Workspace Intelligence / JSON Schema

Workspai Architecture Change Lease

Defines the versioned architecture change lease v1 boundary used by Workspai and its consumers.

Schema version: workspai.architecture-change-lease.v1
Contract path: contracts/workspace-intelligence/architecture-change-lease.v1.json
Publication: json-schema
Defined fields: 23
Artifact bindings: 1

Why this contract exists

Architecture role

Defines a versioned interoperability boundary used by Workspai and contract-aware consumers.

Consumption boundary

• Workspai CLI
• Workspace Intelligence consumers
• IDEs and agents

Related commands

Commands are linked only when the runtime contract identifies a direct production relationship. Supporting contracts may be consumed without having a single producer command.

workspai change begin

Produced artifacts

These durable files are emitted by registered commands and validated against this contract.

Artifact path	Schema	Producer
.workspai/changes/change-id/lease.json	workspai.architecture-change-lease.v1	workspai change begin

Field reference

Every declared schema property or published capability path is listed here. Required means the contract declares or publishes that field at the shown boundary.

Field path	Type	Required	Meaning	Constraints
baseline	object	Yes	Defines the baseline value at this contract boundary.	additionalProperties: false
baseline.graph	object	Yes	Defines the graph value at this contract boundary.	additionalProperties: false
baseline.graph.artifact	string	Yes	Defines the artifact value at this contract boundary.	minLength: 1
baseline.graph.digest	reference	Yes	Defines the digest value at this contract boundary.	ref: decision-event.v1.json#/$defs/digest
baseline.graph.inputHash	reference	Yes	Defines the inputhash value at this contract boundary.	ref: decision-event.v1.json#/$defs/sha256
baseline.graph.role	string	Yes	Defines the role value at this contract boundary.	minLength: 1
baseline.graph.schemaVersion	string	Yes	Defines the schemaversion value at this contract boundary.	minLength: 1
baseline.model	reference	Yes	Defines the model value at this contract boundary.	ref: decision-event.v1.json#/$defs/artifactReference
changeId	string	Yes	Defines the changeid value at this contract boundary.	pattern: ^change-[a-z0-9][a-z0-9-]{7,95}$
createdAt	string	Yes	Defines the createdat value at this contract boundary.	format: date-time
generation	reference	Yes	Defines the generation value at this contract boundary.	ref: decision-event.v1.json#/$defs/sha256
goalId	string	Yes	Defines the goalid value at this contract boundary.	minLength: 1
privateMaterialization	object	Yes	Defines the privatematerialization value at this contract boundary.	additionalProperties: false
privateMaterialization.artifact	string	Yes	Defines the artifact value at this contract boundary.	minLength: 1
privateMaterialization.authoritative	boolean	Yes	Defines the authoritative value at this contract boundary.	const: false
privateMaterialization.digest	reference	Yes	Defines the digest value at this contract boundary.	ref: decision-event.v1.json#/$defs/digest
privateMaterialization.portable	boolean	Yes	Defines the portable value at this contract boundary.	const: false
privateMaterialization.role	string	Yes	Defines the role value at this contract boundary.	const: "hash-bound-baseline-cache"
schemaVersion	string	Yes	Defines the schemaversion value at this contract boundary.	const: "workspai.architecture-change-lease.v1"
scope	reference	Yes	Defines the scope value at this contract boundary.	ref: decision-event.v1.json#/$defs/scope
semantics	string	Yes	Defines the semantics value at this contract boundary.	const: "optimistic-generation-guard"
workspace	object	Yes	Defines the workspace value at this contract boundary.	additionalProperties: false
workspace.name	string	Yes	Defines the name value at this contract boundary.	minLength: 1

Canonical machine-readable definition

The raw synchronized contract remains authoritative. The educational sections above are projections of this definition.

Show raw JSON

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://workspai.dev/schemas/workspace-intelligence/architecture-change-lease.v1.json",
  "title": "Workspai Architecture Change Lease",
  "type": "object",
  "required": [
    "schemaVersion",
    "changeId",
    "goalId",
    "createdAt",
    "workspace",
    "scope",
    "baseline",
    "generation",
    "semantics",
    "privateMaterialization"
  ],
  "properties": {
    "schemaVersion": {
      "const": "workspai.architecture-change-lease.v1"
    },
    "changeId": {
      "type": "string",
      "pattern": "^change-[a-z0-9][a-z0-9-]{7,95}$"
    },
    "goalId": {
      "type": "string",
      "minLength": 1
    },
    "createdAt": {
      "type": "string",
      "format": "date-time"
    },
    "workspace": {
      "type": "object",
      "required": [
        "name"
      ],
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1
        }
      },
      "additionalProperties": false
    },
    "scope": {
      "$ref": "decision-event.v1.json#/$defs/scope"
    },
    "baseline": {
      "type": "object",
      "required": [
        "model",
        "graph"
      ],
      "properties": {
        "model": {
          "$ref": "decision-event.v1.json#/$defs/artifactReference"
        },
        "graph": {
          "type": "object",
          "required": [
            "role",
            "artifact",
            "schemaVersion",
            "digest",
            "inputHash"
          ],
          "properties": {
            "role": {
              "type": "string",
              "minLength": 1
            },
            "artifact": {
              "type": "string",
              "minLength": 1
            },
            "schemaVersion": {
              "type": "string",
              "minLength": 1
            },
            "digest": {
              "$ref": "decision-event.v1.json#/$defs/digest"
            },
            "inputHash": {
              "$ref": "decision-event.v1.json#/$defs/sha256"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },
    "generation": {
      "$ref": "decision-event.v1.json#/$defs/sha256"
    },
    "semantics": {
      "const": "optimistic-generation-guard"
    },
    "privateMaterialization": {
      "type": "object",
      "required": [
        "artifact",
        "role",
        "portable",
        "authoritative",
        "digest"
      ],
      "properties": {
        "artifact": {
          "type": "string",
          "minLength": 1
        },
        "role": {
          "const": "hash-bound-baseline-cache"
        },
        "portable": {
          "const": false
        },
        "authoritative": {
          "const": false
        },
        "digest": {
          "$ref": "decision-event.v1.json#/$defs/digest"
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}