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When hit max_output_tokens, some events are not emitted and logged

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#2,546 1 comentario 0 reacciones 0 asignados Ver en GitHub

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Nadie ha tomado este issue todavía.

Evaluación

Dificultad
4/5
Tiempo estimado
3-5 días
Aptitud para principiantes
42/100
Tipo de issue
Error
Claridad
Necesita aclaración
Estado de actividad
Activo
Área
observability

Línea de trabajo

No se identifican archivos, pruebas ni puntos de entrada. Empieza reproduciendo una solicitud BYOK que alcance max_output_tokens y, después, sigue la emisión de eventos y el registro a través de la respuesta truncada y de la solicitud continue posterior. El trabajo está terminado cuando ambas respuestas estén presentes en events.jsonl y se registren de forma coherente.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

When the AI's output is truncated because it exceeds max_output_tokens and a subsequent request is made, both the current response and the next "continue" request are lost.

This happens in BYOK usage. I use the custom provider and it provides 65536 max_output_tokens. So it easily triggered this bug.

See this events.jsonl below (input and output is ommited for privacy):

{"type":"session.start","data":{"sessionId":"summary-qq-group-957302634-1788584545","version":1,"producer":"copilot-agent","copilotVersion":"0.0.0","startTime":"2026-09-05T05:02:26.005Z","selectedModel":"deepseek-v4-flash","reasoningEffort":"high","contextTier":null,"context":{"cwd":"/home/cola/Softwares/kanade-bot"},"remoteSteerable":false,"alreadyInUse":false},"id":"3e23bf11-4b01-4b8a-bc43-ad9b7d007c69","timestamp":"2026-09-05T05:02:26.024Z","parentId":null}
{"type":"user.message","data":{"content":"...","transformedContent":"...","messageId":"33fe414d-6631-449a-a351-3a34b2c2b68d","supportedNativeDocumentMimeTypes":[],"delivery":"idle","interactionId":"9596a41f-2bfc-4191-998c-740b2e30caec","turnId":"0","parentAgentTaskId":"65b27352-d09e-4c72-956b-b69594366d8c"},"id":"f56f57fc-8c67-4bd2-a372-cfb61f2c4109","timestamp":"2026-09-05T05:02:29.423Z","parentId":"3e23bf11-4b01-4b8a-bc43-ad9b7d007c69"}
{"type":"system.message","data":{"role":"system","content":"...","interactionId":"9596a41f-2bfc-4191-998c-740b2e30caec"},"id":"a33407ed-4a7b-4feb-ad75-83d6b0eac50b","timestamp":"2026-09-05T05:02:29.445Z","parentId":"f56f57fc-8c67-4bd2-a372-cfb61f2c4109"}
{"type":"assistant.turn_start","data":{"turnId":"0","interactionId":"9596a41f-2bfc-4191-998c-740b2e30caec"},"id":"5583fe72-b633-44ea-a183-7ac781d075d2","timestamp":"2026-09-05T05:02:29.458Z","parentId":"a33407ed-4a7b-4feb-ad75-83d6b0eac50b"}
{"type":"assistant.turn_end","data":{"turnId":"0"},"id":"5df48ed1-fe69-4ffe-8645-f0fa2545ef14","timestamp":"2026-09-05T05:03:40.349Z","parentId":"5583fe72-b633-44ea-a183-7ac781d075d2"}
{"type":"assistant.turn_start","data":{"turnId":"1","interactionId":"9596a41f-2bfc-4191-998c-740b2e30caec"},"id":"53c4e5ae-2365-4391-86b3-c39735958279","timestamp":"2026-09-05T05:03:40.349Z","parentId":"5df48ed1-fe69-4ffe-8645-f0fa2545ef14"}
{"type":"assistant.turn_end","data":{"turnId":"1"},"id":"d48f14f2-263b-4990-8d66-f5e858a49b10","timestamp":"2026-09-05T05:04:51.913Z","parentId":"53c4e5ae-2365-4391-86b3-c39735958279"}
{"type":"assistant.turn_start","data":{"turnId":"2","interactionId":"9596a41f-2bfc-4191-998c-740b2e30caec"},"id":"e77c5372-08d4-47ba-b886-5a75ae6a5a6d","timestamp":"2026-09-05T05:04:51.914Z","parentId":"d48f14f2-263b-4990-8d66-f5e858a49b10"}
{"type":"assistant.message","data":{"messageId":"51f06be7-30d8-4d28-b8ae-e8dc1fcc9937","model":"deepseek-v4-flash","content":"（继续）...","toolRequests":[],"interactionId":"9596a41f-2bfc-4191-998c-740b2e30caec","turnId":"2","reasoningText":"Let me continue writing the topic summary. I was in the middle of topic 12. Let me continue from there, then complete the personal image section.","rte":false,"apiCallId":"6197b23f-7420-44dd-8bc4-a032e5784de2"},"id":"7fd35caa-4f74-4365-84d5-c39f7556561a","timestamp":"2026-09-05T05:05:41.237Z","parentId":"e77c5372-08d4-47ba-b886-5a75ae6a5a6d"}
{"type":"assistant.turn_end","data":{"turnId":"2"},"id":"1d7b9c22-2a37-4a73-b54e-f7f398c00f40","timestamp":"2026-09-05T05:05:41.244Z","parentId":"7fd35caa-4f74-4365-84d5-c39f7556561a"}
{"type":"session.shutdown","data":{"shutdownType":"routine","totalPremiumRequests":0,"totalNanoAiu":0,"totalApiDurationMs":190704,"sessionStartTime":1788584546005,"eventsFileSizeBytes":368878,"codeChanges":{"linesAdded":0,"linesRemoved":0,"filesModified":[]},"modelMetrics":{"deepseek-v4-flash":{"requests":{"count":3,"cost":0},"usage":{"inputTokens":234114,"outputTokens":21467,"cacheReadTokens":147456,"cacheWriteTokens":0,"reasoningTokens":14945},"totalNanoAiu":0}},"agentMetrics":{"main":{"totalApiDurationMs":190704,"totalNanoAiu":0.0,"modelMetrics":{"deepseek-v4-flash":{"requests":{"count":3,"cost":0.0},"usage":{"inputTokens":234114,"outputTokens":21467,"cacheReadTokens":147456,"cacheWriteTokens":0,"reasoningTokens":14945},"totalNanoAiu":0.0}}}},"currentModel":"deepseek-v4-flash","currentTokens":81090,"systemTokens":816,"conversationTokens":68907,"toolDefinitionsTokens":11364},"id":"391655ed-981c-4225-b84c-8948504c7bae","timestamp":"2026-09-05T05:05:41.537Z","parentId":"1d7b9c22-2a37-4a73-b54e-f7f398c00f40"}

OS: Linux Mint 22.3
Copilot SDK Version: v1.0.13
Copilot CLI Version: v1.0.83 (pinned version)

Lenguaje dominante
TypeScript
Estrellas
10.5k
Forks
1.5k
Merge medio
1 d 6 h
PR fusionados (30 d)
106

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