{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "v": {
      "type": "number",
      "const": 1,
      "description": "Protocol major version."
    },
    "type": {
      "type": "string",
      "const": "project.changed"
    },
    "id": {
      "type": "string",
      "pattern": "^evt_[0-7][0-9A-HJKMNP-TV-Z]{25}$",
      "description": "The event's own id. Stable across a retry of the same event."
    },
    "ts": {
      "type": "string",
      "format": "date-time",
      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
      "description": "When it happened, by Chips' clock. Stamped on the way in; a value the sender writes is replaced."
    },
    "workspace_id": {
      "type": "string",
      "pattern": "^ws_[0-7][0-9A-HJKMNP-TV-Z]{25}$",
      "description": "A workspace identifier: `ws_` followed by a ULID."
    },
    "space_id": {
      "description": "The space, when the event belongs to one.",
      "type": "string",
      "pattern": "^spc_[0-7][0-9A-HJKMNP-TV-Z]{25}$"
    },
    "run_id": {
      "description": "The run, when the event belongs to one.",
      "type": "string",
      "pattern": "^run_[0-7][0-9A-HJKMNP-TV-Z]{25}$"
    },
    "seq": {
      "description": "Assigned by the server on append, monotonic per workspace. Absent on the way in.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 9007199254740991
    },
    "idempotency_key": {
      "description": "Required on every client-originated write. Sending the same key twice is a no-op.",
      "type": "string",
      "minLength": 1,
      "maxLength": 200
    },
    "actor": {
      "type": "object",
      "properties": {
        "kind": {
          "type": "string",
          "enum": [
            "person",
            "harness",
            "agent",
            "system"
          ],
          "description": "Whether a person, a harness, one of a harness's agents or Chips itself acted."
        },
        "id": {
          "type": "string",
          "minLength": 1,
          "description": "The participant id, or `system` for Chips."
        },
        "harness_id": {
          "description": "For an agent: the harness it speaks through, whose budget and runs are the agent's (ADR 0087). Filled in by Chips.",
          "type": "string",
          "pattern": "^hrn_[0-7][0-9A-HJKMNP-TV-Z]{25}$"
        }
      },
      "required": [
        "kind",
        "id"
      ],
      "description": "The participant an event is attributed to."
    },
    "by": {
      "type": "string",
      "minLength": 1,
      "maxLength": 120,
      "description": "Who pushed: the agent a harness named, or the person. Recorded by Chips."
    },
    "before": {
      "anyOf": [
        {
          "type": "string",
          "pattern": "^[0-9a-f]{40}(?:[0-9a-f]{24})?$",
          "description": "A commit, by its full git object id."
        },
        {
          "type": "null"
        }
      ],
      "description": "Where `main` was, or `null` for the project's first push."
    },
    "after": {
      "type": "string",
      "pattern": "^[0-9a-f]{40}(?:[0-9a-f]{24})?$",
      "description": "Where `main` is now."
    },
    "commits": {
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 9007199254740991,
      "description": "How many commits the push added to `main`."
    },
    "message": {
      "type": "string",
      "maxLength": 300,
      "description": "The first line of the newest commit's message."
    },
    "files": {
      "maxItems": 200,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "path": {
            "type": "string",
            "minLength": 1,
            "maxLength": 1024,
            "description": "Its path in the project, with `/` between folders."
          },
          "added": {
            "anyOf": [
              {
                "type": "integer",
                "minimum": 0,
                "maximum": 9007199254740991
              },
              {
                "type": "null"
              }
            ],
            "description": "Lines added; `null` for a binary file."
          },
          "removed": {
            "anyOf": [
              {
                "type": "integer",
                "minimum": 0,
                "maximum": 9007199254740991
              },
              {
                "type": "null"
              }
            ],
            "description": "Lines removed; `null` for a binary file."
          }
        },
        "required": [
          "path",
          "added",
          "removed"
        ]
      },
      "description": "What changed between `before` and `after`, in path order."
    },
    "more_files": {
      "description": "How many more files changed than are named.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 9007199254740991
    },
    "file_count": {
      "description": "How many files `main` has now, for the room sheet's Project tile (ADR 0222).",
      "type": "integer",
      "minimum": 0,
      "maximum": 9007199254740991
    },
    "undoes": {
      "description": "The change this one takes back, when it is a person's Undo, or Put it back's Undo of an Undo (ADR 0222).",
      "type": "string",
      "pattern": "^[0-9a-f]{40}(?:[0-9a-f]{24})?$"
    }
  },
  "required": [
    "v",
    "type",
    "id",
    "ts",
    "workspace_id",
    "actor",
    "by",
    "before",
    "after",
    "commits",
    "message",
    "files"
  ],
  "description": "Somebody's push moved the room's project forward: who, which commits, and the files they changed.",
  "$id": "https://chipschat.ai/schema/v1/project.changed.json",
  "title": "ProjectChanged"
}