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fix(core): restore webfetch image output

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This commit is contained in:
Ryan Vogel 2026-07-21 14:05:22 +00:00
commit 50dde6a646
3 changed files with 96 additions and 13 deletions
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57
packages/core/test/tool-webfetch.test.ts
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@ -234,14 +234,41 @@ describe("WebFetchTool registration", () => {
}),
)
it.effect("keeps images and files unsupported until typed settlement can carry attachments", () =>
it.effect("returns images as native media and keeps other files unsupported", () =>
Effect.gen(function* () {
reset()
const registry = yield* ToolRegistry.Service
respond = () => Effect.succeed(new Response("png", { headers: { "content-type": "image/png" } }))
expect(yield* executeTool(registry, call({ url: "https://1.1.1.1/image", format: "html" }))).toEqual({
type: "error",
value: "Unable to fetch https://1.1.1.1/image",
respond = () => Effect.succeed(new Response("png", { headers: { "content-type": "IMAGE/PNG; charset=binary" } }))
expect(yield* settleTool(registry, call({ url: "https://1.1.1.1/image", format: "html" }))).toEqual({
result: {
type: "content",
value: [
{ type: "text", text: "Image fetched successfully" },
{
type: "file",
uri: "data:image/png;base64,cG5n",
mime: "image/png",
name: "https://1.1.1.1/image",
},
],
},
output: {
structured: {
url: "https://1.1.1.1/image",
contentType: "IMAGE/PNG; charset=binary",
format: "html",
output: "Image fetched successfully",
},
content: [
{ type: "text", text: "Image fetched successfully" },
{
type: "file",
uri: "data:image/png;base64,cG5n",
mime: "image/png",
name: "https://1.1.1.1/image",
},
],
},
})
respond = () => Effect.succeed(new Response("pdf", { headers: { "content-type": "application/pdf" } }))
@ -252,6 +279,26 @@ describe("WebFetchTool registration", () => {
}),
)
it.effect("keeps SVG and FastBid sheets as text instead of image media", () =>
Effect.gen(function* () {
reset()
const registry = yield* ToolRegistry.Service
respond = () =>
Effect.succeed(new Response("<svg><text>hello</text></svg>", { headers: { "content-type": "image/svg+xml" } }))
expect(yield* executeTool(registry, call({ url: "https://1.1.1.1/image.svg", format: "html" }))).toEqual({
type: "text",
value: "<svg><text>hello</text></svg>",
})
respond = () =>
Effect.succeed(new Response("table Sheet {}", { headers: { "content-type": "image/vnd.fastbidsheet" } }))
expect(yield* executeTool(registry, call({ url: "https://1.1.1.1/sheet.fbs", format: "text" }))).toEqual({
type: "text",
value: "table Sheet {}",
})
}),
)
it.effect("retries Cloudflare challenges with an honest user agent", () =>
Effect.gen(function* () {
reset()