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fix: preserve message occurrence contracts

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This commit is contained in:
_Kerman
2026-07-28 14:44:15 +08:00
parent 384535f0ae
commit 0225d598e3
7 changed files with 68 additions and 18 deletions
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22
packages/host/apiproxy/src/api-proxy.ts
View File

@@ -421,29 +421,29 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
}
/**
* Per-session inbox mirror serving the mux-open queue snapshot (the same
* refresh-recovery baseline as pending questions). Keyed by the stable
* MessageId: every enqueued id receives exactly one terminal
* `agent/inbox/dequeue` OR `agent/inbox/discard` (the inbox contract), so
* the mirror needs no consumption heuristics or sweeps beyond disposal.
* Per-session inbox occurrence mirror serving the mux-open queue snapshot
* (the same refresh-recovery baseline as pending questions). Each terminal
* inbox event retires one matching occurrence, so repeated sends of the same
* identified message remain visible until every occurrence is claimed.
*/
const queuedMirror = new Map<SessionId, Map<MessageId, { message: UserMessage; steering: boolean }>>()
const queuedMirror = new Map<SessionId, { message: UserMessage; steering: boolean }[]>()
ctx.effect(() => {
const retire = (agent: Agent, id: MessageId): void => {
const entries = queuedMirror.get(agent.id)
if (entries === undefined) return
entries.delete(id)
if (entries.size === 0) queuedMirror.delete(agent.id)
const index = entries.findIndex(entry => entry.message.id === id)
if (index !== -1) entries.splice(index, 1)
if (entries.length === 0) queuedMirror.delete(agent.id)
}
const disposers = [
ctx.on('agent/inbox/enqueue', (agent: Agent, message: UserMessage, placement) => {
let entries = queuedMirror.get(agent.id)
if (entries === undefined) {
entries = new Map<MessageId, { message: UserMessage; steering: boolean }>()
entries = []
queuedMirror.set(agent.id, entries)
}
const steering = placement === 'steering'
entries.set(message.id, { message, steering })
entries.push({ message, steering })
broadcast({
type: 'session/queued',
sessionId: agent.id,
@@ -1119,7 +1119,7 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
// in arrival order per session; a reconnecting client rebuilds its
// queue view from these alone.
for (const [sessionId, entries] of queuedMirror) {
for (const entry of entries.values()) {
for (const entry of entries) {
queue.push(frame({
type: 'session/queued',
sessionId,

18
packages/host/apiproxy/tests/api-proxy-commands.spec.ts
View File

@@ -293,6 +293,24 @@ describe('session/queued frames', () => {
expect(frames.filter(f => f.type === 'session/queued')).toHaveLength(0)
})
it('retires repeated sends of one message identity by occurrence', async () => {
const ctx = await harness()
const api = createApiProxy(ctx, DEFAULTS)
const agent = stubAgent(ctx)
const repeated = inboxMessage('m-repeat', 'same prompt')
ctx.emit('agent/inbox/enqueue', agent, repeated, 'queued')
ctx.emit('agent/inbox/enqueue', agent, repeated, 'queued')
ctx.emit('agent/inbox/dequeue', agent, inboxMessage('unknown', 'not queued'))
ctx.emit('agent/inbox/dequeue', agent, repeated)
const abort = new AbortController()
const frames = await collect<MuxFrame>(
api.events.mux({ rpcId: RpcId('t-mux-repeat'), payload: {} }, abort.signal), 2, abort)
expect(frames.filter(f => f.type === 'session/queued')).toEqual([
{ type: 'session/queued', sessionId: agent.id, message: repeated, steering: false },
])
})
it('retires mirror entries on a batch discard (cancel path)', async () => {
const ctx = await harness()
const api = createApiProxy(ctx, DEFAULTS)