feat(core): Truncate request messages in AI integrations#17921
Merged
RulaKhaled merged 10 commits intodevelopfrom Oct 21, 2025
Merged
feat(core): Truncate request messages in AI integrations#17921RulaKhaled merged 10 commits intodevelopfrom
RulaKhaled merged 10 commits intodevelopfrom
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size-limit report 📦
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node-overhead report 🧳Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
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JPeer264
requested changes
Oct 21, 2025
| * Calculate the UTF-8 byte length of a string. | ||
| */ | ||
| const utf8Bytes = (text: string): number => { | ||
| return new TextEncoder().encode(text).length; |
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l: TextEncoder is not available in Bun Workers. I am not sure if this is something we want to support.
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hmm looks like it is https://developer.mozilla.org/en-US/docs/Web/API/TextDecoder/TextDecoder
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ok I am officially confused: https://developer.mozilla.org/en-US/docs/Web/API/TextEncoder. Anyways - I think it is safe to assume that Bun is listed and it will work
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Fixes: #17809
Implements message truncation logic that drops oldest messages first until the payload fits within the 20KB limit. If a single message exceeds the limit, its content is truncated from the end. Supports OpenAI/Anthropic ({ role, content }) and Google GenAI ({ role, parts: [{ text }] }) message formats.