{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:middleware-instance-plan:v1",
  "title": "Middleware Instance Plan v1",
  "description": "Draft adapter-neutral, single-instance registration intent. The host validates authority, exact declared/package material, allocated identities, entrypoints, dependency DAG, limits and CAS; commits and applies the complete runtime snapshot. A plan grants no authority and contains no credentials or device selectors. Semantic checks remain required.",
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": [
    "doc/project/40-proposals/096-sensorium-brainflow-connector.md",
    "doc/project/40-proposals/080-multiplexed-middleware-channel-executor.md",
    "doc/project/40-proposals/091-file-backed-configuration-and-explainable-composition.md"
  ],
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "schema/v",
    "instance/ref",
    "declaration/ref",
    "package/ref",
    "executor",
    "module/id",
    "component/id",
    "home/binding",
    "channel-auth/binding",
    "dependencies"
  ],
  "properties": {
    "schema": {
      "const": "middleware-instance-plan.v1"
    },
    "schema/v": {
      "const": 1
    },
    "instance/ref": {
      "$ref": "#/$defs/ref"
    },
    "declaration/ref": {
      "$ref": "#/$defs/exactRef"
    },
    "package/ref": {
      "$ref": "#/$defs/exactRef"
    },
    "executor": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "kind",
        "entrypoint",
        "arguments"
      ],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 128,
          "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$"
        },
        "kind": {
          "const": "channel_json"
        },
        "entrypoint": {
          "type": "string",
          "minLength": 1,
          "maxLength": 256,
          "pattern": "^[A-Za-z0-9_-][A-Za-z0-9._-]*(/[A-Za-z0-9_-][A-Za-z0-9._-]*)*$",
          "description": "Package-relative admitted entrypoint; resolution must remain inside immutable package material, including symlink checks."
        },
        "arguments": {
          "type": "array",
          "maxItems": 32,
          "items": {
            "type": "string",
            "maxLength": 256
          },
          "description": "Admitted bounded arguments; no secrets or device selectors. Host verifies values against package/declaration."
        }
      }
    },
    "module/id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$"
    },
    "component/id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$"
    },
    "home/binding": {
      "$ref": "#/$defs/ref"
    },
    "channel-auth/binding": {
      "$ref": "#/$defs/ref"
    },
    "dependencies": {
      "type": "array",
      "maxItems": 64,
      "uniqueItems": true,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "component/ref",
          "readiness",
          "loss-policy"
        ],
        "properties": {
          "component/ref": {
            "$ref": "#/$defs/ref"
          },
          "readiness": {
            "const": "ready"
          },
          "loss-policy": {
            "enum": [
              "stop",
              "degrade"
            ]
          }
        }
      }
    }
  },
  "$defs": {
    "ref": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "revision"
      ],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 128,
          "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$"
        },
        "revision": {
          "type": "integer",
          "minimum": 1,
          "maximum": 9007199254740991
        },
        "digest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        }
      }
    },
    "exactRef": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "revision",
        "digest"
      ],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 128,
          "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$"
        },
        "revision": {
          "type": "integer",
          "minimum": 1,
          "maximum": 9007199254740991
        },
        "digest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        }
      }
    }
  }
}