{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.gomission.io/mission-decision/v2.json",
  "title": "Mission Decision v2",
  "description": "A separately committed, authenticated, signed principal decision bound to one exact grant, target, and input digest.",
  "type": "object",
  "required": ["schema", "decision_id", "outcome", "grant_id", "execution_id", "workspace_id", "capability", "target", "input_hash", "approval", "principal", "nonce", "decided_at", "expires_at", "source", "authentication", "signature"],
  "properties": {
    "schema": { "const": "mission-decision/v2" },
    "decision_id": { "type": "string", "minLength": 1 },
    "outcome": { "type": "string", "enum": ["approved", "rejected"] },
    "grant_id": { "type": "string", "minLength": 1 },
    "execution_id": { "type": "string", "minLength": 1 },
    "workspace_id": { "type": "string", "minLength": 1 },
    "capability": { "type": "string", "minLength": 1 },
    "target": { "type": "string" },
    "input_hash": { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
    "approval": { "type": "string", "minLength": 1 },
    "principal": { "type": "string", "minLength": 1 },
    "nonce": { "type": "string", "minLength": 16 },
    "decided_at": { "type": "string", "format": "date-time" },
    "expires_at": { "type": "string", "format": "date-time" },
    "source": { "type": "string", "minLength": 1 },
    "authentication": {
      "type": "object",
      "required": ["method", "credential_id", "verified_at", "proof_digest"],
      "properties": {
        "method": { "type": "string", "minLength": 1 },
        "credential_id": { "type": "string", "minLength": 1 },
        "verified_at": { "type": "string", "format": "date-time" },
        "proof_digest": { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" }
      },
      "additionalProperties": false
    },
    "signature": { "$ref": "https://schemas.gomission.io/mission-receipt-signature/v1.json" }
  },
  "additionalProperties": false
}