694b078365
Rewrites the service API table, authority-versus-provenance contract, residency routing, and deferred-work list; scopes the in-process driver README to one-shot runs; and restates both model-facing tools' outputs, which no longer carry a task id.
42 lines
1.6 KiB
TypeScript
42 lines
1.6 KiB
TypeScript
import type { Context } from 'cordis'
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export const name = 'subagent-durability-failure'
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export const inject = ['sessionPersistence']
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const UNKNOWN_CHILD_ID = '22222222-2222-4222-8222-222222222222'
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/** Fail the child checkpoint and stabilize the authored follow-up failure ordering. */
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export function apply(ctx: Context): void {
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const followupsAccepted = Promise.withResolvers<undefined>()
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const persistence = ctx.sessionPersistence
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const load = persistence.load.bind(persistence)
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// The unavailable-child lookup is real asynchronous I/O. Fence it behind both
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// authored follow-ups so runner speed cannot reorder the exact log.
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persistence.load = async (id) => {
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if (id === UNKNOWN_CHILD_ID) await followupsAccepted.promise
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return load.call(persistence, id)
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}
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ctx.effect(() => () => {
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persistence.load = load
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followupsAccepted.resolve(undefined)
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}, 'subagent snapshot ordering')
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// Both authored follow-ups reach the child inbox before the unknown-id lookup
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// runs, so the queued FIFO order is what the transcript records.
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let accepted = 0
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ctx.on('agent/inbox/enqueue', (agent) => {
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if (agent.session.header.parentSession === undefined) return
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accepted += 1
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if (accepted >= 3) followupsAccepted.resolve(undefined)
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})
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const flushedTurnEnds = new WeakSet<object>()
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ctx.on('session/flush', (session) => {
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if (session.header.parentSession === undefined) return
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if (session.events.at(-1)?.type !== 'turn/end') return
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if (flushedTurnEnds.has(session)) throw new Error('snapshot disk full')
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flushedTurnEnds.add(session)
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})
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}
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