Initial commit: LangChain evolution tutorial deck (132 slides)

- 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
2026-06-22 11:29:03 +03:00
parent ed5b5c91bf
commit 75601988c2
220 changed files with 13069 additions and 3 deletions
@@ -0,0 +1,68 @@
+/**
+ * slides/12-langsmith.js
+ * ----------------------------------------------------------------------------
+ * Slide 12 -- LangSmith setup + API keys + snapshot
+ * Account creation and runtime config.
+ */
+'use strict';
+
+const { helpers, layouts } = require('../../design-system');
+
+function buildLangSmithSetup(pres, theme) {
+  const slide = pres.addSlide();
+  helpers.slideBase(slide, pres, theme);
+  helpers.addHeader(slide, pres, theme, {
+    eyebrow: 'STAGE 4',
+    sectionNumber: 4,
+    title: 'LangSmith: setup',
+  });
+
+  helpers.addCodeBlock(slide, pres, theme, {
+    x: 0.5, y: layouts.CONTENT_TOP, w: 5.6, h: 3.5,
+    language: 'bash',
+    code: [
+      '# .env (НЕ коммитить)',
+      'LANGSMITH_TRACING=true',
+      'LANGSMITH_ENDPOINT=https://',
+      '    api.smith.langchain.com',
+      'LANGSMITH_API_KEY=lsv2_...',
+      'LANGSMITH_PROJECT=open-swe-prod',
+      'LANGSMITH_SNAPSHOT=true',
+      '',
+      '# для sandbox-прокси:',
+      'LANGSMITH_SANDBOX_BACKEND=true',
+    ].join('\n'),
+    filePath: '.env',
+    startLine: 1,
+  });
+
+  helpers.addCallout(slide, pres, theme, {
+    x: 6.3, y: layouts.CONTENT_TOP, w: 3.2, h: 1.5,
+    kind: 'info',
+    title: 'Зачем snapshot',
+    text:
+      'Каждый thread = checkpoint. ' +
+      'Follow-up из всех каналов ' +
+      'подхватывают состояние ' +
+      'по thread_id.',
+  });
+
+  helpers.addCallout(slide, pres, theme, {
+    x: 6.3, y: 2.85, w: 3.2, h: 2.0,
+    kind: 'success',
+    title: 'API keys',
+    text:
+      '* Personal -- smith.langchain.com\n' +
+      '* Org-level -- shared tracing\n' +
+      '* Service -- для CI / batch\n' +
+      'Rotate каждые 90 дней.',
+  });
+
+  helpers.addPageNumber(slide, pres, theme, 12);
+  helpers.addSourceLine(slide, pres, theme, {
+    source: 'docs.smith.langchain.com',
+  });
+  return slide;
+}
+
+module.exports = { buildLangSmithSetup };