Merge branch 'codex/code-mode-typed-results' into codex/code-mode-complete-result-card

# Conflicts:
#	.agents/notes/implemented/architecture/2026-07-20-canonical-tool-output-contract.i18n.yaml
#	.agents/notes/implemented/feature/2026-07-20-code-mode-typed-tool-returns.i18n.yaml
This commit is contained in:
Tianyi Cui
2026-07-23 01:38:52 +08:00
40 changed files with 1028 additions and 267 deletions

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@@ -7,7 +7,7 @@ import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
import { CodeRuntime } from '@deepseek-ai/dsh-code-runtime'
import type { CodeRunRequest, CodeRunResult } from '@deepseek-ai/dsh-code-runtime'
import ToolRegistry, { CodeRunFailedError, RUN_CODE_NAME, TOOL_ABORTED_BEFORE_DISPATCH, defineContentToolFixture, defineTool } from '@deepseek-ai/dsh-tools'
import type { Config, PostToolDecision, ToolExecutionResult } from '@deepseek-ai/dsh-tools'
import type { Config, JsonSchemaNode, PostToolDecision, ToolExecutionResult } from '@deepseek-ai/dsh-tools'
import type { Agent } from '@deepseek-ai/dsh-agent'
import { Session, SessionId } from '@deepseek-ai/dsh-session'
import type { JsonValue, SessionEventMap } from '@deepseek-ai/dsh-session'
@@ -130,6 +130,30 @@ describe('mode-aware wire contribution', () => {
expect(sdk?.text).not.toContain('run_code:')
})
it('projects deeply nested output schemas into the Code Mode SDK without structured-clone recursion', async () => {
const { ctx, systemPrompt } = await setup({ mode: 'code' })
let output: JsonSchemaNode = { type: 'string' }
for (let depth = 0; depth < 5_000; depth++) {
output = { oneOf: [output, { type: 'null' }] }
}
ctx.tools.register({
name: 'deep_output',
description: 'Return a deeply nested output union.',
parameters: { type: 'object', properties: {} },
output: {
schema: output,
render: (_args, value) => [{ type: 'text', text: typeof value === 'string' ? value : 'null' }],
},
execute() { return Promise.resolve('ok') },
})
const assembly = await systemPrompt.assemble()
const sdk = assembly.sections.find(section => section.name === 'tools:sdk')?.text
expect(sdk).toContain('deep_output: Record<string, JsonValue>;')
expect(sdk).toContain('deep_output: string | null')
})
it.each(['code', 'both'] as const)('treats expert assembly output as authoritative in mode %s', async (mode) => {
const { ctx, systemPrompt } = await setup({ mode })
registerEcho(ctx)
@@ -272,6 +296,10 @@ describe('mode-aware wire contribution', () => {
const { ctx, runtime } = await setup({ mode: 'both' })
registerEcho(ctx)
runtime.behavior = (request) => {
expect(request.bindings[0]!.errorClass).toEqual({
name: 'ToolCallError',
memberNameProperty: 'toolName',
})
const functions = request.bindings[0]!.functions
return Promise.resolve({
logs: [],
@@ -835,6 +863,57 @@ describe('the run_code dispatch bridge', () => {
expect(events.filter(event => event.type === 'tool/code-dispatch')).toEqual([])
})
it('dispatches and durably logs binding arguments deeper than the structured-clone call stack', async () => {
const { ctx, runtime } = await setup({ mode: 'code' })
const depth = 5_000
let observedDepth = 0
let observedLeaf: JsonValue | undefined
ctx.tools.register(defineTool({
name: 'deep_args',
description: 'Measure a deeply nested JSON argument.',
parameters: { nested: { type: 'json', required: true } },
output: {
schema: { type: 'integer' },
render: (_args, value) => [{ type: 'text', text: String(value) }],
},
execute(args) {
let cursor = args.nested
while (Array.isArray(cursor)) {
if (cursor.length !== 1) throw new Error('expected one item per nesting layer')
observedDepth++
cursor = cursor[0]!
}
observedLeaf = cursor
return Promise.resolve(observedDepth)
},
}))
const session = new Session(SessionId('deep-code-arguments'))
const agent = { session } as Agent
runtime.behavior = async (request) => {
let nested: JsonValue = 'leaf'
for (let index = 0; index < depth; index++) nested = [nested]
const value = await request.bindings[0]!.functions.deep_args!({ nested })
return { logs: [], value }
}
const result = await runCode(ctx, 'return tools.deep_args(...)', { agent })
expect(result.isError).toBe(false)
expect(result.isError ? undefined : result.value).toEqual({ logs: [], result: depth })
expect({ observedDepth, observedLeaf }).toEqual({ observedDepth: depth, observedLeaf: 'leaf' })
const dispatch = session.events.find(event => event.type === 'tool/code-dispatch')
if (dispatch === undefined) throw new Error('expected a durable tool/code-dispatch event')
const logged = dispatch.data.arguments as { nested: JsonValue }
let loggedDepth = 0
let loggedCursor = logged.nested
while (Array.isArray(loggedCursor)) {
if (loggedCursor.length !== 1) throw new Error('expected one logged item per nesting layer')
loggedDepth++
loggedCursor = loggedCursor[0]!
}
expect({ loggedDepth, loggedCursor }).toEqual({ loggedDepth: depth, loggedCursor: 'leaf' })
})
it('gives the tool and durable log the same immutable argument value', async () => {
const { ctx, runtime } = await setup({ mode: 'code' })
const { agent, events } = fakeAgent()

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@@ -30,6 +30,21 @@ function violationsOf(schema: unknown, objectRoot = false): string[] {
throw new Error('expected schema rejection')
}
function recordWithForgedIntrinsicPrototype(
own: Record<string, unknown>,
inherited: Record<string, unknown> = {},
revoked = false,
): Record<string, unknown> {
const prototype = Object.assign(Object.create(null) as Record<string, unknown>, inherited)
const ForgedObject = function ForgedObject(): void {}
Object.defineProperty(ForgedObject, 'name', { value: 'Object' })
ForgedObject.prototype = prototype
const constructor = revoked ? Proxy.revocable(ForgedObject, {}) : undefined
if (constructor !== undefined) constructor.revoke()
Object.defineProperty(prototype, 'constructor', { value: constructor?.proxy ?? ForgedObject })
return Object.assign(Object.create(prototype) as Record<string, unknown>, own)
}
describe('the enforced raw JSON Schema subset', () => {
it('accepts every JSON root and every supported node', () => {
for (const schema of [
@@ -81,6 +96,23 @@ describe('the enforced raw JSON Schema subset', () => {
.toEqual(['schema.items is not supported beside oneOf'])
expect(violationsOf({ oneOf: [{ type: 'string' }, { type: 'weird' }] })[0])
.toContain('schema.oneOf[1].type')
const sparse = new Array<unknown>(2)
sparse[0] = { type: 'string' }
expect(violationsOf({ oneOf: sparse }))
.toEqual(['schema.oneOf must be an array of at least two schemas'])
const compensatedSparse = new Array<unknown>(2)
compensatedSparse[0] = { type: 'string' }
Object.defineProperty(compensatedSparse, 'extra', { value: true })
expect(violationsOf({ oneOf: compensatedSparse }))
.toEqual(['schema.oneOf must be an array of at least two schemas'])
class ExoticBranches extends Array<unknown> {}
expect(violationsOf({ oneOf: new ExoticBranches({ type: 'string' }, { type: 'null' }) }))
.toEqual(['schema.oneOf must be an array of at least two schemas'])
const explosiveArray = new Proxy([{ type: 'string' }, { type: 'null' }], {
getPrototypeOf() { throw new Error('prototype trap') },
})
expect(violationsOf({ oneOf: explosiveArray }))
.toEqual(['schema.oneOf must be an array of at least two schemas'])
})
it('rejects unknown and misplaced keywords without accepted-then-ignored behavior', () => {
@@ -134,6 +166,9 @@ describe('the enforced raw JSON Schema subset', () => {
'schema.properties must be an object of schemas',
'schema.required names "missing" which is not in properties',
])
const sparseRequired = new Array<string>(1)
expect(violationsOf({ type: 'object', required: sparseRequired }))
.toEqual(['schema.required must be an array of strings'])
})
it('requires type-correct scalar enum and const values', () => {
@@ -163,6 +198,9 @@ describe('the enforced raw JSON Schema subset', () => {
.toEqual(['schema.enum must be a non-empty array of string values'])
expect(violationsOf({ type: 'string', enum: ['a'], const: 'b' }))
.toEqual(['schema.const must be one of schema.enum when both are declared'])
const sparseEnum = new Array<string>(1)
expect(violationsOf({ type: 'string', enum: sparseEnum }))
.toEqual(['schema.enum must be a non-empty array of string values'])
})
it('validates annotation types and lossless JSON payloads', () => {
@@ -195,6 +233,8 @@ describe('the enforced raw JSON Schema subset', () => {
it('accepts lossless annotation containers from another JavaScript realm', () => {
const schema = runInNewContext(`({
type: 'object',
properties: { value: { type: 'string', enum: ['x'] } },
required: ['value'],
default: { x: 1 },
examples: [[{ ok: true }]],
})`) as unknown
@@ -212,6 +252,28 @@ describe('the enforced raw JSON Schema subset', () => {
.toEqual(['schema.properties must be an object of schemas'])
expect(violationsOf({ type: 'object', properties: { at: new Date(0) } }))
.toEqual(['schema.properties.at must be a schema object'])
const forgedSchema = recordWithForgedIntrinsicPrototype(
{ type: 'object' },
{ oneOf: [{ type: 'string' }, { type: 'null' }] },
)
expect(violationsOf(forgedSchema)).toEqual(['schema must be a schema object'])
expect(violationsOf(forgedSchema, true)).toEqual(['schema must be a schema object'])
expect(violationsOf(recordWithForgedIntrinsicPrototype({ type: 'string' }, {}, true)))
.toEqual(['schema must be a schema object'])
const prototypeWithoutConstructor = Object.create(null) as object
expect(violationsOf(Object.create(prototypeWithoutConstructor) as unknown))
.toEqual(['schema must be a schema object'])
expect(violationsOf(Object.defineProperty({ type: 'string' }, 'hidden', { value: true })))
.toEqual(['schema must be a schema object'])
expect(violationsOf({ type: 'string', [Symbol('hidden')]: true }))
.toEqual(['schema must be a schema object'])
expect(violationsOf(new Proxy({}, {
getPrototypeOf() { throw new Error('prototype trap') },
}))).toEqual(['schema must be a schema object'])
expect(violationsOf(new Proxy({}, {
ownKeys() { throw new Error('keys trap') },
}))).toEqual(['schema must be a schema object'])
})
it('asserts deeply nested raw unions without using the JavaScript call stack', () => {
@@ -369,6 +431,21 @@ describe('validateJsonSchemaValue', () => {
asserted({ type: 'object', properties: { constructor: { type: 'string' } } }),
{},
)).toEqual([])
const inheritedUnion = Object.assign(
Object.create({ oneOf: [{ type: 'string' }, { type: 'null' }] }) as JsonSchemaNode,
{ type: 'object' as const },
)
expect(validateJsonSchemaValue(inheritedUnion, {})).toEqual([])
expect(validateJsonSchemaValue(inheritedUnion, 'x')).toEqual(['"value" must be an object'])
expect(validateJsonSchemaValue(
{ type: 'object', properties: undefined } as unknown as JsonSchemaNode,
{},
)).toEqual([])
expect(validateJsonSchemaValue(
{ type: 'object', required: undefined } as unknown as JsonSchemaNode,
{},
)).toEqual([])
})
it('keeps assertNever as a forged-schema backstop', () => {

View File

@@ -71,6 +71,7 @@ describe('the unified author schema DSL', () => {
{ type: 'string', oneOf: [{ type: 'string' }, { type: 'null' }] },
{ oneOf: 'not-an-array' },
{ type: 'string', enum: 'a' },
{},
null,
]) {
expect(() => valueSchemaSpecToJsonSchema(schema as ValueSchemaSpec), JSON.stringify(schema)).toThrow(JsonSchemaError)
@@ -80,6 +81,24 @@ describe('the unified author schema DSL', () => {
} as unknown as ParameterSchemaSpec)).toThrow(JsonSchemaError)
expect(() => parameterSchemaSpecToJsonSchema(null as unknown as ParameterSchemaSpec)).toThrow(JsonSchemaError)
expect(() => parameterSchemaSpecToJsonSchema({ bad: 42 } as unknown as ParameterSchemaSpec)).toThrow(JsonSchemaError)
const symbolKey = Symbol('hidden')
expect(() => parameterSchemaSpecToJsonSchema({
value: { type: 'string' },
[symbolKey]: { type: 'number' },
} as unknown as ParameterSchemaSpec)).toThrow(JsonSchemaError)
const hiddenKey = Object.defineProperty({ value: { type: 'string' } }, 'hidden', {
value: { type: 'number' },
})
expect(() => parameterSchemaSpecToJsonSchema(hiddenKey as ParameterSchemaSpec)).toThrow(JsonSchemaError)
const sparseOneOf = new Array<ValueSchemaSpec>(2)
sparseOneOf[0] = { type: 'string' }
expect(() => valueSchemaSpecToJsonSchema({ oneOf: sparseOneOf } as unknown as ValueSchemaSpec)).toThrow(JsonSchemaError)
const decoratedEnum = Object.assign(['a'], { hidden: true })
expect(() => valueSchemaSpecToJsonSchema({
type: 'string',
enum: decoratedEnum,
})).toThrow(JsonSchemaError)
})
it('rejects cyclic author schemas', () => {
@@ -143,6 +162,22 @@ describe('the unified author schema DSL', () => {
}>>().toEqualTypeOf<{ id: number } & Record<string, JsonValue>>()
})
it('bounds inference for deeply nested author schemas', () => {
type Repeat<Count extends number, Result extends unknown[] = []> =
Result['length'] extends Count ? Result : Repeat<Count, [unknown, ...Result]>
type DeepArraySchema<Levels extends unknown[]> =
Levels extends [unknown, ...infer Rest]
? { type: 'array'; items: DeepArraySchema<Rest> }
: { type: 'string' }
type PeelArrays<Value, Levels extends unknown[]> =
Levels extends [unknown, ...infer Rest]
? Value extends (infer Item)[] ? PeelArrays<Item, Rest> : never
: Value
type DeepValue = InferValue<DeepArraySchema<Repeat<50>>>
expectTypeOf<PeelArrays<DeepValue, Repeat<16>>>().toEqualTypeOf<JsonValue>()
})
it('infers required and optional parameter keys', () => {
expectTypeOf<InferArgs<{
path: { type: 'string'; required: true }
@@ -152,6 +187,7 @@ describe('the unified author schema DSL', () => {
})
it('makes invalid author forms compile-time errors', () => {
const symbolKey = Symbol('parameter')
const invalidObjects = {
// @ts-expect-error explicit object schemas require an openness decision
object: { type: 'object' } satisfies ValueSchemaSpec,
@@ -161,7 +197,9 @@ describe('the unified author schema DSL', () => {
enum: { type: 'number', enum: ['1'] } satisfies ValueSchemaSpec,
// @ts-expect-error parameter requiredness is true-or-absent
required: { value: { type: 'string', required: false } } satisfies ParameterSchemaSpec,
// @ts-expect-error parameter maps accept string keys only
symbol: { [symbolKey]: { type: 'string' } } satisfies ParameterSchemaSpec,
}
expect(Object.keys(invalidObjects)).toHaveLength(4)
expect(Object.keys(invalidObjects)).toHaveLength(5)
})
})

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@@ -1588,6 +1588,55 @@ describe('ToolRegistry', () => {
expect(result.content[0]).toMatchObject({ text: 'short-circuited' })
})
it('revalidates a cached canonical result returned from a different dispatch', async () => {
const ctx = await setup()
ctx.tools.register({ ...echoTool, name: 'string-output', async execute() { return 'cached' } })
let objectBodyRan = false
ctx.tools.register(defineTool({
name: 'object-output',
description: 'Return one closed object.',
parameters: {},
output: {
schema: {
type: 'object',
properties: { ok: { type: 'boolean', required: true } },
additionalProperties: false,
},
render: (_args, value) => [{ type: 'text', text: String(value.ok) }],
},
execute() {
objectBodyRan = true
return Promise.resolve({ ok: true })
},
}))
let cached: ToolExecutionResult | undefined
ctx.on('tools/execute', async (exec, next) => {
if (exec.name === 'string-output') {
cached = await next()
return cached
}
if (exec.name === 'object-output') {
if (cached === undefined) throw new Error('expected the first dispatch result')
return cached
}
return next()
})
const first = await ctx.tools.execute({
signal: testToolSignal, callId: CallId('cached-first'), name: 'string-output', arguments: {},
})
const second = await ctx.tools.execute({
signal: testToolSignal, callId: CallId('cached-second'), name: 'object-output', arguments: {},
})
expect(first.isError ? undefined : first.value).toBe('cached')
expect(objectBodyRan).toBe(false)
expect(second).toMatchObject({
isError: true,
error: { info: { name: 'ToolOutputError', code: 'INVALID_TOOL_OUTPUT' } },
})
})
it('preserves additionalContexts supplied by an around-dispatch result', async () => {
const ctx = await setup()
ctx.tools.register(echoTool)