CreateDiagnosticsOptions
CORE · interface · Type contract
Options for creating a root diagnostic scope.
Import
ts
import type { CreateDiagnosticsOptions } from '@jangts/agent-core/diagnostics';1
js
/** @typedef {import('@jangts/agent-core/diagnostics').CreateDiagnosticsOptions} CreateDiagnosticsOptions */1
Other public entry points:@jangts/agent-core, @jangts/agent-core/types, @jangts/agent-core/structs, @jangts/agent-core/diagnostics.
Definition
ts
interface CreateDiagnosticsOptions1
Field structure
| Field | Type | Required | Description |
|---|---|---|---|
output | CoreLogOutput | undefined | Optional | Read-only. Log destination; omission disables persistence while observation can still work. |
observe | ExecutionObserver | undefined | Optional | Read-only. Live observer of the same facts, independent of output. |
runId | string | undefined | Optional | Read-only. Root run id; generated when omitted. |
spanId | string | undefined | Optional | Read-only. Root span id; generated when omitted. |
Examples
- Process observation and node reports: The App subscribes to Core execution facts; nodes report their own usedModel and use an instance sub-logger to record intent first and then results, while the Loop owns identity and logging.
Observe the nodes and model events a task passes through
Beginner · Node.js
ts
import { AgentCoreEngine, defineWorkflow, route } from '@jangts/agent-core/engine';
type State = { name: string; answer?: string };
const workflow = defineWorkflow<State, string>({
id: 'greeting',
nodes: [{
id: 'greet', description: '根据本次姓名生成问候', startsRound: true,
run: state => ({ answer: '你好，' + state.name }),
routes: [route.deliver('answer')],
}],
});
const agent = new AgentCoreEngine({ workflow, execution: {
observe: { event(event) { console.log(event.type, event.eventId); } },
} });
console.log(await agent.run({ name: 'Ivan' }));1
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js
import { AgentCoreEngine, defineWorkflow, route } from '@jangts/agent-core/engine';
const workflow = defineWorkflow({
id: 'greeting',
nodes: [{
id: 'greet', description: '根据本次姓名生成问候', startsRound: true,
run: state => ({ answer: '你好，' + state.name }),
routes: [route.deliver('answer')],
}],
});
const agent = new AgentCoreEngine({ workflow, execution: {
observe: { event(event) { console.log(event.type, event.eventId); } },
} });
console.log(await agent.run({ name: 'Ivan' }));1
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Report a business stage while the node executes
Configuration · Node.js
The node only reports facts it knows; Core owns node identity and execution association.
ts
import { AgentCoreEngine, defineWorkflow, route } from '@jangts/agent-core/engine';
type State = { name: string; answer?: string };
const workflow = defineWorkflow<State, string>({ id: 'greeting', nodes: [{
id: 'greet', description: '生成问候', startsRound: true,
run(state, context) {
context.report({ payload: { phase: 'formatting' } });
return { answer: '你好，' + state.name };
}, routes: [route.deliver('answer')],
}] });
const agent = new AgentCoreEngine({ workflow, execution: {
observe: { event(event) { console.log(event.type); } },
} });
console.log(await agent.run({ name: 'Ivan' }));1
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js
import { AgentCoreEngine, defineWorkflow, route } from '@jangts/agent-core/engine';
const workflow = defineWorkflow({ id: 'greeting', nodes: [{
id: 'greet', description: '生成问候', startsRound: true,
run(state, context) {
context.report({ payload: { phase: 'formatting' } });
return { answer: '你好，' + state.name };
}, routes: [route.deliver('answer')],
}] });
const agent = new AgentCoreEngine({ workflow, execution: {
observe: { event(event) { console.log(event.type); } },
} });
console.log(await agent.run({ name: 'Ivan' }));1
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