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fix(core): bound tool structured output

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This commit is contained in:
Kit Langton 2026-07-20 13:09:57 -04:00
commit 2deaa7786c
17 changed files with 440 additions and 165 deletions
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28
packages/core/test/tool-read.test.ts
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@ -206,14 +206,14 @@ describe("ReadTool", () => {
call: { type: "tool-call", id: "call-read", name: "read", input: { path: "README.md" } },
}),
).toEqual({
type: "json",
value: {
type: "text",
value: JSON.stringify({
uri: "file:///README.md",
name: "README.md",
content: "hello",
encoding: "utf8",
mime: "text/plain",
},
}),
})
expect(assertions).toMatchObject([{ sessionID, action: "read", resources: ["README.md"], save: ["*"] }])
expect(readCalls).toEqual([
@ -236,7 +236,7 @@ describe("ReadTool", () => {
...toolIdentity,
call: { type: "tool-call", id: "call-external-read", name: "read", input: { path: external } },
}),
).toMatchObject({ type: "json" })
).toMatchObject({ type: "text" })
expect(assertions).toMatchObject([
{
sessionID,
@ -287,14 +287,15 @@ describe("ReadTool", () => {
call: { type: "tool-call", id: "call-image-settle", name: "read", input: { path: "pixel.png" } },
})
expect(settled.output?.structured).toMatchObject({
type: "file",
uri: "file:///pixel.png",
name: "pixel.png",
mime: "image/png",
encoding: "base64",
// Image base64 is carried by the content file item only; structured is slimmed
// so the original bytes are never persisted twice.
content: "",
bytes: Buffer.byteLength(png, "base64"),
truncated: false,
})
expect(settled.output?.structured).not.toHaveProperty("content")
expect(settled.output?.content).toMatchObject([
{ type: "text", text: "Image read successfully" },
{ type: "file", mime: "image/png", uri: `data:image/png;base64,${png}` },
@ -626,7 +627,7 @@ describe("ReadTool", () => {
input: { path: "src", offset: 2, limit: 10 },
},
}),
).toEqual({ type: "json", value: { entries: [], truncated: false } })
).toEqual({ type: "text", value: JSON.stringify({ entries: [], truncated: false }) })
expect(assertions).toMatchObject([{ sessionID, action: "read", resources: ["src"], save: ["*"] }])
expect(listCalls).toEqual([{ offset: 2, limit: 10 }])
}),
@ -692,8 +693,15 @@ describe("ReadTool", () => {
},
}),
).toEqual({
type: "json",
value: { type: "text-page", content: "hello", mime: "text/plain", offset: 2, truncated: true, next: 3 },
type: "text",
value: JSON.stringify({
type: "text-page",
content: "hello",
mime: "text/plain",
offset: 2,
truncated: true,
next: 3,
}),
})
expect(readCalls).toEqual([
{ input: AbsolutePath.make(path.join(process.cwd(), "large.txt")), page: { offset: 2, limit: 1 } },