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refactor(agent-loop): simplify observable state machine

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This commit is contained in:
_Kerman
2026-07-24 21:18:48 +08:00
parent fb0ef82aa6
commit b73eb7663c
131 changed files with 2011 additions and 4292 deletions
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14
packages/context/time-context/tests/time-context.spec.ts
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@@ -43,7 +43,6 @@ function sessionAgent(session: Session, id = 'agent'): Agent {
status: 'running',
ctx: new Context(),
followup: () => AgentMessageId('stub'),
queue: () => AgentMessageId('stub'),
steer: () => AgentMessageId('stub'),
inject(content, options) {
session.append('user/message', {
@@ -54,6 +53,7 @@ function sessionAgent(session: Session, id = 'agent'): Agent {
},
send: () => AgentMessageId('stub'),
cancel() {},
retry() {},
whenIdle: () => Promise.resolve(),
}
}
@@ -85,7 +85,7 @@ async function fire(
step: number,
signal: AbortSignal = SIGNAL,
): Promise<void> {
await agentEvents(ctx, agent).serial('agent/pre-step', turn, step, signal)
await agentEvents(ctx, agent).serial('agent/step', turn, step, signal)
}
function textResponse(text: string): StreamChunk[] {
@@ -294,7 +294,7 @@ describe('durable step context', () => {
const agent = sessionAgent(session)
openMessageTurn(session, 1)
let ordinarySawContext = false
ctx.on('agent/pre-step', (subject) => {
ctx.on('agent/step', (subject) => {
ordinarySawContext = subject.session.events.some(event => event.type === 'user/message')
})
@@ -363,11 +363,11 @@ describe('real agent-loop request history', () => {
it.each([
['throws', 'error'],
['cancels', 'aborted'],
] as const)('retains the preparation reading when a later pre-step listener %s', async (mode, reasonKind) => {
] as const)('discards the pending preparation reading when a later step listener %s', async (mode, reasonKind) => {
const adapter = new ScriptedAdapter([textResponse('unused')])
const ctx = await loopHarness(adapter)
let laterSawReading = false
ctx.on('agent/pre-step', (subject) => {
ctx.on('agent/step', (subject) => {
laterSawReading = contextTexts(subject.session).length === 1
if (mode === 'throws') throw new Error('later pre-step failure')
subject.cancel({ kind: 'user' })
@@ -377,8 +377,8 @@ describe('real agent-loop request history', () => {
agent.followup([{ type: 'text', text: 'start' }])
await agent.whenIdle()
expect(laterSawReading).toBe(true)
expect(contextTexts(agent.session)).toHaveLength(1)
expect(laterSawReading).toBe(false)
expect(contextTexts(agent.session)).toHaveLength(0)
expect(adapter.requests).toHaveLength(0)
expect(agent.session.events.some(event => event.type === 'step/start')).toBe(false)
const turnEnd = agent.session.events.findLast(event => event.type === 'turn/end')