#/$defs/assertedCaseCustody"
    },
    {
      "$ref": "#/$defs/selection"
    },
    {
      "$ref": "#/$defs/selectedPreparation"
    }
  ]
}