27 lines
1.1 KiB
TypeScript
27 lines
1.1 KiB
TypeScript
import type { Context } from 'cordis'
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import type {} from '@deepseek-ai/dsh-agent'
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import { COMPACT_CHECKPOINT_SOURCE } from '@deepseek-ai/dsh-compact'
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import { createUserMessage } from '@deepseek-ai/dsh-llm'
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export const name = 'workspace-context-compaction'
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/** Replace the visible workspace baseline before the snapshot's second step. */
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export function apply(ctx: Context): void {
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ctx.on('agent/step', (agent, turn, step) => {
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if (turn !== 1 || step !== 2) return
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const baseline = agent.session.surface.nodes
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.map(seq => agent.session.events[seq])
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.find(event => event?.type === 'user/message'
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&& event.data.source.kind === 'workspace-instructions'
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&& event.data.source.baseline === true)
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if (baseline === undefined) throw new Error('workspace baseline missing before snapshot compaction')
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agent.session.append('user/message', createUserMessage({
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content: [{ type: 'text', text: 'Earlier context was compacted for this snapshot.' }],
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source: COMPACT_CHECKPOINT_SOURCE,
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}), {
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surfaceOp: { op: 'replace', start: baseline.seq, end: baseline.seq },
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sourceEventSeqs: [baseline.seq],
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})
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})
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}
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