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refactor(core): share read media types (#45597)

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Reuse the reader-owned media MIME set in the read tool leaf while preserving both ingestion and unsupported-base64 validation boundaries.
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Kit Langton 2026-08-27 14:24:41 -04:00 • committed by GitHub
parent fafcea42e6
commit d3694a5383
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2 changed files with 6 additions and 3 deletions
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7
packages/core/src/tool/plugin/read.ts
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@ -15,7 +15,6 @@ import { Environment } from "../../environment/index.js"
export const name = "read"
const FILENAME = "AGENTS.md"
const SUPPORTED_MEDIA_MIMES = new Set(["image/jpeg", "image/png", "image/gif", "image/webp", "application/pdf"])
const LocationInput = Schema.Struct({
path: Schema.String.annotate({ description: "File or directory to read" }),
offset: ReadToolFileSystem.PageInput.fields.offset.annotate({
@ -104,7 +103,11 @@ export const Plugin = {
Effect.catch(() => Effect.void),
Effect.catchDefect(() => Effect.void),
)
if (content.type === "file" && content.encoding === "base64" && !SUPPORTED_MEDIA_MIMES.has(content.mime))
if (
content.type === "file" &&
content.encoding === "base64" &&
!ReadToolFileSystem.MEDIA_MIMES.has(content.mime)
)
return yield* Effect.fail(new ReadToolFileSystem.BinaryFileError({ resource }))
return content
}).pipe(

2
packages/core/src/tool/read-filesystem.ts
View file

@ -18,7 +18,7 @@ const FIRST_CHUNK = 256 * 1024
const MAX_LINE_LENGTH = 2_000
const TREE_BASE = 6
const MAX_LINE_SUFFIX = `... (line truncated to ${MAX_LINE_LENGTH} chars)`
const MEDIA_MIMES = new Set(["image/png", "image/jpeg", "image/gif", "image/webp", "application/pdf"])
export const MEDIA_MIMES = new Set(["image/png", "image/jpeg", "image/gif", "image/webp", "application/pdf"])
export class BinaryFileError extends Schema.TaggedError<BinaryFileError>()("ReadTool.BinaryFileError", {
resource: Schema.String,