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A collaborative coding-agent orchestrator for atproto radl.app
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TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415import { COLLECTIONS, lexiconSchemas, type Collection, type RadialRecord,} from './generated/records.js'import { GOAL_SOURCE_GITHUB_ISSUE, GOAL_SOURCE_TANGLED_ISSUE, TANGLED_ISSUE_COLLECTION, isGitHubIssueUrl,} from './records.js'
export interface ValidationIssue { path: string message: string}
export type ValidationResult = | { success: true; value: RadialRecord } | { success: false; issues: ValidationIssue[] }
type Schema = { type: string required?: readonly string[] properties?: Readonly<Record<string, Schema>> items?: Schema ref?: string enum?: readonly unknown[] minLength?: number maxLength?: number minimum?: number maximum?: number minSize?: number maxSize?: number format?: string accept?: readonly string[]}
type Lexicon = { id: string defs: Readonly<Record<string, Schema & { record?: Schema }>>}
const lexicons = new Map( (lexiconSchemas as unknown as readonly Lexicon[]).map((lexicon) => [lexicon.id, lexicon]),)
const isObject = (value: unknown): value is Record<string, unknown> => typeof value === 'object' && value !== null && !Array.isArray(value)
function validateSchema( value: unknown, schema: Schema, lexicon: Lexicon, path: string, issues: ValidationIssue[],): void { if (schema.type === 'unknown') return
if (schema.type === 'ref') { if (schema.ref === 'com.atproto.repo.strongRef') { if ( !isObject(value) || typeof value.uri !== 'string' || !value.uri.startsWith('at://') || typeof value.cid !== 'string' || value.cid.length === 0 ) { issues.push({ path, message: 'must be an atproto strong reference' }) } return } const definition = schema.ref?.startsWith('#') ? lexicon.defs[schema.ref.slice(1)] : undefined if (!definition) { issues.push({ path, message: `references unknown schema ${schema.ref ?? ''}` }) return } validateSchema(value, definition, lexicon, path, issues) return }
if (schema.type === 'object') { if (!isObject(value)) { issues.push({ path, message: 'must be an object' }) return } const properties = schema.properties ?? {} for (const required of schema.required ?? []) { if (!(required in value)) { issues.push({ path: `${path}.${required}`, message: 'is required' }) } } for (const [key, child] of Object.entries(value)) { if (key === '$type' && path === '$') continue const property = properties[key] if (!property) { issues.push({ path: `${path}.${key}`, message: 'is not allowed' }) } else { validateSchema(child, property, lexicon, `${path}.${key}`, issues) } } return }
if (schema.type === 'array') { if (!Array.isArray(value)) { issues.push({ path, message: 'must be an array' }) return } if (schema.minLength !== undefined && value.length < schema.minLength) { issues.push({ path, message: `must contain at least ${schema.minLength} items` }) } if (schema.maxLength !== undefined && value.length > schema.maxLength) { issues.push({ path, message: `must contain at most ${schema.maxLength} items` }) } value.forEach((item, index) => validateSchema(item, schema.items as Schema, lexicon, `${path}[${index}]`, issues), ) return }
if (schema.type === 'blob') { if (!isObject(value)) { issues.push({ path, message: 'must be a blob reference' }) return } const ref = value.ref const size = value.size const mimeType = value.mimeType if ( value.$type !== 'blob' || !isObject(ref) || typeof ref.$link !== 'string' || typeof size !== 'number' || !Number.isInteger(size) || typeof mimeType !== 'string' ) { issues.push({ path, message: 'must be a valid blob reference' }) return } if (schema.maxSize !== undefined && size > schema.maxSize) { issues.push({ path, message: `blob exceeds ${schema.maxSize} bytes` }) } if (schema.accept && !schema.accept.includes(mimeType)) { issues.push({ path, message: `blob MIME type ${mimeType} is not accepted` }) } return }
if (schema.type === 'string') { if (typeof value !== 'string') { issues.push({ path, message: 'must be a string' }) return } if (schema.minLength !== undefined && value.length < schema.minLength) { issues.push({ path, message: `must be at least ${schema.minLength} characters` }) } if (schema.maxLength !== undefined && value.length > schema.maxLength) { issues.push({ path, message: `must be at most ${schema.maxLength} characters` }) } if (schema.enum && !schema.enum.includes(value)) { issues.push({ path, message: `must be one of ${schema.enum.join(', ')}` }) } if (schema.format === 'did' && !/^did:[a-z0-9]+:[A-Za-z0-9._:%-]+$/.test(value)) { issues.push({ path, message: 'must be a DID' }) } if (schema.format === 'datetime' && !isDatetime(value)) { issues.push({ path, message: 'must be an RFC 3339 datetime' }) } if (schema.format === 'uri' && !isUri(value)) { issues.push({ path, message: 'must be an absolute URI' }) } return }
if (schema.type === 'integer') { if (typeof value !== 'number' || !Number.isInteger(value)) { issues.push({ path, message: 'must be an integer' }) return } if (schema.minimum !== undefined && value < schema.minimum) { issues.push({ path, message: `must be at least ${schema.minimum}` }) } if (schema.maximum !== undefined && value > schema.maximum) { issues.push({ path, message: `must be at most ${schema.maximum}` }) } return }
if (schema.type === 'boolean' && typeof value !== 'boolean') { issues.push({ path, message: 'must be a boolean' }) }}
const isDatetime = (value: string): boolean => { const match = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(?:\.\d+)?Z$/.exec(value) if (!match) return false const [year, month, day, hour, minute, second] = match .slice(1) .map((part) => Number(part)) as [number, number, number, number, number, number] const instant = new Date(0) instant.setUTCFullYear(year, month - 1, day) instant.setUTCHours(hour, minute, second, 0) return ( instant.getUTCFullYear() === year && instant.getUTCMonth() === month - 1 && instant.getUTCDate() === day && instant.getUTCHours() === hour && instant.getUTCMinutes() === minute && instant.getUTCSeconds() === second )}
/** * An `at://` record URI. It is an absolute URI by RFC 3986 and the one Radial's own protocol is * written in, but WHATWG `new URL` REFUSES it: a DID sits in the authority position, and the `:` in * `did:plc:…` parses as a port that is not a number. * * That matters wherever a `format: uri` field can legitimately name a record rather than a page — * `artifact.links.pr` and `merge.pr` on a forge whose pull requests ARE records (tangled: a pull is * an `sh.tangled.repo.pull` record, and its appview number can be unavailable while Bobbin is * warming or disabled). Accepting it here is what preserves the stable fallback without a lexicon * change; the shape is checked strictly so this stays narrower than "any string". */const isAtUri = (value: string): boolean => /^at:\/\/(did:[a-z0-9]+:[A-Za-z0-9._:%-]+)(\/[^\s]*)?$/.test(value)
/** * A device key id is an opaque handle a member mints for one signing key, and it is used as a RECORD * KEY (`device`/`deviceAddress` are rkeyed by it, so a rotation is a new record rather than a * rewrite). Restricting it to the atproto record-key character set is what keeps the two spellings * from ever needing translation. */const isDeviceKeyId = (value: string): boolean => /^[A-Za-z0-9._~-]+$/.test(value)
const isUri = (value: string): boolean => { if (isAtUri(value)) return true try { return Boolean(new URL(value).protocol) } catch { return false }}
function validateInvariants(collection: Collection, value: Record<string, unknown>): ValidationIssue[] { const issues: ValidationIssue[] = [] const exactOne = (left: string, right: string): void => { if ((left in value) === (right in value)) { issues.push({ path: '$', message: `must contain exactly one of ${left} or ${right}` }) } }
if (collection === COLLECTIONS.artifactRequest || collection === COLLECTIONS.artifact) { exactOne('goal', 'project') } if (collection === COLLECTIONS.message) { exactOne('goal', 'artifact') if (value.declines === true && !('re' in value)) { issues.push({ path: '$.re', message: 'is required when declines is true' }) } } if (collection === COLLECTIONS.artifactRequest) { // `subject` names the one thing a built-in turn acts on: the artifact version a `review` judges, // the message an `answer` replies to. It is required for both and meaningless anywhere else — a // registry request says what it is built from with `basedOn`, not what it points at. const built = value.type === 'review' || value.type === 'answer' if (built && !('subject' in value)) { issues.push({ path: '$.subject', message: `is required for ${String(value.type)} requests` }) } if (!built && 'subject' in value) { issues.push({ path: '$.subject', message: 'is only allowed for review and answer requests' }) } // An answer is a reply in a goal's thread, so the request that asks for one hangs off that goal. // Project-scoped answers (a system artifact's own thread) are a follow-up; refusing them here // keeps a request the fold would silently drop from being written in the first place. if (value.type === 'answer' && !('goal' in value)) { issues.push({ path: '$.goal', message: 'is required for answer requests' }) } } // An edit that edits nothing is not a record any reader can act on: the fold overlays a project's // fields per-field, so a record carrying none of them would be an annotation with no content. // Every field is optional individually precisely so a rename need not restate the remote. if (collection === COLLECTIONS.editProject) { if (!['name', 'gitUrl', 'defaultBranch'].some((field) => field in value)) { issues.push({ path: '$', message: 'must contain at least one of name, gitUrl or defaultBranch' }) } } // A blessing quotes one exact version of one guest record, so the two halves have to be a record // reference and not just a URI: `comment` must name a `message` — the only collection a guest // comment is written in, and the one whose body this copies — and it must not name the goal it is // attached to. Neither is something the fold could recover later: it holds the snapshot and the // pointer, never the guest's repo. if (collection === COLLECTIONS.blessComment) { const comment = value.comment const uri = isObject(comment) && typeof comment.uri === 'string' ? comment.uri : '' if (uri && !uri.includes(`/${COLLECTIONS.message}/`)) { issues.push({ path: '$.comment', message: `must name a ${COLLECTIONS.message} record` }) } const goal = value.goal if (uri && isObject(goal) && goal.uri === uri) { issues.push({ path: '$.comment', message: 'must not be the goal it is blessed onto' }) } } if (collection === COLLECTIONS.importMessage) { const source = value.source if (isObject(source) && source.kind !== 'roomy') { issues.push({ path: '$.source.kind', message: 'must be roomy' }) } } // ── private mode: the device directory (design §18) ───────────────────────────────────────────── // // These four are the only records whose FIELDS are load-bearing for cryptography, so the shapes // are checked here rather than trusted from the lexicon's length bounds alone. Everything below // is a wire-format check; none of it is a trust check — whether a device counts is the fold's // decision (`devices.ts`), and it reads records that have already passed this. if (collection === COLLECTIONS.device) { if (typeof value.deviceKeyId === 'string' && !isDeviceKeyId(value.deviceKeyId)) { issues.push({ path: '$.deviceKeyId', message: 'must be url-safe base64 characters' }) } // Ed25519 public keys are exactly 32 bytes, which is 43 unpadded base64url characters. A key of // any other length cannot be imported by WebCrypto, so admitting the record would only defer the // failure to the first envelope that named it. if (value.algorithm === 'ed25519' && typeof value.publicKey === 'string') { if (!/^[A-Za-z0-9_-]{43}$/.test(value.publicKey)) { issues.push({ path: '$.publicKey', message: 'must be a 32-byte ed25519 key as unpadded base64url', }) } } } if (collection === COLLECTIONS.deviceAddress) { if (typeof value.deviceKeyId === 'string' && !isDeviceKeyId(value.deviceKeyId)) { issues.push({ path: '$.deviceKeyId', message: 'must be url-safe base64 characters' }) } // An iroh endpoint ID is a 32-byte public key, rendered as 64 lowercase hex characters. if (typeof value.endpointId === 'string' && !/^[0-9a-f]{64}$/.test(value.endpointId)) { issues.push({ path: '$.endpointId', message: 'must be a 64-character lowercase hex endpoint id' }) } // A relay is a URL a client will CONNECT to, so the scheme is an allowlist rather than "any // absolute URI": a hint naming `file:` or `at:` is a hint no transport can act on. if (Array.isArray(value.relays)) { value.relays.forEach((relay, index) => { if (typeof relay === 'string' && !/^https?:\/\//.test(relay)) { issues.push({ path: `$.relays[${index}]`, message: 'must be an http or https URL' }) } }) } } // Where an imported goal says it came from. The kind is free-form on purpose — a newer writer must // be able to name a forge this build has never heard of, and an unknown kind stays valid rather than // invalidating goals already signed — but each kind this build MINTS is checked, because a pointer // promises a shape and a candidate list that could be pointed at anything would offer to import a // goal twice. Nothing follows the pointer: no turn bundle carries it, and no fold reads it // (design §4). The check is per-kind consistency, never a kind allowlist. if (collection === COLLECTIONS.goal && isObject(value.source)) { const source = value.source const uri = typeof source.uri === 'string' ? source.uri : '' if (source.kind === GOAL_SOURCE_TANGLED_ISSUE && !uri.includes(`/${TANGLED_ISSUE_COLLECTION}/`)) { issues.push({ path: '$.source.uri', message: `must name a ${TANGLED_ISSUE_COLLECTION} record` }) } if (source.kind === GOAL_SOURCE_GITHUB_ISSUE && !isGitHubIssueUrl(uri)) { issues.push({ path: '$.source.uri', message: 'must be a canonical https://github.com/<owner>/<repo>/issues/<n> URL', }) } } if (collection === COLLECTIONS.project) { if (!isObject(value.autoReview)) { issues.push({ path: '$.autoReview', message: 'must be an object of boolean values' }) } else if (Object.values(value.autoReview).some((entry) => typeof entry !== 'boolean')) { issues.push({ path: '$.autoReview', message: 'values must be booleans' }) } } return issues}
export function validateRecord(collection: string, value: unknown): ValidationResult { const lexicon = lexicons.get(collection) if (!lexicon) { return { success: false, issues: [{ path: '$type', message: `unknown collection ${collection}` }] } } const issues: ValidationIssue[] = [] if (!isObject(value)) { return { success: false, issues: [{ path: '$', message: 'must be an object' }] } } if (value.$type !== collection) { issues.push({ path: '$.$type', message: `must equal ${collection}` }) } const main = lexicon.defs.main if (!main?.record) { return { success: false, issues: [{ path: '$type', message: `collection ${collection} has no record schema` }], } } validateSchema(value, main.record, lexicon, '$', issues) issues.push(...validateInvariants(collection as Collection, value)) return issues.length > 0 ? { success: false, issues } : { success: true, value: value as unknown as RadialRecord }}
export function assertValidRecord(collection: string, value: unknown): asserts value is RadialRecord { const result = validateRecord(collection, value) if (!result.success) { const details = result.issues.map((issue) => `${issue.path}: ${issue.message}`).join('; ') throw new TypeError(`Invalid ${collection} record: ${details}`) }}