[{"data":1,"prerenderedAt":2348},["ShallowReactive",2],{"navigation_docs":3,"-use-cases-ai-sdk-metadata":515,"-use-cases-ai-sdk-metadata-surround":2343},[4,30,80,123,298,430,485],{"title":5,"path":6,"stem":7,"children":8,"page":29},"Start","\u002Fstart","1.start",[9,14,19,24],{"title":10,"path":11,"stem":12,"icon":13},"Introduction","\u002Fstart\u002Fintroduction","1.start\u002F1.introduction","i-lucide-info",{"title":15,"path":16,"stem":17,"icon":18},"Why start with evlog","\u002Fstart\u002Fwhy-evlog","1.start\u002F2.why-evlog","i-lucide-rocket",{"title":20,"path":21,"stem":22,"icon":23},"Installation","\u002Fstart\u002Finstallation","1.start\u002F3.installation","i-lucide-download",{"title":25,"path":26,"stem":27,"icon":28},"Quick Start","\u002Fstart\u002Fquick-start","1.start\u002F4.quick-start","i-lucide-zap",false,{"title":31,"path":32,"stem":33,"children":34,"page":29},"Learn","\u002Flearn","2.learn",[35,40,45,50,55,60,65,70,75],{"title":36,"path":37,"stem":38,"icon":39},"Overview","\u002Flearn\u002Foverview","2.learn\u002F0.overview","i-lucide-list",{"title":41,"path":42,"stem":43,"icon":44},"Simple Logging","\u002Flearn\u002Fsimple-logging","2.learn\u002F1.simple-logging","i-lucide-terminal",{"title":46,"path":47,"stem":48,"icon":49},"Wide Events","\u002Flearn\u002Fwide-events","2.learn\u002F2.wide-events","i-lucide-layers",{"title":51,"path":52,"stem":53,"icon":54},"Structured Errors","\u002Flearn\u002Fstructured-errors","2.learn\u002F3.structured-errors","i-lucide-shield-alert",{"title":56,"path":57,"stem":58,"icon":59},"Lifecycle","\u002Flearn\u002Flifecycle","2.learn\u002F4.lifecycle","i-lucide-arrow-right-left",{"title":61,"path":62,"stem":63,"icon":64},"Sampling","\u002Flearn\u002Fsampling","2.learn\u002F5.sampling","i-lucide-filter",{"title":66,"path":67,"stem":68,"icon":69},"Auto-Redaction","\u002Flearn\u002Fredaction","2.learn\u002F6.redaction","i-lucide-eye-off",{"title":71,"path":72,"stem":73,"icon":74},"Typed Fields","\u002Flearn\u002Ftyped-fields","2.learn\u002F7.typed-fields","i-simple-icons-typescript",{"title":76,"path":77,"stem":78,"icon":79},"Catalogs","\u002Flearn\u002Fcatalogs","2.learn\u002F8.catalogs","i-lucide-book-open",{"title":81,"path":82,"stem":83,"children":84,"page":29},"CLI","\u002Fcli","3.cli",[85,88,93,98,103,108,113,118],{"title":36,"path":86,"stem":87,"icon":44},"\u002Fcli\u002Foverview","3.cli\u002F0.overview",{"title":89,"path":90,"stem":91,"icon":92},"init","\u002Fcli\u002Finit","3.cli\u002F1.init","i-lucide-wand-sparkles",{"title":94,"path":95,"stem":96,"icon":97},"map","\u002Fcli\u002Fmap","3.cli\u002F2.map","i-lucide-radar",{"title":99,"path":100,"stem":101,"icon":102},"Rules","\u002Fcli\u002Frules","3.cli\u002F3.rules","i-lucide-list-checks",{"title":104,"path":105,"stem":106,"icon":107},"Scoring","\u002Fcli\u002Fscoring","3.cli\u002F4.scoring","i-lucide-gauge",{"title":109,"path":110,"stem":111,"icon":112},"CI","\u002Fcli\u002Fci","3.cli\u002F5.ci","i-lucide-git-pull-request",{"title":114,"path":115,"stem":116,"icon":117},"doctor","\u002Fcli\u002Fdoctor","3.cli\u002F6.doctor","i-lucide-stethoscope",{"title":119,"path":120,"stem":121,"icon":122},"telemetry","\u002Fcli\u002Ftelemetry","3.cli\u002F7.telemetry","i-lucide-bar-chart-3",{"title":124,"path":125,"stem":126,"children":127,"page":29},"Integrate","\u002Fintegrate","4.integrate",[128,132,210],{"title":36,"path":129,"stem":130,"icon":131},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":133,"path":134,"stem":135,"children":136,"page":29},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[137,140,180,190],{"title":36,"path":138,"stem":139,"icon":39},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":141,"path":142,"stem":143,"children":144,"page":29},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[145,150,155,160,165,170,175],{"title":146,"path":147,"stem":148,"icon":149},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":151,"path":152,"stem":153,"icon":154},"OTLP","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fotlp","4.integrate\u002Fadapters\u002Fcloud\u002F02.otlp","i-simple-icons-opentelemetry",{"title":156,"path":157,"stem":158,"icon":159},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F03.posthog","i-simple-icons-posthog",{"title":161,"path":162,"stem":163,"icon":164},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F04.sentry","i-simple-icons-sentry",{"title":166,"path":167,"stem":168,"icon":169},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F05.better-stack","i-simple-icons-betterstack",{"title":171,"path":172,"stem":173,"icon":174},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F06.datadog","i-simple-icons-datadog",{"title":176,"path":177,"stem":178,"icon":179},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fhyperdx","4.integrate\u002Fadapters\u002Fcloud\u002F07.hyperdx","i-custom-hyperdx",{"title":181,"path":182,"stem":183,"children":184,"page":29},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[185],{"title":186,"path":187,"stem":188,"icon":189},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":191,"path":192,"stem":193,"children":194,"page":29},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[195,200,205],{"title":196,"path":197,"stem":198,"icon":199},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":201,"path":202,"stem":203,"icon":204},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":206,"path":207,"stem":208,"icon":209},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":211,"path":212,"stem":213,"children":214,"page":29},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[215,219,224,229,234,239,244,249,254,259,264,269,274,279,283,288,293],{"title":36,"path":216,"stem":217,"icon":218},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":220,"path":221,"stem":222,"icon":223},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":225,"path":226,"stem":227,"icon":228},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":230,"path":231,"stem":232,"icon":233},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":235,"path":236,"stem":237,"icon":238},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":240,"path":241,"stem":242,"icon":243},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":245,"path":246,"stem":247,"icon":248},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":250,"path":251,"stem":252,"icon":253},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":255,"path":256,"stem":257,"icon":258},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":260,"path":261,"stem":262,"icon":263},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":265,"path":266,"stem":267,"icon":268},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":270,"path":271,"stem":272,"icon":273},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":275,"path":276,"stem":277,"icon":278},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":280,"path":281,"stem":282,"icon":74},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":284,"path":285,"stem":286,"icon":287},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":289,"path":290,"stem":291,"icon":292},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":294,"path":295,"stem":296,"icon":297},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":299,"path":300,"stem":301,"children":302,"page":29},"Use Cases","\u002Fuse-cases","5.use-cases",[303,306,311,340,367,399,420,425],{"title":36,"path":304,"stem":305,"icon":102},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":307,"path":308,"stem":309,"icon":310},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":312,"icon":313,"path":314,"stem":315,"children":316,"page":29},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[317,320,325,330,335],{"title":36,"path":318,"stem":319,"icon":39},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":321,"path":322,"stem":323,"icon":324},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":326,"path":327,"stem":328,"icon":329},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":331,"path":332,"stem":333,"icon":334},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":336,"path":337,"stem":338,"icon":339},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry","i-lucide-activity",{"title":341,"icon":342,"path":343,"stem":344,"children":345,"page":29},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[346,349,354,359,363],{"title":36,"path":347,"stem":348,"icon":39},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":350,"path":351,"stem":352,"icon":353},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":355,"path":356,"stem":357,"icon":358},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":360,"path":361,"stem":362,"icon":310},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":364,"path":365,"stem":366,"icon":107},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":368,"icon":369,"path":370,"stem":371,"children":372,"page":29},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[373,376,381,386,391,395],{"title":36,"path":374,"stem":375,"icon":39},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":377,"path":378,"stem":379,"icon":380},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":382,"path":383,"stem":384,"icon":385},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":387,"path":388,"stem":389,"icon":390},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":392,"path":393,"stem":394,"icon":369},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":396,"path":397,"stem":398,"icon":79},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":336,"icon":107,"path":400,"stem":401,"children":402,"page":29},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[403,406,411,416],{"title":36,"path":404,"stem":405,"icon":39},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":407,"path":408,"stem":409,"icon":410},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":412,"path":413,"stem":414,"icon":415},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":417,"path":418,"stem":419,"icon":79},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":421,"path":422,"stem":423,"icon":424},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":426,"path":427,"stem":428,"icon":429},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":431,"path":432,"stem":433,"children":434,"page":29},"Extend","\u002Fextend","6.extend",[435,439,444,449,454,458,462,466,470,475,480],{"title":36,"path":436,"stem":437,"icon":438},"\u002Fextend\u002Foverview","6.extend\u002F0.overview","i-lucide-blocks",{"title":440,"path":441,"stem":442,"icon":443},"Stream","\u002Fextend\u002Fstream","6.extend\u002F1.stream","i-lucide-radio-tower",{"title":445,"path":446,"stem":447,"icon":448},"Custom framework","\u002Fextend\u002Fcustom-framework","6.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":450,"path":451,"stem":452,"icon":453},"FS reader","\u002Fextend\u002Ffs-reader","6.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":396,"path":455,"stem":456,"icon":457},"\u002Fextend\u002Fconsumer-recipes","6.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":459,"path":460,"stem":461,"icon":438},"Plugins","\u002Fextend\u002Fplugins","6.extend\u002F4.plugins",{"title":463,"path":464,"stem":465,"icon":424},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","6.extend\u002F5.custom-enrichers",{"title":467,"path":468,"stem":469,"icon":64},"Tail sampling","\u002Fextend\u002Ftail-sampling","6.extend\u002F6.tail-sampling",{"title":471,"path":472,"stem":473,"icon":474},"Identity headers","\u002Fextend\u002Fidentity-headers","6.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":476,"path":477,"stem":478,"icon":479},"Custom drains","\u002Fextend\u002Fcustom-drains","6.extend\u002F8.custom-drains","i-lucide-share-2",{"title":481,"path":482,"stem":483,"icon":484},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","6.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":417,"path":486,"stem":487,"children":488,"page":29},"\u002Freference","7.reference",[489,494,497,502,506,511],{"title":490,"path":491,"stem":492,"icon":493},"Configuration","\u002Freference\u002Fconfiguration","7.reference\u002F1.configuration","i-lucide-settings",{"title":364,"path":495,"stem":496,"icon":107},"\u002Freference\u002Fperformance","7.reference\u002F2.performance",{"title":498,"path":499,"stem":500,"icon":501},"Vite Plugin","\u002Freference\u002Fvite-plugin","7.reference\u002F3.vite-plugin","i-custom-vite",{"title":503,"path":504,"stem":505,"icon":369},"Best Practices","\u002Freference\u002Fbest-practices","7.reference\u002F4.best-practices",{"title":507,"path":508,"stem":509,"icon":510},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","7.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":512,"path":513,"stem":514,"icon":424},"Agent Skills","\u002Freference\u002Fagent-skills","7.reference\u002F6.agent-skills",{"id":516,"title":517,"body":518,"description":2332,"extension":2333,"links":2334,"meta":2339,"navigation":2340,"path":332,"seo":2341,"stem":333,"__hash__":2342},"docs\u002F5.use-cases\u002F2.ai-sdk\u002F04.metadata.md","Access Metadata",{"type":519,"value":520,"toc":2321},"minimark",[521,530,536,544,558,1071,1074,1081,1096,1272,1279,1282,1313,1316,1710,1713,1765,1771,1785,1923,1927,1933,2317],[522,523,524,525,529],"p",{},"The wide event already contains the full ",[526,527,528],"code",{},"ai"," metadata, but you often want the same data inside your handler — to persist it, surface it to end-users, bill against it, or stream incremental progress to the client.",[522,531,532,535],{},[526,533,534],{},"AILogger"," exposes three methods for that, with no need to touch internal state.",[537,538,540,543],"h2",{"id":539},"getmetadata-final-snapshot",[526,541,542],{},"getMetadata()"," — final snapshot",[522,545,546,547,550,551,553,554,557],{},"Returns a structured ",[526,548,549],{},"AIMetadata"," object that mirrors the ",[526,552,528],{}," field on the wide event. Safe to call at any point, including after the run completes or inside the AI SDK's ",[526,555,556],{},"onFinish",":",[559,560,566],"pre",{"className":561,"code":562,"filename":563,"language":564,"meta":565,"style":565},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\nimport { generateText } from 'ai'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n  const ai = createAILogger(log, {\n    cost: { 'claude-sonnet-4.6': { input: 3, output: 15 } },\n  })\n\n  await generateText({\n    model: ai.wrap('anthropic\u002Fclaude-sonnet-4.6'),\n    prompt: 'Summarize this document',\n  })\n\n  const metadata = ai.getMetadata()\n\n  await db.aiRuns.insert({\n    userId: event.context.userId,\n    model: metadata.model,\n    inputTokens: metadata.inputTokens,\n    outputTokens: metadata.outputTokens,\n    estimatedCost: metadata.estimatedCost,\n    finishReason: metadata.finishReason,\n    responseId: metadata.responseId,\n  })\n\n  return { ok: true }\n})\n","server\u002Fapi\u002Fchat.post.ts","typescript","",[526,567,568,601,622,642,649,685,707,729,775,783,788,801,831,848,855,860,880,885,907,930,946,963,980,997,1014,1031,1038,1043,1063],{"__ignoreMap":565},[569,570,573,577,581,585,588,591,594,598],"span",{"class":571,"line":572},"line",1,[569,574,576],{"class":575},"s7zQu","import",[569,578,580],{"class":579},"sMK4o"," {",[569,582,584],{"class":583},"sTEyZ"," useLogger",[569,586,587],{"class":579}," }",[569,589,590],{"class":575}," from",[569,592,593],{"class":579}," '",[569,595,597],{"class":596},"sfazB","evlog",[569,599,600],{"class":579},"'\n",[569,602,604,606,608,611,613,615,617,620],{"class":571,"line":603},2,[569,605,576],{"class":575},[569,607,580],{"class":579},[569,609,610],{"class":583}," createAILogger",[569,612,587],{"class":579},[569,614,590],{"class":575},[569,616,593],{"class":579},[569,618,619],{"class":596},"evlog\u002Fai",[569,621,600],{"class":579},[569,623,625,627,629,632,634,636,638,640],{"class":571,"line":624},3,[569,626,576],{"class":575},[569,628,580],{"class":579},[569,630,631],{"class":583}," generateText",[569,633,587],{"class":579},[569,635,590],{"class":575},[569,637,593],{"class":579},[569,639,528],{"class":596},[569,641,600],{"class":579},[569,643,645],{"class":571,"line":644},4,[569,646,648],{"emptyLinePlaceholder":647},true,"\n",[569,650,652,655,658,662,665,669,672,676,679,682],{"class":571,"line":651},5,[569,653,654],{"class":575},"export",[569,656,657],{"class":575}," default",[569,659,661],{"class":660},"s2Zo4"," defineEventHandler",[569,663,664],{"class":583},"(",[569,666,668],{"class":667},"spNyl","async",[569,670,671],{"class":579}," (",[569,673,675],{"class":674},"sHdIc","event",[569,677,678],{"class":579},")",[569,680,681],{"class":667}," =>",[569,683,684],{"class":579}," {\n",[569,686,688,691,694,697,699,702,704],{"class":571,"line":687},6,[569,689,690],{"class":667},"  const",[569,692,693],{"class":583}," log",[569,695,696],{"class":579}," =",[569,698,584],{"class":660},[569,700,664],{"class":701},"swJcz",[569,703,675],{"class":583},[569,705,706],{"class":701},")\n",[569,708,710,712,715,717,719,721,724,727],{"class":571,"line":709},7,[569,711,690],{"class":667},[569,713,714],{"class":583}," ai",[569,716,696],{"class":579},[569,718,610],{"class":660},[569,720,664],{"class":701},[569,722,723],{"class":583},"log",[569,725,726],{"class":579},",",[569,728,684],{"class":579},[569,730,732,735,737,739,741,744,747,749,751,754,756,760,762,765,767,770,772],{"class":571,"line":731},8,[569,733,734],{"class":701},"    cost",[569,736,557],{"class":579},[569,738,580],{"class":579},[569,740,593],{"class":579},[569,742,743],{"class":701},"claude-sonnet-4.6",[569,745,746],{"class":579},"'",[569,748,557],{"class":579},[569,750,580],{"class":579},[569,752,753],{"class":701}," input",[569,755,557],{"class":579},[569,757,759],{"class":758},"sbssI"," 3",[569,761,726],{"class":579},[569,763,764],{"class":701}," output",[569,766,557],{"class":579},[569,768,769],{"class":758}," 15",[569,771,587],{"class":579},[569,773,774],{"class":579}," },\n",[569,776,778,781],{"class":571,"line":777},9,[569,779,780],{"class":579},"  }",[569,782,706],{"class":701},[569,784,786],{"class":571,"line":785},10,[569,787,648],{"emptyLinePlaceholder":647},[569,789,791,794,796,798],{"class":571,"line":790},11,[569,792,793],{"class":575},"  await",[569,795,631],{"class":660},[569,797,664],{"class":701},[569,799,800],{"class":579},"{\n",[569,802,804,807,809,811,814,817,819,821,824,826,828],{"class":571,"line":803},12,[569,805,806],{"class":701},"    model",[569,808,557],{"class":579},[569,810,714],{"class":583},[569,812,813],{"class":579},".",[569,815,816],{"class":660},"wrap",[569,818,664],{"class":701},[569,820,746],{"class":579},[569,822,823],{"class":596},"anthropic\u002Fclaude-sonnet-4.6",[569,825,746],{"class":579},[569,827,678],{"class":701},[569,829,830],{"class":579},",\n",[569,832,834,837,839,841,844,846],{"class":571,"line":833},13,[569,835,836],{"class":701},"    prompt",[569,838,557],{"class":579},[569,840,593],{"class":579},[569,842,843],{"class":596},"Summarize this document",[569,845,746],{"class":579},[569,847,830],{"class":579},[569,849,851,853],{"class":571,"line":850},14,[569,852,780],{"class":579},[569,854,706],{"class":701},[569,856,858],{"class":571,"line":857},15,[569,859,648],{"emptyLinePlaceholder":647},[569,861,863,865,868,870,872,874,877],{"class":571,"line":862},16,[569,864,690],{"class":667},[569,866,867],{"class":583}," metadata",[569,869,696],{"class":579},[569,871,714],{"class":583},[569,873,813],{"class":579},[569,875,876],{"class":660},"getMetadata",[569,878,879],{"class":701},"()\n",[569,881,883],{"class":571,"line":882},17,[569,884,648],{"emptyLinePlaceholder":647},[569,886,888,890,893,895,898,900,903,905],{"class":571,"line":887},18,[569,889,793],{"class":575},[569,891,892],{"class":583}," db",[569,894,813],{"class":579},[569,896,897],{"class":583},"aiRuns",[569,899,813],{"class":579},[569,901,902],{"class":660},"insert",[569,904,664],{"class":701},[569,906,800],{"class":579},[569,908,910,913,915,918,920,923,925,928],{"class":571,"line":909},19,[569,911,912],{"class":701},"    userId",[569,914,557],{"class":579},[569,916,917],{"class":583}," event",[569,919,813],{"class":579},[569,921,922],{"class":583},"context",[569,924,813],{"class":579},[569,926,927],{"class":583},"userId",[569,929,830],{"class":579},[569,931,933,935,937,939,941,944],{"class":571,"line":932},20,[569,934,806],{"class":701},[569,936,557],{"class":579},[569,938,867],{"class":583},[569,940,813],{"class":579},[569,942,943],{"class":583},"model",[569,945,830],{"class":579},[569,947,949,952,954,956,958,961],{"class":571,"line":948},21,[569,950,951],{"class":701},"    inputTokens",[569,953,557],{"class":579},[569,955,867],{"class":583},[569,957,813],{"class":579},[569,959,960],{"class":583},"inputTokens",[569,962,830],{"class":579},[569,964,966,969,971,973,975,978],{"class":571,"line":965},22,[569,967,968],{"class":701},"    outputTokens",[569,970,557],{"class":579},[569,972,867],{"class":583},[569,974,813],{"class":579},[569,976,977],{"class":583},"outputTokens",[569,979,830],{"class":579},[569,981,983,986,988,990,992,995],{"class":571,"line":982},23,[569,984,985],{"class":701},"    estimatedCost",[569,987,557],{"class":579},[569,989,867],{"class":583},[569,991,813],{"class":579},[569,993,994],{"class":583},"estimatedCost",[569,996,830],{"class":579},[569,998,1000,1003,1005,1007,1009,1012],{"class":571,"line":999},24,[569,1001,1002],{"class":701},"    finishReason",[569,1004,557],{"class":579},[569,1006,867],{"class":583},[569,1008,813],{"class":579},[569,1010,1011],{"class":583},"finishReason",[569,1013,830],{"class":579},[569,1015,1017,1020,1022,1024,1026,1029],{"class":571,"line":1016},25,[569,1018,1019],{"class":701},"    responseId",[569,1021,557],{"class":579},[569,1023,867],{"class":583},[569,1025,813],{"class":579},[569,1027,1028],{"class":583},"responseId",[569,1030,830],{"class":579},[569,1032,1034,1036],{"class":571,"line":1033},26,[569,1035,780],{"class":579},[569,1037,706],{"class":701},[569,1039,1041],{"class":571,"line":1040},27,[569,1042,648],{"emptyLinePlaceholder":647},[569,1044,1046,1049,1051,1054,1056,1060],{"class":571,"line":1045},28,[569,1047,1048],{"class":575},"  return",[569,1050,580],{"class":579},[569,1052,1053],{"class":701}," ok",[569,1055,557],{"class":579},[569,1057,1059],{"class":1058},"sfNiH"," true",[569,1061,1062],{"class":579}," }\n",[569,1064,1066,1069],{"class":571,"line":1065},29,[569,1067,1068],{"class":579},"}",[569,1070,706],{"class":583},[522,1072,1073],{},"The snapshot is a fresh copy: mutating it never affects the underlying state or subsequent calls.",[537,1075,1077,1080],{"id":1076},"getestimatedcost-quick-cost-check",[526,1078,1079],{},"getEstimatedCost()"," — quick cost check",[522,1082,1083,1084,1087,1088,1091,1092,1095],{},"Convenience for ",[526,1085,1086],{},"getMetadata().estimatedCost",". Returns the cost in dollars, or ",[526,1089,1090],{},"undefined"," if no ",[526,1093,1094],{},"cost"," map was provided or the model is not in the map.",[559,1097,1099],{"className":561,"code":1098,"language":564,"meta":565,"style":565},"const ai = createAILogger(log, {\n  cost: { 'claude-sonnet-4.6': { input: 3, output: 15 } },\n})\n\nawait generateText({ model: ai.wrap('anthropic\u002Fclaude-sonnet-4.6'), prompt })\n\nconst cost = ai.getEstimatedCost()\nconsole.log(`This call cost $${cost?.toFixed(4)}`)\n",[526,1100,1101,1121,1158,1164,1168,1210,1214,1232],{"__ignoreMap":565},[569,1102,1103,1106,1109,1112,1114,1117,1119],{"class":571,"line":572},[569,1104,1105],{"class":667},"const",[569,1107,1108],{"class":583}," ai ",[569,1110,1111],{"class":579},"=",[569,1113,610],{"class":660},[569,1115,1116],{"class":583},"(log",[569,1118,726],{"class":579},[569,1120,684],{"class":579},[569,1122,1123,1126,1128,1130,1132,1134,1136,1138,1140,1142,1144,1146,1148,1150,1152,1154,1156],{"class":571,"line":603},[569,1124,1125],{"class":701},"  cost",[569,1127,557],{"class":579},[569,1129,580],{"class":579},[569,1131,593],{"class":579},[569,1133,743],{"class":701},[569,1135,746],{"class":579},[569,1137,557],{"class":579},[569,1139,580],{"class":579},[569,1141,753],{"class":701},[569,1143,557],{"class":579},[569,1145,759],{"class":758},[569,1147,726],{"class":579},[569,1149,764],{"class":701},[569,1151,557],{"class":579},[569,1153,769],{"class":758},[569,1155,587],{"class":579},[569,1157,774],{"class":579},[569,1159,1160,1162],{"class":571,"line":624},[569,1161,1068],{"class":579},[569,1163,706],{"class":583},[569,1165,1166],{"class":571,"line":644},[569,1167,648],{"emptyLinePlaceholder":647},[569,1169,1170,1173,1175,1177,1180,1183,1185,1187,1189,1191,1193,1195,1197,1199,1201,1203,1206,1208],{"class":571,"line":651},[569,1171,1172],{"class":575},"await",[569,1174,631],{"class":660},[569,1176,664],{"class":583},[569,1178,1179],{"class":579},"{",[569,1181,1182],{"class":701}," model",[569,1184,557],{"class":579},[569,1186,714],{"class":583},[569,1188,813],{"class":579},[569,1190,816],{"class":660},[569,1192,664],{"class":583},[569,1194,746],{"class":579},[569,1196,823],{"class":596},[569,1198,746],{"class":579},[569,1200,678],{"class":583},[569,1202,726],{"class":579},[569,1204,1205],{"class":583}," prompt ",[569,1207,1068],{"class":579},[569,1209,706],{"class":583},[569,1211,1212],{"class":571,"line":687},[569,1213,648],{"emptyLinePlaceholder":647},[569,1215,1216,1218,1221,1223,1225,1227,1230],{"class":571,"line":709},[569,1217,1105],{"class":667},[569,1219,1220],{"class":583}," cost ",[569,1222,1111],{"class":579},[569,1224,714],{"class":583},[569,1226,813],{"class":579},[569,1228,1229],{"class":660},"getEstimatedCost",[569,1231,879],{"class":583},[569,1233,1234,1237,1239,1241,1243,1246,1249,1252,1254,1257,1260,1262,1265,1267,1270],{"class":571,"line":731},[569,1235,1236],{"class":583},"console",[569,1238,813],{"class":579},[569,1240,723],{"class":660},[569,1242,664],{"class":583},[569,1244,1245],{"class":579},"`",[569,1247,1248],{"class":596},"This call cost $",[569,1250,1251],{"class":579},"${",[569,1253,1094],{"class":583},[569,1255,1256],{"class":579},"?.",[569,1258,1259],{"class":660},"toFixed",[569,1261,664],{"class":583},[569,1263,1264],{"class":758},"4",[569,1266,678],{"class":583},[569,1268,1269],{"class":579},"}`",[569,1271,706],{"class":583},[537,1273,1275,1278],{"id":1274},"onupdatecallback-incremental-updates",[526,1276,1277],{},"onUpdate(callback)"," — incremental updates",[522,1280,1281],{},"Subscribe to metadata updates. The callback fires every time the underlying state flushes:",[1283,1284,1285,1289,1296,1299],"ul",{},[1286,1287,1288],"li",{},"Once per step in multi-step agent runs",[1286,1290,1291,1292,1295],{},"Once per ",[526,1293,1294],{},"captureEmbed"," call",[1286,1297,1298],{},"On model errors",[1286,1300,1301,1302,1305,1306,1309,1310,1312],{},"On ",[526,1303,1304],{},"createEvlogIntegration","'s ",[526,1307,1308],{},"onEnd"," (v7) or ",[526,1311,556],{}," (v6)",[522,1314,1315],{},"Each invocation receives a fresh snapshot. Returns an unsubscribe function. Subscriber errors are isolated and never break the AI flow.",[559,1317,1320],{"className":561,"code":1318,"filename":1319,"language":564,"meta":565,"style":565},"import { ToolLoopAgent, createAgentUIStreamResponse, stepCountIs } from 'ai'\nimport { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n  const { messages } = await readBody(event)\n  const ai = createAILogger(log)\n\n  ai.onUpdate((metadata) => {\n    pushToClient(event, {\n      type: 'ai-progress',\n      step: metadata.steps,\n      tokens: metadata.totalTokens,\n      cost: metadata.estimatedCost,\n    })\n  })\n\n  const agent = new ToolLoopAgent({\n    model: ai.wrap('anthropic\u002Fclaude-sonnet-4.6'),\n    tools: { searchWeb, queryDatabase },\n    stopWhen: stepCountIs(5),\n  })\n\n  return createAgentUIStreamResponse({ agent, uiMessages: messages })\n})\n","server\u002Fapi\u002Fagent.post.ts",[526,1321,1322,1351,1369,1387,1391,1413,1429,1454,1470,1474,1497,1510,1526,1542,1558,1573,1580,1586,1590,1608,1632,1651,1669,1675,1679,1704],{"__ignoreMap":565},[569,1323,1324,1326,1328,1331,1333,1336,1338,1341,1343,1345,1347,1349],{"class":571,"line":572},[569,1325,576],{"class":575},[569,1327,580],{"class":579},[569,1329,1330],{"class":583}," ToolLoopAgent",[569,1332,726],{"class":579},[569,1334,1335],{"class":583}," createAgentUIStreamResponse",[569,1337,726],{"class":579},[569,1339,1340],{"class":583}," stepCountIs",[569,1342,587],{"class":579},[569,1344,590],{"class":575},[569,1346,593],{"class":579},[569,1348,528],{"class":596},[569,1350,600],{"class":579},[569,1352,1353,1355,1357,1359,1361,1363,1365,1367],{"class":571,"line":603},[569,1354,576],{"class":575},[569,1356,580],{"class":579},[569,1358,584],{"class":583},[569,1360,587],{"class":579},[569,1362,590],{"class":575},[569,1364,593],{"class":579},[569,1366,597],{"class":596},[569,1368,600],{"class":579},[569,1370,1371,1373,1375,1377,1379,1381,1383,1385],{"class":571,"line":624},[569,1372,576],{"class":575},[569,1374,580],{"class":579},[569,1376,610],{"class":583},[569,1378,587],{"class":579},[569,1380,590],{"class":575},[569,1382,593],{"class":579},[569,1384,619],{"class":596},[569,1386,600],{"class":579},[569,1388,1389],{"class":571,"line":644},[569,1390,648],{"emptyLinePlaceholder":647},[569,1392,1393,1395,1397,1399,1401,1403,1405,1407,1409,1411],{"class":571,"line":651},[569,1394,654],{"class":575},[569,1396,657],{"class":575},[569,1398,661],{"class":660},[569,1400,664],{"class":583},[569,1402,668],{"class":667},[569,1404,671],{"class":579},[569,1406,675],{"class":674},[569,1408,678],{"class":579},[569,1410,681],{"class":667},[569,1412,684],{"class":579},[569,1414,1415,1417,1419,1421,1423,1425,1427],{"class":571,"line":687},[569,1416,690],{"class":667},[569,1418,693],{"class":583},[569,1420,696],{"class":579},[569,1422,584],{"class":660},[569,1424,664],{"class":701},[569,1426,675],{"class":583},[569,1428,706],{"class":701},[569,1430,1431,1433,1435,1438,1440,1442,1445,1448,1450,1452],{"class":571,"line":709},[569,1432,690],{"class":667},[569,1434,580],{"class":579},[569,1436,1437],{"class":583}," messages",[569,1439,587],{"class":579},[569,1441,696],{"class":579},[569,1443,1444],{"class":575}," await",[569,1446,1447],{"class":660}," readBody",[569,1449,664],{"class":701},[569,1451,675],{"class":583},[569,1453,706],{"class":701},[569,1455,1456,1458,1460,1462,1464,1466,1468],{"class":571,"line":731},[569,1457,690],{"class":667},[569,1459,714],{"class":583},[569,1461,696],{"class":579},[569,1463,610],{"class":660},[569,1465,664],{"class":701},[569,1467,723],{"class":583},[569,1469,706],{"class":701},[569,1471,1472],{"class":571,"line":777},[569,1473,648],{"emptyLinePlaceholder":647},[569,1475,1476,1479,1481,1484,1486,1488,1491,1493,1495],{"class":571,"line":785},[569,1477,1478],{"class":583},"  ai",[569,1480,813],{"class":579},[569,1482,1483],{"class":660},"onUpdate",[569,1485,664],{"class":701},[569,1487,664],{"class":579},[569,1489,1490],{"class":674},"metadata",[569,1492,678],{"class":579},[569,1494,681],{"class":667},[569,1496,684],{"class":579},[569,1498,1499,1502,1504,1506,1508],{"class":571,"line":790},[569,1500,1501],{"class":660},"    pushToClient",[569,1503,664],{"class":701},[569,1505,675],{"class":583},[569,1507,726],{"class":579},[569,1509,684],{"class":579},[569,1511,1512,1515,1517,1519,1522,1524],{"class":571,"line":803},[569,1513,1514],{"class":701},"      type",[569,1516,557],{"class":579},[569,1518,593],{"class":579},[569,1520,1521],{"class":596},"ai-progress",[569,1523,746],{"class":579},[569,1525,830],{"class":579},[569,1527,1528,1531,1533,1535,1537,1540],{"class":571,"line":833},[569,1529,1530],{"class":701},"      step",[569,1532,557],{"class":579},[569,1534,867],{"class":583},[569,1536,813],{"class":579},[569,1538,1539],{"class":583},"steps",[569,1541,830],{"class":579},[569,1543,1544,1547,1549,1551,1553,1556],{"class":571,"line":850},[569,1545,1546],{"class":701},"      tokens",[569,1548,557],{"class":579},[569,1550,867],{"class":583},[569,1552,813],{"class":579},[569,1554,1555],{"class":583},"totalTokens",[569,1557,830],{"class":579},[569,1559,1560,1563,1565,1567,1569,1571],{"class":571,"line":857},[569,1561,1562],{"class":701},"      cost",[569,1564,557],{"class":579},[569,1566,867],{"class":583},[569,1568,813],{"class":579},[569,1570,994],{"class":583},[569,1572,830],{"class":579},[569,1574,1575,1578],{"class":571,"line":862},[569,1576,1577],{"class":579},"    }",[569,1579,706],{"class":701},[569,1581,1582,1584],{"class":571,"line":882},[569,1583,780],{"class":579},[569,1585,706],{"class":701},[569,1587,1588],{"class":571,"line":887},[569,1589,648],{"emptyLinePlaceholder":647},[569,1591,1592,1594,1597,1599,1602,1604,1606],{"class":571,"line":909},[569,1593,690],{"class":667},[569,1595,1596],{"class":583}," agent",[569,1598,696],{"class":579},[569,1600,1601],{"class":579}," new",[569,1603,1330],{"class":660},[569,1605,664],{"class":701},[569,1607,800],{"class":579},[569,1609,1610,1612,1614,1616,1618,1620,1622,1624,1626,1628,1630],{"class":571,"line":932},[569,1611,806],{"class":701},[569,1613,557],{"class":579},[569,1615,714],{"class":583},[569,1617,813],{"class":579},[569,1619,816],{"class":660},[569,1621,664],{"class":701},[569,1623,746],{"class":579},[569,1625,823],{"class":596},[569,1627,746],{"class":579},[569,1629,678],{"class":701},[569,1631,830],{"class":579},[569,1633,1634,1637,1639,1641,1644,1646,1649],{"class":571,"line":948},[569,1635,1636],{"class":701},"    tools",[569,1638,557],{"class":579},[569,1640,580],{"class":579},[569,1642,1643],{"class":583}," searchWeb",[569,1645,726],{"class":579},[569,1647,1648],{"class":583}," queryDatabase",[569,1650,774],{"class":579},[569,1652,1653,1656,1658,1660,1662,1665,1667],{"class":571,"line":965},[569,1654,1655],{"class":701},"    stopWhen",[569,1657,557],{"class":579},[569,1659,1340],{"class":660},[569,1661,664],{"class":701},[569,1663,1664],{"class":758},"5",[569,1666,678],{"class":701},[569,1668,830],{"class":579},[569,1670,1671,1673],{"class":571,"line":982},[569,1672,780],{"class":579},[569,1674,706],{"class":701},[569,1676,1677],{"class":571,"line":999},[569,1678,648],{"emptyLinePlaceholder":647},[569,1680,1681,1683,1685,1687,1689,1691,1693,1696,1698,1700,1702],{"class":571,"line":1016},[569,1682,1048],{"class":575},[569,1684,1335],{"class":660},[569,1686,664],{"class":701},[569,1688,1179],{"class":579},[569,1690,1596],{"class":583},[569,1692,726],{"class":579},[569,1694,1695],{"class":701}," uiMessages",[569,1697,557],{"class":579},[569,1699,1437],{"class":583},[569,1701,587],{"class":579},[569,1703,706],{"class":701},[569,1705,1706,1708],{"class":571,"line":1033},[569,1707,1068],{"class":579},[569,1709,706],{"class":583},[522,1711,1712],{},"For one-off cleanup:",[559,1714,1716],{"className":561,"code":1715,"language":564,"meta":565,"style":565},"const off = ai.onUpdate((metadata) => { \u002F* ... *\u002F })\n\u002F\u002F later\noff()\n",[526,1717,1718,1753,1758],{"__ignoreMap":565},[569,1719,1720,1722,1725,1727,1729,1731,1733,1735,1737,1739,1741,1743,1745,1749,1751],{"class":571,"line":572},[569,1721,1105],{"class":667},[569,1723,1724],{"class":583}," off ",[569,1726,1111],{"class":579},[569,1728,714],{"class":583},[569,1730,813],{"class":579},[569,1732,1483],{"class":660},[569,1734,664],{"class":583},[569,1736,664],{"class":579},[569,1738,1490],{"class":674},[569,1740,678],{"class":579},[569,1742,681],{"class":667},[569,1744,580],{"class":579},[569,1746,1748],{"class":1747},"sHwdD"," \u002F* ... *\u002F",[569,1750,587],{"class":579},[569,1752,706],{"class":583},[569,1754,1755],{"class":571,"line":603},[569,1756,1757],{"class":1747},"\u002F\u002F later\n",[569,1759,1760,1763],{"class":571,"line":624},[569,1761,1762],{"class":660},"off",[569,1764,879],{"class":583},[537,1766,1768,1770],{"id":1767},"aimetadata-shape",[526,1769,549],{}," shape",[522,1772,1773,1775,1776,1778,1779,1781,1782,1784],{},[526,1774,549],{}," is a public type alias for the snapshot returned by ",[526,1777,542],{}," and passed to ",[526,1780,1483],{}," listeners. It has the same shape as the ",[526,1783,528],{}," field on the wide event.",[559,1786,1788],{"className":561,"code":1787,"language":564,"meta":565,"style":565},"import type { AIMetadata, AIMetadataListener } from 'evlog\u002Fai'\n\nfunction handleProgress(metadata: AIMetadata) {\n  console.log(`${metadata.calls} calls, $${metadata.estimatedCost ?? 0}`)\n}\n\nconst listener: AIMetadataListener = handleProgress\nai.onUpdate(listener)\n",[526,1789,1790,1817,1821,1842,1887,1892,1896,1912],{"__ignoreMap":565},[569,1791,1792,1794,1797,1799,1802,1804,1807,1809,1811,1813,1815],{"class":571,"line":572},[569,1793,576],{"class":575},[569,1795,1796],{"class":575}," type",[569,1798,580],{"class":579},[569,1800,1801],{"class":583}," AIMetadata",[569,1803,726],{"class":579},[569,1805,1806],{"class":583}," AIMetadataListener",[569,1808,587],{"class":579},[569,1810,590],{"class":575},[569,1812,593],{"class":579},[569,1814,619],{"class":596},[569,1816,600],{"class":579},[569,1818,1819],{"class":571,"line":603},[569,1820,648],{"emptyLinePlaceholder":647},[569,1822,1823,1826,1829,1831,1833,1835,1838,1840],{"class":571,"line":624},[569,1824,1825],{"class":667},"function",[569,1827,1828],{"class":660}," handleProgress",[569,1830,664],{"class":579},[569,1832,1490],{"class":674},[569,1834,557],{"class":579},[569,1836,1801],{"class":1837},"sBMFI",[569,1839,678],{"class":579},[569,1841,684],{"class":579},[569,1843,1844,1847,1849,1851,1853,1856,1858,1860,1863,1865,1868,1870,1872,1874,1877,1880,1883,1885],{"class":571,"line":644},[569,1845,1846],{"class":583},"  console",[569,1848,813],{"class":579},[569,1850,723],{"class":660},[569,1852,664],{"class":701},[569,1854,1855],{"class":579},"`${",[569,1857,1490],{"class":583},[569,1859,813],{"class":579},[569,1861,1862],{"class":583},"calls",[569,1864,1068],{"class":579},[569,1866,1867],{"class":596}," calls, $",[569,1869,1251],{"class":579},[569,1871,1490],{"class":583},[569,1873,813],{"class":579},[569,1875,1876],{"class":583},"estimatedCost ",[569,1878,1879],{"class":579},"??",[569,1881,1882],{"class":758}," 0",[569,1884,1269],{"class":579},[569,1886,706],{"class":701},[569,1888,1889],{"class":571,"line":651},[569,1890,1891],{"class":579},"}\n",[569,1893,1894],{"class":571,"line":687},[569,1895,648],{"emptyLinePlaceholder":647},[569,1897,1898,1900,1903,1905,1907,1909],{"class":571,"line":709},[569,1899,1105],{"class":667},[569,1901,1902],{"class":583}," listener",[569,1904,557],{"class":579},[569,1906,1806],{"class":1837},[569,1908,696],{"class":579},[569,1910,1911],{"class":583}," handleProgress\n",[569,1913,1914,1916,1918,1920],{"class":571,"line":731},[569,1915,528],{"class":583},[569,1917,813],{"class":579},[569,1919,1483],{"class":660},[569,1921,1922],{"class":583},"(listener)\n",[537,1924,1926],{"id":1925},"captured-data-reference","Captured Data Reference",[522,1928,1929,1930,557],{},"Every field that may show up under ",[526,1931,1932],{},"ai.*",[1934,1935,1936,1952],"table",{},[1937,1938,1939],"thead",{},[1940,1941,1942,1946,1949],"tr",{},[1943,1944,1945],"th",{},"Wide event field",[1943,1947,1948],{},"Source",[1943,1950,1951],{},"Description",[1953,1954,1955,1969,1984,1997,2023,2038,2053,2068,2083,2098,2113,2134,2158,2176,2189,2202,2215,2227,2239,2252,2271,2285,2302],"tbody",{},[1940,1956,1957,1963,1966],{},[1958,1959,1960],"td",{},[526,1961,1962],{},"ai.calls",[1958,1964,1965],{},"Call count",[1958,1967,1968],{},"Number of AI calls in this request",[1940,1970,1971,1976,1981],{},[1958,1972,1973],{},[526,1974,1975],{},"ai.model",[1958,1977,1978],{},[526,1979,1980],{},"response.modelId",[1958,1982,1983],{},"Model that served the response",[1940,1985,1986,1991,1994],{},[1958,1987,1988],{},[526,1989,1990],{},"ai.models",[1958,1992,1993],{},"All model IDs",[1958,1995,1996],{},"Array of all models used (only when > 1)",[1940,1998,1999,2004,2009],{},[1958,2000,2001],{},[526,2002,2003],{},"ai.provider",[1958,2005,2006],{},[526,2007,2008],{},"model.provider",[1958,2010,2011,2012,2015,2016,2015,2019,2022],{},"Provider (",[526,2013,2014],{},"anthropic",", ",[526,2017,2018],{},"openai",[526,2020,2021],{},"google",", etc.)",[1940,2024,2025,2030,2035],{},[1958,2026,2027],{},[526,2028,2029],{},"ai.inputTokens",[1958,2031,2032],{},[526,2033,2034],{},"usage.inputTokens.total",[1958,2036,2037],{},"Total input tokens across all calls",[1940,2039,2040,2045,2050],{},[1958,2041,2042],{},[526,2043,2044],{},"ai.outputTokens",[1958,2046,2047],{},[526,2048,2049],{},"usage.outputTokens.total",[1958,2051,2052],{},"Total output tokens across all calls",[1940,2054,2055,2060,2063],{},[1958,2056,2057],{},[526,2058,2059],{},"ai.totalTokens",[1958,2061,2062],{},"Computed",[1958,2064,2065],{},[526,2066,2067],{},"inputTokens + outputTokens",[1940,2069,2070,2075,2080],{},[1958,2071,2072],{},[526,2073,2074],{},"ai.cacheReadTokens",[1958,2076,2077],{},[526,2078,2079],{},"usage.inputTokens.cacheRead",[1958,2081,2082],{},"Tokens served from prompt cache",[1940,2084,2085,2090,2095],{},[1958,2086,2087],{},[526,2088,2089],{},"ai.cacheWriteTokens",[1958,2091,2092],{},[526,2093,2094],{},"usage.inputTokens.cacheWrite",[1958,2096,2097],{},"Tokens written to prompt cache",[1940,2099,2100,2105,2110],{},[1958,2101,2102],{},[526,2103,2104],{},"ai.reasoningTokens",[1958,2106,2107],{},[526,2108,2109],{},"usage.outputTokens.reasoning",[1958,2111,2112],{},"Reasoning tokens (extended thinking)",[1940,2114,2115,2120,2125],{},[1958,2116,2117],{},[526,2118,2119],{},"ai.finishReason",[1958,2121,2122],{},[526,2123,2124],{},"finishReason.unified",[1958,2126,2127,2128,2015,2131,2022],{},"Why generation ended (",[526,2129,2130],{},"stop",[526,2132,2133],{},"tool-calls",[1940,2135,2136,2141,2144],{},[1958,2137,2138],{},[526,2139,2140],{},"ai.toolCalls",[1958,2142,2143],{},"Content \u002F stream chunks",[1958,2145,2146,2149,2150,2153,2154,2157],{},[526,2147,2148],{},"string[]"," of tool names by default, or ",[526,2151,2152],{},"Array\u003C{ name, input }>"," when ",[526,2155,2156],{},"toolInputs"," is enabled",[1940,2159,2160,2165,2170],{},[1958,2161,2162],{},[526,2163,2164],{},"ai.responseId",[1958,2166,2167],{},[526,2168,2169],{},"response.id",[1958,2171,2172,2173,678],{},"Provider-assigned response ID (e.g. Anthropic's ",[526,2174,2175],{},"msg_...",[1940,2177,2178,2183,2186],{},[1958,2179,2180],{},[526,2181,2182],{},"ai.steps",[1958,2184,2185],{},"Step count",[1958,2187,2188],{},"Number of LLM calls (only when > 1)",[1940,2190,2191,2196,2199],{},[1958,2192,2193],{},[526,2194,2195],{},"ai.stepsUsage",[1958,2197,2198],{},"Per-step accumulation",[1958,2200,2201],{},"Per-step token and tool call breakdown (only when > 1 step)",[1940,2203,2204,2209,2212],{},[1958,2205,2206],{},[526,2207,2208],{},"ai.msToFirstChunk",[1958,2210,2211],{},"Stream timing",[1958,2213,2214],{},"Time to first text chunk (streaming only)",[1940,2216,2217,2222,2224],{},[1958,2218,2219],{},[526,2220,2221],{},"ai.msToFinish",[1958,2223,2211],{},[1958,2225,2226],{},"Total stream duration (streaming only)",[1940,2228,2229,2234,2236],{},[1958,2230,2231],{},[526,2232,2233],{},"ai.tokensPerSecond",[1958,2235,2062],{},[1958,2237,2238],{},"Output tokens per second (streaming only)",[1940,2240,2241,2246,2249],{},[1958,2242,2243],{},[526,2244,2245],{},"ai.error",[1958,2247,2248],{},"Error capture",[1958,2250,2251],{},"Error message if a model call fails",[1940,2253,2254,2259,2262],{},[1958,2255,2256],{},[526,2257,2258],{},"ai.tools",[1958,2260,2261],{},"Telemetry integration",[1958,2263,2264,2265,2268,2269,678],{},"Per-tool ",[526,2266,2267],{},"{ name, durationMs, success, error? }"," (requires ",[526,2270,1304],{},[1940,2272,2273,2278,2280],{},[1958,2274,2275],{},[526,2276,2277],{},"ai.totalDurationMs",[1958,2279,2261],{},[1958,2281,2282,2283,678],{},"Total generation wall time (requires ",[526,2284,1304],{},[1940,2286,2287,2292,2296],{},[1958,2288,2289],{},[526,2290,2291],{},"ai.embedding",[1958,2293,2294],{},[526,2295,1294],{},[1958,2297,2298,2301],{},[526,2299,2300],{},"{ model?, tokens, dimensions?, count? }"," — embedding metadata",[1940,2303,2304,2309,2311],{},[1958,2305,2306],{},[526,2307,2308],{},"ai.estimatedCost",[1958,2310,2062],{},[1958,2312,2313,2314,2316],{},"Estimated cost in dollars (requires ",[526,2315,1094],{}," option)",[2318,2319,2320],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sHdIc, html code.shiki .sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}",{"title":565,"searchDepth":603,"depth":603,"links":2322},[2323,2325,2327,2329,2331],{"id":539,"depth":603,"text":2324},"getMetadata() — final snapshot",{"id":1076,"depth":603,"text":2326},"getEstimatedCost() — quick cost check",{"id":1274,"depth":603,"text":2328},"onUpdate(callback) — incremental updates",{"id":1767,"depth":603,"text":2330},"AIMetadata shape",{"id":1925,"depth":603,"text":1926},"Read AI metadata from your handler — persist it, surface it to end-users, bill against it, or stream incremental progress to the client.","md",[2335,2338],{"label":36,"icon":39,"to":318,"color":2336,"variant":2337},"neutral","subtle",{"label":326,"icon":329,"to":327,"color":2336,"variant":2337},{},{"title":331,"icon":334},{"title":517,"description":2332},"eA4wB3NbkTYy0rGCTOgL1731TdbxEn0Cf530Q5aimnk",[2344,2346],{"title":326,"path":327,"stem":328,"description":2345,"icon":329,"children":-1},"Configure tool input capture (with redaction and truncation), enable cost estimation per model, and handle errors during AI calls.",{"title":336,"path":337,"stem":338,"description":2347,"icon":339,"children":-1},"Add tool execution timing and total wall time with createEvlogIntegration. Compose with other middleware like supermemory or guardrails.",1785610605391]