{
  "argumentSchema": {
    "$defs": {
      "AddCommentEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "body": {
            "description": "The comment text, appended verbatim after trimming. Must be non-empty:\nan empty body rejects rather than recording a blank thread entry.",
            "type": "string"
          }
        },
        "required": [
          "body"
        ],
        "type": "object"
      },
      "AddLinkEvent": {
        "properties": {
          "agentName": {
            "description": "Explicit content-level signature for an agent using its human user's\nidentity key. Optional only so callers of the previous deployed schema\nremain valid; new callers must provide a non-blank name.",
            "type": "string"
          },
          "kind": {
            "$ref": "#/$defs/TopicLinkKind",
            "description": "What the link points at — a rendering hint, not a behavior switch.\nRequired by the deployed contract even though the handler would default\nit to \"web\": the compat gate compares a verb's event schema in the\nresult direction, where required-to-optional is refused, so relaxing\nthis rides the next acknowledged break rather than an ordinary deploy."
          },
          "label": {
            "description": "Display label. A blank label falls back to the URL; required to be\npresent for the same gate reason as `kind`.",
            "type": "string"
          },
          "url": {
            "description": "The link target. Must be http(s): anything else rejects, because a\nuser-supplied scheme on a shared surface is script execution in every\nviewer's session.",
            "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": {
            "description": "The complete replacement body, persisted verbatim — no trimming, so\nwhitespace-sensitive Markdown survives. An empty body is legal: clearing\na living document is an edit, not an error.",
            "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": "#/$defs/TopicLinkKind",
            "default": "web"
          },
          "label": {
            "default": "",
            "type": "string"
          },
          "url": {
            "default": "",
            "type": "string"
          }
        },
        "required": [
          "kind",
          "url",
          "label"
        ],
        "type": "object"
      },
      "TopicLinkKind": {
        "enum": [
          "session",
          "topic",
          "pr",
          "web"
        ]
      },
      "TopicMentionRef": {
        "properties": {
          "destination": {
            "type": "unknown"
          },
          "modifiedTitle": {
            "type": "boolean"
          }
        },
        "required": [
          "destination",
          "modifiedTitle"
        ],
        "type": "object"
      },
      "TopicMentionRefMap": {
        "additionalProperties": {
          "$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"
            ],
            "description": "Append to the thread — a point-in-time record of progress or\ndeliberation; durable conclusions belong in the body. Returns the\ncomment as recorded, resolved author and `sentAt` included."
          },
          "addLink": {
            "$ref": "#/$defs/AddLinkEvent",
            "asCell": [
              "stream"
            ],
            "description": "Attach a typed outbound link — a PR, an agent session, a web page.\nReturns the link as recorded, resolved `addedBy` and `addedAt`\nincluded. Appends merge and nothing dedupes: a repeated URL is two\nentries."
          },
          "body": {
            "default": "",
            "description": "The living document, verbatim Markdown. `setBody` replaces it whole.",
            "type": "string"
          },
          "bodyUpdatedAt": {
            "type": [
              "number",
              "undefined"
            ]
          },
          "bodyUpdatedBy": {
            "anyOf": [
              {
                "type": "undefined"
              },
              {
                "$ref": "#/$defs/TopicAuthor"
              }
            ]
          },
          "commentCount": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "comments": {
            "description": "The thread, in arrival order: append-only point-in-time records, each\ncarrying its author snapshot and `sentAt`.",
            "items": {
              "$ref": "#/$defs/TopicComment"
            },
            "type": "array"
          },
          "createdAt": {
            "description": "When the topic was filed (epoch milliseconds), stamped at create.",
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            }
          },
          "createdByName": {
            "default": "",
            "type": "string"
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "links": {
            "description": "Typed outbound links, in arrival order, each carrying its author\nsnapshot and `addedAt`.",
            "items": {
              "$ref": "#/$defs/TopicLink"
            },
            "type": "array"
          },
          "mention": {
            "$ref": "#/$defs/MentionEvent",
            "asCell": [
              "stream"
            ],
            "description": "Reference another piece from this topic — the payload is the piece\nitself, stored as a reference. The browser equivalent is picking a\ncompletion in the body editor, which writes the 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"
            ],
            "description": "Replace the living document whole — read it, revise it, write it back\ncomplete; the body is one value with whole-value conflict semantics.\nReturns the persisted body and any attribution written."
          },
          "title": {
            "default": "",
            "description": "The topic's title. Defaulted rather than required, like every other\nfield a board card renders: the card list is a mapped sub-pattern, so\nthis type reaches a piece holding topics written before the field\nexisted as the argument schema its update is checked against, and a\nrequired property those topics lack refuses that update outright.\n`deno task pattern-vintage` is what catches it, by replaying a real\ndeployed board.",
            "type": "string"
          },
          "unmention": {
            "$ref": "#/$defs/UnmentionEvent",
            "asCell": [
              "stream"
            ],
            "description": "Stop referencing a piece: removes every `mention`-made entry naming it.\nReferences made in the prose are retracted by editing the prose, not by\nthis. Optional on the projection for the same reason as `mention`."
          }
        },
        "required": [
          "createdByName",
          "body",
          "comments",
          "links",
          "mentions",
          "references",
          "mentioned",
          "referencedBy",
          "addComment",
          "addLink",
          "setBody",
          "$NAME",
          "title",
          "createdAt",
          "commentCount",
          "lastActivityAt"
        ],
        "type": "object"
      },
      "TopicSummary": {
        "properties": {
          "commentCount": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "createdAt": {
            "description": "When the topic was filed (epoch milliseconds), stamped at create.",
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            }
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "title": {
            "default": "",
            "description": "The topic's title. Defaulted rather than required, like every other\nfield a board card renders: the card list is a mapped sub-pattern, so\nthis type reaches a piece holding topics written before the field\nexisted as the argument schema its update is checked against, and a\nrequired property those topics lack refuses that update outright.\n`deno task pattern-vintage` is what catches it, by replaying a real\ndeployed 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": {
      "myName": {
        "asCell": [
          {
            "kind": "cell",
            "scope": "user"
          }
        ],
        "default": "",
        "type": "string"
      },
      "topics": {
        "asCell": [
          "cell"
        ],
        "default": [],
        "description": "The board's durable topic list. `addTopic` appends here; direct writes\nare legitimate but unattributed, and a whole-array write forfeits the\nmergeability the verb's append keeps.",
        "items": {
          "$ref": "#/$defs/TopicPiece"
        },
        "type": "array"
      }
    },
    "type": "object"
  },
  "pattern": "topics/main.tsx",
  "resultSchema": {
    "$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": {
            "description": "The comment text, appended verbatim after trimming. Must be non-empty:\nan empty body rejects rather than recording a blank thread entry.",
            "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",
            "description": "What the link points at — a rendering hint, not a behavior switch.\nRequired by the deployed contract even though the handler would default\nit to \"web\": the compat gate compares a verb's event schema in the\nresult direction, where required-to-optional is refused, so relaxing\nthis rides the next acknowledged break rather than an ordinary deploy."
          },
          "label": {
            "description": "Display label. A blank label falls back to the URL; required to be\npresent for the same gate reason as `kind`.",
            "type": "string"
          },
          "url": {
            "description": "The link target. Must be http(s): anything else rejects, because a\nuser-supplied scheme on a shared surface is script execution in every\nviewer's session.",
            "type": "string"
          }
        },
        "required": [
          "kind",
          "url",
          "label"
        ],
        "type": "object"
      },
      "AddTopicEvent": {
        "properties": {
          "agentName": {
            "description": "The agent making this mutation. The authenticated principal remains the\nhuman whose identity key invoked the stream; this is the agent's explicit\ncontent-level signature under that shared principal. Optional only so\ncallers of the previous deployed schema remain valid; new callers must\nprovide a non-blank name.",
            "type": "string"
          },
          "body": {
            "description": "The topic's initial living-document body. A topic born with a body\nappears with it atomically — no reader observes the title-only halfway\nstate, and no follow-up `setBody` call is needed to finish a create\n(verb contract: the atomic-unit rule).",
            "type": "string"
          },
          "title": {
            "description": "The topic's title, trimmed before it is stored. Must be non-empty.",
            "type": "string"
          }
        },
        "required": [
          "title"
        ],
        "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": {
            "description": "The complete replacement body, persisted verbatim — no trimming, so\nwhitespace-sensitive Markdown survives. An empty body is legal: clearing\na living document is an edit, not an error.",
            "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, `$UI` tree included.",
            "type": "unknown"
          }
        },
        "required": [
          "topic",
          "mentionedBy"
        ],
        "type": "object"
      },
      "TopicIndexRow": {
        "properties": {
          "commentCount": {
            "default": 0,
            "description": "Coalesced to 0 for a cold or older topic whose derived path is absent,\nso the row itself never carries the mixed-version undefined.",
            "type": [
              "number",
              "undefined"
            ]
          },
          "createdAt": {
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            },
            "description": "Who filed the topic. A topic written without structured authorship\nmaterializes the declared default — the inert legacy sentinel\n`{ kind: \"person\", name: \"\" }` — so a blank name here means \"unsigned\";\nthe display string then comes from the topic's own `createdByName`."
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "title": {
            "type": "string"
          }
        },
        "required": [
          "title",
          "createdAt",
          "commentCount",
          "lastActivityAt"
        ],
        "type": "object"
      },
      "TopicLink": {
        "properties": {
          "addedAt": {
            "type": "number"
          },
          "addedBy": {
            "$ref": "#/$defs/TopicAuthor"
          },
          "kind": {
            "$ref": "#/$defs/TopicLinkKind",
            "default": "web"
          },
          "label": {
            "default": "",
            "type": "string"
          },
          "url": {
            "default": "",
            "type": "string"
          }
        },
        "required": [
          "kind",
          "url",
          "label"
        ],
        "type": "object"
      },
      "TopicLinkKind": {
        "enum": [
          "session",
          "topic",
          "pr",
          "web"
        ]
      },
      "TopicMentionRef": {
        "properties": {
          "destination": {
            "type": "unknown"
          },
          "modifiedTitle": {
            "type": "boolean"
          }
        },
        "required": [
          "destination",
          "modifiedTitle"
        ],
        "type": "object"
      },
      "TopicMentionRefMap": {
        "additionalProperties": {
          "$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"
            ],
            "description": "Append to the thread — a point-in-time record of progress or\ndeliberation; durable conclusions belong in the body. Returns the\ncomment as recorded, resolved author and `sentAt` included."
          },
          "addLink": {
            "$ref": "#/$defs/AddLinkEvent",
            "asCell": [
              "stream"
            ],
            "description": "Attach a typed outbound link — a PR, an agent session, a web page.\nReturns the link as recorded, resolved `addedBy` and `addedAt`\nincluded. Appends merge and nothing dedupes: a repeated URL is two\nentries."
          },
          "body": {
            "default": "",
            "description": "The living document, verbatim Markdown. `setBody` replaces it whole.",
            "type": "string"
          },
          "bodyUpdatedAt": {
            "type": [
              "number",
              "undefined"
            ]
          },
          "bodyUpdatedBy": {
            "anyOf": [
              {
                "type": "undefined"
              },
              {
                "$ref": "#/$defs/TopicAuthor"
              }
            ]
          },
          "commentCount": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "comments": {
            "description": "The thread, in arrival order: append-only point-in-time records, each\ncarrying its author snapshot and `sentAt`.",
            "items": {
              "$ref": "#/$defs/TopicComment"
            },
            "type": "array"
          },
          "createdAt": {
            "description": "When the topic was filed (epoch milliseconds), stamped at create.",
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            }
          },
          "createdByName": {
            "default": "",
            "type": "string"
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "links": {
            "description": "Typed outbound links, in arrival order, each carrying its author\nsnapshot and `addedAt`.",
            "items": {
              "$ref": "#/$defs/TopicLink"
            },
            "type": "array"
          },
          "mention": {
            "$ref": "#/$defs/MentionEvent",
            "asCell": [
              "stream"
            ],
            "description": "Reference another piece from this topic — the payload is the piece\nitself, stored as a reference. The browser equivalent is picking a\ncompletion in the body editor, which writes the 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"
            ],
            "description": "Replace the living document whole — read it, revise it, write it back\ncomplete; the body is one value with whole-value conflict semantics.\nReturns the persisted body and any attribution written."
          },
          "title": {
            "default": "",
            "description": "The topic's title. Defaulted rather than required, like every other\nfield a board card renders: the card list is a mapped sub-pattern, so\nthis type reaches a piece holding topics written before the field\nexisted as the argument schema its update is checked against, and a\nrequired property those topics lack refuses that update outright.\n`deno task pattern-vintage` is what catches it, by replaying a real\ndeployed board.",
            "type": "string"
          },
          "unmention": {
            "$ref": "#/$defs/UnmentionEvent",
            "asCell": [
              "stream"
            ],
            "description": "Stop referencing a piece: removes every `mention`-made entry naming it.\nReferences made in the prose are retracted by editing the prose, not by\nthis. Optional on the projection for the same reason as `mention`."
          }
        },
        "required": [
          "createdByName",
          "body",
          "comments",
          "links",
          "mentions",
          "references",
          "mentioned",
          "referencedBy",
          "addComment",
          "addLink",
          "setBody",
          "$NAME",
          "title",
          "createdAt",
          "commentCount",
          "lastActivityAt"
        ],
        "type": "object"
      },
      "TopicSummary": {
        "properties": {
          "commentCount": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "createdAt": {
            "description": "When the topic was filed (epoch milliseconds), stamped at create.",
            "type": "number"
          },
          "createdBy": {
            "anyOf": [
              {
                "$ref": "#/$defs/TopicAuthor"
              },
              {
                "type": "undefined"
              }
            ],
            "default": {
              "kind": "person",
              "name": ""
            }
          },
          "lastActivityAt": {
            "default": 0,
            "type": [
              "number",
              "undefined"
            ]
          },
          "title": {
            "default": "",
            "description": "The topic's title. Defaulted rather than required, like every other\nfield a board card renders: the card list is a mapped sub-pattern, so\nthis type reaches a piece holding topics written before the field\nexisted as the argument schema its update is checked against, and a\nrequired property those topics lack refuses that update outright.\n`deno task pattern-vintage` is what catches it, by replaying a real\ndeployed 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": "Topics — a tracker over #topic pieces: durable units of shared attention\n(CT-1878). Deliberately minimal: no statuses, labels, or assignees; topics\nsort by last activity. Replaces Linear / GitHub issues / loose process docs\nfor the team; PR workflows stay in GitHub and arrive here as links.\n\nHeadless use: survey the whole board with one bounded read of `index` — a\nrow IS its topic, so a row's own address (`--select index[].@`) is what\nthat topic's reads and verbs take as the piece. File with `addTopic`,\ntitle and optional initial body in one call, then work on the topic\ndirectly: the body is its living document, the thread its append-only\ndeliberation. Sign every mutation with `agentName` — Fabric records the\nhuman principal behind the key; the name says which agent acted under it.",
    "properties": {
      "$NAME": {
        "type": "string"
      },
      "$UI": {
        "$ref": "https://commonfabric.org/schemas/vnode.json"
      },
      "addTopic": {
        "$ref": "#/$defs/AddTopicEvent",
        "asCell": [
          "stream"
        ],
        "description": "File a topic. The atomic unit takes the initial body with the title, so\nno reader observes a title-only halfway state and no follow-up `setBody`\nfinishes a create. Returns the created topic as its survey row — the\nreference plus the write-time facts the pattern resolved."
      },
      "crossrefs": {
        "default": [],
        "description": "The board's mention pivot, one row per topic: the topic, and the topics\nthat mention it. Published so a topic composed outside `addTopic` can be\nwired to the same table the board's own children read — the graph is\nderived once, here, and never per topic.",
        "items": {
          "$ref": "#/$defs/TopicCrossrefRow"
        },
        "type": "array"
      },
      "index": {
        "default": [],
        "description": "The full-board survey surface: one bounded row per topic, carrying the\nscalars a survey reads. A row IS its topic, so a row's own address is the\ntopic's — `--select index[].@` reads it, and an index into this array is\nnot a stable address.",
        "items": {
          "$ref": "#/$defs/TopicIndexRow"
        },
        "type": "array"
      },
      "mentionable": {
        "default": [],
        "description": "The same list, under the name the topic pattern's editor autocompletes\nover — what `addTopic` wires into each child as its mention universe.",
        "items": {
          "$ref": "#/$defs/TopicPiece"
        },
        "type": "array"
      },
      "myName": {
        "type": "string"
      },
      "newTitle": {
        "description": "Session-local draft for the footer composer (exposed for embedding and\nheadless driving, like the chat exemplar's drafts).",
        "type": "string"
      },
      "setMyName": {
        "asCell": [
          "stream"
        ],
        "deprecated": true,
        "properties": {
          "name": {
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "submitTopic": {
        "asCell": [
          "stream",
          "opaque"
        ],
        "description": "Submit the footer composer as the current viewer's canonical Profile.",
        "tier": "wrapper"
      },
      "topicCount": {
        "description": "How many topics the board holds, nulls included.",
        "type": "number"
      },
      "topics": {
        "description": "The board's topics, in filing order, as complete pieces — bodies,\nthreads, and verbs included. Survey through `index` instead; read this\nwhen you already know which topic you are expanding.",
        "items": {
          "$ref": "#/$defs/TopicPiece"
        },
        "type": "array"
      }
    },
    "required": [
      "topics",
      "mentionable",
      "topicCount",
      "crossrefs",
      "index",
      "addTopic",
      "myName",
      "setMyName",
      "submitTopic",
      "$NAME",
      "$UI"
    ],
    "tags": [
      "topic"
    ],
    "type": "object"
  }
}