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
58 lines
2.0 KiB
JavaScript
58 lines
2.0 KiB
JavaScript
// Slide 05: RunTree -- manual tracing when @traceable is not enough
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// Code slide: explicit parent/child control with RunTree.
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const ds = require('./design-system');
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function createSlide(pres, theme) {
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const slide = pres.addSlide();
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ds.helpers.slideBase(slide, pres, theme);
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ds.helpers.addHeader(slide, pres, theme, {
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eyebrow: 'STAGE 5: ECOSYSTEM',
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section: 'Tracing',
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title: 'RunTree -- ручной контроль над деревом',
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sectionNumber: 5,
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titleSize: 24,
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});
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ds.helpers.addCodeBlock(slide, pres, theme, {
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x: 0.5, y: 1.45, w: 9.0, h: 3.1,
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language: 'python',
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fontSize: 10,
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code: [
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'from langsmith.run_trees import RunTree',
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'',
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'# RunTree -- explicit handle: создается руками, передается',
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'# в код, потом post() отправляет в LangSmith. Нужно когда',
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'# @traceable не подходит (динамич. дерево, не-Python, metadata).',
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'parent = RunTree(',
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' name="agent_turn",',
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' run_type="chain",',
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' inputs={"q": "Who invented Python?"},',
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' project_name="my-agent-dev",',
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')',
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'try:',
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' answer = my_agent(question, run_tree=parent)',
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' parent.end(outputs={"answer": answer})',
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'except Exception as e:',
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' parent.end(error=str(e)) # ошибка логируется',
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' raise',
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'finally:',
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' parent.post() # flush в LangSmith',
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].join('\n'),
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});
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ds.helpers.addCallout(slide, pres, theme, {
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x: 0.5, y: 4.65, w: 9.0, h: 0.4,
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kind: 'warning',
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text: 'Не забудьте parent.post() -- иначе trace не отправится. Дочерние через parent.create_child(...).',
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});
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ds.helpers.addSourceLine(slide, pres, theme, {
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source: 'docs.smith.langchain.com Observability > Log traces > RunTree',
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});
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ds.helpers.addPageNumber(slide, pres, theme, 5);
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}
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module.exports = { createSlide };
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