[{"data":1,"prerenderedAt":1422},["ShallowReactive",2],{"navigation_docs":3,"-use-cases-audit-pipeline":534,"-use-cases-audit-pipeline-surround":1417},[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",[503,508,511,516,520,525,529],{"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",{"title":530,"path":531,"stem":532,"icon":533},"Cost","\u002Freference\u002Fcost","7.reference\u002F7.cost","i-lucide-receipt",{"id":535,"title":536,"body":537,"description":1406,"extension":1407,"links":1408,"meta":1413,"navigation":1414,"path":398,"seo":1415,"stem":399,"__hash__":1416},"docs\u002F5.use-cases\u002F4.audit\u002F04.pipeline.md","Drains & Integrity",{"type":538,"value":539,"toc":1398},"minimark",[540,557,564,573,660,663,786,804,810,830,844,981,988,1040,1046,1051,1057,1114,1131,1136,1139,1214,1218,1221,1370,1376,1379,1394],[541,542,543,544,548,549,552,553,556],"p",{},"Three building blocks: ",[545,546,547],"code",{},"auditEnricher"," fills context, ",[545,550,551],{},"auditOnly"," routes audits to a dedicated drain, and ",[545,554,555],{},"signed"," adds tamper-evident integrity. Each is opt-in and replaceable.",[558,559,561],"h2",{"id":560},"auditenricher",[545,562,563],{},"auditEnricher()",[541,565,566,568,569,572],{},[545,567,563],{}," populates ",[545,570,571],{},"event.audit.context.{requestId, traceId, ip, userAgent, tenantId}",". Skip it and ship a custom enricher if your strategy differs.",[574,575,581],"pre",{"className":576,"code":577,"filename":578,"language":579,"meta":580,"style":580},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { auditEnricher } from 'evlog'\n\nnitro.hooks.hook('evlog:enrich', auditEnricher())\n","server\u002Fplugins\u002Fevlog.ts","typescript","",[545,582,583,616,623],{"__ignoreMap":580},[584,585,588,592,596,600,603,606,609,613],"span",{"class":586,"line":587},"line",1,[584,589,591],{"class":590},"s7zQu","import",[584,593,595],{"class":594},"sMK4o"," {",[584,597,599],{"class":598},"sTEyZ"," auditEnricher",[584,601,602],{"class":594}," }",[584,604,605],{"class":590}," from",[584,607,608],{"class":594}," '",[584,610,612],{"class":611},"sfazB","evlog",[584,614,615],{"class":594},"'\n",[584,617,619],{"class":586,"line":618},2,[584,620,622],{"emptyLinePlaceholder":621},true,"\n",[584,624,626,629,632,635,637,641,644,647,650,652,655,657],{"class":586,"line":625},3,[584,627,628],{"class":598},"nitro",[584,630,631],{"class":594},".",[584,633,634],{"class":598},"hooks",[584,636,631],{"class":594},[584,638,640],{"class":639},"s2Zo4","hook",[584,642,643],{"class":598},"(",[584,645,646],{"class":594},"'",[584,648,649],{"class":611},"evlog:enrich",[584,651,646],{"class":594},[584,653,654],{"class":594},",",[584,656,599],{"class":639},[584,658,659],{"class":598},"())\n",[541,661,662],{},"For multi-tenant apps and custom session bridges, pass options:",[574,664,666],{"className":576,"code":665,"language":579,"meta":580,"style":580},"nitro.hooks.hook('evlog:enrich', auditEnricher({\n  tenantId: ctx => ctx.event.tenant as string | undefined,\n  bridge: { getSession: async ctx => readSessionActor(ctx.headers) },\n}))\n",[545,667,668,697,741,777],{"__ignoreMap":580},[584,669,670,672,674,676,678,680,682,684,686,688,690,692,694],{"class":586,"line":587},[584,671,628],{"class":598},[584,673,631],{"class":594},[584,675,634],{"class":598},[584,677,631],{"class":594},[584,679,640],{"class":639},[584,681,643],{"class":598},[584,683,646],{"class":594},[584,685,649],{"class":611},[584,687,646],{"class":594},[584,689,654],{"class":594},[584,691,599],{"class":639},[584,693,643],{"class":598},[584,695,696],{"class":594},"{\n",[584,698,699,702,705,709,713,715,717,720,722,725,728,732,735,738],{"class":586,"line":618},[584,700,701],{"class":639},"  tenantId",[584,703,704],{"class":594},":",[584,706,708],{"class":707},"sHdIc"," ctx",[584,710,712],{"class":711},"spNyl"," =>",[584,714,708],{"class":598},[584,716,631],{"class":594},[584,718,719],{"class":598},"event",[584,721,631],{"class":594},[584,723,724],{"class":598},"tenant ",[584,726,727],{"class":590},"as",[584,729,731],{"class":730},"sBMFI"," string",[584,733,734],{"class":594}," |",[584,736,737],{"class":730}," undefined",[584,739,740],{"class":594},",\n",[584,742,743,747,749,751,754,756,759,761,763,766,769,771,774],{"class":586,"line":625},[584,744,746],{"class":745},"swJcz","  bridge",[584,748,704],{"class":594},[584,750,595],{"class":594},[584,752,753],{"class":639}," getSession",[584,755,704],{"class":594},[584,757,758],{"class":711}," async",[584,760,708],{"class":707},[584,762,712],{"class":711},[584,764,765],{"class":639}," readSessionActor",[584,767,768],{"class":598},"(ctx",[584,770,631],{"class":594},[584,772,773],{"class":598},"headers) ",[584,775,776],{"class":594},"},\n",[584,778,780,783],{"class":586,"line":779},4,[584,781,782],{"class":594},"}",[584,784,785],{"class":598},"))\n",[541,787,788,789,791,792,795,796,799,800,803],{},"Without ",[545,790,547],{},", ",[545,793,794],{},"audit.context"," stays empty — auditors and incident responders need at least ",[545,797,798],{},"requestId"," and ",[545,801,802],{},"ip"," to triangulate a recorded action.",[558,805,807],{"id":806},"auditonly",[545,808,809],{},"auditOnly()",[811,812,813,817,818,821,822,825,826,829],"tip",{},[814,815,816],"strong",{},"Why filter audits to a separate sink?"," Three reasons: ",[814,819,820],{},"cost"," (audit volume is tiny next to product telemetry — keep them separate so retention costs don't explode), ",[814,823,824],{},"permissions"," (the audit dataset should be read-only for engineers and write-only for the app), and ",[814,827,828],{},"retention"," (audits often live 7+ years; product logs rarely live more than 90 days).",[541,831,832,835,836,839,840,843],{},[545,833,834],{},"auditOnly(drain)"," only forwards events with an ",[545,837,838],{},"audit"," field. Compose with ",[814,841,842],{},"any"," drain:",[574,845,847],{"className":576,"code":846,"language":579,"meta":580,"style":580},"import { auditOnly } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\n\u002F\u002F Send audits to a dedicated Axiom dataset:\nnitro.hooks.hook('evlog:drain', auditOnly(\n  createAxiomDrain({ dataset: 'audit', apiKey: process.env.AXIOM_AUDIT_API_KEY }),\n))\n",[545,848,849,868,888,892,898,927,976],{"__ignoreMap":580},[584,850,851,853,855,858,860,862,864,866],{"class":586,"line":587},[584,852,591],{"class":590},[584,854,595],{"class":594},[584,856,857],{"class":598}," auditOnly",[584,859,602],{"class":594},[584,861,605],{"class":590},[584,863,608],{"class":594},[584,865,612],{"class":611},[584,867,615],{"class":594},[584,869,870,872,874,877,879,881,883,886],{"class":586,"line":618},[584,871,591],{"class":590},[584,873,595],{"class":594},[584,875,876],{"class":598}," createAxiomDrain",[584,878,602],{"class":594},[584,880,605],{"class":590},[584,882,608],{"class":594},[584,884,885],{"class":611},"evlog\u002Faxiom",[584,887,615],{"class":594},[584,889,890],{"class":586,"line":625},[584,891,622],{"emptyLinePlaceholder":621},[584,893,894],{"class":586,"line":779},[584,895,897],{"class":896},"sHwdD","\u002F\u002F Send audits to a dedicated Axiom dataset:\n",[584,899,901,903,905,907,909,911,913,915,918,920,922,924],{"class":586,"line":900},5,[584,902,628],{"class":598},[584,904,631],{"class":594},[584,906,634],{"class":598},[584,908,631],{"class":594},[584,910,640],{"class":639},[584,912,643],{"class":598},[584,914,646],{"class":594},[584,916,917],{"class":611},"evlog:drain",[584,919,646],{"class":594},[584,921,654],{"class":594},[584,923,857],{"class":639},[584,925,926],{"class":598},"(\n",[584,928,930,933,935,938,941,943,945,947,949,951,954,956,959,961,964,966,969,971,974],{"class":586,"line":929},6,[584,931,932],{"class":639},"  createAxiomDrain",[584,934,643],{"class":598},[584,936,937],{"class":594},"{",[584,939,940],{"class":745}," dataset",[584,942,704],{"class":594},[584,944,608],{"class":594},[584,946,838],{"class":611},[584,948,646],{"class":594},[584,950,654],{"class":594},[584,952,953],{"class":745}," apiKey",[584,955,704],{"class":594},[584,957,958],{"class":598}," process",[584,960,631],{"class":594},[584,962,963],{"class":598},"env",[584,965,631],{"class":594},[584,967,968],{"class":598},"AXIOM_AUDIT_API_KEY ",[584,970,782],{"class":594},[584,972,973],{"class":598},")",[584,975,740],{"class":594},[584,977,979],{"class":586,"line":978},7,[584,980,785],{"class":598},[541,982,983,984,987],{},"Set ",[545,985,986],{},"await: true"," to make audit writes synchronous (no fire-and-forget for audits — crash-safe by default):",[574,989,991],{"className":576,"code":990,"language":579,"meta":580,"style":580},"auditOnly(createFsDrain({ dir: '.audit' }), { await: true })\n",[545,992,993],{"__ignoreMap":580},[584,994,995,997,999,1002,1004,1006,1009,1011,1013,1016,1018,1020,1022,1024,1026,1029,1031,1035,1037],{"class":586,"line":587},[584,996,551],{"class":639},[584,998,643],{"class":598},[584,1000,1001],{"class":639},"createFsDrain",[584,1003,643],{"class":598},[584,1005,937],{"class":594},[584,1007,1008],{"class":745}," dir",[584,1010,704],{"class":594},[584,1012,608],{"class":594},[584,1014,1015],{"class":611},".audit",[584,1017,646],{"class":594},[584,1019,602],{"class":594},[584,1021,973],{"class":598},[584,1023,654],{"class":594},[584,1025,595],{"class":594},[584,1027,1028],{"class":745}," await",[584,1030,704],{"class":594},[584,1032,1034],{"class":1033},"sfNiH"," true",[584,1036,602],{"class":594},[584,1038,1039],{"class":598},")\n",[541,1041,1042,1043,1045],{},"The ",[545,1044,986],{}," flag costs you a small bit of latency per request that records an audit (one synchronous drain call), but guarantees the audit hits disk before the response is sent. For compliance-grade audits, the trade-off is always worth it.",[558,1047,1048],{"id":555},[545,1049,1050],{},"signed()",[541,1052,1053,1056],{},[545,1054,1055],{},"signed(drain, opts)"," adds tamper-evident integrity. Two strategies:",[1058,1059,1060,1076],"table",{},[1061,1062,1063],"thead",{},[1064,1065,1066,1070,1073],"tr",{},[1067,1068,1069],"th",{},"Strategy",[1067,1071,1072],{},"What it adds",[1067,1074,1075],{},"Use case",[1077,1078,1079,1096],"tbody",{},[1064,1080,1081,1087,1093],{},[1082,1083,1084],"td",{},[545,1085,1086],{},"'hmac'",[1082,1088,1089,1092],{},[545,1090,1091],{},"event.audit.signature"," (HMAC of the canonical event)",[1082,1094,1095],{},"Single-event integrity check (any later mutation fails verification).",[1064,1097,1098,1103,1111],{},[1082,1099,1100],{},[545,1101,1102],{},"'hash-chain'",[1082,1104,1105,799,1108],{},[545,1106,1107],{},"event.audit.prevHash",[545,1109,1110],{},"event.audit.hash",[1082,1112,1113],{},"A verifiable chain — deletions and reordering also become detectable.",[811,1115,1116,1122,1123,1127,1128,1130],{},[814,1117,1118,1119,1121],{},"What ",[545,1120,1050],{}," actually buys you."," Detection, not prevention. Anyone with write access to the underlying sink can still nuke the file or table — but the chain proves ",[1124,1125,1126],"em",{},"which"," events were dropped or modified after the fact. Skip ",[545,1129,1050],{}," if you already write to an append-only \u002F WORM store (S3 Object Lock, Postgres with row-level immutability, BigQuery append-only tables); doubling integrity layers just adds latency without raising the bar.",[1132,1133,1135],"h3",{"id":1134},"hmac","HMAC",[541,1137,1138],{},"Each event gets a signature. Tampering with one row breaks that row's verification, but doesn't break later rows.",[574,1140,1142],{"className":576,"code":1141,"language":579,"meta":580,"style":580},"import { signed } from 'evlog'\n\nsigned(drain, { strategy: 'hmac', secret: process.env.AUDIT_SECRET! })\n",[545,1143,1144,1163,1167],{"__ignoreMap":580},[584,1145,1146,1148,1150,1153,1155,1157,1159,1161],{"class":586,"line":587},[584,1147,591],{"class":590},[584,1149,595],{"class":594},[584,1151,1152],{"class":598}," signed",[584,1154,602],{"class":594},[584,1156,605],{"class":590},[584,1158,608],{"class":594},[584,1160,612],{"class":611},[584,1162,615],{"class":594},[584,1164,1165],{"class":586,"line":618},[584,1166,622],{"emptyLinePlaceholder":621},[584,1168,1169,1171,1174,1176,1178,1181,1183,1185,1187,1189,1191,1194,1196,1198,1200,1202,1204,1207,1210,1212],{"class":586,"line":625},[584,1170,555],{"class":639},[584,1172,1173],{"class":598},"(drain",[584,1175,654],{"class":594},[584,1177,595],{"class":594},[584,1179,1180],{"class":745}," strategy",[584,1182,704],{"class":594},[584,1184,608],{"class":594},[584,1186,1134],{"class":611},[584,1188,646],{"class":594},[584,1190,654],{"class":594},[584,1192,1193],{"class":745}," secret",[584,1195,704],{"class":594},[584,1197,958],{"class":598},[584,1199,631],{"class":594},[584,1201,963],{"class":598},[584,1203,631],{"class":594},[584,1205,1206],{"class":598},"AUDIT_SECRET",[584,1208,1209],{"class":594},"!",[584,1211,602],{"class":594},[584,1213,1039],{"class":598},[1132,1215,1217],{"id":1216},"hash-chain","Hash-chain",[541,1219,1220],{},"Each event references the previous event's hash. Deleting any row breaks the chain forward of that point, so the verifier can pinpoint the exact row that was tampered with.",[574,1222,1224],{"className":576,"code":1223,"language":579,"meta":580,"style":580},"signed(drain, {\n  strategy: 'hash-chain',\n  state: {\n    load: () => fs.readFile('.audit\u002Fhead', 'utf8').catch(() => null),\n    save: (h) => fs.writeFile('.audit\u002Fhead', h),\n  },\n})\n",[545,1225,1226,1237,1252,1261,1320,1359,1364],{"__ignoreMap":580},[584,1227,1228,1230,1232,1234],{"class":586,"line":587},[584,1229,555],{"class":639},[584,1231,1173],{"class":598},[584,1233,654],{"class":594},[584,1235,1236],{"class":594}," {\n",[584,1238,1239,1242,1244,1246,1248,1250],{"class":586,"line":618},[584,1240,1241],{"class":745},"  strategy",[584,1243,704],{"class":594},[584,1245,608],{"class":594},[584,1247,1216],{"class":611},[584,1249,646],{"class":594},[584,1251,740],{"class":594},[584,1253,1254,1257,1259],{"class":586,"line":625},[584,1255,1256],{"class":745},"  state",[584,1258,704],{"class":594},[584,1260,1236],{"class":594},[584,1262,1263,1266,1268,1271,1273,1276,1278,1281,1283,1285,1288,1290,1292,1294,1297,1299,1301,1303,1306,1308,1311,1313,1316,1318],{"class":586,"line":779},[584,1264,1265],{"class":639},"    load",[584,1267,704],{"class":594},[584,1269,1270],{"class":594}," ()",[584,1272,712],{"class":711},[584,1274,1275],{"class":598}," fs",[584,1277,631],{"class":594},[584,1279,1280],{"class":639},"readFile",[584,1282,643],{"class":598},[584,1284,646],{"class":594},[584,1286,1287],{"class":611},".audit\u002Fhead",[584,1289,646],{"class":594},[584,1291,654],{"class":594},[584,1293,608],{"class":594},[584,1295,1296],{"class":611},"utf8",[584,1298,646],{"class":594},[584,1300,973],{"class":598},[584,1302,631],{"class":594},[584,1304,1305],{"class":639},"catch",[584,1307,643],{"class":598},[584,1309,1310],{"class":594},"()",[584,1312,712],{"class":711},[584,1314,1315],{"class":594}," null",[584,1317,973],{"class":598},[584,1319,740],{"class":594},[584,1321,1322,1325,1327,1330,1333,1335,1337,1339,1341,1344,1346,1348,1350,1352,1354,1357],{"class":586,"line":900},[584,1323,1324],{"class":639},"    save",[584,1326,704],{"class":594},[584,1328,1329],{"class":594}," (",[584,1331,1332],{"class":707},"h",[584,1334,973],{"class":594},[584,1336,712],{"class":711},[584,1338,1275],{"class":598},[584,1340,631],{"class":594},[584,1342,1343],{"class":639},"writeFile",[584,1345,643],{"class":598},[584,1347,646],{"class":594},[584,1349,1287],{"class":611},[584,1351,646],{"class":594},[584,1353,654],{"class":594},[584,1355,1356],{"class":598}," h)",[584,1358,740],{"class":594},[584,1360,1361],{"class":586,"line":929},[584,1362,1363],{"class":594},"  },\n",[584,1365,1366,1368],{"class":586,"line":978},[584,1367,782],{"class":594},[584,1369,1039],{"class":598},[541,1371,1042,1372,1375],{},[545,1373,1374],{},"state"," config is required for cross-process or durable chains: load the previous head hash from your own store (Redis, Postgres, file) before each event, save the new head after.",[1377,1378],"hash-chain-tamper",{},[1380,1381,1382,1383,1386,1387,1390,1391,631],"note",{},"A CLI to walk and verify the chain (",[545,1384,1385],{},"evlog audit verify",") is on the roadmap. Until then, validate by recomputing the hashes of stored events and comparing each ",[545,1388,1389],{},"prevHash"," against the previous event's ",[545,1392,1393],{},"hash",[1395,1396,1397],"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 .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 .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 .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}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 .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}",{"title":580,"searchDepth":618,"depth":618,"links":1399},[1400,1401,1402],{"id":560,"depth":618,"text":563},{"id":806,"depth":618,"text":809},{"id":555,"depth":618,"text":1050,"children":1403},[1404,1405],{"id":1134,"depth":625,"text":1135},{"id":1216,"depth":625,"text":1217},"auditEnricher to auto-fill request context, auditOnly to route audits to a dedicated sink, and signed for tamper-evident HMAC or hash-chain integrity.","md",[1409,1412],{"label":392,"icon":395,"to":393,"color":1410,"variant":1411},"neutral","subtle",{"label":402,"icon":379,"to":403,"color":1410,"variant":1411},{},{"title":397,"icon":400},{"title":536,"description":1406},"3WNlOjtJ5lfdHjYt6yZU7XwwlUIN95fS3mx0giockts",[1418,1420],{"title":392,"path":393,"stem":394,"description":1419,"icon":395,"children":-1},"log.audit, log.audit.deny, standalone audit(), withAudit auto-instrumentation, defineAuditAction and defineAuditCatalog registries, and auditDiff change patches.",{"title":402,"path":403,"stem":404,"description":1421,"icon":379,"children":-1},"Integrity, redact presets, GDPR vs append-only, retention windows, and the most common pitfalls when shipping audit logs to production.",1786743657378]