Coder/deepseek-harness
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix: commit step context before request dispatch

Browse Source
This commit is contained in:
_Kerman
2026-07-30 18:18:04 +08:00
parent a31331cb0e
commit a4ae0b4126
17 changed files with 132 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
packages/core/agent-loop/src/invariant.ts
View File

@@ -6,7 +6,7 @@
import type { Context } from 'cordis'
import { isAgentLoopRequest, type GenerateOptions } from '@deepseek-ai/dsh-llm'
import type { InvariantFailure, InvariantInstaller } from '@deepseek-ai/dsh-invariants'
import { Session, SessionId, foldRequestHeader } from '@deepseek-ai/dsh-session'
import { foldRequestHeader } from '@deepseek-ai/dsh-session'
const PACKAGE_NAME = '@deepseek-ai/dsh-agent-loop'
@@ -17,8 +17,7 @@ export const inject = ['invariants']
/** Install the request-reconstruction contribution into its child registration fiber. */
const install: InvariantInstaller = Object.assign((ctx: Context, fail: InvariantFailure) => {
// Prepend prevents a short-circuiting replay listener from silencing the
// check; correctness itself comes from the sequence-bounded reconstruction.
// Prepend prevents a short-circuiting replay listener from silencing the check.
ctx.on('llm/stream', (options: GenerateOptions, next) => {
if (!isAgentLoopRequest(options)) return next()
if (!Object.isFrozen(options)) fail('a loop-built request must be frozen')
@@ -30,27 +29,16 @@ const install: InvariantInstaller = Object.assign((ctx: Context, fail: Invariant
}
const events = session.events
let boundary = -1
for (let index = events.length - 1; index >= 0; index -= 1) {
if (events[index]?.type === 'step/start') {
boundary = index
break
}
}
if (boundary === -1) {
if (!events.some(event => event.type === 'step/start')) {
return fail('a loop-built request with no step/start in its session log')
}
const header = foldRequestHeader(events)
if (header === undefined) {
return fail('a loop-built request with no request/header event in its session log')
}
const rebuilt = new Session(
SessionId(`${String(session.id)}-invariant-rebuild`),
structuredClone(events.slice(0, boundary)),
)
const expected = rebuilt.deriveMessages()
const expected = session.deriveMessages()
if (JSON.stringify(options.messages) !== JSON.stringify(expected)) {
fail(`llm request for session "${String(session.id)}" diverges from the boundary derivation (log-reconstruction desync)`)
fail(`llm request for session "${String(session.id)}" diverges from the dispatch-time durable derivation (log-reconstruction desync)`)
}
const headerMatches = options.model === header.config.model