mirror of
https://github.com/deepseek-ai/deepseek-harness
synced 2026-08-15 21:04:50 +00:00
54 lines
2.2 KiB
TypeScript
54 lines
2.2 KiB
TypeScript
/** Package-owned agent lifecycle invariants. @module @deepseek-ai/dsh-agent/invariant */
|
|
|
|
import type { Context } from 'cordis'
|
|
import type { InvariantInstaller } from '@deepseek-ai/dsh-invariants'
|
|
import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent'
|
|
|
|
const PACKAGE_NAME = '@deepseek-ai/dsh-agent'
|
|
|
|
/** Cordis companion plugin name. */
|
|
export const name = 'agent-invariant'
|
|
/** Services required before the companion can register. */
|
|
export const inject = ['invariants']
|
|
|
|
/** Install the agent contribution into its child registration fiber. */
|
|
const install: InvariantInstaller = (ctx, fail) => {
|
|
const lastStatus = new WeakMap<Agent, AgentStatus>()
|
|
ctx.on('agent/status', (agent, status) => {
|
|
const previous = lastStatus.get(agent)
|
|
if (previous === status) {
|
|
fail(`agent/status repeated ${status} (no-op transition)`)
|
|
}
|
|
lastStatus.set(agent, status)
|
|
}, { global: true })
|
|
|
|
// Inbox FIFO conservation: an item leaves the inbox (dequeue) or is dropped
|
|
// (discard) only after it entered (enqueue), so the live outstanding count
|
|
// per agent can never go negative. Injection bypasses the FIFOs entirely and
|
|
// never appears on these events.
|
|
const outstanding = new WeakMap<Agent, number>()
|
|
ctx.on('agent/inbox/enqueue', (agent) => {
|
|
outstanding.set(agent, (outstanding.get(agent) ?? 0) + 1)
|
|
}, { global: true })
|
|
ctx.on('agent/inbox/dequeue', (agent) => {
|
|
const count = outstanding.get(agent) ?? 0
|
|
if (count <= 0) fail('agent/inbox/dequeue without a matching prior enqueue')
|
|
outstanding.set(agent, count - 1)
|
|
}, { global: true })
|
|
ctx.on('agent/inbox/discard', (agent, items) => {
|
|
const count = outstanding.get(agent) ?? 0
|
|
if (items.length > count) {
|
|
fail(`agent/inbox/discard dropped ${items.length} items but only ${count} were outstanding`)
|
|
}
|
|
outstanding.set(agent, count - items.length)
|
|
}, { global: true })
|
|
}
|
|
|
|
/**
|
|
* Register the agent invariant companion.
|
|
* @param ctx - Cordis context carrying the invariant service.
|
|
* @returns the installed registration's disposer after setup succeeds.
|
|
*/
|
|
export const apply = (ctx: Context): Promise<() => void> =>
|
|
Promise.resolve(ctx.invariants.register(PACKAGE_NAME, install))
|