{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "genesis.receipt.v1",
  "title": "GENESIS plug-in receipt (Einklinken E1)",
  "description": "What a guest returns for one packet, alongside their pull request. Reuses the actor{type,id} and ref{id,sha256,path} shapes from maker-handshake/schemas/genesis.event.v1.schema.json (vendored verbatim from PhoenixAddictionary/memoria-mcp@81a79ce; not itself modified) - extended here with a 'guest' actor type that schema does not define, because a receipt is a new kind of actor speaking, not a genesis.event.v1 envelope. No one grades their own work: verifierOutput must be the command's real, verbatim output; self-judgments belong in claims, marked as unverified, never folded into verifierOutput.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema", "packetId", "branch", "headCommit", "verifyCommand", "verifierOutput",
    "verifierExitCode", "actor", "submittedAt"
  ],
  "properties": {
    "schema": { "const": "genesis.receipt.v1" },
    "packetId": {
      "type": "string",
      "pattern": "^PKT-[0-9]{3}([A-Za-z0-9-]*)$"
    },
    "branch": { "type": "string", "minLength": 1 },
    "headCommit": {
      "type": "string",
      "pattern": "^[0-9a-f]{40}$",
      "description": "The exact commit a reviewer should check out to see what the receipt describes."
    },
    "verifyCommand": {
      "type": "array",
      "items": { "type": "string" },
      "minItems": 1,
      "description": "Must equal the packet's own verifyCommand - a receipt does not get to grade itself against an easier bar."
    },
    "verifierOutput": {
      "type": "string",
      "description": "Verbatim stdout+stderr of verifyCommand. Not a summary."
    },
    "verifierExitCode": { "type": "integer" },
    "actor": {
      "type": "object",
      "additionalProperties": false,
      "required": ["type", "id"],
      "properties": {
        "type": { "const": "guest" },
        "id": {
          "type": "string",
          "pattern": "^[A-Za-z0-9._-]+/[A-Za-z0-9._-]+$",
          "description": "<vendor-or-platform>/<handle>, e.g. github/octocat - never a name presented as this project's own maintainer or bahn."
        }
      }
    },
    "claims": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Self-reported statements the verifier did not check (e.g. 'also fixes #12'). Read as evidence to verify, never as a verdict."
    },
    "evidence": {
      "type": "array",
      "items": { "$ref": "#/$defs/ref" },
      "description": "Optional pointers to additional artifacts (screenshots, logs) using the same id/sha256/path shape as genesis.event.v1 refs."
    },
    "submittedAt": { "type": "string", "format": "date-time" }
  },
  "$defs": {
    "ref": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id"],
      "properties": {
        "id": { "type": "string", "minLength": 1 },
        "sha256": { "type": ["string", "null"], "pattern": "^[a-f0-9]{64}$" },
        "path": { "type": ["string", "null"] }
      }
    }
  },
  "x-genesis-rules": {
    "description": "Cross-field rules the stdlib validator enforces.",
    "rules": [
      "verifyCommand must equal the referenced packet's verifyCommand exactly.",
      "verifierExitCode 0 is required for a receipt to be eligible for MERGED (a nonzero exit is not itself a schema error - it is recorded, and CI on the PR is the second, independent run of the same command).",
      "actor.id may not equal any known maintainer or bahn identity - a guest never presents as this project's own voice."
    ]
  }
}