openclaw - 💡(How to fix) Fix [Bug] v2026.3.11: Discord thread metadata re-injected every turn (context pollution) [1 participants]

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openclaw/openclaw#44449Fetched 2026-04-08 00:46:53
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Root Cause

El runtime compilado en dist/pi-embedded-D6PpOsxP.js trata los threads Discord como si necesitaran metadata volátil repetida en cada turno. A diferencia de Slack (fix #32133) e iMessage (fix #33295), Discord no tiene guardas para limitar esta inyección al primer turno.

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Bug Summary

En OpenClaw v2026.3.11, los threads de Discord reinyectan metadata volátil en cada turno de conversación, causando contaminación de contexto, aumento innecesario de tokens y pérdida de cacheo de prompts.

Síntomas Observados

  • En threads Discord se reinyectan por cada turno: message_id, reply_to_id, timestamp, Thread starter y Chat history since last reply
  • El thread starter y el historial se repiten innecesariamente en cada mensaje
  • Degradación del rendimiento en threads largos
  • Incremento de costos por tokens (cache busting)

Root Cause

El runtime compilado en dist/pi-embedded-D6PpOsxP.js trata los threads Discord como si necesitaran metadata volátil repetida en cada turno. A diferencia de Slack (fix #32133) e iMessage (fix #33295), Discord no tiene guardas para limitar esta inyección al primer turno.

Archivo Afectado (dist/ compilado)

  • dist/pi-embedded-D6PpOsxP.js - Inyección incondicional de metadata en threads Discord

Parche Manual Aplicado (Local)

Archivo: dist/pi-embedded-D6PpOsxP.js

  • Se evitó inyectar para Discord threads: message_id, reply_to_id, timestamp, Thread starter y Chat history since last reply
  • Solo se inyecta esta metadata en el primer turno de la conversación

Validación Post-Parche

  • ✅ Threads Discord dejan de cargar contexto repetido inútil
  • ✅ Prompt caching funciona efectivamente en threads largos
  • ✅ Reducción significativa de tokens facturados

Riesgo de Regresión

ALTO: Este es un parche manual sobre archivos compilados en dist/. Se perderá en la próxima actualización/reinstalación de OpenClaw. Se recomienda:

  1. Aplicar fix oficial en source
  2. Mantener script de revalidación post-update

Issues Relacionados (Referencia)

  • #41355 - Discord: ThreadStarterBody re-injected on every turn
  • #34228 - Discord thread sessions reset unexpectedly
  • #37047 - Discord thread starter metadata busting prompt cache

Entorno

  • OpenClaw: v2026.3.11
  • Canal: Discord threads
  • Fecha del parche: Marzo 2026

extent analysis

Fix Plan

To address the issue of unnecessary metadata injection in Discord threads, we need to modify the code to only inject metadata in the first turn of the conversation. Here are the steps:

  • Modify the dist/pi-embedded-D6PpOsxP.js file to conditionally inject metadata only in the first turn of a Discord thread conversation.
  • Add a check to ensure that message_id, reply_to_id, timestamp, Thread starter, and Chat history since last reply are only injected once.

Example code snippet:

// Check if it's the first turn of the conversation
if (isFirstTurn) {
  // Inject metadata only in the first turn
  injectMetadata(message_id, reply_to_id, timestamp, threadStarter, chatHistory);
} else {
  // Do not inject metadata in subsequent turns
  // ...
}
  • Ensure that the isFirstTurn variable is properly set based on the conversation state.

Verification

To verify that the fix worked:

  • Test Discord threads to ensure that metadata is only injected in the first turn of the conversation.
  • Check that prompt caching is working effectively in long threads.
  • Monitor the number of tokens billed to ensure a significant reduction.

Extra Tips

  • To prevent regression, it's recommended to apply the official fix in the source code and maintain a revalidation script post-update.
  • Refer to related issues (#41355, #34228, #37047) for additional context and potential edge cases.

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