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Drains and enrichers are special cases of plugins, but a single plugin can opt into multiple hooks at once, the right shape for any non-trivial extension that mixes several concerns (e.g. enrich on every event + side-effect on drain + keep decision on tail sampling, all reading the same shared state).",[607,620,621,622,628,629,634,635,638],{},"When the extension only does one thing, prefer the single-purpose ",[623,624,625],"a",{"href":513},[610,626,627],{},"enricherPlugin()"," \u002F ",[623,630,631],{"href":526},[610,632,633],{},"drainPlugin()"," wrappers. Reach for ",[610,636,637],{},"definePlugin"," when several hooks share state.",[640,641,644,647,718],"prompt",{":actions":642,"description":643,"icon":483},"[\"copy\",\"cursor\",\"claude\"]","Build a multi-hook evlog plugin",[607,645,646],{},"Build an evlog plugin that hooks into more than one lifecycle stage.",[648,649,650,684,690,693,707],"ul",{},[651,652,653,654,656,657,660,661,664,665,664,668,664,671,664,674,664,677,664,680,683],"li",{},"Import ",[610,655,637],{}," from ",[610,658,659],{},"evlog"," and pick the hooks I need (",[610,662,663],{},"onRequestStart",", ",[610,666,667],{},"enrich",[610,669,670],{},"drain",[610,672,673],{},"extendLogger",[610,675,676],{},"keep",[610,678,679],{},"onClientLog",[610,681,682],{},"onRequestFinish",")",[651,685,686,687,689],{},"Keep ",[610,688,667],{}," pure (no I\u002FO, no throwing, use try\u002Fcatch internally)",[651,691,692],{},"For drains, batch and ship to the destination; respect backpressure if the drain is slow",[651,694,695,696,699,700,703,704,683],{},"Register the plugin via the framework config: Next\u002Fstandalone ",[610,697,698],{},"initLogger({ plugins: [myPlugin] })",", Hono\u002FExpress\u002FFastify\u002FElysia middleware option ",[610,701,702],{},"{ plugins: [myPlugin] }",". For Nitro, register the individual hooks directly (",[610,705,706],{},"nitroApp.hooks.hook('evlog:enrich' | 'evlog:drain' | …)",[651,708,709,710,628,712,714,715,717],{},"Prefer single-purpose ",[610,711,627],{},[610,713,633],{}," wrappers for simple extensions; use ",[610,716,637],{}," only when several hooks are needed",[607,719,720,721],{},"Docs: ",[623,722,723],{"href":723,"rel":724},"https:\u002F\u002Fwww.evlog.dev\u002Fextend\u002Fplugins",[725],"nofollow",[727,728,730],"h2",{"id":729},"minimal-example","Minimal example",[732,733,738],"pre",{"className":734,"code":735,"language":736,"meta":737,"style":737},"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","",[610,739,740,772,779,804,825,850,880,930,936,951,977,982],{"__ignoreMap":737},[741,742,745,749,753,757,760,763,766,769],"span",{"class":743,"line":744},"line",1,[741,746,748],{"class":747},"s7zQu","import",[741,750,752],{"class":751},"sMK4o"," {",[741,754,756],{"class":755},"sTEyZ"," definePlugin",[741,758,759],{"class":751}," }",[741,761,762],{"class":747}," from",[741,764,765],{"class":751}," '",[741,767,659],{"class":768},"sfazB",[741,770,771],{"class":751},"'\n",[741,773,775],{"class":743,"line":774},2,[741,776,778],{"emptyLinePlaceholder":777},true,"\n",[741,780,782,785,789,792,795,798,801],{"class":743,"line":781},3,[741,783,784],{"class":747},"export",[741,786,788],{"class":787},"spNyl"," const",[741,790,791],{"class":755}," tenantPlugin ",[741,793,794],{"class":751},"=",[741,796,756],{"class":797},"s2Zo4",[741,799,800],{"class":755},"(",[741,802,803],{"class":751},"{\n",[741,805,807,811,814,816,819,822],{"class":743,"line":806},4,[741,808,810],{"class":809},"swJcz","  name",[741,812,813],{"class":751},":",[741,815,765],{"class":751},[741,817,818],{"class":768},"tenant",[741,820,821],{"class":751},"'",[741,823,824],{"class":751},",\n",[741,826,828,831,834,838,841,844,847],{"class":743,"line":827},5,[741,829,830],{"class":809},"  onRequestStart",[741,832,833],{"class":751},"({",[741,835,837],{"class":836},"sHdIc"," logger",[741,839,840],{"class":751},",",[741,842,843],{"class":836}," headers",[741,845,846],{"class":751}," })",[741,848,849],{"class":751}," {\n",[741,851,853,856,859,862,864,867,870,872,875,877],{"class":743,"line":852},6,[741,854,855],{"class":787},"    const",[741,857,858],{"class":755}," tenantId",[741,860,861],{"class":751}," =",[741,863,843],{"class":755},[741,865,866],{"class":751},"?.",[741,868,869],{"class":809},"[",[741,871,821],{"class":751},[741,873,874],{"class":768},"x-tenant-id",[741,876,821],{"class":751},[741,878,879],{"class":809},"]\n",[741,881,883,886,889,892,895,898,901,904,906,909,912,914,916,919,921,923,925,927],{"class":743,"line":882},7,[741,884,885],{"class":747},"    if",[741,887,888],{"class":809}," (",[741,890,891],{"class":755},"tenantId",[741,893,894],{"class":809},") ",[741,896,897],{"class":755},"logger",[741,899,900],{"class":751},".",[741,902,903],{"class":797},"set",[741,905,800],{"class":809},[741,907,908],{"class":751},"{",[741,910,911],{"class":809}," tenant",[741,913,813],{"class":751},[741,915,752],{"class":751},[741,917,918],{"class":809}," id",[741,920,813],{"class":751},[741,922,858],{"class":755},[741,924,759],{"class":751},[741,926,759],{"class":751},[741,928,929],{"class":809},")\n",[741,931,933],{"class":743,"line":932},8,[741,934,935],{"class":751},"  },\n",[741,937,939,942,944,947,949],{"class":743,"line":938},9,[741,940,941],{"class":809},"  enrich",[741,943,833],{"class":751},[741,945,946],{"class":836}," event",[741,948,846],{"class":751},[741,950,849],{"class":751},[741,952,954,957,959,962,964,967,969,972,974],{"class":743,"line":953},10,[741,955,956],{"class":755},"    event",[741,958,900],{"class":751},[741,960,961],{"class":755},"region",[741,963,861],{"class":751},[741,965,966],{"class":755}," process",[741,968,900],{"class":751},[741,970,971],{"class":755},"env",[741,973,900],{"class":751},[741,975,976],{"class":755},"REGION\n",[741,978,980],{"class":743,"line":979},11,[741,981,935],{"class":751},[741,983,985,988],{"class":743,"line":984},12,[741,986,987],{"class":751},"}",[741,989,929],{"class":755},[607,991,992],{},"Register the plugin where you bootstrap evlog. The shape depends on your runtime:",[994,995,996,1066,1144],"code-group",{},[732,997,1000],{"className":734,"code":998,"filename":999,"language":736,"meta":737,"style":737},"import { initLogger } from 'evlog'\nimport { tenantPlugin } from '.\u002Fplugins\u002Ftenant'\n\ninitLogger({ plugins: [tenantPlugin] })\n","Next.js \u002F standalone",[610,1001,1002,1021,1041,1045],{"__ignoreMap":737},[741,1003,1004,1006,1008,1011,1013,1015,1017,1019],{"class":743,"line":744},[741,1005,748],{"class":747},[741,1007,752],{"class":751},[741,1009,1010],{"class":755}," initLogger",[741,1012,759],{"class":751},[741,1014,762],{"class":747},[741,1016,765],{"class":751},[741,1018,659],{"class":768},[741,1020,771],{"class":751},[741,1022,1023,1025,1027,1030,1032,1034,1036,1039],{"class":743,"line":774},[741,1024,748],{"class":747},[741,1026,752],{"class":751},[741,1028,1029],{"class":755}," tenantPlugin",[741,1031,759],{"class":751},[741,1033,762],{"class":747},[741,1035,765],{"class":751},[741,1037,1038],{"class":768},".\u002Fplugins\u002Ftenant",[741,1040,771],{"class":751},[741,1042,1043],{"class":743,"line":781},[741,1044,778],{"emptyLinePlaceholder":777},[741,1046,1047,1050,1052,1054,1057,1059,1062,1064],{"class":743,"line":806},[741,1048,1049],{"class":797},"initLogger",[741,1051,800],{"class":755},[741,1053,908],{"class":751},[741,1055,1056],{"class":809}," plugins",[741,1058,813],{"class":751},[741,1060,1061],{"class":755}," [tenantPlugin] ",[741,1063,987],{"class":751},[741,1065,929],{"class":755},[732,1067,1070],{"className":734,"code":1068,"filename":1069,"language":736,"meta":737,"style":737},"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",[610,1071,1072,1092,1110,1114],{"__ignoreMap":737},[741,1073,1074,1076,1078,1081,1083,1085,1087,1090],{"class":743,"line":744},[741,1075,748],{"class":747},[741,1077,752],{"class":751},[741,1079,1080],{"class":755}," evlogMiddleware",[741,1082,759],{"class":751},[741,1084,762],{"class":747},[741,1086,765],{"class":751},[741,1088,1089],{"class":768},"evlog\u002F\u003Cframework>",[741,1091,771],{"class":751},[741,1093,1094,1096,1098,1100,1102,1104,1106,1108],{"class":743,"line":774},[741,1095,748],{"class":747},[741,1097,752],{"class":751},[741,1099,1029],{"class":755},[741,1101,759],{"class":751},[741,1103,762],{"class":747},[741,1105,765],{"class":751},[741,1107,1038],{"class":768},[741,1109,771],{"class":751},[741,1111,1112],{"class":743,"line":781},[741,1113,778],{"emptyLinePlaceholder":777},[741,1115,1116,1119,1121,1124,1126,1129,1131,1133,1135,1137,1139,1141],{"class":743,"line":806},[741,1117,1118],{"class":755},"app",[741,1120,900],{"class":751},[741,1122,1123],{"class":797},"use",[741,1125,800],{"class":755},[741,1127,1128],{"class":797},"evlogMiddleware",[741,1130,800],{"class":755},[741,1132,908],{"class":751},[741,1134,1056],{"class":809},[741,1136,813],{"class":751},[741,1138,1061],{"class":755},[741,1140,987],{"class":751},[741,1142,1143],{"class":755},"))\n",[732,1145,1147],{"className":734,"code":1146,"filename":255,"language":736,"meta":737,"style":737},"\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",[610,1148,1149,1155,1192],{"__ignoreMap":737},[741,1150,1151],{"class":743,"line":744},[741,1152,1154],{"class":1153},"sHwdD","\u002F\u002F Register the hooks you actually use directly:\n",[741,1156,1157,1160,1162,1165,1167,1170,1172,1174,1177,1179,1181,1183,1185,1187,1190],{"class":743,"line":774},[741,1158,1159],{"class":755},"nitroApp",[741,1161,900],{"class":751},[741,1163,1164],{"class":755},"hooks",[741,1166,900],{"class":751},[741,1168,1169],{"class":797},"hook",[741,1171,800],{"class":755},[741,1173,821],{"class":751},[741,1175,1176],{"class":768},"evlog:enrich",[741,1178,821],{"class":751},[741,1180,840],{"class":751},[741,1182,1029],{"class":755},[741,1184,900],{"class":751},[741,1186,667],{"class":755},[741,1188,1189],{"class":751},"!",[741,1191,929],{"class":755},[741,1193,1194,1196,1198,1200,1202,1204,1206,1208,1211,1213,1215,1217,1219,1221,1223],{"class":743,"line":781},[741,1195,1159],{"class":755},[741,1197,900],{"class":751},[741,1199,1164],{"class":755},[741,1201,900],{"class":751},[741,1203,1169],{"class":797},[741,1205,800],{"class":755},[741,1207,821],{"class":751},[741,1209,1210],{"class":768},"evlog:request:start",[741,1212,821],{"class":751},[741,1214,840],{"class":751},[741,1216,1029],{"class":755},[741,1218,900],{"class":751},[741,1220,663],{"class":755},[741,1222,1189],{"class":751},[741,1224,929],{"class":755},[727,1226,1227],{"id":1164},"Hooks",[1229,1230,1231,1247],"table",{},[1232,1233,1234],"thead",{},[1235,1236,1237,1241,1244],"tr",{},[1238,1239,1240],"th",{},"Hook",[1238,1242,1243],{},"When",[1238,1245,1246],{},"Use it for",[1248,1249,1250,1267,1282,1295,1315,1328,1341,1354],"tbody",{},[1235,1251,1252,1258,1261],{},[1253,1254,1255],"td",{},[610,1256,1257],{},"setup(ctx)",[1253,1259,1260],{},"Once when registered",[1253,1262,1263,1264,1266],{},"Read ",[610,1265,971],{},", set up shared state",[1235,1268,1269,1274,1277],{},[1253,1270,1271],{},[610,1272,1273],{},"onRequestStart(ctx)",[1253,1275,1276],{},"Each request, before any handler runs",[1253,1278,1279,1280],{},"Pull values from headers into ",[610,1281,897],{},[1235,1283,1284,1289,1292],{},[1253,1285,1286],{},[610,1287,1288],{},"enrich(ctx)",[1253,1290,1291],{},"Every event, before drain",[1253,1293,1294],{},"Add derived fields (geo, deploy id…)",[1235,1296,1297,1302,1305],{},[1253,1298,1299],{},[610,1300,1301],{},"keep(ctx)",[1253,1303,1304],{},"Tail sampling decision",[1253,1306,1307,1308,664,1311,1314],{},"Force-keep based on outcome (",[610,1309,1310],{},"status >= 400",[610,1312,1313],{},"duration > 500",", …)",[1235,1316,1317,1322,1325],{},[1253,1318,1319],{},[610,1320,1321],{},"drain(ctx)",[1253,1323,1324],{},"Every emitted event",[1253,1326,1327],{},"Side-effect: alert, mirror to a queue, etc.",[1235,1329,1330,1335,1338],{},[1253,1331,1332],{},[610,1333,1334],{},"onRequestFinish(ctx)",[1253,1336,1337],{},"After response",[1253,1339,1340],{},"Per-request post-processing",[1235,1342,1343,1348,1351],{},[1253,1344,1345],{},[610,1346,1347],{},"onClientLog(ctx)",[1253,1349,1350],{},"Browser-submitted event hits the ingest endpoint",[1253,1352,1353],{},"Observe \u002F reject client traffic",[1235,1355,1356,1361,1364],{},[1253,1357,1358],{},[610,1359,1360],{},"extendLogger(logger)",[1253,1362,1363],{},"Each request",[1253,1365,1366,1367,683],{},"Add custom methods (e.g. ",[610,1368,1369],{},"logger.audit.refund()",[607,1371,1372,1373,1376,1377,900],{},"Every hook is ",[615,1374,1375],{},"optional",". A plugin can implement any subset. The full type lives in ",[623,1378,1381],{"href":1379,"rel":1380},"https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Fblob\u002Fmain\u002Fpackages\u002Fevlog\u002Fsrc\u002Fshared\u002Fplugin.ts",[725],[610,1382,1383],{},"packages\u002Fevlog\u002Fsrc\u002Fshared\u002Fplugin.ts",[727,1385,1387],{"id":1386},"a-multi-hook-example","A multi-hook example",[607,1389,1390,1391,1394,1395,664,1398,1400,1401,813],{},"Plugins shine when several concerns share state. Here, a single ",[610,1392,1393],{},"request-metrics"," plugin tracks per-request timing through ",[610,1396,1397],{},"setup",[610,1399,663],{},", and ",[610,1402,670],{},[732,1404,1406],{"className":734,"code":1405,"language":736,"meta":737,"style":737},"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    if (event.durationMs !== undefined) event.tier = event.durationMs > 1000 ? 'slow' : 'fast'\n  },\n\n  drain({ event }) {\n    if (event.durationMs !== undefined) {\n      statsd.timing('http.request', event.durationMs, { path: event.path as string })\n    }\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",[610,1407,1408,1427,1431,1448,1462,1466,1480,1509,1513,1517,1529,1593,1597,1602,1616,1637,1692,1698,1703,1708,1726,1769,1774,1779,1798,1844,1850,1855,1860],{"__ignoreMap":737},[741,1409,1410,1412,1414,1416,1418,1420,1422,1425],{"class":743,"line":744},[741,1411,748],{"class":747},[741,1413,752],{"class":751},[741,1415,756],{"class":755},[741,1417,759],{"class":751},[741,1419,762],{"class":747},[741,1421,765],{"class":751},[741,1423,1424],{"class":768},"evlog\u002Ftoolkit",[741,1426,771],{"class":751},[741,1428,1429],{"class":743,"line":774},[741,1430,778],{"emptyLinePlaceholder":777},[741,1432,1433,1435,1437,1440,1442,1444,1446],{"class":743,"line":781},[741,1434,784],{"class":747},[741,1436,788],{"class":787},[741,1438,1439],{"class":755}," requestMetricsPlugin 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",[741,1952,794],{"class":751},[741,1954,1900],{"class":797},[741,1956,800],{"class":755},[741,1958,821],{"class":751},[741,1960,1961],{"class":768},"user-agent",[741,1963,821],{"class":751},[741,1965,840],{"class":751},[741,1967,1968],{"class":797}," createUserAgentEnricher",[741,1970,1943],{"class":755},[607,1972,1973,1974,1977],{},"These are equivalent to a ",[610,1975,1976],{},"definePlugin({ name, drain | enrich })"," shape but read more clearly when intent is obvious.",[727,1979,1981],{"id":1980},"common-pitfalls","Common pitfalls",[648,1983,1984,1993,2004,2027],{},[651,1985,1986,1989,1990,1992],{},[615,1987,1988],{},"Don't throw from a hook."," The plugin runner catches and logs errors with the plugin name, but a thrown error from ",[610,1991,667],{}," won't propagate the event downstream. Keep hooks defensive.",[651,1994,1995,2000,2001,2003],{},[615,1996,1997,1999],{},[610,1998,670],{}," runs for every event",": not just per-request. If you only care about per-request lifecycle, use ",[610,2002,682],{}," instead.",[651,2005,2006,2011,2012,2015,2016,2019,2020,2023,2024,900],{},[615,2007,2008,2010],{},[610,2009,673],{}," mutates the logger object",": augment ",[610,2013,2014],{},"RequestLogger"," in a ",[610,2017,2018],{},".d.ts"," so ",[610,2021,2022],{},"useLogger(event)"," exposes the new methods to TypeScript. See ",[623,2025,2026],{"href":77},"typed fields",[651,2028,2029,2035,2036,2038],{},[615,2030,2031,2032],{},"Plugins are de-duplicated by ",[610,2033,2034],{},"name",". Re-registering with the same ",[610,2037,2034],{}," replaces the previous version (last registration wins).",[727,2040,2042],{"id":2041},"next-steps","Next steps",[648,2044,2045,2051,2057,2063],{},[651,2046,2047,2050],{},[623,2048,2049],{"href":513},"Custom Enrichers",": single-hook enrichment",[651,2052,2053,2056],{},[623,2054,2055],{"href":526},"Custom Drains",": single-destination output",[651,2058,2059,2062],{},[623,2060,2061],{"href":517},"Tail Sampling",": outcome-aware keep decisions",[651,2064,2065,2068],{},[623,2066,2067],{"href":521},"Identity Headers",": tag every drain request",[2070,2071,2072],"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":737,"searchDepth":774,"depth":774,"links":2074},[2075,2076,2077,2078,2079,2080],{"id":729,"depth":774,"text":730},{"id":1164,"depth":774,"text":1227},{"id":1386,"depth":774,"text":1387},{"id":1869,"depth":774,"text":1870},{"id":1980,"depth":774,"text":1981},{"id":2041,"depth":774,"text":2042},"definePlugin is evlog's canonical extension point: opt into any subset of the lifecycle hooks from one cohesive object.","md",[2084,2087,2088],{"label":2049,"icon":443,"to":513,"color":2085,"variant":2086},"neutral","subtle",{"label":2055,"icon":528,"to":526,"color":2085,"variant":2086},{"label":2061,"icon":69,"to":517,"color":2085,"variant":2086},{},{"title":508,"icon":483},{"title":508,"description":2081},"aEy_At20tZ52v0Sa8rLmt4NbCoh45YTn5d0jO7kZShI",[2094,2096],{"title":415,"path":504,"stem":505,"description":2095,"icon":506,"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":512,"path":513,"stem":514,"description":2097,"icon":443,"children":-1},"Write an enricher that adds deployment metadata, tenant ids, feature flags, or anything computed. Error isolation and merging are handled.",1789076907106]