{
  "argumentSchema": {
    "$defs": {
      "AddCommentEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "body": {
            "type": "string"
          }
        },
        "required": [
          "body"
        ],
        "type": "object"
      },
      "AddLinkEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "kind": {
            "$ref": "#/$defs/TopicLinkKind"
          },
          "label": {
            "type": "string"
          },
          "url": {
            "type": "string"
          }
        },
        "required": [
          "kind",
          "url",
          "label"
        ],
        "type": "object"
      },
      "MentionEvent": {
        "properties": {
          "topic": {
            "asCell": [
              "cell"
            ],
            "description": "The piece to reference — the piece itself, not an address. Identity here\nis the cell, so this is what a caller passes and what gets stored.\n\nDeclared through the ONE field every topic has rather than `unknown`, and\nthe narrowness is what makes a non-reference CHEAP TO CATCH — not what\ncatches it. An `asCell` payload is wrapped whole without validating what\nis behind it, so naming a property refuses nothing at the boundary: an\naddress sent as text, which an inline CLI call argument produces by being\nparsed as plain JSON, arrives here as readily as a piece does. What the\nnamed property buys is a one-field read that tells the two apart —\n`topic.get()` is `undefined` for a value that is not a reference and an\nobject for any piece — and `mention` spends it before storing anything.\n\n`title` is also the most this can safely name: this schema reaches every\ntopic in `mentionable`, so a property without a default would be demanded\nof topics written before it existed and refuse their update. `title`\ncarries one, and that default does double duty — it is also why the check\nadmits a piece that is not a topic at all, which reads back `{ title: \"\" }`\nrather than `undefined`. `deno task pattern-vintage` proves the update side\nby replaying a real board.\n\nNothing reads THROUGH it beyond that one field — the value is stored and\ncompared.",
            "properties": {
              "title": {
                "default": "",
                "type": "string"
              }
            },
            "required": [
              "title"
            ],
            "type": "object"
          }
        },
        "required": [
          "topic"
        ],
        "type": "object"
      },
      "SetBodyEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "body": {
            "type": "string"
          }
        },
        "required": [
          "body"
        ],
        "type": "object"
      },
      "TopicAuthor": {
        "properties": {
          "avatar": {
            "type": "string"
          },
          "kind": {
            "enum": [
              "person",
              "agent"
            ]
          },
          "name": {
            "type": "string"
          }
        },
        "required": [
          "kind",
          "name"
        ],
        "type": "object"
      },
      "TopicComment": {
        "properties": {
          "author": {
            "$ref": "#/$defs/TopicAuthor",
            "description": "Snapshot taken at write time (profile enrichment comes later; never gate\nauthorship on a profile wish — CT-1879). Comments carry no minted id:\narray elements have stable entity identity; future editing addresses\nelements by reference (`equals()`), not by a synthetic key."
          },
          "authorName": {
            "default": "",
            "type": "string"
          },
          "body": {
            "default": "",
            "type": "string"
          },
          "sentAt": {
            "default": 0,
            "type": "number"
          }
        },
        "required": [
          "authorName",
          "body",
          "sentAt"
        ],
        "type": "object"
      },
      "TopicCrossrefRow": {
        "properties": {
          "mentionedBy": {
            "items": {
              "type": "unknown"
            },
            "type": "array"
          },
          "topic": {
            "description": "The topic this row is about. `unknown` because it is written as a\nreference and only ever compared — `equals` takes the raw link. Anything\nwider retrieves the piece instead of pointing at it: declared `object`,\nthis field reads back as the whole expanded topic, `$UI` tree included.",
            "type": "unknown"
          }
        },
        "required": [
          "topic",
          "mentionedBy"
        ],
        "type": "object"
      },
      "TopicLink": {
        "properties": {
          "addedAt": {
            "type": "number"
          },
          "addedBy": {
            "$ref": "#/$defs/TopicAuthor"
          },
          "kind": {
            "$ref": "#/$defs/TopicLinkKind",
            "default": "web"
          },
          "label": {
            "default": "",
            "type": "string"
          },
          "url": {
            "default": "",
            "type": "string"
          }
        },
        "required": [
          "kind",
          "url",
          "label"
        ],
        "type": "object"
      },
      "TopicLinkKind": {
        "enum": [
          "pr",
          "topic",
          "session",
          "web"
        ]
      },
      "TopicMentionRef": {
        "properties": {
          "destination": {
            "type": "unknown"
          },
          "modifiedTitle": {
            "type": "boolean"
          }
        },
        "required": [
          "destination",
          "modifiedTitle"
        ],
        "type": "object"
      },
      "TopicMentionRefMap": {
        "additionalProperties": {
          "$ref": "#/$defs/TopicMentionRef"
        },
        "properties": {},
        "type": "object"
      },
      "TopicPiece": {
        "properties": {
          "$NAME": {
            "default": "",
            "description": "The topic's display name. Like the other derived display fields, a cold\nretained topic may not have produced this path yet; its persisted title\nremains authoritative until it does.",
            "type": [
              "string",
              "undefined"
            ]
          },
          "addComment": {
            "$ref": "#/$defs/AddCommentEvent",
            "asCell": [
              "stream"
            ]
          },
          "addLink": {
            "$ref": "#/$defs/AddLinkEvent",
            "asCell": [
              "stream"
            ]
          },
          "body": {
            "default": "",
            "type": "string"
          },
          "bodyUpdatedAt": {
            "type": [
              "number",
              "undefined"
            ]
          },
          "bodyUpdatedBy": {
            "anyOf": [
              {
                "type": "undefined"
              },
              {
                "$ref": "#/$defs/TopicAuthor"
              }
            ]
          },
          "commentCount": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "comments": {
            "items": {
              "$ref": "#/$defs/TopicComment"
            },
            "type": "array"
          },
          "createdAt": {
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            }
          },
          "createdByName": {
            "default": "",
            "type": "string"
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "links": {
            "items": {
              "$ref": "#/$defs/TopicLink"
            },
            "type": "array"
          },
          "mention": {
            "$ref": "#/$defs/MentionEvent",
            "asCell": [
              "stream"
            ],
            "description": "Reference another piece from this topic, and stop referencing it. The\nbrowser equivalent is picking a completion in the body editor, which writes\nthe same map.\n\nOPTIONAL, unlike the verbs beside them, and for the reason every added path\non this projection is: a topic deployed before these existed carries\nneither, and a required property it cannot produce refuses its update\noutright. The older verbs predate every deployed generation, so they can\nstay required; these cannot."
          },
          "mentioned": {
            "default": [],
            "description": "Pieces referenced outside the prose, recorded by `mention`.",
            "items": {
              "type": "unknown"
            },
            "type": "array"
          },
          "mentions": {
            "default": [],
            "description": "Every piece this topic's prose and links point at, as references.\n\nThe board's pivot is declared over this and nothing else, so what one topic\ncosts a full-board scan is exactly this list of identities. Declared\n`unknown[]` because these are references, and comparing them never reads\nwhat is behind them.\n\nThe cell annotation that makes them comparable belongs to the READER, not\nhere: the pivot declares its own view of this list as\n`TopicMentionSource.mentions: ComparableCell<unknown>[]`, and that is what\nmakes its graph settle rather than depend on load order. A published\n`unknown[]` is what each reader annotates for itself.\n\nThe default stands alone: a declared default and `| undefined` collide,\nand the default is what a topic deployed before this path existed\nmaterializes against.",
            "items": {
              "type": "unknown"
            },
            "type": "array"
          },
          "referencedBy": {
            "default": [],
            "description": "The topics that mention this one, read out of the board's pivot.\n\nDeclared through `TopicSummary` rather than `TopicPiece`, and that is\nload-bearing rather than stingy: a topic whose backlinks were topics would\nbe a type that contains itself, and resolving one from a list would walk\nthe graph. The summary carries no reference of its own, so it terminates.\nA reader that wants more follows the link, which resolves whole.",
            "items": {
              "$ref": "#/$defs/TopicSummary"
            },
            "type": "array"
          },
          "references": {
            "$ref": "#/$defs/TopicMentionRefMap",
            "default": {},
            "description": "Where this topic's `[Label][key]` mentions point. Durable content, like\n`links`. The body editor works on a session copy of this map, which a save\npublishes here whole, beside the prose whose tokens name its entries."
          },
          "setBody": {
            "$ref": "#/$defs/SetBodyEvent",
            "asCell": [
              "stream"
            ]
          },
          "title": {
            "default": "",
            "description": "Defaulted rather than required, like every other field a board card\nrenders. The card list is a mapped sub-pattern, so this type reaches a\npiece holding topics written before the field existed as the argument\nschema its update is checked against, and a required property those topics\nlack refuses that update outright. `deno task pattern-vintage` is what\ncatches it, by replaying a real deployed board.",
            "type": "string"
          },
          "unmention": {
            "$ref": "#/$defs/UnmentionEvent",
            "asCell": [
              "stream"
            ]
          }
        },
        "required": [
          "createdByName",
          "body",
          "comments",
          "links",
          "mentions",
          "references",
          "mentioned",
          "referencedBy",
          "addComment",
          "addLink",
          "setBody",
          "$NAME",
          "title",
          "createdAt",
          "commentCount",
          "lastActivityAt"
        ],
        "type": "object"
      },
      "TopicSummary": {
        "properties": {
          "commentCount": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "createdAt": {
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            }
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "title": {
            "default": "",
            "description": "Defaulted rather than required, like every other field a board card\nrenders. The card list is a mapped sub-pattern, so this type reaches a\npiece holding topics written before the field existed as the argument\nschema its update is checked against, and a required property those topics\nlack refuses that update outright. `deno task pattern-vintage` is what\ncatches it, by replaying a real deployed board.",
            "type": "string"
          }
        },
        "required": [
          "title",
          "createdAt",
          "commentCount",
          "lastActivityAt"
        ],
        "type": "object"
      },
      "UnmentionEvent": {
        "properties": {
          "topic": {
            "asCell": [
              "cell"
            ],
            "description": "Declared and checked exactly as `MentionEvent.topic` is, and for the same\nreason: a payload that is not a reference matches no stored entry, so\nwithout the check it would remove nothing and report success.",
            "properties": {
              "title": {
                "default": "",
                "type": "string"
              }
            },
            "required": [
              "title"
            ],
            "type": "object"
          }
        },
        "required": [
          "topic"
        ],
        "type": "object"
      }
    },
    "properties": {
      "boardCrossrefs": {
        "asCell": [
          "readonly"
        ],
        "default": [],
        "description": "The board's mention pivot, one row per topic. A topic reads its own row\nout of it and nothing else; see `backlinksOf`. Absent, a topic simply shows\nno inbound references.\n\nReadable, not writable: the pivot is the board's derivation, and a topic\nhas no business writing into it. Declaring the narrower cell says so where\na reader can see it, rather than leaving it to convention.",
        "items": {
          "$ref": "#/$defs/TopicCrossrefRow"
        },
        "type": "array"
      },
      "body": {
        "asCell": [
          "cell"
        ],
        "default": "",
        "description": "The topic's living document: durable conclusions get folded up into the\nbody; the comment thread below holds the deliberation.",
        "type": "string"
      },
      "bodyUpdatedAt": {
        "asCell": [
          "cell"
        ],
        "default": 0,
        "type": "number"
      },
      "bodyUpdatedBy": {
        "$ref": "#/$defs/TopicAuthor",
        "asCell": [
          "cell"
        ],
        "default": {
          "kind": "person",
          "name": ""
        }
      },
      "comments": {
        "asCell": [
          "cell"
        ],
        "default": [],
        "items": {
          "$ref": "#/$defs/TopicComment"
        },
        "type": "array"
      },
      "createdAt": {
        "default": 0,
        "type": "number"
      },
      "createdBy": {
        "$ref": "#/$defs/TopicAuthor"
      },
      "createdByName": {
        "default": "",
        "type": "string"
      },
      "links": {
        "asCell": [
          "cell"
        ],
        "default": [],
        "items": {
          "$ref": "#/$defs/TopicLink"
        },
        "type": "array"
      },
      "mentionable": {
        "asCell": [
          "cell"
        ],
        "default": [],
        "description": "The board's own topics list — the mention universe the body editor\nautocompletes over. A reference to the tracker's array, wired at creation\nlike `myName` (and backfillable as a one-time link-bind on pieces created\nbefore it existed). Absent, the editor simply offers no completions.",
        "items": {
          "$ref": "#/$defs/TopicPiece"
        },
        "type": "array"
      },
      "mentioned": {
        "asCell": [
          "cell"
        ],
        "default": [],
        "description": "Pieces this topic references outside its prose — what `mention` records.\n\nIts own list rather than an entry in `references`, because that map belongs\nto the body editor: the editor mints its keys, rewrites its labels, and\ncollects entries whose token has left the document. A verb writing there\nwould be writing into somebody else's bookkeeping. Here there is nothing to\nkey by, because there is nothing to point back at from the prose — a\nreference outside a sentence is just a link in a list.",
        "items": {
          "type": "unknown"
        },
        "type": "array"
      },
      "myName": {
        "asCell": [
          {
            "kind": "cell",
            "scope": "user"
          }
        ],
        "default": "",
        "type": "string"
      },
      "references": {
        "$ref": "#/$defs/TopicMentionRefMap",
        "asCell": [
          "cell"
        ],
        "default": {},
        "description": "Where this topic's `[Label][key]` mentions point, keyed by the token that\nappears in the body. The editor owns the contents; this pattern owns the\ncell, which is what makes a mention durable and — because each entry holds\nthe destination as a REFERENCE — what makes the reference graph a question\nabout cell identity rather than about text.\n\nThe default has to match the one `TopicOutput` publishes. A map published\nunder a different default than its input carries cannot be materialized."
      },
      "title": {
        "asCell": [
          "cell"
        ],
        "default": "",
        "type": "string"
      }
    },
    "type": "object"
  },
  "pattern": "topics/topic.tsx",
  "resultSchema": {
    "$defs": {
      "AddCommentEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "body": {
            "type": "string"
          }
        },
        "required": [
          "body"
        ],
        "type": "object"
      },
      "AddLinkEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "kind": {
            "$ref": "#/$defs/TopicLinkKind"
          },
          "label": {
            "type": "string"
          },
          "url": {
            "type": "string"
          }
        },
        "required": [
          "kind",
          "url",
          "label"
        ],
        "type": "object"
      },
      "MentionEvent": {
        "properties": {
          "topic": {
            "description": "The piece to reference — the piece itself, not an address. Identity here\nis the cell, so this is what a caller passes and what gets stored.\n\nDeclared through the ONE field every topic has rather than `unknown`, and\nthe narrowness is what makes a non-reference CHEAP TO CATCH — not what\ncatches it. An `asCell` payload is wrapped whole without validating what\nis behind it, so naming a property refuses nothing at the boundary: an\naddress sent as text, which an inline CLI call argument produces by being\nparsed as plain JSON, arrives here as readily as a piece does. What the\nnamed property buys is a one-field read that tells the two apart —\n`topic.get()` is `undefined` for a value that is not a reference and an\nobject for any piece — and `mention` spends it before storing anything.\n\n`title` is also the most this can safely name: this schema reaches every\ntopic in `mentionable`, so a property without a default would be demanded\nof topics written before it existed and refuse their update. `title`\ncarries one, and that default does double duty — it is also why the check\nadmits a piece that is not a topic at all, which reads back `{ title: \"\" }`\nrather than `undefined`. `deno task pattern-vintage` proves the update side\nby replaying a real board.\n\nNothing reads THROUGH it beyond that one field — the value is stored and\ncompared.",
            "properties": {
              "title": {
                "default": "",
                "type": "string"
              }
            },
            "required": [
              "title"
            ],
            "type": "object"
          }
        },
        "required": [
          "topic"
        ],
        "type": "object"
      },
      "SetBodyEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "body": {
            "type": "string"
          }
        },
        "required": [
          "body"
        ],
        "type": "object"
      },
      "TopicAuthor": {
        "properties": {
          "avatar": {
            "type": "string"
          },
          "kind": {
            "enum": [
              "person",
              "agent"
            ]
          },
          "name": {
            "type": "string"
          }
        },
        "required": [
          "kind",
          "name"
        ],
        "type": "object"
      },
      "TopicComment": {
        "properties": {
          "author": {
            "$ref": "#/$defs/TopicAuthor",
            "description": "Snapshot taken at write time (profile enrichment comes later; never gate\nauthorship on a profile wish — CT-1879). Comments carry no minted id:\narray elements have stable entity identity; future editing addresses\nelements by reference (`equals()`), not by a synthetic key."
          },
          "authorName": {
            "default": "",
            "type": "string"
          },
          "body": {
            "default": "",
            "type": "string"
          },
          "sentAt": {
            "default": 0,
            "type": "number"
          }
        },
        "required": [
          "authorName",
          "body",
          "sentAt"
        ],
        "type": "object"
      },
      "TopicLink": {
        "properties": {
          "addedAt": {
            "type": "number"
          },
          "addedBy": {
            "$ref": "#/$defs/TopicAuthor"
          },
          "kind": {
            "$ref": "#/$defs/TopicLinkKind",
            "default": "web"
          },
          "label": {
            "default": "",
            "type": "string"
          },
          "url": {
            "default": "",
            "type": "string"
          }
        },
        "required": [
          "kind",
          "url",
          "label"
        ],
        "type": "object"
      },
      "TopicLinkKind": {
        "enum": [
          "pr",
          "topic",
          "session",
          "web"
        ]
      },
      "TopicMentionRef": {
        "properties": {
          "destination": {
            "type": "unknown"
          },
          "modifiedTitle": {
            "type": "boolean"
          }
        },
        "required": [
          "destination",
          "modifiedTitle"
        ],
        "type": "object"
      },
      "TopicMentionRefMap": {
        "additionalProperties": {
          "$ref": "#/$defs/TopicMentionRef"
        },
        "properties": {},
        "type": "object"
      },
      "TopicSummary": {
        "properties": {
          "commentCount": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "createdAt": {
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            }
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "title": {
            "default": "",
            "description": "Defaulted rather than required, like every other field a board card\nrenders. The card list is a mapped sub-pattern, so this type reaches a\npiece holding topics written before the field existed as the argument\nschema its update is checked against, and a required property those topics\nlack refuses that update outright. `deno task pattern-vintage` is what\ncatches it, by replaying a real deployed board.",
            "type": "string"
          }
        },
        "required": [
          "title",
          "createdAt",
          "commentCount",
          "lastActivityAt"
        ],
        "type": "object"
      },
      "UnmentionEvent": {
        "properties": {
          "topic": {
            "description": "Declared and checked exactly as `MentionEvent.topic` is, and for the same\nreason: a payload that is not a reference matches no stored entry, so\nwithout the check it would remove nothing and report success.",
            "properties": {
              "title": {
                "default": "",
                "type": "string"
              }
            },
            "required": [
              "title"
            ],
            "type": "object"
          }
        },
        "required": [
          "topic"
        ],
        "type": "object"
      }
    },
    "description": "The complete result available when a Topic is instantiated directly.",
    "properties": {
      "$NAME": {
        "default": "",
        "description": "The topic's display name. Like the other derived display fields, a cold\nretained topic may not have produced this path yet; its persisted title\nremains authoritative until it does.",
        "type": [
          "string",
          "undefined"
        ]
      },
      "$UI": {
        "$ref": "https://commonfabric.org/schemas/vnode.json"
      },
      "addComment": {
        "$ref": "#/$defs/AddCommentEvent",
        "asCell": [
          "stream"
        ]
      },
      "addLink": {
        "$ref": "#/$defs/AddLinkEvent",
        "asCell": [
          "stream"
        ]
      },
      "body": {
        "default": "",
        "type": "string"
      },
      "bodyDraft": {
        "type": "string"
      },
      "bodyUpdatedAt": {
        "type": [
          "number",
          "undefined"
        ]
      },
      "bodyUpdatedBy": {
        "anyOf": [
          {
            "type": "undefined"
          },
          {
            "$ref": "#/$defs/TopicAuthor"
          }
        ]
      },
      "cancelEditBody": {
        "asCell": [
          "stream",
          "opaque"
        ],
        "tier": "wrapper"
      },
      "commentCount": {
        "default": 0,
        "type": [
          "number",
          "undefined"
        ]
      },
      "commentDraft": {
        "description": "Session-local composer/edit state. These controls belong to a direct Topic\ninstance, not the shared TopicPiece projection used by the tracker's list.",
        "type": "string"
      },
      "comments": {
        "items": {
          "$ref": "#/$defs/TopicComment"
        },
        "type": "array"
      },
      "createdAt": {
        "type": "number"
      },
      "createdBy": {
        "anyOf": [
          {
            "$ref": "#/$defs/TopicAuthor"
          },
          {
            "type": "undefined"
          }
        ],
        "default": {
          "kind": "person",
          "name": ""
        }
      },
      "createdByName": {
        "default": "",
        "type": "string"
      },
      "editingBody": {
        "scope": "session",
        "type": "boolean"
      },
      "lastActivityAt": {
        "default": 0,
        "type": [
          "number",
          "undefined"
        ]
      },
      "linkKindDraft": {
        "$ref": "#/$defs/TopicLinkKind"
      },
      "linkLabelDraft": {
        "type": "string"
      },
      "linkUrlDraft": {
        "type": "string"
      },
      "links": {
        "items": {
          "$ref": "#/$defs/TopicLink"
        },
        "type": "array"
      },
      "mention": {
        "$ref": "#/$defs/MentionEvent",
        "asCell": [
          "stream"
        ],
        "description": "Reference another piece from this topic, and stop referencing it. The\nbrowser equivalent is picking a completion in the body editor, which writes\nthe same map.\n\nOPTIONAL, unlike the verbs beside them, and for the reason every added path\non this projection is: a topic deployed before these existed carries\nneither, and a required property it cannot produce refuses its update\noutright. The older verbs predate every deployed generation, so they can\nstay required; these cannot."
      },
      "mentioned": {
        "default": [],
        "description": "Pieces referenced outside the prose, recorded by `mention`.",
        "items": {
          "type": "unknown"
        },
        "type": "array"
      },
      "mentions": {
        "default": [],
        "description": "Every piece this topic's prose and links point at, as references.\n\nThe board's pivot is declared over this and nothing else, so what one topic\ncosts a full-board scan is exactly this list of identities. Declared\n`unknown[]` because these are references, and comparing them never reads\nwhat is behind them.\n\nThe cell annotation that makes them comparable belongs to the READER, not\nhere: the pivot declares its own view of this list as\n`TopicMentionSource.mentions: ComparableCell<unknown>[]`, and that is what\nmakes its graph settle rather than depend on load order. A published\n`unknown[]` is what each reader annotates for itself.\n\nThe default stands alone: a declared default and `| undefined` collide,\nand the default is what a topic deployed before this path existed\nmaterializes against.",
        "items": {
          "type": "unknown"
        },
        "type": "array"
      },
      "referencedBy": {
        "default": [],
        "description": "The topics that mention this one, read out of the board's pivot.\n\nDeclared through `TopicSummary` rather than `TopicPiece`, and that is\nload-bearing rather than stingy: a topic whose backlinks were topics would\nbe a type that contains itself, and resolving one from a list would walk\nthe graph. The summary carries no reference of its own, so it terminates.\nA reader that wants more follows the link, which resolves whole.",
        "items": {
          "$ref": "#/$defs/TopicSummary"
        },
        "type": "array"
      },
      "references": {
        "$ref": "#/$defs/TopicMentionRefMap",
        "default": {},
        "description": "Where this topic's `[Label][key]` mentions point. Durable content, like\n`links`. The body editor works on a session copy of this map, which a save\npublishes here whole, beside the prose whose tokens name its entries."
      },
      "referencesDraft": {
        "$ref": "#/$defs/TopicMentionRefMap",
        "description": "The body draft's mention map, staged so Cancel can discard it.\n\n`cf-code-editor` writes an entry the moment a mention is inserted and\ndrops one the moment its token leaves the document, neither of them\nwaiting for Save. Pointed at the durable map while `$value` holds a\nsession draft, those writes would outlive a discarded edit: a canceled\ninsertion would leave an edge no token names, and a canceled deletion\nwould strip the destination from a token the durable body still carries.\nThe editor's own ordering assumes its two bindings share a lifetime, so\nthis gives them one."
      },
      "saveBody": {
        "asCell": [
          "stream",
          "opaque"
        ],
        "tier": "wrapper"
      },
      "setBody": {
        "$ref": "#/$defs/SetBodyEvent",
        "asCell": [
          "stream"
        ]
      },
      "startEditBody": {
        "asCell": [
          "stream",
          "opaque"
        ],
        "tier": "wrapper"
      },
      "submitComment": {
        "asCell": [
          "stream",
          "opaque"
        ],
        "description": "UI affordances as streams: composer submit, body edit lifecycle.",
        "tier": "wrapper"
      },
      "submitLink": {
        "asCell": [
          "stream",
          "opaque"
        ],
        "tier": "wrapper"
      },
      "title": {
        "default": "",
        "description": "Defaulted rather than required, like every other field a board card\nrenders. The card list is a mapped sub-pattern, so this type reaches a\npiece holding topics written before the field existed as the argument\nschema its update is checked against, and a required property those topics\nlack refuses that update outright. `deno task pattern-vintage` is what\ncatches it, by replaying a real deployed board.",
        "type": "string"
      },
      "unmention": {
        "$ref": "#/$defs/UnmentionEvent",
        "asCell": [
          "stream"
        ]
      }
    },
    "required": [
      "commentDraft",
      "bodyDraft",
      "editingBody",
      "linkUrlDraft",
      "linkLabelDraft",
      "linkKindDraft",
      "referencesDraft",
      "submitComment",
      "startEditBody",
      "saveBody",
      "cancelEditBody",
      "submitLink",
      "$UI",
      "createdByName",
      "body",
      "comments",
      "links",
      "mentions",
      "references",
      "mentioned",
      "referencedBy",
      "addComment",
      "addLink",
      "setBody",
      "$NAME",
      "title",
      "createdAt",
      "commentCount",
      "lastActivityAt"
    ],
    "type": "object"
  }
}