[{"data":1,"prerenderedAt":1269},["ShallowReactive",2],{"navigation_docs":3,"-use-cases-ai-sdk-options":515,"-use-cases-ai-sdk-options-surround":1264},[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":326,"body":517,"description":1252,"extension":1253,"links":1254,"meta":1260,"navigation":1261,"path":327,"seo":1262,"stem":328,"__hash__":1263},"docs\u002F5.use-cases\u002F2.ai-sdk\u002F03.options.md",{"type":518,"value":519,"toc":1243},"minimark",[520,528,598,603,617,629,634,690,694,736,740,891,941,954,958,968,1074,1084,1091,1095,1098,1232,1239],[521,522,523,527],"p",{},[524,525,526],"code",{},"createAILogger(log, options?)"," accepts a single options bag. Every option is opt-in — defaults stay safe and quiet.",[529,530,531,550],"table",{},[532,533,534],"thead",{},[535,536,537,541,544,547],"tr",{},[538,539,540],"th",{},"Option",[538,542,543],{},"Type",[538,545,546],{},"Default",[538,548,549],{},"Description",[551,552,553,574],"tbody",{},[535,554,555,561,566,571],{},[556,557,558],"td",{},[524,559,560],{},"toolInputs",[556,562,563],{},[524,564,565],{},"boolean | ToolInputsOptions",[556,567,568],{},[524,569,570],{},"false",[556,572,573],{},"Capture tool call inputs alongside their names (off by default to avoid leaking sensitive data).",[535,575,576,581,586,591],{},[556,577,578],{},[524,579,580],{},"cost",[556,582,583],{},[524,584,585],{},"Record\u003Cstring, ModelCost>",[556,587,588],{},[524,589,590],{},"undefined",[556,592,593,594,597],{},"Pricing map. Keys are model IDs, values are ",[524,595,596],{},"{ input, output }"," in dollars per 1M tokens.",[599,600,602],"h2",{"id":601},"tool-inputs","Tool Inputs",[521,604,605,606,609,610,613,614,616],{},"By default, ",[524,607,608],{},"ai.toolCalls"," is a ",[524,611,612],{},"string[]"," of tool names. Enable ",[524,615,560],{}," to capture inputs too — useful for debugging agent behaviour or auditing what data the model reached for.",[618,619,620,621,624,625,628],"warning",{},"Tool inputs can be large and may contain sensitive data (SQL, API keys, customer PII). Use ",[524,622,623],{},"maxLength"," and ",[524,626,627],{},"transform"," rather than enabling raw capture in production.",[630,631,633],"h3",{"id":632},"capture-everything","Capture everything",[635,636,641],"pre",{"className":637,"code":638,"language":639,"meta":640,"style":640},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","const ai = createAILogger(log, { toolInputs: true })\n","typescript","",[524,642,643],{"__ignoreMap":640},[644,645,648,652,656,660,664,667,670,673,677,680,684,687],"span",{"class":646,"line":647},"line",1,[644,649,651],{"class":650},"spNyl","const",[644,653,655],{"class":654},"sTEyZ"," ai ",[644,657,659],{"class":658},"sMK4o","=",[644,661,663],{"class":662},"s2Zo4"," createAILogger",[644,665,666],{"class":654},"(log",[644,668,669],{"class":658},",",[644,671,672],{"class":658}," {",[644,674,676],{"class":675},"swJcz"," toolInputs",[644,678,679],{"class":658},":",[644,681,683],{"class":682},"sfNiH"," true",[644,685,686],{"class":658}," }",[644,688,689],{"class":654},")\n",[630,691,693],{"id":692},"truncate-long-inputs","Truncate long inputs",[635,695,697],{"className":637,"code":696,"language":639,"meta":640,"style":640},"const ai = createAILogger(log, { toolInputs: { maxLength: 200 } })\n",[524,698,699],{"__ignoreMap":640},[644,700,701,703,705,707,709,711,713,715,717,719,721,724,726,730,732,734],{"class":646,"line":647},[644,702,651],{"class":650},[644,704,655],{"class":654},[644,706,659],{"class":658},[644,708,663],{"class":662},[644,710,666],{"class":654},[644,712,669],{"class":658},[644,714,672],{"class":658},[644,716,676],{"class":675},[644,718,679],{"class":658},[644,720,672],{"class":658},[644,722,723],{"class":675}," maxLength",[644,725,679],{"class":658},[644,727,729],{"class":728},"sbssI"," 200",[644,731,686],{"class":658},[644,733,686],{"class":658},[644,735,689],{"class":654},[630,737,739],{"id":738},"redact-sensitive-fields","Redact sensitive fields",[635,741,743],{"className":637,"code":742,"language":639,"meta":640,"style":640},"const ai = createAILogger(log, {\n  toolInputs: {\n    maxLength: 500,\n    transform: (input, toolName) => {\n      if (toolName === 'queryDB') return { sql: '***' }\n      return input\n    },\n  },\n})\n",[524,744,745,762,772,786,814,862,871,877,883],{"__ignoreMap":640},[644,746,747,749,751,753,755,757,759],{"class":646,"line":647},[644,748,651],{"class":650},[644,750,655],{"class":654},[644,752,659],{"class":658},[644,754,663],{"class":662},[644,756,666],{"class":654},[644,758,669],{"class":658},[644,760,761],{"class":658}," {\n",[644,763,765,768,770],{"class":646,"line":764},2,[644,766,767],{"class":675},"  toolInputs",[644,769,679],{"class":658},[644,771,761],{"class":658},[644,773,775,778,780,783],{"class":646,"line":774},3,[644,776,777],{"class":675},"    maxLength",[644,779,679],{"class":658},[644,781,782],{"class":728}," 500",[644,784,785],{"class":658},",\n",[644,787,789,792,794,797,801,803,806,809,812],{"class":646,"line":788},4,[644,790,791],{"class":662},"    transform",[644,793,679],{"class":658},[644,795,796],{"class":658}," (",[644,798,800],{"class":799},"sHdIc","input",[644,802,669],{"class":658},[644,804,805],{"class":799}," toolName",[644,807,808],{"class":658},")",[644,810,811],{"class":650}," =>",[644,813,761],{"class":658},[644,815,817,821,823,826,829,832,836,839,842,845,847,850,852,854,857,859],{"class":646,"line":816},5,[644,818,820],{"class":819},"s7zQu","      if",[644,822,796],{"class":675},[644,824,825],{"class":654},"toolName",[644,827,828],{"class":658}," ===",[644,830,831],{"class":658}," '",[644,833,835],{"class":834},"sfazB","queryDB",[644,837,838],{"class":658},"'",[644,840,841],{"class":675},") ",[644,843,844],{"class":819},"return",[644,846,672],{"class":658},[644,848,849],{"class":675}," sql",[644,851,679],{"class":658},[644,853,831],{"class":658},[644,855,856],{"class":834},"***",[644,858,838],{"class":658},[644,860,861],{"class":658}," }\n",[644,863,865,868],{"class":646,"line":864},6,[644,866,867],{"class":819},"      return",[644,869,870],{"class":654}," input\n",[644,872,874],{"class":646,"line":873},7,[644,875,876],{"class":658},"    },\n",[644,878,880],{"class":646,"line":879},8,[644,881,882],{"class":658},"  },\n",[644,884,886,889],{"class":646,"line":885},9,[644,887,888],{"class":658},"}",[644,890,689],{"class":654},[529,892,893,904],{},[532,894,895],{},[535,896,897,900,902],{},[538,898,899],{},"Sub-option",[538,901,543],{},[538,903,549],{},[551,905,906,924],{},[535,907,908,912,917],{},[556,909,910],{},[524,911,623],{},[556,913,914],{},[524,915,916],{},"number",[556,918,919,920,923],{},"Truncate stringified inputs exceeding this character length (appends ",[524,921,922],{},"…",").",[535,925,926,930,935],{},[556,927,928],{},[524,929,627],{},[556,931,932],{},[524,933,934],{},"(input, toolName) => unknown",[556,936,937,938,940],{},"Custom transform applied before ",[524,939,623],{},". Use to redact fields or reshape data.",[521,942,943,944,946,947,949,950,953],{},"When ",[524,945,560],{}," is enabled, ",[524,948,608],{}," becomes an ",[524,951,952],{},"Array\u003C{ name, input }>"," instead of a plain string array.",[599,955,957],{"id":956},"cost-estimation","Cost Estimation",[521,959,960,961,963,964,967],{},"Pass a ",[524,962,580],{}," map to compute estimated dollar cost per call. The middleware multiplies token usage by the per-million rates and sets ",[524,965,966],{},"ai.estimatedCost"," on the wide event.",[635,969,971],{"className":637,"code":970,"language":639,"meta":640,"style":640},"const ai = createAILogger(log, {\n  cost: {\n    'claude-sonnet-4.6': { input: 3, output: 15 },\n    'gpt-4o': { input: 2.5, output: 10 },\n  },\n})\n",[524,972,973,989,998,1033,1064,1068],{"__ignoreMap":640},[644,974,975,977,979,981,983,985,987],{"class":646,"line":647},[644,976,651],{"class":650},[644,978,655],{"class":654},[644,980,659],{"class":658},[644,982,663],{"class":662},[644,984,666],{"class":654},[644,986,669],{"class":658},[644,988,761],{"class":658},[644,990,991,994,996],{"class":646,"line":764},[644,992,993],{"class":675},"  cost",[644,995,679],{"class":658},[644,997,761],{"class":658},[644,999,1000,1003,1006,1008,1010,1012,1015,1017,1020,1022,1025,1027,1030],{"class":646,"line":774},[644,1001,1002],{"class":658},"    '",[644,1004,1005],{"class":675},"claude-sonnet-4.6",[644,1007,838],{"class":658},[644,1009,679],{"class":658},[644,1011,672],{"class":658},[644,1013,1014],{"class":675}," input",[644,1016,679],{"class":658},[644,1018,1019],{"class":728}," 3",[644,1021,669],{"class":658},[644,1023,1024],{"class":675}," output",[644,1026,679],{"class":658},[644,1028,1029],{"class":728}," 15",[644,1031,1032],{"class":658}," },\n",[644,1034,1035,1037,1040,1042,1044,1046,1048,1050,1053,1055,1057,1059,1062],{"class":646,"line":788},[644,1036,1002],{"class":658},[644,1038,1039],{"class":675},"gpt-4o",[644,1041,838],{"class":658},[644,1043,679],{"class":658},[644,1045,672],{"class":658},[644,1047,1014],{"class":675},[644,1049,679],{"class":658},[644,1051,1052],{"class":728}," 2.5",[644,1054,669],{"class":658},[644,1056,1024],{"class":675},[644,1058,679],{"class":658},[644,1060,1061],{"class":728}," 10",[644,1063,1032],{"class":658},[644,1065,1066],{"class":646,"line":816},[644,1067,882],{"class":658},[644,1069,1070,1072],{"class":646,"line":864},[644,1071,888],{"class":658},[644,1073,689],{"class":654},[521,1075,1076,1077,1083],{},"Read the result from your handler with ",[1078,1079,1080],"a",{"href":332},[524,1081,1082],{},"ai.getEstimatedCost()"," — useful for billing dashboards or warning users before expensive calls.",[1085,1086,1087,1088,1090],"tip",{},"Keep your ",[524,1089,580],{}," map in one file alongside model selection so renaming a model in production also updates pricing. Avoid hardcoding per-route maps.",[599,1092,1094],{"id":1093},"error-handling","Error Handling",[521,1096,1097],{},"If a model call fails, the middleware captures the error into the wide event before re-throwing:",[635,1099,1104],{"className":1100,"code":1101,"filename":1102,"language":1103,"meta":640,"style":640},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"ai\": {\n    \"calls\": 1,\n    \"model\": \"claude-sonnet-4.6\",\n    \"provider\": \"anthropic\",\n    \"finishReason\": \"error\",\n    \"error\": \"API rate limit exceeded\"\n  }\n}\n","Wide Event","json",[524,1105,1106,1111,1126,1144,1164,1184,1204,1222,1227],{"__ignoreMap":640},[644,1107,1108],{"class":646,"line":647},[644,1109,1110],{"class":658},"{\n",[644,1112,1113,1116,1119,1122,1124],{"class":646,"line":764},[644,1114,1115],{"class":658},"  \"",[644,1117,1118],{"class":650},"ai",[644,1120,1121],{"class":658},"\"",[644,1123,679],{"class":658},[644,1125,761],{"class":658},[644,1127,1128,1131,1135,1137,1139,1142],{"class":646,"line":774},[644,1129,1130],{"class":658},"    \"",[644,1132,1134],{"class":1133},"sBMFI","calls",[644,1136,1121],{"class":658},[644,1138,679],{"class":658},[644,1140,1141],{"class":728}," 1",[644,1143,785],{"class":658},[644,1145,1146,1148,1151,1153,1155,1158,1160,1162],{"class":646,"line":788},[644,1147,1130],{"class":658},[644,1149,1150],{"class":1133},"model",[644,1152,1121],{"class":658},[644,1154,679],{"class":658},[644,1156,1157],{"class":658}," \"",[644,1159,1005],{"class":834},[644,1161,1121],{"class":658},[644,1163,785],{"class":658},[644,1165,1166,1168,1171,1173,1175,1177,1180,1182],{"class":646,"line":816},[644,1167,1130],{"class":658},[644,1169,1170],{"class":1133},"provider",[644,1172,1121],{"class":658},[644,1174,679],{"class":658},[644,1176,1157],{"class":658},[644,1178,1179],{"class":834},"anthropic",[644,1181,1121],{"class":658},[644,1183,785],{"class":658},[644,1185,1186,1188,1191,1193,1195,1197,1200,1202],{"class":646,"line":864},[644,1187,1130],{"class":658},[644,1189,1190],{"class":1133},"finishReason",[644,1192,1121],{"class":658},[644,1194,679],{"class":658},[644,1196,1157],{"class":658},[644,1198,1199],{"class":834},"error",[644,1201,1121],{"class":658},[644,1203,785],{"class":658},[644,1205,1206,1208,1210,1212,1214,1216,1219],{"class":646,"line":873},[644,1207,1130],{"class":658},[644,1209,1199],{"class":1133},[644,1211,1121],{"class":658},[644,1213,679],{"class":658},[644,1215,1157],{"class":658},[644,1217,1218],{"class":834},"API rate limit exceeded",[644,1220,1221],{"class":658},"\"\n",[644,1223,1224],{"class":646,"line":879},[644,1225,1226],{"class":658},"  }\n",[644,1228,1229],{"class":646,"line":885},[644,1230,1231],{"class":658},"}\n",[521,1233,1234,1235,1238],{},"Stream errors (e.g. content filter) are also captured from the stream's error chunks. Your error-handling code (",[524,1236,1237],{},"try\u002Fcatch",", route-level error handlers) keeps working as usual — the middleware only observes.",[1240,1241,1242],"style",{},"html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}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 .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}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 .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 .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}",{"title":640,"searchDepth":764,"depth":764,"links":1244},[1245,1250,1251],{"id":601,"depth":764,"text":602,"children":1246},[1247,1248,1249],{"id":632,"depth":774,"text":633},{"id":692,"depth":774,"text":693},{"id":738,"depth":774,"text":739},{"id":956,"depth":764,"text":957},{"id":1093,"depth":764,"text":1094},"Configure tool input capture (with redaction and truncation), enable cost estimation per model, and handle errors during AI calls.","md",[1255,1258],{"label":36,"icon":39,"to":318,"color":1256,"variant":1257},"neutral","subtle",{"label":1259,"icon":324,"to":322,"color":1256,"variant":1257},"Usage Patterns",{},{"title":326,"icon":329},{"title":326,"description":1252},"k7Xm9_TcThZFVYxRgR4ikKafIXVxXYfDNbM3H99Fklk",[1265,1267],{"title":321,"path":322,"stem":323,"description":1266,"icon":324,"children":-1},"streamText, generateText, multi-step agents, RAG, and multiple models — every common AI SDK pattern wired into evlog.",{"title":331,"path":332,"stem":333,"description":1268,"icon":334,"children":-1},"Read AI metadata from your handler — persist it, surface it to end-users, bill against it, or stream incremental progress to the client.",1785609683308]