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For Nitro, register the individual hooks directly (",[455,550,551],{},"nitroApp.hooks.hook('evlog:enrich' | 'evlog:drain' | …)",[496,553,554,555,473,557,559,560,562],{},"Prefer single-purpose ",[455,556,472],{},[455,558,478],{}," wrappers for simple extensions; use ",[455,561,482],{}," only when several hooks are needed",[452,564,565,566],{},"Docs: ",[468,567,568],{"href":568,"rel":569},"https:\u002F\u002Fwww.evlog.dev\u002Fextend\u002Fplugins",[570],"nofollow",[572,573,575],"h2",{"id":574},"minimal-example","Minimal example",[577,578,583],"pre",{"className":579,"code":580,"language":581,"meta":582,"style":582},"language-ts shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { definePlugin } from 'evlog'\n\nexport const tenantPlugin = definePlugin({\n  name: 'tenant',\n  onRequestStart({ logger, headers }) {\n    const tenantId = headers?.['x-tenant-id']\n    if (tenantId) logger.set({ tenant: { id: tenantId } })\n  },\n  enrich({ event }) {\n    event.region = process.env.REGION\n  },\n})\n","ts","",[455,584,585,617,624,649,670,695,725,775,781,796,822,827],{"__ignoreMap":582},[586,587,590,594,598,602,605,608,611,614],"span",{"class":588,"line":589},"line",1,[586,591,593],{"class":592},"s7zQu","import",[586,595,597],{"class":596},"sMK4o"," {",[586,599,601],{"class":600},"sTEyZ"," definePlugin",[586,603,604],{"class":596}," }",[586,606,607],{"class":592}," from",[586,609,610],{"class":596}," '",[586,612,504],{"class":613},"sfazB",[586,615,616],{"class":596},"'\n",[586,618,620],{"class":588,"line":619},2,[586,621,623],{"emptyLinePlaceholder":622},true,"\n",[586,625,627,630,634,637,640,643,646],{"class":588,"line":626},3,[586,628,629],{"class":592},"export",[586,631,633],{"class":632},"spNyl"," const",[586,635,636],{"class":600}," tenantPlugin ",[586,638,639],{"class":596},"=",[586,641,601],{"class":642},"s2Zo4",[586,644,645],{"class":600},"(",[586,647,648],{"class":596},"{\n",[586,650,652,656,659,661,664,667],{"class":588,"line":651},4,[586,653,655],{"class":654},"swJcz","  name",[586,657,658],{"class":596},":",[586,660,610],{"class":596},[586,662,663],{"class":613},"tenant",[586,665,666],{"class":596},"'",[586,668,669],{"class":596},",\n",[586,671,673,676,679,683,686,689,692],{"class":588,"line":672},5,[586,674,675],{"class":654},"  onRequestStart",[586,677,678],{"class":596},"({",[586,680,682],{"class":681},"sHdIc"," logger",[586,684,685],{"class":596},",",[586,687,688],{"class":681}," headers",[586,690,691],{"class":596}," })",[586,693,694],{"class":596}," {\n",[586,696,698,701,704,707,709,712,715,717,720,722],{"class":588,"line":697},6,[586,699,700],{"class":632},"    const",[586,702,703],{"class":600}," tenantId",[586,705,706],{"class":596}," =",[586,708,688],{"class":600},[586,710,711],{"class":596},"?.",[586,713,714],{"class":654},"[",[586,716,666],{"class":596},[586,718,719],{"class":613},"x-tenant-id",[586,721,666],{"class":596},[586,723,724],{"class":654},"]\n",[586,726,728,731,734,737,740,743,746,749,751,754,757,759,761,764,766,768,770,772],{"class":588,"line":727},7,[586,729,730],{"class":592},"    if",[586,732,733],{"class":654}," (",[586,735,736],{"class":600},"tenantId",[586,738,739],{"class":654},") ",[586,741,742],{"class":600},"logger",[586,744,745],{"class":596},".",[586,747,748],{"class":642},"set",[586,750,645],{"class":654},[586,752,753],{"class":596},"{",[586,755,756],{"class":654}," tenant",[586,758,658],{"class":596},[586,760,597],{"class":596},[586,762,763],{"class":654}," id",[586,765,658],{"class":596},[586,767,703],{"class":600},[586,769,604],{"class":596},[586,771,604],{"class":596},[586,773,774],{"class":654},")\n",[586,776,778],{"class":588,"line":777},8,[586,779,780],{"class":596},"  },\n",[586,782,784,787,789,792,794],{"class":588,"line":783},9,[586,785,786],{"class":654},"  enrich",[586,788,678],{"class":596},[586,790,791],{"class":681}," event",[586,793,691],{"class":596},[586,795,694],{"class":596},[586,797,799,802,804,807,809,812,814,817,819],{"class":588,"line":798},10,[586,800,801],{"class":600},"    event",[586,803,745],{"class":596},[586,805,806],{"class":600},"region",[586,808,706],{"class":596},[586,810,811],{"class":600}," process",[586,813,745],{"class":596},[586,815,816],{"class":600},"env",[586,818,745],{"class":596},[586,820,821],{"class":600},"REGION\n",[586,823,825],{"class":588,"line":824},11,[586,826,780],{"class":596},[586,828,830,833],{"class":588,"line":829},12,[586,831,832],{"class":596},"}",[586,834,774],{"class":600},[452,836,837],{},"Register the plugin where you bootstrap evlog. The shape depends on your runtime:",[839,840,841,911,989],"code-group",{},[577,842,845],{"className":579,"code":843,"filename":844,"language":581,"meta":582,"style":582},"import { initLogger } from 'evlog'\nimport { tenantPlugin } from '.\u002Fplugins\u002Ftenant'\n\ninitLogger({ plugins: [tenantPlugin] })\n","Next.js \u002F standalone",[455,846,847,866,886,890],{"__ignoreMap":582},[586,848,849,851,853,856,858,860,862,864],{"class":588,"line":589},[586,850,593],{"class":592},[586,852,597],{"class":596},[586,854,855],{"class":600}," initLogger",[586,857,604],{"class":596},[586,859,607],{"class":592},[586,861,610],{"class":596},[586,863,504],{"class":613},[586,865,616],{"class":596},[586,867,868,870,872,875,877,879,881,884],{"class":588,"line":619},[586,869,593],{"class":592},[586,871,597],{"class":596},[586,873,874],{"class":600}," tenantPlugin",[586,876,604],{"class":596},[586,878,607],{"class":592},[586,880,610],{"class":596},[586,882,883],{"class":613},".\u002Fplugins\u002Ftenant",[586,885,616],{"class":596},[586,887,888],{"class":588,"line":626},[586,889,623],{"emptyLinePlaceholder":622},[586,891,892,895,897,899,902,904,907,909],{"class":588,"line":651},[586,893,894],{"class":642},"initLogger",[586,896,645],{"class":600},[586,898,753],{"class":596},[586,900,901],{"class":654}," plugins",[586,903,658],{"class":596},[586,905,906],{"class":600}," [tenantPlugin] ",[586,908,832],{"class":596},[586,910,774],{"class":600},[577,912,915],{"className":579,"code":913,"filename":914,"language":581,"meta":582,"style":582},"import { evlogMiddleware } from 'evlog\u002F\u003Cframework>'\nimport { tenantPlugin } from '.\u002Fplugins\u002Ftenant'\n\napp.use(evlogMiddleware({ plugins: [tenantPlugin] }))\n","Hono \u002F Express \u002F Fastify \u002F Elysia",[455,916,917,937,955,959],{"__ignoreMap":582},[586,918,919,921,923,926,928,930,932,935],{"class":588,"line":589},[586,920,593],{"class":592},[586,922,597],{"class":596},[586,924,925],{"class":600}," evlogMiddleware",[586,927,604],{"class":596},[586,929,607],{"class":592},[586,931,610],{"class":596},[586,933,934],{"class":613},"evlog\u002F\u003Cframework>",[586,936,616],{"class":596},[586,938,939,941,943,945,947,949,951,953],{"class":588,"line":619},[586,940,593],{"class":592},[586,942,597],{"class":596},[586,944,874],{"class":600},[586,946,604],{"class":596},[586,948,607],{"class":592},[586,950,610],{"class":596},[586,952,883],{"class":613},[586,954,616],{"class":596},[586,956,957],{"class":588,"line":626},[586,958,623],{"emptyLinePlaceholder":622},[586,960,961,964,966,969,971,974,976,978,980,982,984,986],{"class":588,"line":651},[586,962,963],{"class":600},"app",[586,965,745],{"class":596},[586,967,968],{"class":642},"use",[586,970,645],{"class":600},[586,972,973],{"class":642},"evlogMiddleware",[586,975,645],{"class":600},[586,977,753],{"class":596},[586,979,901],{"class":654},[586,981,658],{"class":596},[586,983,906],{"class":600},[586,985,832],{"class":596},[586,987,988],{"class":600},"))\n",[577,990,992],{"className":579,"code":991,"filename":182,"language":581,"meta":582,"style":582},"\u002F\u002F Register the hooks you actually use directly:\nnitroApp.hooks.hook('evlog:enrich', tenantPlugin.enrich!)\nnitroApp.hooks.hook('evlog:request:start', tenantPlugin.onRequestStart!)\n",[455,993,994,1000,1037],{"__ignoreMap":582},[586,995,996],{"class":588,"line":589},[586,997,999],{"class":998},"sHwdD","\u002F\u002F Register the hooks you actually use directly:\n",[586,1001,1002,1005,1007,1010,1012,1015,1017,1019,1022,1024,1026,1028,1030,1032,1035],{"class":588,"line":619},[586,1003,1004],{"class":600},"nitroApp",[586,1006,745],{"class":596},[586,1008,1009],{"class":600},"hooks",[586,1011,745],{"class":596},[586,1013,1014],{"class":642},"hook",[586,1016,645],{"class":600},[586,1018,666],{"class":596},[586,1020,1021],{"class":613},"evlog:enrich",[586,1023,666],{"class":596},[586,1025,685],{"class":596},[586,1027,874],{"class":600},[586,1029,745],{"class":596},[586,1031,512],{"class":600},[586,1033,1034],{"class":596},"!",[586,1036,774],{"class":600},[586,1038,1039,1041,1043,1045,1047,1049,1051,1053,1056,1058,1060,1062,1064,1066,1068],{"class":588,"line":626},[586,1040,1004],{"class":600},[586,1042,745],{"class":596},[586,1044,1009],{"class":600},[586,1046,745],{"class":596},[586,1048,1014],{"class":642},[586,1050,645],{"class":600},[586,1052,666],{"class":596},[586,1054,1055],{"class":613},"evlog:request:start",[586,1057,666],{"class":596},[586,1059,685],{"class":596},[586,1061,874],{"class":600},[586,1063,745],{"class":596},[586,1065,508],{"class":600},[586,1067,1034],{"class":596},[586,1069,774],{"class":600},[572,1071,1072],{"id":1009},"Hooks",[1074,1075,1076,1092],"table",{},[1077,1078,1079],"thead",{},[1080,1081,1082,1086,1089],"tr",{},[1083,1084,1085],"th",{},"Hook",[1083,1087,1088],{},"When",[1083,1090,1091],{},"Use it for",[1093,1094,1095,1112,1127,1140,1160,1173,1186,1199],"tbody",{},[1080,1096,1097,1103,1106],{},[1098,1099,1100],"td",{},[455,1101,1102],{},"setup(ctx)",[1098,1104,1105],{},"Once when registered",[1098,1107,1108,1109,1111],{},"Read ",[455,1110,816],{},", set up shared state",[1080,1113,1114,1119,1122],{},[1098,1115,1116],{},[455,1117,1118],{},"onRequestStart(ctx)",[1098,1120,1121],{},"Each request, before any handler runs",[1098,1123,1124,1125],{},"Pull values from headers into ",[455,1126,742],{},[1080,1128,1129,1134,1137],{},[1098,1130,1131],{},[455,1132,1133],{},"enrich(ctx)",[1098,1135,1136],{},"Every event, before drain",[1098,1138,1139],{},"Add derived fields (geo, deploy id…)",[1080,1141,1142,1147,1150],{},[1098,1143,1144],{},[455,1145,1146],{},"keep(ctx)",[1098,1148,1149],{},"Tail sampling decision",[1098,1151,1152,1153,509,1156,1159],{},"Force-keep based on outcome (",[455,1154,1155],{},"status >= 400",[455,1157,1158],{},"duration > 500",", …)",[1080,1161,1162,1167,1170],{},[1098,1163,1164],{},[455,1165,1166],{},"drain(ctx)",[1098,1168,1169],{},"Every emitted event",[1098,1171,1172],{},"Side-effect: alert, mirror to a queue, etc.",[1080,1174,1175,1180,1183],{},[1098,1176,1177],{},[455,1178,1179],{},"onRequestFinish(ctx)",[1098,1181,1182],{},"After response",[1098,1184,1185],{},"Per-request post-processing",[1080,1187,1188,1193,1196],{},[1098,1189,1190],{},[455,1191,1192],{},"onClientLog(ctx)",[1098,1194,1195],{},"Browser-submitted event hits the ingest endpoint",[1098,1197,1198],{},"Observe \u002F reject client traffic",[1080,1200,1201,1206,1209],{},[1098,1202,1203],{},[455,1204,1205],{},"extendLogger(logger)",[1098,1207,1208],{},"Each request",[1098,1210,1211,1212,528],{},"Add custom methods (e.g. ",[455,1213,1214],{},"logger.audit.refund()",[452,1216,1217,1218,1221,1222,745],{},"Every hook is ",[460,1219,1220],{},"optional",". A plugin can implement any subset. The full type lives in ",[468,1223,1226],{"href":1224,"rel":1225},"https:\u002F\u002Fgithub.com\u002FHugoRCD\u002Fevlog\u002Fblob\u002Fmain\u002Fpackages\u002Fevlog\u002Fsrc\u002Fshared\u002Fplugin.ts",[570],[455,1227,1228],{},"packages\u002Fevlog\u002Fsrc\u002Fshared\u002Fplugin.ts",[572,1230,1232],{"id":1231},"a-multi-hook-example","A multi-hook example",[452,1234,1235,1236,1239,1240,509,1243,1245,1246,658],{},"Plugins shine when several concerns share state. Here, a single ",[455,1237,1238],{},"request-metrics"," plugin tracks per-request timing through ",[455,1241,1242],{},"setup",[455,1244,508],{},", and ",[455,1247,515],{},[577,1249,1251],{"className":579,"code":1250,"language":581,"meta":582,"style":582},"import { definePlugin } from 'evlog\u002Ftoolkit'\n\nexport const requestMetricsPlugin = definePlugin({\n  name: 'request-metrics',\n\n  setup({ env }) {\n    statsd.init({ service: env.service })\n  },\n\n  enrich({ event }) {\n    event.tier = event.duration && event.duration > 1000 ? 'slow' : 'fast'\n  },\n\n  drain({ event }) {\n    statsd.timing('http.request', event.duration as number, { path: event.path as string })\n  },\n\n  onRequestStart({ logger, request }) {\n    logger.set({ trace: { startedAt: Date.now() } })\n  },\n\n  onRequestFinish({ event, durationMs }) {\n    if (event && (event.level === 'error' || durationMs > 5000)) {\n      \u002F\u002F alert \u002F forward \u002F etc.\n    }\n  },\n})\n",[455,1252,1253,1272,1276,1293,1307,1311,1325,1355,1359,1363,1375,1429,1433,1438,1452,1511,1516,1521,1539,1582,1587,1592,1611,1657,1663,1669,1674],{"__ignoreMap":582},[586,1254,1255,1257,1259,1261,1263,1265,1267,1270],{"class":588,"line":589},[586,1256,593],{"class":592},[586,1258,597],{"class":596},[586,1260,601],{"class":600},[586,1262,604],{"class":596},[586,1264,607],{"class":592},[586,1266,610],{"class":596},[586,1268,1269],{"class":613},"evlog\u002Ftoolkit",[586,1271,616],{"class":596},[586,1273,1274],{"class":588,"line":619},[586,1275,623],{"emptyLinePlaceholder":622},[586,1277,1278,1280,1282,1285,1287,1289,1291],{"class":588,"line":626},[586,1279,629],{"class":592},[586,1281,633],{"class":632},[586,1283,1284],{"class":600}," requestMetricsPlugin ",[586,1286,639],{"class":596},[586,1288,601],{"class":642},[586,1290,645],{"class":600},[586,1292,648],{"class":596},[586,1294,1295,1297,1299,1301,1303,1305],{"class":588,"line":651},[586,1296,655],{"class":654},[586,1298,658],{"class":596},[586,1300,610],{"class":596},[586,1302,1238],{"class":613},[586,1304,666],{"class":596},[586,1306,669],{"class":596},[586,1308,1309],{"class":588,"line":672},[586,1310,623],{"emptyLinePlaceholder":622},[586,1312,1313,1316,1318,1321,1323],{"class":588,"line":697},[586,1314,1315],{"class":654},"  setup",[586,1317,678],{"class":596},[586,1319,1320],{"class":681}," env",[586,1322,691],{"class":596},[586,1324,694],{"class":596},[586,1326,1327,1330,1332,1335,1337,1339,1342,1344,1346,1348,1351,1353],{"class":588,"line":727},[586,1328,1329],{"class":600},"    statsd",[586,1331,745],{"class":596},[586,1333,1334],{"class":642},"init",[586,1336,645],{"class":654},[586,1338,753],{"class":596},[586,1340,1341],{"class":654}," 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createUserAgentEnricher())\n","typescript",[455,1700,1701,1725,1729,1758],{"__ignoreMap":582},[586,1702,1703,1705,1707,1710,1712,1715,1717,1719,1721,1723],{"class":588,"line":589},[586,1704,593],{"class":592},[586,1706,597],{"class":596},[586,1708,1709],{"class":600}," drainPlugin",[586,1711,685],{"class":596},[586,1713,1714],{"class":600}," enricherPlugin",[586,1716,604],{"class":596},[586,1718,607],{"class":592},[586,1720,610],{"class":596},[586,1722,1269],{"class":613},[586,1724,616],{"class":596},[586,1726,1727],{"class":588,"line":619},[586,1728,623],{"emptyLinePlaceholder":622},[586,1730,1731,1734,1737,1739,1741,1743,1745,1748,1750,1752,1755],{"class":588,"line":626},[586,1732,1733],{"class":632},"const",[586,1735,1736],{"class":600}," drainOnly 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obvious.",[572,1793,1795],{"id":1794},"common-pitfalls","Common pitfalls",[493,1797,1798,1807,1818,1841],{},[496,1799,1800,1803,1804,1806],{},[460,1801,1802],{},"Don't throw from a hook."," The plugin runner catches and logs errors with the plugin name, but a thrown error from ",[455,1805,512],{}," won't propagate the event downstream. Keep hooks defensive.",[496,1808,1809,1814,1815,1817],{},[460,1810,1811,1813],{},[455,1812,515],{}," runs for every event"," — not just per-request. If you only care about per-request lifecycle, use ",[455,1816,527],{}," instead.",[496,1819,1820,1825,1826,1829,1830,1833,1834,1837,1838,745],{},[460,1821,1822,1824],{},[455,1823,518],{}," mutates the logger object"," — augment ",[455,1827,1828],{},"RequestLogger"," in a ",[455,1831,1832],{},".d.ts"," so ",[455,1835,1836],{},"useLogger(event)"," exposes the new methods to TypeScript. See ",[468,1839,1840],{"href":72},"typed fields",[496,1842,1843,1849,1850,1852],{},[460,1844,1845,1846],{},"Plugins are de-duplicated by ",[455,1847,1848],{},"name",". Re-registering with the same ",[455,1851,1848],{}," replaces the previous version (last registration wins).",[572,1854,1856],{"id":1855},"next-steps","Next steps",[493,1858,1859,1865,1871,1877],{},[496,1860,1861,1864],{},[468,1862,1863],{"href":391},"Custom Enrichers"," — single-hook enrichment",[496,1866,1867,1870],{},[468,1868,1869],{"href":404},"Custom Drains"," — single-destination output",[496,1872,1873,1876],{},[468,1874,1875],{"href":395},"Tail Sampling"," — outcome-aware keep decisions",[496,1878,1879,1882],{},[468,1880,1881],{"href":399},"Identity Headers"," — tag every drain request",[1884,1885,1886],"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 .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}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 .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 .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 .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}",{"title":582,"searchDepth":619,"depth":619,"links":1888},[1889,1890,1891,1892,1893,1894],{"id":574,"depth":619,"text":575},{"id":1009,"depth":619,"text":1072},{"id":1231,"depth":619,"text":1232},{"id":1683,"depth":619,"text":1684},{"id":1794,"depth":619,"text":1795},{"id":1855,"depth":619,"text":1856},"definePlugin is the canonical extension point for evlog — opt into any subset of setup, onRequestStart, enrich, keep, drain, onRequestFinish, onClientLog, extendLogger from a single cohesive object.","md",[1898,1901,1902],{"label":1863,"icon":356,"to":391,"color":1899,"variant":1900},"neutral","subtle",{"label":1869,"icon":406,"to":404,"color":1899,"variant":1900},{"label":1875,"icon":64,"to":395,"color":1899,"variant":1900},{},{"title":386,"icon":365},{"title":386,"description":1895},"V3Y6XFn7kEOgKHMLccUovjvoyQKjlGwzZq4KTU0kfxo",[1908,1910],{"title":349,"path":382,"stem":383,"description":1909,"icon":384,"children":-1},"Concrete copy-paste recipes — build your own minimal devtool, pipe to curl + jq, replay history then go live, and aggregate on the consumer side.",{"title":390,"path":391,"stem":392,"description":1911,"icon":356,"children":-1},"Write custom enrichers to add derived context to your wide events. Add deployment metadata, tenant IDs, feature flags, geo, or any computed data — the toolkit handles error isolation, undefined skipping, and the merge step.",1780170268986]