petya
75601988c2
- Cover, TOC, 5 dividers, 3 recap slides - 5 sections (chains, langgraph, deepagents, openswe, ecosystem) - design-system.js with theme tokens + 9 helper functions - research/: timeline + sources + per-tech notes - final-compile.js + merge.js for rebuild pipeline - output/: langchain-evolution.pptx (2.3 MB) + langchain-evolution.pdf (1.1 MB) + 7 sample previews
72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
/**
|
|
* slides/06-middleware.js
|
|
* ----------------------------------------------------------------------------
|
|
* Slide 06 -- Middleware: AgentMiddleware extension
|
|
* Custom middleware pattern.
|
|
*/
|
|
'use strict';
|
|
|
|
const { helpers, layouts } = require('../../design-system');
|
|
|
|
function buildMiddleware(pres, theme) {
|
|
const slide = pres.addSlide();
|
|
helpers.slideBase(slide, pres, theme);
|
|
helpers.addHeader(slide, pres, theme, {
|
|
eyebrow: 'STAGE 4',
|
|
sectionNumber: 4,
|
|
title: 'Middleware: точки расширения',
|
|
});
|
|
|
|
helpers.addCodeBlock(slide, pres, theme, {
|
|
x: 0.5, y: layouts.CONTENT_TOP, w: 5.6, h: 3.5,
|
|
language: 'python',
|
|
code: [
|
|
'from langchain.agents.middleware import (',
|
|
' AgentMiddleware,',
|
|
')',
|
|
'',
|
|
'class AuditMiddleware(AgentMiddleware):',
|
|
' def after_model(self, state, runtime):',
|
|
' runtime.logger.info(',
|
|
' f"step={state.get(\"step\")}"',
|
|
' )',
|
|
' return state',
|
|
'',
|
|
' def before_model(self, state, runtime):',
|
|
' return state # inject reminder',
|
|
].join('\n'),
|
|
filePath: 'examples/audit_middleware.py',
|
|
startLine: 1,
|
|
highlightLines: [5, 6, 7, 8],
|
|
});
|
|
|
|
helpers.addCallout(slide, pres, theme, {
|
|
x: 6.3, y: layouts.CONTENT_TOP, w: 3.2, h: 1.7,
|
|
kind: 'info',
|
|
title: 'Built-in middleware',
|
|
text:
|
|
'* check_message_queue\n' +
|
|
'* notify_step_limit\n' +
|
|
'* open_pr_if_needed\n' +
|
|
'* ToolErrorMiddleware',
|
|
});
|
|
|
|
helpers.addCallout(slide, pres, theme, {
|
|
x: 6.3, y: 3.0, w: 3.2, h: 1.8,
|
|
kind: 'success',
|
|
title: 'Типичные кастомы',
|
|
text:
|
|
'Approval gate перед PR, cost ' +
|
|
'guard на длину контекста, ' +
|
|
'redaction секретов в логах.',
|
|
});
|
|
|
|
helpers.addPageNumber(slide, pres, theme, 6);
|
|
helpers.addSourceLine(slide, pres, theme, {
|
|
source: 'research/per-tech/openswe.md: 117-136, 213-223',
|
|
});
|
|
return slide;
|
|
}
|
|
|
|
module.exports = { buildMiddleware };
|