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fix(core): make V2 reads media-aware and binary-safe (#31038)

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Kit Langton 2026-06-05 19:48:34 -04:00 • committed by GitHub
commit 83dca45dd5
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26 changed files with 1709 additions and 120 deletions
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34
packages/llm/src/protocols/utils/bedrock-media.ts
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@ -49,15 +49,11 @@ const DOCUMENT_FORMATS = {
"text/markdown": "md",
} as const satisfies Record<string, DocumentFormat>
const imageBlock = (part: MediaPart, format: ImageFormat): ImageBlock => ({
image: { format, source: { bytes: ProviderShared.mediaBytes(part) } },
})
const documentBlock = (part: MediaPart, format: DocumentFormat): DocumentBlock => ({
const documentBlock = (part: MediaPart, format: DocumentFormat, bytes: string): DocumentBlock => ({
document: {
format,
name: part.filename ?? `document.${format}`,
source: { bytes: ProviderShared.mediaBytes(part) },
source: { bytes },
},
})
@ -66,15 +62,29 @@ const documentBlock = (part: MediaPart, format: DocumentFormat): DocumentBlock =
// document block. Image MIME types not in `IMAGE_FORMATS` (e.g. `image/svg+xml`)
// get an image-specific error so the caller knows it's a format-support issue,
// not a kind-detection issue.
export const lower = (part: MediaPart) => {
export const lower = Effect.fn("BedrockMedia.lower")(function* (part: MediaPart) {
const mime = part.mediaType.toLowerCase()
const imageFormat = IMAGE_FORMATS[mime as keyof typeof IMAGE_FORMATS]
if (imageFormat) return Effect.succeed(imageBlock(part, imageFormat))
if (imageFormat) {
const media = yield* ProviderShared.validateMedia(
"Bedrock Converse",
part,
new Set<string>(Object.keys(IMAGE_FORMATS)),
)
return { image: { format: imageFormat, source: { bytes: media.base64 } } } satisfies ImageBlock
}
if (mime.startsWith("image/"))
return ProviderShared.invalidRequest(`Bedrock Converse does not support image media type ${part.mediaType}`)
return yield* ProviderShared.invalidRequest(`Bedrock Converse does not support image media type ${part.mediaType}`)
const documentFormat = DOCUMENT_FORMATS[mime as keyof typeof DOCUMENT_FORMATS]
if (documentFormat) return Effect.succeed(documentBlock(part, documentFormat))
return ProviderShared.invalidRequest(`Bedrock Converse does not support media type ${part.mediaType}`)
}
if (documentFormat) {
const media = yield* ProviderShared.validateMedia(
"Bedrock Converse",
part,
new Set<string>(Object.keys(DOCUMENT_FORMATS)),
)
return documentBlock(part, documentFormat, media.base64)
}
return yield* ProviderShared.invalidRequest(`Bedrock Converse does not support media type ${part.mediaType}`)
})
export * as BedrockMedia from "./bedrock-media"