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ref(server-utils): Remove array JSON-stringify fallback in Vercel AI integration #23102

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Merged
nicohrubec merged 1 commit into from
Aug 6, 2026
Merged

ref(server-utils): Remove array JSON-stringify fallback in Vercel AI integration #23102

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10 changes: 5 additions & 5 deletions packages/server-utils/src/ai/vercel-ai/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import {
GEN_AI_OUTPUT_MESSAGES,
GEN_AI_PROVIDER_NAME,
GEN_AI_REQUEST_MODEL,
GEN_AI_RESPONSE_FINISH_REASONS,
GEN_AI_RESPONSE_MODEL,
GEN_AI_TOOL_CALL_ARGUMENTS,
GEN_AI_TOOL_CALL_RESULT,
Expand Down Expand Up @@ -334,14 +335,13 @@ export function processVercelAiSpanAttributes(attributes: Record<string, unknown
attributes[GEN_AI_EMBEDDINGS_INPUT] = parsed.length === 1 ? parsed[0] : JSON.stringify(parsed);
}

if (Array.isArray(attributes[GEN_AI_RESPONSE_FINISH_REASONS])) {
attributes[GEN_AI_RESPONSE_FINISH_REASONS] = JSON.stringify(attributes[GEN_AI_RESPONSE_FINISH_REASONS]);
}
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andreiborza marked this conversation as resolved.

addProviderMetadataToAttributes(attributes);

for (const key of Object.keys(attributes)) {
// JSON-stringify any array-valued attributes so they survive v2 span serialization.
// Can be removed once span streaming supports arrays natively.
if (Array.isArray(attributes[key])) {
attributes[key] = JSON.stringify(attributes[key]);
}
// Change attributes namespaced with `ai.X` to `vercel.ai.X`
if (key.startsWith('ai.')) {
renameAttributeKey(attributes, key, `vercel.${key}`);
Expand Down
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