|
| 1 | +import { runCliAgent } from "../../agents/cli-runner.js"; |
| 2 | +import type { RunCliAgentParams } from "../../agents/cli-runner/types.js"; |
| 3 | +import type { EmbeddedPiRunResult } from "../../agents/pi-embedded.js"; |
| 4 | +import { emitAgentEvent, onAgentEvent } from "../../infra/agent-events.js"; |
| 5 | +import { |
| 6 | + normalizeLowercaseStringOrEmpty, |
| 7 | + normalizeOptionalString, |
| 8 | +} from "../../shared/string-coerce.js"; |
| 9 | + |
| 10 | +function shouldBridgeCliAssistantTextToReasoning(provider: string): boolean { |
| 11 | + return normalizeLowercaseStringOrEmpty(provider) === "claude-cli"; |
| 12 | +} |
| 13 | + |
| 14 | +function createAssistantTextBridge(params: { |
| 15 | + runId: string; |
| 16 | + suppressed?: boolean; |
| 17 | + deliver?: (text: string) => Promise<void>; |
| 18 | +}) { |
| 19 | + const deliver = params.deliver; |
| 20 | + if (!deliver) { |
| 21 | + return { |
| 22 | + unsubscribe: () => undefined, |
| 23 | + drain: async (): Promise<void> => undefined, |
| 24 | + }; |
| 25 | + } |
| 26 | + let lastText: string | undefined; |
| 27 | + let unsubscribed = false; |
| 28 | + let delivery = Promise.resolve(); |
| 29 | + const rawUnsubscribe = onAgentEvent((evt) => { |
| 30 | + if (evt.runId !== params.runId || evt.stream !== "assistant") { |
| 31 | + return; |
| 32 | + } |
| 33 | + if (params.suppressed) { |
| 34 | + return; |
| 35 | + } |
| 36 | + const text = typeof evt.data.text === "string" ? evt.data.text : undefined; |
| 37 | + if (text === undefined || text === lastText) { |
| 38 | + return; |
| 39 | + } |
| 40 | + lastText = text; |
| 41 | + delivery = delivery.then(() => deliver(text)).catch(() => undefined); |
| 42 | + }); |
| 43 | + return { |
| 44 | + unsubscribe() { |
| 45 | + if (unsubscribed) { |
| 46 | + return; |
| 47 | + } |
| 48 | + unsubscribed = true; |
| 49 | + rawUnsubscribe(); |
| 50 | + }, |
| 51 | + async drain(): Promise<void> { |
| 52 | + await delivery; |
| 53 | + }, |
| 54 | + }; |
| 55 | +} |
| 56 | + |
| 57 | +export async function runCliAgentWithLifecycle(params: { |
| 58 | + runId: string; |
| 59 | + provider: string; |
| 60 | + runParams: RunCliAgentParams; |
| 61 | + startedAt?: number; |
| 62 | + emitLifecycleStart?: boolean; |
| 63 | + emitLifecycleTerminal?: boolean; |
| 64 | + onAgentRunStart?: () => void; |
| 65 | + suppressAssistantBridge?: boolean; |
| 66 | + onAssistantText?: (text: string) => Promise<void>; |
| 67 | + onReasoningText?: (text: string) => Promise<void>; |
| 68 | + onErrorBeforeLifecycle?: (err: unknown) => Promise<void>; |
| 69 | + transformResult?: (result: EmbeddedPiRunResult) => EmbeddedPiRunResult; |
| 70 | +}): Promise<EmbeddedPiRunResult> { |
| 71 | + const startedAt = params.startedAt ?? Date.now(); |
| 72 | + const emitLifecycleStart = params.emitLifecycleStart ?? true; |
| 73 | + const emitLifecycleTerminal = params.emitLifecycleTerminal ?? true; |
| 74 | + params.onAgentRunStart?.(); |
| 75 | + if (emitLifecycleStart) { |
| 76 | + emitAgentEvent({ |
| 77 | + runId: params.runId, |
| 78 | + stream: "lifecycle", |
| 79 | + data: { |
| 80 | + phase: "start", |
| 81 | + startedAt, |
| 82 | + }, |
| 83 | + }); |
| 84 | + } |
| 85 | + const assistantBridge = createAssistantTextBridge({ |
| 86 | + runId: params.runId, |
| 87 | + suppressed: params.suppressAssistantBridge, |
| 88 | + deliver: params.onAssistantText, |
| 89 | + }); |
| 90 | + const reasoningBridge = createAssistantTextBridge({ |
| 91 | + runId: params.runId, |
| 92 | + suppressed: params.suppressAssistantBridge, |
| 93 | + deliver: shouldBridgeCliAssistantTextToReasoning(params.provider) |
| 94 | + ? params.onReasoningText |
| 95 | + : undefined, |
| 96 | + }); |
| 97 | + let lifecycleTerminalEmitted = false; |
| 98 | + try { |
| 99 | + const rawResult = await runCliAgent(params.runParams); |
| 100 | + const result = params.transformResult?.(rawResult) ?? rawResult; |
| 101 | + assistantBridge.unsubscribe(); |
| 102 | + reasoningBridge.unsubscribe(); |
| 103 | + await assistantBridge.drain(); |
| 104 | + await reasoningBridge.drain(); |
| 105 | + |
| 106 | + const cliText = normalizeOptionalString(result.payloads?.[0]?.text); |
| 107 | + if (cliText) { |
| 108 | + emitAgentEvent({ |
| 109 | + runId: params.runId, |
| 110 | + stream: "assistant", |
| 111 | + data: { text: cliText }, |
| 112 | + }); |
| 113 | + } |
| 114 | + |
| 115 | + if (emitLifecycleTerminal) { |
| 116 | + emitAgentEvent({ |
| 117 | + runId: params.runId, |
| 118 | + stream: "lifecycle", |
| 119 | + data: { |
| 120 | + phase: "end", |
| 121 | + startedAt, |
| 122 | + endedAt: Date.now(), |
| 123 | + }, |
| 124 | + }); |
| 125 | + lifecycleTerminalEmitted = true; |
| 126 | + } |
| 127 | + return result; |
| 128 | + } catch (err) { |
| 129 | + assistantBridge.unsubscribe(); |
| 130 | + reasoningBridge.unsubscribe(); |
| 131 | + await assistantBridge.drain(); |
| 132 | + await reasoningBridge.drain(); |
| 133 | + await params.onErrorBeforeLifecycle?.(err); |
| 134 | + if (emitLifecycleTerminal) { |
| 135 | + emitAgentEvent({ |
| 136 | + runId: params.runId, |
| 137 | + stream: "lifecycle", |
| 138 | + data: { |
| 139 | + phase: "error", |
| 140 | + startedAt, |
| 141 | + endedAt: Date.now(), |
| 142 | + error: String(err), |
| 143 | + }, |
| 144 | + }); |
| 145 | + lifecycleTerminalEmitted = true; |
| 146 | + } |
| 147 | + throw err; |
| 148 | + } finally { |
| 149 | + assistantBridge.unsubscribe(); |
| 150 | + reasoningBridge.unsubscribe(); |
| 151 | + if (emitLifecycleTerminal && !lifecycleTerminalEmitted) { |
| 152 | + emitAgentEvent({ |
| 153 | + runId: params.runId, |
| 154 | + stream: "lifecycle", |
| 155 | + data: { |
| 156 | + phase: "error", |
| 157 | + startedAt, |
| 158 | + endedAt: Date.now(), |
| 159 | + error: "CLI run completed without lifecycle terminal event", |
| 160 | + }, |
| 161 | + }); |
| 162 | + } |
| 163 | + } |
| 164 | +} |
0 commit comments