feat(sdk): add HttpApi clients and embedded host (#33445)

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Kit Langton 2026-06-25 05:08:54 +02:00 committed by GitHub
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59 changed files with 4629 additions and 316 deletions

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import { expect, test } from "bun:test"
import { Schema } from "effect"
import { AgentV2 } from "@opencode-ai/core/agent"
import { Location as CoreLocation } from "@opencode-ai/core/location"
import { ModelV2 } from "@opencode-ai/core/model"
import { SessionV2 } from "@opencode-ai/core/session"
import { SessionInput as CoreSessionInput } from "@opencode-ai/core/session/input"
import { SessionMessage as CoreSessionMessage } from "@opencode-ai/core/session/message"
import { Prompt as CorePrompt } from "@opencode-ai/core/session/prompt"
import { Agent } from "@opencode-ai/schema/agent"
import { Location } from "@opencode-ai/schema/location"
import { Model } from "@opencode-ai/schema/model"
import { Project } from "@opencode-ai/schema/project"
import { Provider } from "@opencode-ai/schema/provider"
import { Prompt } from "@opencode-ai/schema/prompt"
import { Session } from "@opencode-ai/schema/session"
import { SessionInput } from "@opencode-ai/schema/session-input"
import { SessionMessage } from "@opencode-ai/schema/session-message"
import { Workspace } from "@opencode-ai/schema/workspace"
import { Api } from "@opencode-ai/server/api"
import { compile, emitPromise } from "@opencode-ai/httpapi-codegen"
import { HttpApi } from "effect/unstable/httpapi"
import { SessionGroup } from "../src/contract"
test("Core and Server reuse the authoritative Schema and Protocol values", () => {
expect(AgentV2.ID).toBe(Agent.ID)
expect(CoreLocation.Ref).toBe(Location.Ref)
expect(ModelV2.Ref).toBe(Model.Ref)
expect(SessionV2.Info).toBe(Session.Info)
expect(CoreSessionInput.Admitted).toBe(SessionInput.Admitted)
expect(CoreSessionMessage.Message).toBe(SessionMessage.Message)
expect(CorePrompt).toBe(Prompt)
expect(Api.groups["server.session"].identifier).toBe("server.session")
expect(SessionGroup.identifier).toBe(Api.groups["server.session"].identifier)
expect(Session.ID.create()).toStartWith("ses_")
expect(Project.ID.global).toBe("global")
expect(Provider.ID.anthropic).toBe("anthropic")
expect(Workspace.ID.create()).toStartWith("wrk_")
})
test("client and Server Session contracts generate identically", () => {
const options = { groupNames: { "server.session": "sessions" } }
const server = compile(HttpApi.make("server").add(Api.groups["server.session"]), options)
const client = compile(HttpApi.make("client").add(SessionGroup), options)
expect(emitPromise(client)).toEqual(emitPromise(server))
})
test("shared DTO schemas construct and decode plain objects", () => {
const made = Prompt.make({ text: "hello" })
const decoded = Schema.decodeUnknownSync(Prompt)({ text: "hello" })
const content = Schema.decodeUnknownSync(SessionMessage.AssistantText)({ type: "text", id: "part_1", text: "hi" })
expect(Object.getPrototypeOf(made)).toBe(Object.prototype)
expect(Object.getPrototypeOf(decoded)).toBe(Object.prototype)
expect(Object.getPrototypeOf(content)).toBe(Object.prototype)
expect(Prompt.ast.annotations?.identifier).toBe("Prompt")
expect(SessionMessage.AssistantText.ast.annotations?.identifier).toBe("Session.Message.Assistant.Text")
expect(CoreSessionMessage.AssistantText).toBe(SessionMessage.AssistantText)
})

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import { expect, test } from "bun:test"
import { DateTime, Effect } from "effect"
import { HttpClient, HttpClientResponse } from "effect/unstable/http"
import { AbsolutePath, Agent, Location, Model, OpenCode, Prompt, Session } from "../src/effect"
test("sessions.get returns the decoded Effect projection", async () => {
const httpClient = HttpClient.make((request) =>
Effect.succeed(HttpClientResponse.fromWeb(request, Response.json(session))),
)
const result = await Effect.gen(function* () {
const client = yield* OpenCode.make({ baseUrl: "http://localhost:3000" })
return yield* client.sessions.get({ sessionID: Session.ID.make("ses_test") })
}).pipe(Effect.provideService(HttpClient.HttpClient, httpClient), Effect.runPromise)
expect(DateTime.toEpochMillis(result.time.created)).toBe(1_717_171_717_000)
})
test("session methods retain decoded Effect inputs and outputs", async () => {
const httpClient = HttpClient.make((request) => {
const url = request.url
if (url.includes("/prompt")) {
return Effect.succeed(HttpClientResponse.fromWeb(request, Response.json(admission)))
}
if (url.includes("/context")) {
return Effect.succeed(HttpClientResponse.fromWeb(request, Response.json({ data: [] })))
}
if (request.method === "POST" && url.endsWith("/api/session")) {
return Effect.succeed(HttpClientResponse.fromWeb(request, Response.json(session)))
}
if (request.method === "POST") {
return Effect.succeed(HttpClientResponse.fromWeb(request, new Response(null, { status: 204 })))
}
return Effect.succeed(
HttpClientResponse.fromWeb(request, Response.json({ data: [session.data], cursor: { next: "next" } })),
)
})
const result = await Effect.gen(function* () {
const client = yield* OpenCode.make({ baseUrl: "http://localhost:3000" })
const page = yield* client.sessions.list({ limit: 10 })
const created = yield* client.sessions.create({
location: Location.Ref.make({ directory: AbsolutePath.make("/tmp/project") }),
})
yield* client.sessions.switchAgent({ sessionID: Session.ID.make("ses_test"), agent: Agent.ID.make("build") })
yield* client.sessions.switchModel({
sessionID: Session.ID.make("ses_test"),
model: Model.Ref.make({ id: "claude", providerID: "anthropic" }),
})
const admitted = yield* client.sessions.prompt({
sessionID: Session.ID.make("ses_test"),
prompt: Prompt.make({ text: "Hello" }),
resume: false,
})
yield* client.sessions.compact({ sessionID: Session.ID.make("ses_test") })
yield* client.sessions.wait({ sessionID: Session.ID.make("ses_test") })
const context = yield* client.sessions.context({ sessionID: Session.ID.make("ses_test") })
return { page, created, admitted, context }
}).pipe(Effect.provideService(HttpClient.HttpClient, httpClient), Effect.runPromise)
expect(DateTime.toEpochMillis(result.page.data[0].time.created)).toBe(1_717_171_717_000)
expect(Object.getPrototypeOf(result.page.data[0])).toBe(Object.prototype)
expect(Object.getPrototypeOf(result.created)).toBe(Object.prototype)
expect(result.created.id).toBe("ses_test")
expect(Object.getPrototypeOf(result.admitted)).toBe(Object.prototype)
expect(Object.getPrototypeOf(result.admitted.prompt)).toBe(Object.prototype)
expect(DateTime.toEpochMillis(result.admitted.timeCreated)).toBe(1_717_171_717_000)
expect(result.context).toEqual([])
})
const session = {
data: {
id: "ses_test",
projectID: "project",
cost: 0,
tokens: {
input: 1,
output: 2,
reasoning: 3,
cache: { read: 4, write: 5 },
},
time: {
created: 1_717_171_717_000,
updated: 1_717_171_717_000,
},
title: "Test",
location: { directory: "/tmp/project" },
},
}
const admission = {
data: {
admittedSeq: 0,
id: "msg_test",
sessionID: "ses_test",
prompt: { text: "Hello" },
delivery: "steer",
timeCreated: 1_717_171_717_000,
},
}

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import { describe, expect, test } from "bun:test"
import { realpathSync } from "node:fs"
import { mkdtemp, rm } from "node:fs/promises"
import { join, resolve, sep } from "node:path"
const directory = resolve(import.meta.dir, "..")
const effect = realpathSync(resolve(import.meta.dir, "../node_modules/effect"))
const schema = resolve(import.meta.dir, "../../schema")
const protocol = resolve(import.meta.dir, "../../protocol")
const core = resolve(import.meta.dir, "../../core")
const server = resolve(import.meta.dir, "../../server")
describe("public import boundaries", () => {
test("isolates each public entrypoint", async () => {
const root = await bundleInputs("@opencode-ai/client", "browser")
expect(within(root, effect)).toEqual([])
expect(within(root, schema)).toEqual([])
expect(within(root, protocol)).toEqual([])
expect(within(root, core)).toEqual([])
expect(within(root, server)).toEqual([])
const network = await bundleInputs("@opencode-ai/client/effect", "browser")
expect(within(network, effect).length).toBeGreaterThan(0)
expect(within(network, schema).length).toBeGreaterThan(0)
expect(within(network, protocol).length).toBeGreaterThan(0)
expect(within(network, core)).toEqual([])
expect(within(network, server)).toEqual([])
})
})
async function bundleInputs(specifier: string, target: "browser" | "bun") {
const temporary = await mkdtemp(join(import.meta.dir, ".import-boundary-"))
const entrypoint = join(temporary, "index.ts")
const metafile = join(temporary, "meta.json")
try {
await Bun.write(entrypoint, `export * from ${JSON.stringify(specifier)}`)
const child = Bun.spawn(
[
process.execPath,
"build",
entrypoint,
`--target=${target}`,
"--format=esm",
"--packages=bundle",
`--metafile=${metafile}`,
`--outdir=${join(temporary, "out")}`,
],
{ cwd: directory, stdout: "pipe", stderr: "pipe" },
)
const [exitCode, stdout, stderr] = await Promise.all([
child.exited,
new Response(child.stdout).text(),
new Response(child.stderr).text(),
])
if (exitCode !== 0) throw new Error(stdout + stderr)
const metadata = await Bun.file(metafile).json()
return Object.keys(metadata.inputs).map((input) => resolve(directory, input))
} finally {
await rm(temporary, { recursive: true, force: true })
}
}
function within(inputs: ReadonlyArray<string>, directory: string) {
const prefix = directory.endsWith(sep) ? directory : directory + sep
return inputs.filter((input) => input === directory || input.startsWith(prefix))
}

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import { expect, test } from "bun:test"
import { isUnauthorizedError, OpenCode } from "../src"
test("sessions.get returns the wire projection", async () => {
const client = OpenCode.make({
baseUrl: "http://localhost:3000",
fetch: async (input) => {
expect(typeof input === "string" ? input : input instanceof URL ? input.href : input.url).toBe(
"http://localhost:3000/api/session/ses_test",
)
return Response.json(session)
},
})
const result = await client.sessions.get({ sessionID: "ses_test" })
expect(result.time.created).toBe(1_717_171_717_000)
})
test("session methods use the public HTTP contract", async () => {
const requests: Array<{ url: string; init?: RequestInit }> = []
const client = OpenCode.make({
baseUrl: "http://localhost:3000",
fetch: async (input, init) => {
const url = typeof input === "string" ? input : input instanceof URL ? input.href : input.url
requests.push({ url, init })
if (url.includes("/prompt")) return Response.json(admission)
if (url.includes("/context")) return Response.json({ data: [] })
if (init?.method === "POST" && url.endsWith("/api/session")) return Response.json(session)
if (init?.method === "POST") return new Response(null, { status: 204 })
return Response.json({ data: [session.data], cursor: { next: "next" } })
},
})
const page = await client.sessions.list({ limit: "10", order: "desc" })
const created = await client.sessions.create({ location: { directory: "/tmp/project" } })
await client.sessions.switchAgent({ sessionID: "ses_test", agent: "build" })
await client.sessions.switchModel({
sessionID: "ses_test",
model: { id: "claude", providerID: "anthropic" },
})
const admitted = await client.sessions.prompt({
sessionID: "ses_test",
prompt: { text: "Hello" },
resume: false,
})
await client.sessions.compact({ sessionID: "ses_test" })
await client.sessions.wait({ sessionID: "ses_test" })
const context = await client.sessions.context({ sessionID: "ses_test" })
expect(page.cursor.next).toBe("next")
expect(created.id).toBe("ses_test")
expect(admitted.id).toBe("msg_test")
expect(context).toEqual([])
expect(requests.map((request) => [request.init?.method, request.url])).toEqual([
["GET", "http://localhost:3000/api/session?limit=10&order=desc"],
["POST", "http://localhost:3000/api/session"],
["POST", "http://localhost:3000/api/session/ses_test/agent"],
["POST", "http://localhost:3000/api/session/ses_test/model"],
["POST", "http://localhost:3000/api/session/ses_test/prompt"],
["POST", "http://localhost:3000/api/session/ses_test/compact"],
["POST", "http://localhost:3000/api/session/ses_test/wait"],
["GET", "http://localhost:3000/api/session/ses_test/context"],
])
const body = requests[4]?.init?.body
if (typeof body !== "string") throw new Error("Expected JSON request body")
expect(JSON.parse(body)).toEqual({
prompt: { text: "Hello" },
resume: false,
})
})
test("middleware errors remain declared client errors", async () => {
const client = OpenCode.make({
baseUrl: "http://localhost:3000",
fetch: async () =>
Response.json({ _tag: "UnauthorizedError", message: "Authentication required" }, { status: 401 }),
})
try {
await client.sessions.create({})
throw new Error("Expected request to fail")
} catch (error) {
expect(isUnauthorizedError(error)).toBe(true)
}
})
const session = {
data: {
id: "ses_test",
projectID: "project",
cost: 0,
tokens: {
input: 1,
output: 2,
reasoning: 3,
cache: { read: 4, write: 5 },
},
time: {
created: 1_717_171_717_000,
updated: 1_717_171_717_000,
},
title: "Test",
location: { directory: "/tmp/project" },
},
}
const admission = {
data: {
admittedSeq: 0,
id: "msg_test",
sessionID: "ses_test",
prompt: { text: "Hello" },
delivery: "steer",
timeCreated: 1_717_171_717_000,
},
}