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fix: prevent raw AIMessage JSON from being displayed in chat when using Gemini with Retriever Tool #5985

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fix: prevent raw AIMessage JSON from being displayed in chat when using Gemini with Retriever Tool #5985

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7 changes: 5 additions & 2 deletions packages/components/nodes/agentflow/Agent/Agent.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1336,11 +1336,14 @@ class Agent_Agentflow implements INode {
finalResponse = processedParts.filter((text) => text).join('\n')
} else if (response.content && typeof response.content === 'string') {
finalResponse = response.content
} else if (response.content === '') {
} else if (response.content === '' || response.content == null) {
// Empty response content, this could happen when there is only image data
// or when content is null/undefined (e.g., when there are only tool_calls)
finalResponse = ''
} else {
finalResponse = JSON.stringify(response, null, 2)
// Fallback: extract text content using the utility function
// instead of serializing the entire response object
finalResponse = extractResponseContent(response)
}

// Address built in tools
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3 changes: 2 additions & 1 deletion packages/server/src/utils/buildChatflow.ts
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Expand Up @@ -854,7 +854,8 @@ export const executeFlow = async ({
logger.log('[server]: Post Processing Error:', e)
}
}
} else if (result.json) resultText = '```json\n' + JSON.stringify(result.json, null, 2)
} else if (result.json) resultText = '```json\n' + JSON.stringify(result.json, null, 2) + '\n```'
else if (result.content) resultText = result.content
else resultText = JSON.stringify(result, null, 2)

const apiMessage: Omit<IChatMessage, 'createdDate'> = {
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