refactor(session): effectify session processor (#19485)
This commit is contained in:
Kit Langton
@@ -1,430 +1,554 @@
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import { MessageV2 } from "./message-v2"
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import { Cause, Effect, Exit, Layer, ServiceMap } from "effect"
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import * as Stream from "effect/Stream"
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import { Agent } from "@/agent/agent"
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import { Bus } from "@/bus"
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import { makeRuntime } from "@/effect/run-service"
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import { Config } from "@/config/config"
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import { Permission } from "@/permission"
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import { Plugin } from "@/plugin"
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import { Snapshot } from "@/snapshot"
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import { Log } from "@/util/log"
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import { Session } from "."
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import { Agent } from "@/agent/agent"
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import { Snapshot } from "@/snapshot"
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import { SessionSummary } from "./summary"
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import { Bus } from "@/bus"
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import { LLM } from "./llm"
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import { MessageV2 } from "./message-v2"
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import { isOverflow } from "./overflow"
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import { PartID } from "./schema"
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import type { SessionID } from "./schema"
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import { SessionRetry } from "./retry"
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import { SessionStatus } from "./status"
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import { Plugin } from "@/plugin"
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import { SessionSummary } from "./summary"
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import type { Provider } from "@/provider/provider"
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import { LLM } from "./llm"
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import { Config } from "@/config/config"
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import { SessionCompaction } from "./compaction"
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import { Permission } from "@/permission"
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import { Question } from "@/question"
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import { PartID } from "./schema"
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import type { SessionID, MessageID } from "./schema"
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export namespace SessionProcessor {
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const DOOM_LOOP_THRESHOLD = 3
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const log = Log.create({ service: "session.processor" })
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export type Info = Awaited<ReturnType<typeof create>>
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export type Result = Awaited<ReturnType<Info["process"]>>
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export type Result = "compact" | "stop" | "continue"
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export function create(input: {
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export type Event = LLM.Event
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export interface Handle {
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readonly message: MessageV2.Assistant
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readonly partFromToolCall: (toolCallID: string) => MessageV2.ToolPart | undefined
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readonly abort: () => Effect.Effect<void>
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readonly process: (streamInput: LLM.StreamInput) => Effect.Effect<Result>
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}
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export interface Info {
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readonly message: MessageV2.Assistant
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readonly partFromToolCall: (toolCallID: string) => MessageV2.ToolPart | undefined
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readonly process: (streamInput: LLM.StreamInput) => Promise<Result>
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}
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type Input = {
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assistantMessage: MessageV2.Assistant
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sessionID: SessionID
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model: Provider.Model
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abort: AbortSignal
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}) {
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const toolcalls: Record<string, MessageV2.ToolPart> = {}
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let snapshot: string | undefined
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let blocked = false
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let attempt = 0
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let needsCompaction = false
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}
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const result = {
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get message() {
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return input.assistantMessage
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},
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partFromToolCall(toolCallID: string) {
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return toolcalls[toolCallID]
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},
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async process(streamInput: LLM.StreamInput) {
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log.info("process")
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needsCompaction = false
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const shouldBreak = (await Config.get()).experimental?.continue_loop_on_deny !== true
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while (true) {
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try {
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let currentText: MessageV2.TextPart | undefined
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let reasoningMap: Record<string, MessageV2.ReasoningPart> = {}
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const stream = await LLM.stream(streamInput)
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export interface Interface {
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readonly create: (input: Input) => Effect.Effect<Handle>
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}
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for await (const value of stream.fullStream) {
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input.abort.throwIfAborted()
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switch (value.type) {
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case "start":
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await SessionStatus.set(input.sessionID, { type: "busy" })
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break
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interface ProcessorContext extends Input {
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toolcalls: Record<string, MessageV2.ToolPart>
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shouldBreak: boolean
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snapshot: string | undefined
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blocked: boolean
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needsCompaction: boolean
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currentText: MessageV2.TextPart | undefined
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reasoningMap: Record<string, MessageV2.ReasoningPart>
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}
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case "reasoning-start":
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if (value.id in reasoningMap) {
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continue
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}
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const reasoningPart = {
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id: PartID.ascending(),
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messageID: input.assistantMessage.id,
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sessionID: input.assistantMessage.sessionID,
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type: "reasoning" as const,
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text: "",
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time: {
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start: Date.now(),
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},
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metadata: value.providerMetadata,
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}
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reasoningMap[value.id] = reasoningPart
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await Session.updatePart(reasoningPart)
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break
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type StreamEvent = Event
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case "reasoning-delta":
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if (value.id in reasoningMap) {
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const part = reasoningMap[value.id]
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part.text += value.text
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if (value.providerMetadata) part.metadata = value.providerMetadata
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await Session.updatePartDelta({
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sessionID: part.sessionID,
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messageID: part.messageID,
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partID: part.id,
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field: "text",
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delta: value.text,
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})
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}
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break
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export class Service extends ServiceMap.Service<Service, Interface>()("@opencode/SessionProcessor") {}
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case "reasoning-end":
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if (value.id in reasoningMap) {
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const part = reasoningMap[value.id]
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part.text = part.text.trimEnd()
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export const layer: Layer.Layer<
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Service,
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never,
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| Session.Service
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| Config.Service
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| Bus.Service
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| Snapshot.Service
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| Agent.Service
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| LLM.Service
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| Permission.Service
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| Plugin.Service
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| SessionStatus.Service
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> = Layer.effect(
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Service,
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Effect.gen(function* () {
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const session = yield* Session.Service
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const config = yield* Config.Service
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const bus = yield* Bus.Service
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const snapshot = yield* Snapshot.Service
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const agents = yield* Agent.Service
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const llm = yield* LLM.Service
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const permission = yield* Permission.Service
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const plugin = yield* Plugin.Service
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const status = yield* SessionStatus.Service
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part.time = {
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...part.time,
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end: Date.now(),
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}
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if (value.providerMetadata) part.metadata = value.providerMetadata
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await Session.updatePart(part)
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delete reasoningMap[value.id]
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}
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break
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const create = Effect.fn("SessionProcessor.create")(function* (input: Input) {
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const ctx: ProcessorContext = {
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assistantMessage: input.assistantMessage,
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sessionID: input.sessionID,
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model: input.model,
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abort: input.abort,
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toolcalls: {},
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shouldBreak: false,
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snapshot: undefined,
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blocked: false,
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needsCompaction: false,
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currentText: undefined,
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reasoningMap: {},
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}
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case "tool-input-start":
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const part = await Session.updatePart({
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id: toolcalls[value.id]?.id ?? PartID.ascending(),
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messageID: input.assistantMessage.id,
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sessionID: input.assistantMessage.sessionID,
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type: "tool",
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tool: value.toolName,
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callID: value.id,
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state: {
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status: "pending",
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input: {},
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raw: "",
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},
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})
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toolcalls[value.id] = part as MessageV2.ToolPart
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break
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const parse = (e: unknown) =>
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MessageV2.fromError(e, {
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providerID: input.model.providerID,
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aborted: input.abort.aborted,
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})
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case "tool-input-delta":
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break
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const handleEvent = Effect.fn("SessionProcessor.handleEvent")(function* (value: StreamEvent) {
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switch (value.type) {
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case "start":
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yield* status.set(ctx.sessionID, { type: "busy" })
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return
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case "tool-input-end":
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break
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case "tool-call": {
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const match = toolcalls[value.toolCallId]
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if (match) {
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const part = await Session.updatePart({
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...match,
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tool: value.toolName,
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state: {
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status: "running",
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input: value.input,
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time: {
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start: Date.now(),
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},
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},
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metadata: value.providerMetadata,
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})
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toolcalls[value.toolCallId] = part as MessageV2.ToolPart
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const parts = await MessageV2.parts(input.assistantMessage.id)
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const lastThree = parts.slice(-DOOM_LOOP_THRESHOLD)
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if (
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lastThree.length === DOOM_LOOP_THRESHOLD &&
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lastThree.every(
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(p) =>
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p.type === "tool" &&
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p.tool === value.toolName &&
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p.state.status !== "pending" &&
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JSON.stringify(p.state.input) === JSON.stringify(value.input),
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)
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) {
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const agent = await Agent.get(input.assistantMessage.agent)
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await Permission.ask({
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permission: "doom_loop",
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patterns: [value.toolName],
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sessionID: input.assistantMessage.sessionID,
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metadata: {
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tool: value.toolName,
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input: value.input,
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},
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always: [value.toolName],
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ruleset: agent.permission,
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})
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}
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}
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break
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}
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case "tool-result": {
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const match = toolcalls[value.toolCallId]
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if (match && match.state.status === "running") {
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await Session.updatePart({
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...match,
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state: {
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status: "completed",
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input: value.input ?? match.state.input,
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output: value.output.output,
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metadata: value.output.metadata,
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title: value.output.title,
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time: {
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start: match.state.time.start,
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end: Date.now(),
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},
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attachments: value.output.attachments,
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},
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})
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delete toolcalls[value.toolCallId]
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}
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break
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}
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case "tool-error": {
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const match = toolcalls[value.toolCallId]
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if (match && match.state.status === "running") {
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await Session.updatePart({
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...match,
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state: {
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status: "error",
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input: value.input ?? match.state.input,
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error: value.error instanceof Error ? value.error.message : String(value.error),
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time: {
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start: match.state.time.start,
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end: Date.now(),
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},
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},
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})
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if (
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value.error instanceof Permission.RejectedError ||
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value.error instanceof Question.RejectedError
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) {
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blocked = shouldBreak
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}
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delete toolcalls[value.toolCallId]
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}
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break
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}
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case "error":
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throw value.error
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case "start-step":
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snapshot = await Snapshot.track()
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await Session.updatePart({
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id: PartID.ascending(),
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messageID: input.assistantMessage.id,
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sessionID: input.sessionID,
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snapshot,
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type: "step-start",
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})
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break
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case "finish-step":
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const usage = Session.getUsage({
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model: input.model,
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usage: value.usage,
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metadata: value.providerMetadata,
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})
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input.assistantMessage.finish = value.finishReason
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input.assistantMessage.cost += usage.cost
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input.assistantMessage.tokens = usage.tokens
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await Session.updatePart({
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id: PartID.ascending(),
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reason: value.finishReason,
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snapshot: await Snapshot.track(),
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messageID: input.assistantMessage.id,
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sessionID: input.assistantMessage.sessionID,
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type: "step-finish",
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tokens: usage.tokens,
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cost: usage.cost,
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})
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await Session.updateMessage(input.assistantMessage)
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if (snapshot) {
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const patch = await Snapshot.patch(snapshot)
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if (patch.files.length) {
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await Session.updatePart({
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id: PartID.ascending(),
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messageID: input.assistantMessage.id,
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sessionID: input.sessionID,
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type: "patch",
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hash: patch.hash,
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files: patch.files,
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})
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}
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snapshot = undefined
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}
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SessionSummary.summarize({
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sessionID: input.sessionID,
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messageID: input.assistantMessage.parentID,
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})
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if (
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!input.assistantMessage.summary &&
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(await SessionCompaction.isOverflow({ tokens: usage.tokens, model: input.model }))
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) {
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needsCompaction = true
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}
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break
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case "text-start":
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currentText = {
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id: PartID.ascending(),
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messageID: input.assistantMessage.id,
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sessionID: input.assistantMessage.sessionID,
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type: "text",
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text: "",
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time: {
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start: Date.now(),
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},
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metadata: value.providerMetadata,
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}
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await Session.updatePart(currentText)
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break
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case "text-delta":
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if (currentText) {
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currentText.text += value.text
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if (value.providerMetadata) currentText.metadata = value.providerMetadata
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await Session.updatePartDelta({
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sessionID: currentText.sessionID,
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messageID: currentText.messageID,
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partID: currentText.id,
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field: "text",
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delta: value.text,
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})
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}
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break
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case "text-end":
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if (currentText) {
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currentText.text = currentText.text.trimEnd()
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const textOutput = await Plugin.trigger(
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"experimental.text.complete",
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{
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sessionID: input.sessionID,
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messageID: input.assistantMessage.id,
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partID: currentText.id,
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},
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{ text: currentText.text },
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)
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currentText.text = textOutput.text
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currentText.time = {
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start: Date.now(),
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end: Date.now(),
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}
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if (value.providerMetadata) currentText.metadata = value.providerMetadata
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await Session.updatePart(currentText)
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}
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currentText = undefined
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break
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case "finish":
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break
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default:
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log.info("unhandled", {
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...value,
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})
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continue
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}
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if (needsCompaction) break
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}
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} catch (e: any) {
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log.error("process", {
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error: e,
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stack: JSON.stringify(e.stack),
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})
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const error = MessageV2.fromError(e, { providerID: input.model.providerID, aborted: input.abort.aborted })
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if (MessageV2.ContextOverflowError.isInstance(error)) {
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needsCompaction = true
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Bus.publish(Session.Event.Error, {
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sessionID: input.sessionID,
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error,
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})
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} else {
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const retry = SessionRetry.retryable(error)
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if (retry !== undefined) {
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attempt++
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const delay = SessionRetry.delay(attempt, error.name === "APIError" ? error : undefined)
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await SessionStatus.set(input.sessionID, {
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type: "retry",
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attempt,
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message: retry,
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next: Date.now() + delay,
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})
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await SessionRetry.sleep(delay, input.abort).catch(() => {})
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continue
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}
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input.assistantMessage.error = error
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Bus.publish(Session.Event.Error, {
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sessionID: input.assistantMessage.sessionID,
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error: input.assistantMessage.error,
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})
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await SessionStatus.set(input.sessionID, { type: "idle" })
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}
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}
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if (snapshot) {
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const patch = await Snapshot.patch(snapshot)
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if (patch.files.length) {
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await Session.updatePart({
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case "reasoning-start":
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if (value.id in ctx.reasoningMap) return
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ctx.reasoningMap[value.id] = {
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id: PartID.ascending(),
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messageID: input.assistantMessage.id,
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sessionID: input.sessionID,
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messageID: ctx.assistantMessage.id,
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sessionID: ctx.assistantMessage.sessionID,
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type: "reasoning",
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text: "",
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time: { start: Date.now() },
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metadata: value.providerMetadata,
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}
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yield* session.updatePart(ctx.reasoningMap[value.id])
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return
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case "reasoning-delta":
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if (!(value.id in ctx.reasoningMap)) return
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ctx.reasoningMap[value.id].text += value.text
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if (value.providerMetadata) ctx.reasoningMap[value.id].metadata = value.providerMetadata
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yield* session.updatePartDelta({
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sessionID: ctx.reasoningMap[value.id].sessionID,
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messageID: ctx.reasoningMap[value.id].messageID,
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partID: ctx.reasoningMap[value.id].id,
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field: "text",
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delta: value.text,
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})
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return
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case "reasoning-end":
|
||||
if (!(value.id in ctx.reasoningMap)) return
|
||||
ctx.reasoningMap[value.id].text = ctx.reasoningMap[value.id].text.trimEnd()
|
||||
ctx.reasoningMap[value.id].time = { ...ctx.reasoningMap[value.id].time, end: Date.now() }
|
||||
if (value.providerMetadata) ctx.reasoningMap[value.id].metadata = value.providerMetadata
|
||||
yield* session.updatePart(ctx.reasoningMap[value.id])
|
||||
delete ctx.reasoningMap[value.id]
|
||||
return
|
||||
|
||||
case "tool-input-start":
|
||||
ctx.toolcalls[value.id] = (yield* session.updatePart({
|
||||
id: ctx.toolcalls[value.id]?.id ?? PartID.ascending(),
|
||||
messageID: ctx.assistantMessage.id,
|
||||
sessionID: ctx.assistantMessage.sessionID,
|
||||
type: "tool",
|
||||
tool: value.toolName,
|
||||
callID: value.id,
|
||||
state: { status: "pending", input: {}, raw: "" },
|
||||
})) as MessageV2.ToolPart
|
||||
return
|
||||
|
||||
case "tool-input-delta":
|
||||
return
|
||||
|
||||
case "tool-input-end":
|
||||
return
|
||||
|
||||
case "tool-call": {
|
||||
const match = ctx.toolcalls[value.toolCallId]
|
||||
if (!match) return
|
||||
ctx.toolcalls[value.toolCallId] = (yield* session.updatePart({
|
||||
...match,
|
||||
tool: value.toolName,
|
||||
state: { status: "running", input: value.input, time: { start: Date.now() } },
|
||||
metadata: value.providerMetadata,
|
||||
})) as MessageV2.ToolPart
|
||||
|
||||
const parts = yield* Effect.promise(() => MessageV2.parts(ctx.assistantMessage.id))
|
||||
const recentParts = parts.slice(-DOOM_LOOP_THRESHOLD)
|
||||
|
||||
if (
|
||||
recentParts.length !== DOOM_LOOP_THRESHOLD ||
|
||||
!recentParts.every(
|
||||
(part) =>
|
||||
part.type === "tool" &&
|
||||
part.tool === value.toolName &&
|
||||
part.state.status !== "pending" &&
|
||||
JSON.stringify(part.state.input) === JSON.stringify(value.input),
|
||||
)
|
||||
) {
|
||||
return
|
||||
}
|
||||
|
||||
const agent = yield* agents.get(ctx.assistantMessage.agent)
|
||||
yield* permission.ask({
|
||||
permission: "doom_loop",
|
||||
patterns: [value.toolName],
|
||||
sessionID: ctx.assistantMessage.sessionID,
|
||||
metadata: { tool: value.toolName, input: value.input },
|
||||
always: [value.toolName],
|
||||
ruleset: agent.permission,
|
||||
})
|
||||
return
|
||||
}
|
||||
|
||||
case "tool-result": {
|
||||
const match = ctx.toolcalls[value.toolCallId]
|
||||
if (!match || match.state.status !== "running") return
|
||||
yield* session.updatePart({
|
||||
...match,
|
||||
state: {
|
||||
status: "completed",
|
||||
input: value.input ?? match.state.input,
|
||||
output: value.output.output,
|
||||
metadata: value.output.metadata,
|
||||
title: value.output.title,
|
||||
time: { start: match.state.time.start, end: Date.now() },
|
||||
attachments: value.output.attachments,
|
||||
},
|
||||
})
|
||||
delete ctx.toolcalls[value.toolCallId]
|
||||
return
|
||||
}
|
||||
|
||||
case "tool-error": {
|
||||
const match = ctx.toolcalls[value.toolCallId]
|
||||
if (!match || match.state.status !== "running") return
|
||||
yield* session.updatePart({
|
||||
...match,
|
||||
state: {
|
||||
status: "error",
|
||||
input: value.input ?? match.state.input,
|
||||
error: value.error instanceof Error ? value.error.message : String(value.error),
|
||||
time: { start: match.state.time.start, end: Date.now() },
|
||||
},
|
||||
})
|
||||
if (value.error instanceof Permission.RejectedError || value.error instanceof Question.RejectedError) {
|
||||
ctx.blocked = ctx.shouldBreak
|
||||
}
|
||||
delete ctx.toolcalls[value.toolCallId]
|
||||
return
|
||||
}
|
||||
|
||||
case "error":
|
||||
throw value.error
|
||||
|
||||
case "start-step":
|
||||
ctx.snapshot = yield* snapshot.track()
|
||||
yield* session.updatePart({
|
||||
id: PartID.ascending(),
|
||||
messageID: ctx.assistantMessage.id,
|
||||
sessionID: ctx.sessionID,
|
||||
snapshot: ctx.snapshot,
|
||||
type: "step-start",
|
||||
})
|
||||
return
|
||||
|
||||
case "finish-step": {
|
||||
const usage = Session.getUsage({
|
||||
model: ctx.model,
|
||||
usage: value.usage,
|
||||
metadata: value.providerMetadata,
|
||||
})
|
||||
ctx.assistantMessage.finish = value.finishReason
|
||||
ctx.assistantMessage.cost += usage.cost
|
||||
ctx.assistantMessage.tokens = usage.tokens
|
||||
yield* session.updatePart({
|
||||
id: PartID.ascending(),
|
||||
reason: value.finishReason,
|
||||
snapshot: yield* snapshot.track(),
|
||||
messageID: ctx.assistantMessage.id,
|
||||
sessionID: ctx.assistantMessage.sessionID,
|
||||
type: "step-finish",
|
||||
tokens: usage.tokens,
|
||||
cost: usage.cost,
|
||||
})
|
||||
yield* session.updateMessage(ctx.assistantMessage)
|
||||
if (ctx.snapshot) {
|
||||
const patch = yield* snapshot.patch(ctx.snapshot)
|
||||
if (patch.files.length) {
|
||||
yield* session.updatePart({
|
||||
id: PartID.ascending(),
|
||||
messageID: ctx.assistantMessage.id,
|
||||
sessionID: ctx.sessionID,
|
||||
type: "patch",
|
||||
hash: patch.hash,
|
||||
files: patch.files,
|
||||
})
|
||||
}
|
||||
ctx.snapshot = undefined
|
||||
}
|
||||
yield* Effect.promise(() =>
|
||||
SessionSummary.summarize({
|
||||
sessionID: ctx.sessionID,
|
||||
messageID: ctx.assistantMessage.parentID,
|
||||
}),
|
||||
).pipe(Effect.ignoreCause({ log: true, message: "session summary failed" }), Effect.forkDetach)
|
||||
if (
|
||||
!ctx.assistantMessage.summary &&
|
||||
isOverflow({ cfg: yield* config.get(), tokens: usage.tokens, model: ctx.model })
|
||||
) {
|
||||
ctx.needsCompaction = true
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
case "text-start":
|
||||
ctx.currentText = {
|
||||
id: PartID.ascending(),
|
||||
messageID: ctx.assistantMessage.id,
|
||||
sessionID: ctx.assistantMessage.sessionID,
|
||||
type: "text",
|
||||
text: "",
|
||||
time: { start: Date.now() },
|
||||
metadata: value.providerMetadata,
|
||||
}
|
||||
yield* session.updatePart(ctx.currentText)
|
||||
return
|
||||
|
||||
case "text-delta":
|
||||
if (!ctx.currentText) return
|
||||
ctx.currentText.text += value.text
|
||||
if (value.providerMetadata) ctx.currentText.metadata = value.providerMetadata
|
||||
yield* session.updatePartDelta({
|
||||
sessionID: ctx.currentText.sessionID,
|
||||
messageID: ctx.currentText.messageID,
|
||||
partID: ctx.currentText.id,
|
||||
field: "text",
|
||||
delta: value.text,
|
||||
})
|
||||
return
|
||||
|
||||
case "text-end":
|
||||
if (!ctx.currentText) return
|
||||
ctx.currentText.text = ctx.currentText.text.trimEnd()
|
||||
ctx.currentText.text = (yield* plugin.trigger(
|
||||
"experimental.text.complete",
|
||||
{
|
||||
sessionID: ctx.sessionID,
|
||||
messageID: ctx.assistantMessage.id,
|
||||
partID: ctx.currentText.id,
|
||||
},
|
||||
{ text: ctx.currentText.text },
|
||||
)).text
|
||||
ctx.currentText.time = { start: Date.now(), end: Date.now() }
|
||||
if (value.providerMetadata) ctx.currentText.metadata = value.providerMetadata
|
||||
yield* session.updatePart(ctx.currentText)
|
||||
ctx.currentText = undefined
|
||||
return
|
||||
|
||||
case "finish":
|
||||
return
|
||||
|
||||
default:
|
||||
log.info("unhandled", { ...value })
|
||||
return
|
||||
}
|
||||
})
|
||||
|
||||
const cleanup = Effect.fn("SessionProcessor.cleanup")(function* () {
|
||||
if (ctx.snapshot) {
|
||||
const patch = yield* snapshot.patch(ctx.snapshot)
|
||||
if (patch.files.length) {
|
||||
yield* session.updatePart({
|
||||
id: PartID.ascending(),
|
||||
messageID: ctx.assistantMessage.id,
|
||||
sessionID: ctx.sessionID,
|
||||
type: "patch",
|
||||
hash: patch.hash,
|
||||
files: patch.files,
|
||||
})
|
||||
}
|
||||
snapshot = undefined
|
||||
ctx.snapshot = undefined
|
||||
}
|
||||
const p = await MessageV2.parts(input.assistantMessage.id)
|
||||
for (const part of p) {
|
||||
if (part.type === "tool" && part.state.status !== "completed" && part.state.status !== "error") {
|
||||
await Session.updatePart({
|
||||
...part,
|
||||
state: {
|
||||
...part.state,
|
||||
status: "error",
|
||||
error: "Tool execution aborted",
|
||||
time: {
|
||||
start: Date.now(),
|
||||
end: Date.now(),
|
||||
},
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
if (ctx.currentText) {
|
||||
const end = Date.now()
|
||||
ctx.currentText.time = { start: ctx.currentText.time?.start ?? end, end }
|
||||
yield* session.updatePart(ctx.currentText)
|
||||
ctx.currentText = undefined
|
||||
}
|
||||
input.assistantMessage.time.completed = Date.now()
|
||||
await Session.updateMessage(input.assistantMessage)
|
||||
if (needsCompaction) return "compact"
|
||||
if (blocked) return "stop"
|
||||
if (input.assistantMessage.error) return "stop"
|
||||
|
||||
for (const part of Object.values(ctx.reasoningMap)) {
|
||||
const end = Date.now()
|
||||
yield* session.updatePart({
|
||||
...part,
|
||||
time: { start: part.time.start ?? end, end },
|
||||
})
|
||||
}
|
||||
ctx.reasoningMap = {}
|
||||
|
||||
const parts = yield* Effect.promise(() => MessageV2.parts(ctx.assistantMessage.id))
|
||||
for (const part of parts) {
|
||||
if (part.type !== "tool" || part.state.status === "completed" || part.state.status === "error") continue
|
||||
yield* session.updatePart({
|
||||
...part,
|
||||
state: {
|
||||
...part.state,
|
||||
status: "error",
|
||||
error: "Tool execution aborted",
|
||||
time: { start: Date.now(), end: Date.now() },
|
||||
},
|
||||
})
|
||||
}
|
||||
ctx.assistantMessage.time.completed = Date.now()
|
||||
yield* session.updateMessage(ctx.assistantMessage)
|
||||
})
|
||||
|
||||
const halt = Effect.fn("SessionProcessor.halt")(function* (e: unknown) {
|
||||
log.error("process", { error: e, stack: JSON.stringify((e as any)?.stack) })
|
||||
const error = parse(e)
|
||||
if (MessageV2.ContextOverflowError.isInstance(error)) {
|
||||
ctx.needsCompaction = true
|
||||
yield* bus.publish(Session.Event.Error, { sessionID: ctx.sessionID, error })
|
||||
return
|
||||
}
|
||||
ctx.assistantMessage.error = error
|
||||
yield* bus.publish(Session.Event.Error, {
|
||||
sessionID: ctx.assistantMessage.sessionID,
|
||||
error: ctx.assistantMessage.error,
|
||||
})
|
||||
yield* status.set(ctx.sessionID, { type: "idle" })
|
||||
})
|
||||
|
||||
const process = Effect.fn("SessionProcessor.process")(function* (streamInput: LLM.StreamInput) {
|
||||
log.info("process")
|
||||
ctx.needsCompaction = false
|
||||
ctx.shouldBreak = (yield* config.get()).experimental?.continue_loop_on_deny !== true
|
||||
|
||||
yield* Effect.gen(function* () {
|
||||
ctx.currentText = undefined
|
||||
ctx.reasoningMap = {}
|
||||
const stream = llm.stream(streamInput)
|
||||
|
||||
yield* stream.pipe(
|
||||
Stream.tap((event) =>
|
||||
Effect.gen(function* () {
|
||||
input.abort.throwIfAborted()
|
||||
yield* handleEvent(event)
|
||||
}),
|
||||
),
|
||||
Stream.takeUntil(() => ctx.needsCompaction),
|
||||
Stream.runDrain,
|
||||
)
|
||||
}).pipe(
|
||||
Effect.catchCauseIf(
|
||||
(cause) => !Cause.hasInterruptsOnly(cause),
|
||||
(cause) => Effect.fail(Cause.squash(cause)),
|
||||
),
|
||||
Effect.retry(
|
||||
SessionRetry.policy({
|
||||
parse,
|
||||
set: (info) =>
|
||||
status.set(ctx.sessionID, {
|
||||
type: "retry",
|
||||
attempt: info.attempt,
|
||||
message: info.message,
|
||||
next: info.next,
|
||||
}),
|
||||
}),
|
||||
),
|
||||
Effect.catchCause((cause) =>
|
||||
Cause.hasInterruptsOnly(cause)
|
||||
? halt(new DOMException("Aborted", "AbortError"))
|
||||
: halt(Cause.squash(cause)),
|
||||
),
|
||||
Effect.ensuring(cleanup()),
|
||||
)
|
||||
|
||||
if (input.abort.aborted && !ctx.assistantMessage.error) {
|
||||
yield* abort()
|
||||
}
|
||||
if (ctx.needsCompaction) return "compact"
|
||||
if (ctx.blocked || ctx.assistantMessage.error || input.abort.aborted) return "stop"
|
||||
return "continue"
|
||||
})
|
||||
|
||||
const abort = Effect.fn("SessionProcessor.abort")(() =>
|
||||
Effect.gen(function* () {
|
||||
if (!ctx.assistantMessage.error) {
|
||||
yield* halt(new DOMException("Aborted", "AbortError"))
|
||||
}
|
||||
if (!ctx.assistantMessage.time.completed) {
|
||||
yield* cleanup()
|
||||
return
|
||||
}
|
||||
yield* session.updateMessage(ctx.assistantMessage)
|
||||
}),
|
||||
)
|
||||
|
||||
return {
|
||||
get message() {
|
||||
return ctx.assistantMessage
|
||||
},
|
||||
partFromToolCall(toolCallID: string) {
|
||||
return ctx.toolcalls[toolCallID]
|
||||
},
|
||||
abort,
|
||||
process,
|
||||
} satisfies Handle
|
||||
})
|
||||
|
||||
return Service.of({ create })
|
||||
}),
|
||||
)
|
||||
|
||||
export const defaultLayer = Layer.unwrap(
|
||||
Effect.sync(() =>
|
||||
layer.pipe(
|
||||
Layer.provide(Session.defaultLayer),
|
||||
Layer.provide(Snapshot.defaultLayer),
|
||||
Layer.provide(Agent.defaultLayer),
|
||||
Layer.provide(LLM.defaultLayer),
|
||||
Layer.provide(Permission.layer),
|
||||
Layer.provide(Plugin.defaultLayer),
|
||||
Layer.provide(SessionStatus.layer.pipe(Layer.provide(Bus.layer))),
|
||||
Layer.provide(Bus.layer),
|
||||
Layer.provide(Config.defaultLayer),
|
||||
),
|
||||
),
|
||||
)
|
||||
|
||||
const { runPromise } = makeRuntime(Service, defaultLayer)
|
||||
|
||||
export async function create(input: Input): Promise<Info> {
|
||||
const hit = await runPromise((svc) => svc.create(input))
|
||||
return {
|
||||
get message() {
|
||||
return hit.message
|
||||
},
|
||||
partFromToolCall(toolCallID: string) {
|
||||
return hit.partFromToolCall(toolCallID)
|
||||
},
|
||||
async process(streamInput: LLM.StreamInput) {
|
||||
const exit = await Effect.runPromiseExit(hit.process(streamInput), { signal: input.abort })
|
||||
if (Exit.isFailure(exit)) {
|
||||
if (Cause.hasInterrupts(exit.cause) && input.abort.aborted) {
|
||||
await Effect.runPromise(hit.abort())
|
||||
return "stop"
|
||||
}
|
||||
throw Cause.squash(exit.cause)
|
||||
}
|
||||
return exit.value
|
||||
},
|
||||
}
|
||||
return result
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user