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fix(subagent): raise maintenance delegate token ceilings for dense archives #97

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fix(subagent): raise maintenance delegate token ceilings for dense archives #97

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9 changes: 7 additions & 2 deletions src/subagent.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1702,8 +1702,13 @@ ${runtimeSnapshotContext('user', plan.entries)}`
const completionPersona = `${persona}

Completion protocol: call \`${resultToolName}\` exactly once with the final result matching its parameter schema. This is the only completion channel for this run. Do not finish with a plain-text answer.`
const perOpMaxTokens = operation === 'migration' || operation === 'compaction' || operation === 'document-archive' ? 8_192
: operation === 'metadata-maintenance' ? 4_096
// Maintenance delegates emit small structured results, but reasoning-style
// models can burn a large completion budget on analysis before emitting
// them. Undersized static caps abort the whole operation with
// stopReason=max-tokens (e.g. dense CJK capacity archives, see #70), so
// keep generous ceilings instead of tight ones.
const perOpMaxTokens = operation === 'migration' || operation === 'compaction' || operation === 'document-archive' ? 32_768
: operation === 'metadata-maintenance' ? 16_384
: undefined
const fixed = this.taskAgentModelResolver?.()
const baseAgentOptions = perOpMaxTokens === undefined ? undefined : { maxTokens: perOpMaxTokens }
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8 changes: 4 additions & 4 deletions tests/subagent.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -815,7 +815,7 @@ describe('Mnemon memory subagent coordinator', () => {
})
expect(host.start).toHaveBeenCalledWith('spawn', expect.objectContaining({
toolFilter: { allow: [expect.stringMatching(/^mnemon_subagent_result_/)] },
agentOptions: { maxTokens: 4_096 },
agentOptions: { maxTokens: 16_384 },
persona: expect.stringContaining('fastest bounded metadata-sampling path'),
}))
expect(memoryService.metadataSample).toHaveBeenCalledWith('product', expect.any(AbortSignal))
Expand Down Expand Up @@ -1001,7 +1001,7 @@ describe('Mnemon memory subagent coordinator', () => {
})
expect(host.start).toHaveBeenCalledWith('spawn', expect.objectContaining({
toolFilter: { allow: [expect.stringMatching(/^mnemon_subagent_result_/)] },
agentOptions: { maxTokens: 8_192 },
agentOptions: { maxTokens: 32_768 },
}))
const migrationCall = (host.start.mock.calls[0] as unknown as [string, { prompt: Array<{ text: string }>; persona: string; toolFilter: { allow: string[] } }])[1]
const migrationPrompt = migrationCall.prompt[0]!.text
Expand Down Expand Up @@ -1244,7 +1244,7 @@ describe('Mnemon memory subagent coordinator', () => {
})
expect(host.start).toHaveBeenCalledWith('spawn', expect.objectContaining({
toolFilter: { allow: [expect.stringMatching(/^mnemon_subagent_result_/)] },
agentOptions: { maxTokens: 8_192 },
agentOptions: { maxTokens: 32_768 },
persona: expect.stringContaining('local USER.md compactor'),
}))
const compactionCall = (host.start.mock.calls[0] as unknown as [string, { prompt: Array<{ text: string }>; persona: string }])[1]
Expand Down Expand Up @@ -1384,7 +1384,7 @@ describe('Mnemon memory subagent coordinator', () => {
maintenance: { kind: 'local-compaction' },
})
expect(host.start).toHaveBeenCalledWith('spawn', expect.objectContaining({
agentOptions: { provider: 'pinned-provider', model: 'pinned-model', maxTokens: 8_192 },
agentOptions: { provider: 'pinned-provider', model: 'pinned-model', maxTokens: 32_768 },
}))
})
})
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