[{"data":1,"prerenderedAt":2362},["ShallowReactive",2],{"navigation_docs":3,"-use-cases-ai-sdk-metadata":529,"-use-cases-ai-sdk-metadata-surround":2357},[4,30,80,128,308,440,499],{"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",[85,88,93,98,103,108,113,118,123],{"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,"icon":127},"agents","\u002Fcli\u002Fagents","3.cli\u002F8.agents","i-lucide-bot",{"title":129,"path":130,"stem":131,"children":132,"page":29},"Integrate","\u002Fintegrate","4.integrate",[133,137,220],{"title":36,"path":134,"stem":135,"icon":136},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":138,"path":139,"stem":140,"children":141,"page":29},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[142,145,175,200],{"title":36,"path":143,"stem":144,"icon":39},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":146,"path":147,"stem":148,"children":149,"page":29},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[150,155,160,165,170],{"title":151,"path":152,"stem":153,"icon":154},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":156,"path":157,"stem":158,"icon":159},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F02.posthog","i-simple-icons-posthog",{"title":161,"path":162,"stem":163,"icon":164},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F03.sentry","i-simple-icons-sentry",{"title":166,"path":167,"stem":168,"icon":169},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F04.better-stack","i-simple-icons-betterstack",{"title":171,"path":172,"stem":173,"icon":174},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F05.datadog","i-simple-icons-datadog",{"title":176,"path":177,"stem":178,"children":179,"page":29},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[180,185,190,195],{"title":181,"path":182,"stem":183,"icon":184},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":186,"path":187,"stem":188,"icon":189},"ClickHouse","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse","4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse","i-simple-icons-clickhouse",{"title":191,"path":192,"stem":193,"icon":194},"OTLP","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fotlp","4.integrate\u002Fadapters\u002Fhybrid\u002F03.otlp","i-simple-icons-opentelemetry",{"title":196,"path":197,"stem":198,"icon":199},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fhyperdx","4.integrate\u002Fadapters\u002Fhybrid\u002F04.hyperdx","i-custom-hyperdx",{"title":201,"path":202,"stem":203,"children":204,"page":29},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[205,210,215],{"title":206,"path":207,"stem":208,"icon":209},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":211,"path":212,"stem":213,"icon":214},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":216,"path":217,"stem":218,"icon":219},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":221,"path":222,"stem":223,"children":224,"page":29},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[225,229,234,239,244,249,254,259,264,269,274,279,284,289,293,298,303],{"title":36,"path":226,"stem":227,"icon":228},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":230,"path":231,"stem":232,"icon":233},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":235,"path":236,"stem":237,"icon":238},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":240,"path":241,"stem":242,"icon":243},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":245,"path":246,"stem":247,"icon":248},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":250,"path":251,"stem":252,"icon":253},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":255,"path":256,"stem":257,"icon":258},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":260,"path":261,"stem":262,"icon":263},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":265,"path":266,"stem":267,"icon":268},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":270,"path":271,"stem":272,"icon":273},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":275,"path":276,"stem":277,"icon":278},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":280,"path":281,"stem":282,"icon":283},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":285,"path":286,"stem":287,"icon":288},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":290,"path":291,"stem":292,"icon":74},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":294,"path":295,"stem":296,"icon":297},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":299,"path":300,"stem":301,"icon":302},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":304,"path":305,"stem":306,"icon":307},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":309,"path":310,"stem":311,"children":312,"page":29},"Use Cases","\u002Fuse-cases","5.use-cases",[313,316,321,350,377,409,430,435],{"title":36,"path":314,"stem":315,"icon":102},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":317,"path":318,"stem":319,"icon":320},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":322,"icon":323,"path":324,"stem":325,"children":326,"page":29},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[327,330,335,340,345],{"title":36,"path":328,"stem":329,"icon":39},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":331,"path":332,"stem":333,"icon":334},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":336,"path":337,"stem":338,"icon":339},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":341,"path":342,"stem":343,"icon":344},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":346,"path":347,"stem":348,"icon":349},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry","i-lucide-activity",{"title":351,"icon":352,"path":353,"stem":354,"children":355,"page":29},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[356,359,364,369,373],{"title":36,"path":357,"stem":358,"icon":39},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":360,"path":361,"stem":362,"icon":363},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":365,"path":366,"stem":367,"icon":368},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":370,"path":371,"stem":372,"icon":320},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":374,"path":375,"stem":376,"icon":107},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":378,"icon":379,"path":380,"stem":381,"children":382,"page":29},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[383,386,391,396,401,405],{"title":36,"path":384,"stem":385,"icon":39},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":387,"path":388,"stem":389,"icon":390},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":392,"path":393,"stem":394,"icon":395},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":397,"path":398,"stem":399,"icon":400},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":402,"path":403,"stem":404,"icon":379},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":406,"path":407,"stem":408,"icon":79},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":346,"icon":107,"path":410,"stem":411,"children":412,"page":29},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[413,416,421,426],{"title":36,"path":414,"stem":415,"icon":39},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":417,"path":418,"stem":419,"icon":420},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":422,"path":423,"stem":424,"icon":425},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":427,"path":428,"stem":429,"icon":79},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":431,"path":432,"stem":433,"icon":434},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":436,"path":437,"stem":438,"icon":439},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":441,"path":442,"stem":443,"children":444,"page":29},"Extend","\u002Fextend","6.extend",[445,449,454,459,463,468,472,476,480,484,489,494],{"title":36,"path":446,"stem":447,"icon":448},"\u002Fextend\u002Foverview","6.extend\u002F0.overview","i-lucide-blocks",{"title":450,"path":451,"stem":452,"icon":453},"Stream","\u002Fextend\u002Fstream","6.extend\u002F1.stream","i-lucide-radio-tower",{"title":455,"path":456,"stem":457,"icon":458},"Custom framework","\u002Fextend\u002Fcustom-framework","6.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":460,"path":461,"stem":462,"icon":453},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","6.extend\u002F11.diagnostics-channel",{"title":464,"path":465,"stem":466,"icon":467},"FS reader","\u002Fextend\u002Ffs-reader","6.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":406,"path":469,"stem":470,"icon":471},"\u002Fextend\u002Fconsumer-recipes","6.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":473,"path":474,"stem":475,"icon":448},"Plugins","\u002Fextend\u002Fplugins","6.extend\u002F4.plugins",{"title":477,"path":478,"stem":479,"icon":434},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","6.extend\u002F5.custom-enrichers",{"title":481,"path":482,"stem":483,"icon":64},"Tail sampling","\u002Fextend\u002Ftail-sampling","6.extend\u002F6.tail-sampling",{"title":485,"path":486,"stem":487,"icon":488},"Identity headers","\u002Fextend\u002Fidentity-headers","6.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":490,"path":491,"stem":492,"icon":493},"Custom drains","\u002Fextend\u002Fcustom-drains","6.extend\u002F8.custom-drains","i-lucide-share-2",{"title":495,"path":496,"stem":497,"icon":498},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","6.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":427,"path":500,"stem":501,"children":502,"page":29},"\u002Freference","7.reference",[503,508,511,516,520,525],{"title":504,"path":505,"stem":506,"icon":507},"Configuration","\u002Freference\u002Fconfiguration","7.reference\u002F1.configuration","i-lucide-settings",{"title":374,"path":509,"stem":510,"icon":107},"\u002Freference\u002Fperformance","7.reference\u002F2.performance",{"title":512,"path":513,"stem":514,"icon":515},"Vite Plugin","\u002Freference\u002Fvite-plugin","7.reference\u002F3.vite-plugin","i-custom-vite",{"title":517,"path":518,"stem":519,"icon":379},"Best Practices","\u002Freference\u002Fbest-practices","7.reference\u002F4.best-practices",{"title":521,"path":522,"stem":523,"icon":524},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","7.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":526,"path":527,"stem":528,"icon":434},"Agent Skills","\u002Freference\u002Fagent-skills","7.reference\u002F6.agent-skills",{"id":530,"title":531,"body":532,"description":2346,"extension":2347,"links":2348,"meta":2353,"navigation":2354,"path":342,"seo":2355,"stem":343,"__hash__":2356},"docs\u002F5.use-cases\u002F2.ai-sdk\u002F04.metadata.md","Access Metadata",{"type":533,"value":534,"toc":2335},"minimark",[535,544,550,558,572,1085,1088,1095,1110,1286,1293,1296,1327,1330,1724,1727,1779,1785,1799,1937,1941,1947,2331],[536,537,538,539,543],"p",{},"The wide event already contains the full ",[540,541,542],"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.",[536,545,546,549],{},[540,547,548],{},"AILogger"," exposes three methods for that, with no need to touch internal state.",[551,552,554,557],"h2",{"id":553},"getmetadata-final-snapshot",[540,555,556],{},"getMetadata()"," — final snapshot",[536,559,560,561,564,565,567,568,571],{},"Returns a structured ",[540,562,563],{},"AIMetadata"," object that mirrors the ",[540,566,542],{}," field on the wide event. Safe to call at any point, including after the run completes or inside the AI SDK's ",[540,569,570],{},"onFinish",":",[573,574,580],"pre",{"className":575,"code":576,"filename":577,"language":578,"meta":579,"style":579},"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","",[540,581,582,615,636,656,663,699,721,743,789,797,802,815,845,862,869,874,894,899,921,944,960,977,994,1011,1028,1045,1052,1057,1077],{"__ignoreMap":579},[583,584,587,591,595,599,602,605,608,612],"span",{"class":585,"line":586},"line",1,[583,588,590],{"class":589},"s7zQu","import",[583,592,594],{"class":593},"sMK4o"," {",[583,596,598],{"class":597},"sTEyZ"," useLogger",[583,600,601],{"class":593}," }",[583,603,604],{"class":589}," from",[583,606,607],{"class":593}," '",[583,609,611],{"class":610},"sfazB","evlog",[583,613,614],{"class":593},"'\n",[583,616,618,620,622,625,627,629,631,634],{"class":585,"line":617},2,[583,619,590],{"class":589},[583,621,594],{"class":593},[583,623,624],{"class":597}," createAILogger",[583,626,601],{"class":593},[583,628,604],{"class":589},[583,630,607],{"class":593},[583,632,633],{"class":610},"evlog\u002Fai",[583,635,614],{"class":593},[583,637,639,641,643,646,648,650,652,654],{"class":585,"line":638},3,[583,640,590],{"class":589},[583,642,594],{"class":593},[583,644,645],{"class":597}," generateText",[583,647,601],{"class":593},[583,649,604],{"class":589},[583,651,607],{"class":593},[583,653,542],{"class":610},[583,655,614],{"class":593},[583,657,659],{"class":585,"line":658},4,[583,660,662],{"emptyLinePlaceholder":661},true,"\n",[583,664,666,669,672,676,679,683,686,690,693,696],{"class":585,"line":665},5,[583,667,668],{"class":589},"export",[583,670,671],{"class":589}," default",[583,673,675],{"class":674},"s2Zo4"," defineEventHandler",[583,677,678],{"class":597},"(",[583,680,682],{"class":681},"spNyl","async",[583,684,685],{"class":593}," (",[583,687,689],{"class":688},"sHdIc","event",[583,691,692],{"class":593},")",[583,694,695],{"class":681}," =>",[583,697,698],{"class":593}," {\n",[583,700,702,705,708,711,713,716,718],{"class":585,"line":701},6,[583,703,704],{"class":681},"  const",[583,706,707],{"class":597}," log",[583,709,710],{"class":593}," =",[583,712,598],{"class":674},[583,714,678],{"class":715},"swJcz",[583,717,689],{"class":597},[583,719,720],{"class":715},")\n",[583,722,724,726,729,731,733,735,738,741],{"class":585,"line":723},7,[583,725,704],{"class":681},[583,727,728],{"class":597}," ai",[583,730,710],{"class":593},[583,732,624],{"class":674},[583,734,678],{"class":715},[583,736,737],{"class":597},"log",[583,739,740],{"class":593},",",[583,742,698],{"class":593},[583,744,746,749,751,753,755,758,761,763,765,768,770,774,776,779,781,784,786],{"class":585,"line":745},8,[583,747,748],{"class":715},"    cost",[583,750,571],{"class":593},[583,752,594],{"class":593},[583,754,607],{"class":593},[583,756,757],{"class":715},"claude-sonnet-4.6",[583,759,760],{"class":593},"'",[583,762,571],{"class":593},[583,764,594],{"class":593},[583,766,767],{"class":715}," input",[583,769,571],{"class":593},[583,771,773],{"class":772},"sbssI"," 3",[583,775,740],{"class":593},[583,777,778],{"class":715}," output",[583,780,571],{"class":593},[583,782,783],{"class":772}," 15",[583,785,601],{"class":593},[583,787,788],{"class":593}," },\n",[583,790,792,795],{"class":585,"line":791},9,[583,793,794],{"class":593},"  }",[583,796,720],{"class":715},[583,798,800],{"class":585,"line":799},10,[583,801,662],{"emptyLinePlaceholder":661},[583,803,805,808,810,812],{"class":585,"line":804},11,[583,806,807],{"class":589},"  await",[583,809,645],{"class":674},[583,811,678],{"class":715},[583,813,814],{"class":593},"{\n",[583,816,818,821,823,825,828,831,833,835,838,840,842],{"class":585,"line":817},12,[583,819,820],{"class":715},"    model",[583,822,571],{"class":593},[583,824,728],{"class":597},[583,826,827],{"class":593},".",[583,829,830],{"class":674},"wrap",[583,832,678],{"class":715},[583,834,760],{"class":593},[583,836,837],{"class":610},"anthropic\u002Fclaude-sonnet-4.6",[583,839,760],{"class":593},[583,841,692],{"class":715},[583,843,844],{"class":593},",\n",[583,846,848,851,853,855,858,860],{"class":585,"line":847},13,[583,849,850],{"class":715},"    prompt",[583,852,571],{"class":593},[583,854,607],{"class":593},[583,856,857],{"class":610},"Summarize this document",[583,859,760],{"class":593},[583,861,844],{"class":593},[583,863,865,867],{"class":585,"line":864},14,[583,866,794],{"class":593},[583,868,720],{"class":715},[583,870,872],{"class":585,"line":871},15,[583,873,662],{"emptyLinePlaceholder":661},[583,875,877,879,882,884,886,888,891],{"class":585,"line":876},16,[583,878,704],{"class":681},[583,880,881],{"class":597}," metadata",[583,883,710],{"class":593},[583,885,728],{"class":597},[583,887,827],{"class":593},[583,889,890],{"class":674},"getMetadata",[583,892,893],{"class":715},"()\n",[583,895,897],{"class":585,"line":896},17,[583,898,662],{"emptyLinePlaceholder":661},[583,900,902,904,907,909,912,914,917,919],{"class":585,"line":901},18,[583,903,807],{"class":589},[583,905,906],{"class":597}," db",[583,908,827],{"class":593},[583,910,911],{"class":597},"aiRuns",[583,913,827],{"class":593},[583,915,916],{"class":674},"insert",[583,918,678],{"class":715},[583,920,814],{"class":593},[583,922,924,927,929,932,934,937,939,942],{"class":585,"line":923},19,[583,925,926],{"class":715},"    userId",[583,928,571],{"class":593},[583,930,931],{"class":597}," event",[583,933,827],{"class":593},[583,935,936],{"class":597},"context",[583,938,827],{"class":593},[583,940,941],{"class":597},"userId",[583,943,844],{"class":593},[583,945,947,949,951,953,955,958],{"class":585,"line":946},20,[583,948,820],{"class":715},[583,950,571],{"class":593},[583,952,881],{"class":597},[583,954,827],{"class":593},[583,956,957],{"class":597},"model",[583,959,844],{"class":593},[583,961,963,966,968,970,972,975],{"class":585,"line":962},21,[583,964,965],{"class":715},"    inputTokens",[583,967,571],{"class":593},[583,969,881],{"class":597},[583,971,827],{"class":593},[583,973,974],{"class":597},"inputTokens",[583,976,844],{"class":593},[583,978,980,983,985,987,989,992],{"class":585,"line":979},22,[583,981,982],{"class":715},"    outputTokens",[583,984,571],{"class":593},[583,986,881],{"class":597},[583,988,827],{"class":593},[583,990,991],{"class":597},"outputTokens",[583,993,844],{"class":593},[583,995,997,1000,1002,1004,1006,1009],{"class":585,"line":996},23,[583,998,999],{"class":715},"    estimatedCost",[583,1001,571],{"class":593},[583,1003,881],{"class":597},[583,1005,827],{"class":593},[583,1007,1008],{"class":597},"estimatedCost",[583,1010,844],{"class":593},[583,1012,1014,1017,1019,1021,1023,1026],{"class":585,"line":1013},24,[583,1015,1016],{"class":715},"    finishReason",[583,1018,571],{"class":593},[583,1020,881],{"class":597},[583,1022,827],{"class":593},[583,1024,1025],{"class":597},"finishReason",[583,1027,844],{"class":593},[583,1029,1031,1034,1036,1038,1040,1043],{"class":585,"line":1030},25,[583,1032,1033],{"class":715},"    responseId",[583,1035,571],{"class":593},[583,1037,881],{"class":597},[583,1039,827],{"class":593},[583,1041,1042],{"class":597},"responseId",[583,1044,844],{"class":593},[583,1046,1048,1050],{"class":585,"line":1047},26,[583,1049,794],{"class":593},[583,1051,720],{"class":715},[583,1053,1055],{"class":585,"line":1054},27,[583,1056,662],{"emptyLinePlaceholder":661},[583,1058,1060,1063,1065,1068,1070,1074],{"class":585,"line":1059},28,[583,1061,1062],{"class":589},"  return",[583,1064,594],{"class":593},[583,1066,1067],{"class":715}," ok",[583,1069,571],{"class":593},[583,1071,1073],{"class":1072},"sfNiH"," true",[583,1075,1076],{"class":593}," }\n",[583,1078,1080,1083],{"class":585,"line":1079},29,[583,1081,1082],{"class":593},"}",[583,1084,720],{"class":597},[536,1086,1087],{},"The snapshot is a fresh copy: mutating it never affects the underlying state or subsequent calls.",[551,1089,1091,1094],{"id":1090},"getestimatedcost-quick-cost-check",[540,1092,1093],{},"getEstimatedCost()"," — quick cost check",[536,1096,1097,1098,1101,1102,1105,1106,1109],{},"Convenience for ",[540,1099,1100],{},"getMetadata().estimatedCost",". Returns the cost in dollars, or ",[540,1103,1104],{},"undefined"," if no ",[540,1107,1108],{},"cost"," map was provided or the model is not in the map.",[573,1111,1113],{"className":575,"code":1112,"language":578,"meta":579,"style":579},"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",[540,1114,1115,1135,1172,1178,1182,1224,1228,1246],{"__ignoreMap":579},[583,1116,1117,1120,1123,1126,1128,1131,1133],{"class":585,"line":586},[583,1118,1119],{"class":681},"const",[583,1121,1122],{"class":597}," ai ",[583,1124,1125],{"class":593},"=",[583,1127,624],{"class":674},[583,1129,1130],{"class":597},"(log",[583,1132,740],{"class":593},[583,1134,698],{"class":593},[583,1136,1137,1140,1142,1144,1146,1148,1150,1152,1154,1156,1158,1160,1162,1164,1166,1168,1170],{"class":585,"line":617},[583,1138,1139],{"class":715},"  cost",[583,1141,571],{"class":593},[583,1143,594],{"class":593},[583,1145,607],{"class":593},[583,1147,757],{"class":715},[583,1149,760],{"class":593},[583,1151,571],{"class":593},[583,1153,594],{"class":593},[583,1155,767],{"class":715},[583,1157,571],{"class":593},[583,1159,773],{"class":772},[583,1161,740],{"class":593},[583,1163,778],{"class":715},[583,1165,571],{"class":593},[583,1167,783],{"class":772},[583,1169,601],{"class":593},[583,1171,788],{"class":593},[583,1173,1174,1176],{"class":585,"line":638},[583,1175,1082],{"class":593},[583,1177,720],{"class":597},[583,1179,1180],{"class":585,"line":658},[583,1181,662],{"emptyLinePlaceholder":661},[583,1183,1184,1187,1189,1191,1194,1197,1199,1201,1203,1205,1207,1209,1211,1213,1215,1217,1220,1222],{"class":585,"line":665},[583,1185,1186],{"class":589},"await",[583,1188,645],{"class":674},[583,1190,678],{"class":597},[583,1192,1193],{"class":593},"{",[583,1195,1196],{"class":715}," model",[583,1198,571],{"class":593},[583,1200,728],{"class":597},[583,1202,827],{"class":593},[583,1204,830],{"class":674},[583,1206,678],{"class":597},[583,1208,760],{"class":593},[583,1210,837],{"class":610},[583,1212,760],{"class":593},[583,1214,692],{"class":597},[583,1216,740],{"class":593},[583,1218,1219],{"class":597}," prompt ",[583,1221,1082],{"class":593},[583,1223,720],{"class":597},[583,1225,1226],{"class":585,"line":701},[583,1227,662],{"emptyLinePlaceholder":661},[583,1229,1230,1232,1235,1237,1239,1241,1244],{"class":585,"line":723},[583,1231,1119],{"class":681},[583,1233,1234],{"class":597}," cost ",[583,1236,1125],{"class":593},[583,1238,728],{"class":597},[583,1240,827],{"class":593},[583,1242,1243],{"class":674},"getEstimatedCost",[583,1245,893],{"class":597},[583,1247,1248,1251,1253,1255,1257,1260,1263,1266,1268,1271,1274,1276,1279,1281,1284],{"class":585,"line":745},[583,1249,1250],{"class":597},"console",[583,1252,827],{"class":593},[583,1254,737],{"class":674},[583,1256,678],{"class":597},[583,1258,1259],{"class":593},"`",[583,1261,1262],{"class":610},"This call cost $",[583,1264,1265],{"class":593},"${",[583,1267,1108],{"class":597},[583,1269,1270],{"class":593},"?.",[583,1272,1273],{"class":674},"toFixed",[583,1275,678],{"class":597},[583,1277,1278],{"class":772},"4",[583,1280,692],{"class":597},[583,1282,1283],{"class":593},"}`",[583,1285,720],{"class":597},[551,1287,1289,1292],{"id":1288},"onupdatecallback-incremental-updates",[540,1290,1291],{},"onUpdate(callback)"," — incremental updates",[536,1294,1295],{},"Subscribe to metadata updates. The callback fires every time the underlying state flushes:",[1297,1298,1299,1303,1310,1313],"ul",{},[1300,1301,1302],"li",{},"Once per step in multi-step agent runs",[1300,1304,1305,1306,1309],{},"Once per ",[540,1307,1308],{},"captureEmbed"," call",[1300,1311,1312],{},"On model errors",[1300,1314,1315,1316,1319,1320,1323,1324,1326],{},"On ",[540,1317,1318],{},"createEvlogIntegration","'s ",[540,1321,1322],{},"onEnd"," (v7) or ",[540,1325,570],{}," (v6)",[536,1328,1329],{},"Each invocation receives a fresh snapshot. Returns an unsubscribe function. Subscriber errors are isolated and never break the AI flow.",[573,1331,1334],{"className":575,"code":1332,"filename":1333,"language":578,"meta":579,"style":579},"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",[540,1335,1336,1365,1383,1401,1405,1427,1443,1468,1484,1488,1511,1524,1540,1556,1572,1587,1594,1600,1604,1622,1646,1665,1683,1689,1693,1718],{"__ignoreMap":579},[583,1337,1338,1340,1342,1345,1347,1350,1352,1355,1357,1359,1361,1363],{"class":585,"line":586},[583,1339,590],{"class":589},[583,1341,594],{"class":593},[583,1343,1344],{"class":597}," ToolLoopAgent",[583,1346,740],{"class":593},[583,1348,1349],{"class":597}," createAgentUIStreamResponse",[583,1351,740],{"class":593},[583,1353,1354],{"class":597}," stepCountIs",[583,1356,601],{"class":593},[583,1358,604],{"class":589},[583,1360,607],{"class":593},[583,1362,542],{"class":610},[583,1364,614],{"class":593},[583,1366,1367,1369,1371,1373,1375,1377,1379,1381],{"class":585,"line":617},[583,1368,590],{"class":589},[583,1370,594],{"class":593},[583,1372,598],{"class":597},[583,1374,601],{"class":593},[583,1376,604],{"class":589},[583,1378,607],{"class":593},[583,1380,611],{"class":610},[583,1382,614],{"class":593},[583,1384,1385,1387,1389,1391,1393,1395,1397,1399],{"class":585,"line":638},[583,1386,590],{"class":589},[583,1388,594],{"class":593},[583,1390,624],{"class":597},[583,1392,601],{"class":593},[583,1394,604],{"class":589},[583,1396,607],{"class":593},[583,1398,633],{"class":610},[583,1400,614],{"class":593},[583,1402,1403],{"class":585,"line":658},[583,1404,662],{"emptyLinePlaceholder":661},[583,1406,1407,1409,1411,1413,1415,1417,1419,1421,1423,1425],{"class":585,"line":665},[583,1408,668],{"class":589},[583,1410,671],{"class":589},[583,1412,675],{"class":674},[583,1414,678],{"class":597},[583,1416,682],{"class":681},[583,1418,685],{"class":593},[583,1420,689],{"class":688},[583,1422,692],{"class":593},[583,1424,695],{"class":681},[583,1426,698],{"class":593},[583,1428,1429,1431,1433,1435,1437,1439,1441],{"class":585,"line":701},[583,1430,704],{"class":681},[583,1432,707],{"class":597},[583,1434,710],{"class":593},[583,1436,598],{"class":674},[583,1438,678],{"class":715},[583,1440,689],{"class":597},[583,1442,720],{"class":715},[583,1444,1445,1447,1449,1452,1454,1456,1459,1462,1464,1466],{"class":585,"line":723},[583,1446,704],{"class":681},[583,1448,594],{"class":593},[583,1450,1451],{"class":597}," messages",[583,1453,601],{"class":593},[583,1455,710],{"class":593},[583,1457,1458],{"class":589}," await",[583,1460,1461],{"class":674}," readBody",[583,1463,678],{"class":715},[583,1465,689],{"class":597},[583,1467,720],{"class":715},[583,1469,1470,1472,1474,1476,1478,1480,1482],{"class":585,"line":745},[583,1471,704],{"class":681},[583,1473,728],{"class":597},[583,1475,710],{"class":593},[583,1477,624],{"class":674},[583,1479,678],{"class":715},[583,1481,737],{"class":597},[583,1483,720],{"class":715},[583,1485,1486],{"class":585,"line":791},[583,1487,662],{"emptyLinePlaceholder":661},[583,1489,1490,1493,1495,1498,1500,1502,1505,1507,1509],{"class":585,"line":799},[583,1491,1492],{"class":597},"  ai",[583,1494,827],{"class":593},[583,1496,1497],{"class":674},"onUpdate",[583,1499,678],{"class":715},[583,1501,678],{"class":593},[583,1503,1504],{"class":688},"metadata",[583,1506,692],{"class":593},[583,1508,695],{"class":681},[583,1510,698],{"class":593},[583,1512,1513,1516,1518,1520,1522],{"class":585,"line":804},[583,1514,1515],{"class":674},"    pushToClient",[583,1517,678],{"class":715},[583,1519,689],{"class":597},[583,1521,740],{"class":593},[583,1523,698],{"class":593},[583,1525,1526,1529,1531,1533,1536,1538],{"class":585,"line":817},[583,1527,1528],{"class":715},"      type",[583,1530,571],{"class":593},[583,1532,607],{"class":593},[583,1534,1535],{"class":610},"ai-progress",[583,1537,760],{"class":593},[583,1539,844],{"class":593},[583,1541,1542,1545,1547,1549,1551,1554],{"class":585,"line":847},[583,1543,1544],{"class":715},"      step",[583,1546,571],{"class":593},[583,1548,881],{"class":597},[583,1550,827],{"class":593},[583,1552,1553],{"class":597},"steps",[583,1555,844],{"class":593},[583,1557,1558,1561,1563,1565,1567,1570],{"class":585,"line":864},[583,1559,1560],{"class":715},"      tokens",[583,1562,571],{"class":593},[583,1564,881],{"class":597},[583,1566,827],{"class":593},[583,1568,1569],{"class":597},"totalTokens",[583,1571,844],{"class":593},[583,1573,1574,1577,1579,1581,1583,1585],{"class":585,"line":871},[583,1575,1576],{"class":715},"      cost",[583,1578,571],{"class":593},[583,1580,881],{"class":597},[583,1582,827],{"class":593},[583,1584,1008],{"class":597},[583,1586,844],{"class":593},[583,1588,1589,1592],{"class":585,"line":876},[583,1590,1591],{"class":593},"    }",[583,1593,720],{"class":715},[583,1595,1596,1598],{"class":585,"line":896},[583,1597,794],{"class":593},[583,1599,720],{"class":715},[583,1601,1602],{"class":585,"line":901},[583,1603,662],{"emptyLinePlaceholder":661},[583,1605,1606,1608,1611,1613,1616,1618,1620],{"class":585,"line":923},[583,1607,704],{"class":681},[583,1609,1610],{"class":597}," agent",[583,1612,710],{"class":593},[583,1614,1615],{"class":593}," new",[583,1617,1344],{"class":674},[583,1619,678],{"class":715},[583,1621,814],{"class":593},[583,1623,1624,1626,1628,1630,1632,1634,1636,1638,1640,1642,1644],{"class":585,"line":946},[583,1625,820],{"class":715},[583,1627,571],{"class":593},[583,1629,728],{"class":597},[583,1631,827],{"class":593},[583,1633,830],{"class":674},[583,1635,678],{"class":715},[583,1637,760],{"class":593},[583,1639,837],{"class":610},[583,1641,760],{"class":593},[583,1643,692],{"class":715},[583,1645,844],{"class":593},[583,1647,1648,1651,1653,1655,1658,1660,1663],{"class":585,"line":962},[583,1649,1650],{"class":715},"    tools",[583,1652,571],{"class":593},[583,1654,594],{"class":593},[583,1656,1657],{"class":597}," searchWeb",[583,1659,740],{"class":593},[583,1661,1662],{"class":597}," queryDatabase",[583,1664,788],{"class":593},[583,1666,1667,1670,1672,1674,1676,1679,1681],{"class":585,"line":979},[583,1668,1669],{"class":715},"    stopWhen",[583,1671,571],{"class":593},[583,1673,1354],{"class":674},[583,1675,678],{"class":715},[583,1677,1678],{"class":772},"5",[583,1680,692],{"class":715},[583,1682,844],{"class":593},[583,1684,1685,1687],{"class":585,"line":996},[583,1686,794],{"class":593},[583,1688,720],{"class":715},[583,1690,1691],{"class":585,"line":1013},[583,1692,662],{"emptyLinePlaceholder":661},[583,1694,1695,1697,1699,1701,1703,1705,1707,1710,1712,1714,1716],{"class":585,"line":1030},[583,1696,1062],{"class":589},[583,1698,1349],{"class":674},[583,1700,678],{"class":715},[583,1702,1193],{"class":593},[583,1704,1610],{"class":597},[583,1706,740],{"class":593},[583,1708,1709],{"class":715}," uiMessages",[583,1711,571],{"class":593},[583,1713,1451],{"class":597},[583,1715,601],{"class":593},[583,1717,720],{"class":715},[583,1719,1720,1722],{"class":585,"line":1047},[583,1721,1082],{"class":593},[583,1723,720],{"class":597},[536,1725,1726],{},"For one-off cleanup:",[573,1728,1730],{"className":575,"code":1729,"language":578,"meta":579,"style":579},"const off = ai.onUpdate((metadata) => { \u002F* ... *\u002F })\n\u002F\u002F later\noff()\n",[540,1731,1732,1767,1772],{"__ignoreMap":579},[583,1733,1734,1736,1739,1741,1743,1745,1747,1749,1751,1753,1755,1757,1759,1763,1765],{"class":585,"line":586},[583,1735,1119],{"class":681},[583,1737,1738],{"class":597}," off ",[583,1740,1125],{"class":593},[583,1742,728],{"class":597},[583,1744,827],{"class":593},[583,1746,1497],{"class":674},[583,1748,678],{"class":597},[583,1750,678],{"class":593},[583,1752,1504],{"class":688},[583,1754,692],{"class":593},[583,1756,695],{"class":681},[583,1758,594],{"class":593},[583,1760,1762],{"class":1761},"sHwdD"," \u002F* ... *\u002F",[583,1764,601],{"class":593},[583,1766,720],{"class":597},[583,1768,1769],{"class":585,"line":617},[583,1770,1771],{"class":1761},"\u002F\u002F later\n",[583,1773,1774,1777],{"class":585,"line":638},[583,1775,1776],{"class":674},"off",[583,1778,893],{"class":597},[551,1780,1782,1784],{"id":1781},"aimetadata-shape",[540,1783,563],{}," shape",[536,1786,1787,1789,1790,1792,1793,1795,1796,1798],{},[540,1788,563],{}," is a public type alias for the snapshot returned by ",[540,1791,556],{}," and passed to ",[540,1794,1497],{}," listeners. It has the same shape as the ",[540,1797,542],{}," field on the wide event.",[573,1800,1802],{"className":575,"code":1801,"language":578,"meta":579,"style":579},"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",[540,1803,1804,1831,1835,1856,1901,1906,1910,1926],{"__ignoreMap":579},[583,1805,1806,1808,1811,1813,1816,1818,1821,1823,1825,1827,1829],{"class":585,"line":586},[583,1807,590],{"class":589},[583,1809,1810],{"class":589}," type",[583,1812,594],{"class":593},[583,1814,1815],{"class":597}," AIMetadata",[583,1817,740],{"class":593},[583,1819,1820],{"class":597}," AIMetadataListener",[583,1822,601],{"class":593},[583,1824,604],{"class":589},[583,1826,607],{"class":593},[583,1828,633],{"class":610},[583,1830,614],{"class":593},[583,1832,1833],{"class":585,"line":617},[583,1834,662],{"emptyLinePlaceholder":661},[583,1836,1837,1840,1843,1845,1847,1849,1852,1854],{"class":585,"line":638},[583,1838,1839],{"class":681},"function",[583,1841,1842],{"class":674}," handleProgress",[583,1844,678],{"class":593},[583,1846,1504],{"class":688},[583,1848,571],{"class":593},[583,1850,1815],{"class":1851},"sBMFI",[583,1853,692],{"class":593},[583,1855,698],{"class":593},[583,1857,1858,1861,1863,1865,1867,1870,1872,1874,1877,1879,1882,1884,1886,1888,1891,1894,1897,1899],{"class":585,"line":658},[583,1859,1860],{"class":597},"  console",[583,1862,827],{"class":593},[583,1864,737],{"class":674},[583,1866,678],{"class":715},[583,1868,1869],{"class":593},"`${",[583,1871,1504],{"class":597},[583,1873,827],{"class":593},[583,1875,1876],{"class":597},"calls",[583,1878,1082],{"class":593},[583,1880,1881],{"class":610}," calls, $",[583,1883,1265],{"class":593},[583,1885,1504],{"class":597},[583,1887,827],{"class":593},[583,1889,1890],{"class":597},"estimatedCost ",[583,1892,1893],{"class":593},"??",[583,1895,1896],{"class":772}," 0",[583,1898,1283],{"class":593},[583,1900,720],{"class":715},[583,1902,1903],{"class":585,"line":665},[583,1904,1905],{"class":593},"}\n",[583,1907,1908],{"class":585,"line":701},[583,1909,662],{"emptyLinePlaceholder":661},[583,1911,1912,1914,1917,1919,1921,1923],{"class":585,"line":723},[583,1913,1119],{"class":681},[583,1915,1916],{"class":597}," listener",[583,1918,571],{"class":593},[583,1920,1820],{"class":1851},[583,1922,710],{"class":593},[583,1924,1925],{"class":597}," handleProgress\n",[583,1927,1928,1930,1932,1934],{"class":585,"line":745},[583,1929,542],{"class":597},[583,1931,827],{"class":593},[583,1933,1497],{"class":674},[583,1935,1936],{"class":597},"(listener)\n",[551,1938,1940],{"id":1939},"captured-data-reference","Captured Data Reference",[536,1942,1943,1944,571],{},"Every field that may show up under ",[540,1945,1946],{},"ai.*",[1948,1949,1950,1966],"table",{},[1951,1952,1953],"thead",{},[1954,1955,1956,1960,1963],"tr",{},[1957,1958,1959],"th",{},"Wide event field",[1957,1961,1962],{},"Source",[1957,1964,1965],{},"Description",[1967,1968,1969,1983,1998,2011,2037,2052,2067,2082,2097,2112,2127,2148,2172,2190,2203,2216,2229,2241,2253,2266,2285,2299,2316],"tbody",{},[1954,1970,1971,1977,1980],{},[1972,1973,1974],"td",{},[540,1975,1976],{},"ai.calls",[1972,1978,1979],{},"Call count",[1972,1981,1982],{},"Number of AI calls in this request",[1954,1984,1985,1990,1995],{},[1972,1986,1987],{},[540,1988,1989],{},"ai.model",[1972,1991,1992],{},[540,1993,1994],{},"response.modelId",[1972,1996,1997],{},"Model that served the response",[1954,1999,2000,2005,2008],{},[1972,2001,2002],{},[540,2003,2004],{},"ai.models",[1972,2006,2007],{},"All model IDs",[1972,2009,2010],{},"Array of all models used (only when > 1)",[1954,2012,2013,2018,2023],{},[1972,2014,2015],{},[540,2016,2017],{},"ai.provider",[1972,2019,2020],{},[540,2021,2022],{},"model.provider",[1972,2024,2025,2026,2029,2030,2029,2033,2036],{},"Provider (",[540,2027,2028],{},"anthropic",", ",[540,2031,2032],{},"openai",[540,2034,2035],{},"google",", etc.)",[1954,2038,2039,2044,2049],{},[1972,2040,2041],{},[540,2042,2043],{},"ai.inputTokens",[1972,2045,2046],{},[540,2047,2048],{},"usage.inputTokens.total",[1972,2050,2051],{},"Total input tokens across all calls",[1954,2053,2054,2059,2064],{},[1972,2055,2056],{},[540,2057,2058],{},"ai.outputTokens",[1972,2060,2061],{},[540,2062,2063],{},"usage.outputTokens.total",[1972,2065,2066],{},"Total output tokens across all calls",[1954,2068,2069,2074,2077],{},[1972,2070,2071],{},[540,2072,2073],{},"ai.totalTokens",[1972,2075,2076],{},"Computed",[1972,2078,2079],{},[540,2080,2081],{},"inputTokens + outputTokens",[1954,2083,2084,2089,2094],{},[1972,2085,2086],{},[540,2087,2088],{},"ai.cacheReadTokens",[1972,2090,2091],{},[540,2092,2093],{},"usage.inputTokens.cacheRead",[1972,2095,2096],{},"Tokens served from prompt cache",[1954,2098,2099,2104,2109],{},[1972,2100,2101],{},[540,2102,2103],{},"ai.cacheWriteTokens",[1972,2105,2106],{},[540,2107,2108],{},"usage.inputTokens.cacheWrite",[1972,2110,2111],{},"Tokens written to prompt cache",[1954,2113,2114,2119,2124],{},[1972,2115,2116],{},[540,2117,2118],{},"ai.reasoningTokens",[1972,2120,2121],{},[540,2122,2123],{},"usage.outputTokens.reasoning",[1972,2125,2126],{},"Reasoning tokens (extended thinking)",[1954,2128,2129,2134,2139],{},[1972,2130,2131],{},[540,2132,2133],{},"ai.finishReason",[1972,2135,2136],{},[540,2137,2138],{},"finishReason.unified",[1972,2140,2141,2142,2029,2145,2036],{},"Why generation ended (",[540,2143,2144],{},"stop",[540,2146,2147],{},"tool-calls",[1954,2149,2150,2155,2158],{},[1972,2151,2152],{},[540,2153,2154],{},"ai.toolCalls",[1972,2156,2157],{},"Content \u002F stream chunks",[1972,2159,2160,2163,2164,2167,2168,2171],{},[540,2161,2162],{},"string[]"," of tool names by default, or ",[540,2165,2166],{},"Array\u003C{ name, input }>"," when ",[540,2169,2170],{},"toolInputs"," is enabled",[1954,2173,2174,2179,2184],{},[1972,2175,2176],{},[540,2177,2178],{},"ai.responseId",[1972,2180,2181],{},[540,2182,2183],{},"response.id",[1972,2185,2186,2187,692],{},"Provider-assigned response ID (e.g. Anthropic's ",[540,2188,2189],{},"msg_...",[1954,2191,2192,2197,2200],{},[1972,2193,2194],{},[540,2195,2196],{},"ai.steps",[1972,2198,2199],{},"Step count",[1972,2201,2202],{},"Number of LLM calls (only when > 1)",[1954,2204,2205,2210,2213],{},[1972,2206,2207],{},[540,2208,2209],{},"ai.stepsUsage",[1972,2211,2212],{},"Per-step accumulation",[1972,2214,2215],{},"Per-step token and tool call breakdown (only when > 1 step)",[1954,2217,2218,2223,2226],{},[1972,2219,2220],{},[540,2221,2222],{},"ai.msToFirstChunk",[1972,2224,2225],{},"Stream timing",[1972,2227,2228],{},"Time to first text chunk (streaming only)",[1954,2230,2231,2236,2238],{},[1972,2232,2233],{},[540,2234,2235],{},"ai.msToFinish",[1972,2237,2225],{},[1972,2239,2240],{},"Total stream duration (streaming only)",[1954,2242,2243,2248,2250],{},[1972,2244,2245],{},[540,2246,2247],{},"ai.tokensPerSecond",[1972,2249,2076],{},[1972,2251,2252],{},"Output tokens per second (streaming only)",[1954,2254,2255,2260,2263],{},[1972,2256,2257],{},[540,2258,2259],{},"ai.error",[1972,2261,2262],{},"Error capture",[1972,2264,2265],{},"Error message if a model call fails",[1954,2267,2268,2273,2276],{},[1972,2269,2270],{},[540,2271,2272],{},"ai.tools",[1972,2274,2275],{},"Telemetry integration",[1972,2277,2278,2279,2282,2283,692],{},"Per-tool ",[540,2280,2281],{},"{ name, durationMs, success, error? }"," (requires ",[540,2284,1318],{},[1954,2286,2287,2292,2294],{},[1972,2288,2289],{},[540,2290,2291],{},"ai.totalDurationMs",[1972,2293,2275],{},[1972,2295,2296,2297,692],{},"Total generation wall time (requires ",[540,2298,1318],{},[1954,2300,2301,2306,2310],{},[1972,2302,2303],{},[540,2304,2305],{},"ai.embedding",[1972,2307,2308],{},[540,2309,1308],{},[1972,2311,2312,2315],{},[540,2313,2314],{},"{ model?, tokens, dimensions?, count? }"," — embedding metadata",[1954,2317,2318,2323,2325],{},[1972,2319,2320],{},[540,2321,2322],{},"ai.estimatedCost",[1972,2324,2076],{},[1972,2326,2327,2328,2330],{},"Estimated cost in dollars (requires ",[540,2329,1108],{}," option)",[2332,2333,2334],"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":579,"searchDepth":617,"depth":617,"links":2336},[2337,2339,2341,2343,2345],{"id":553,"depth":617,"text":2338},"getMetadata() — final snapshot",{"id":1090,"depth":617,"text":2340},"getEstimatedCost() — quick cost check",{"id":1288,"depth":617,"text":2342},"onUpdate(callback) — incremental updates",{"id":1781,"depth":617,"text":2344},"AIMetadata shape",{"id":1939,"depth":617,"text":1940},"Read AI metadata from your handler — persist it, surface it to end-users, bill against it, or stream incremental progress to the client.","md",[2349,2352],{"label":36,"icon":39,"to":328,"color":2350,"variant":2351},"neutral","subtle",{"label":336,"icon":339,"to":337,"color":2350,"variant":2351},{},{"title":341,"icon":344},{"title":531,"description":2346},"eA4wB3NbkTYy0rGCTOgL1731TdbxEn0Cf530Q5aimnk",[2358,2360],{"title":336,"path":337,"stem":338,"description":2359,"icon":339,"children":-1},"Configure tool input capture (with redaction and truncation), enable cost estimation per model, and handle errors during AI calls.",{"title":346,"path":347,"stem":348,"description":2361,"icon":349,"children":-1},"Add tool execution timing and total wall time with createEvlogIntegration. Compose with other middleware like supermemory or guardrails.",1785969327162]