ReplyPreviewRule

SUPPORT · interface · Type contract

One projection rule: which stage/capability it matches and which prose fields may be shown.

A rule without toolId may only match a registered plain-text stage.

Import

TypeScript

import type { ReplyPreviewRule } from '@jangts/agent-core/support';

JavaScript

/** @typedef {import('@jangts/agent-core/support').ReplyPreviewRule} ReplyPreviewRule */

Other public entry points:@jangts/agent-core/support.

Definition

interface ReplyPreviewRule

Field structure

Field	Type	Required	Description
toolId	string | undefined	Optional	Native function wire name. Omit only for a registered plain-text stage.
stageId	string | undefined	Optional	Restrict the rule to one stage; omitted matches any stage producing this capability.
paths	readonly (readonly string[])[] | undefined	Optional	JSON paths to project, where * matches any array index; defaults to text/bubble paths.
when	{ path: readonly string[]; values: readonly string[]; } | undefined	Optional	Presentation eligibility from a complete string field in the same proposal.

Examples

• Body preview: ordered output is not final acceptance: Extract displayable body text by registered stage/tool/field path, and refuse to treat control proposals as executed results.

Add a preview for a plain-text stage

Beginner · Node.js

TypeScript

import { ModelRunner, Support } from '@jangts/agent-core';
const preview = Support.createReplyPreview({ rules: [{ stageId: 'reply' }],
  sink: bubbles => { console.log('preview', bubbles); },
});
const runner = new ModelRunner({ provider: { async *stream() { yield '你好'; yield '，Core'; } }, sink: { output: preview } });
console.log((await runner.invoke({ input: '你好', stageId: 'reply' })).value);

JavaScript

import { ModelRunner, Support } from '@jangts/agent-core';
const preview = Support.createReplyPreview({ rules: [{ stageId: 'reply' }],
    sink: bubbles => { console.log('preview', bubbles); },
});
const runner = new ModelRunner({ provider: { async *stream() { yield '你好'; yield '，Core'; } }, sink: { output: preview } });
console.log((await runner.invoke({ input: '你好', stageId: 'reply' })).value);

Allow only displayable fields of an explicit body protocol

Configuration · Node.js

Rules must correspond to the reply tool and Schema the App actually registers; configuring a preview does not create a model tool.

TypeScript

import { Support } from '@jangts/agent-core';
const preview = Support.createReplyPreview({
  rules: [{ stageId: 'reply', toolId: 'reply', paths: [['answer'], ['bubbles', '*']],
    when: { path: ['kind'], values: ['reply'] } }],
  sink: async bubbles => { console.log('当前暂态正文', bubbles); },
  maxChars: 4000,
});
console.log(typeof preview);

JavaScript

import { Support } from '@jangts/agent-core';
const preview = Support.createReplyPreview({
    rules: [{ stageId: 'reply', toolId: 'reply', paths: [['answer'], ['bubbles', '*']],
            when: { path: ['kind'], values: ['reply'] } }],
    sink: async (bubbles) => { console.log('当前暂态正文', bubbles); },
    maxChars: 4000,
});
console.log(typeof preview);