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ai\n","npm",[464,590,591],{"__ignoreMap":539},[543,592,593,595,598],{"class":545,"line":546},[543,594,588],{"class":549},[543,596,597],{"class":552}," install",[543,599,556],{"class":552},[522,601,20],{"id":602},"quick-start",[604,605],"ai-sdk-wide-event",{},[461,607,608],{},"Two lines to add, one param to change:",[530,610,611,741],{},[533,612,617],{"className":613,"code":614,"filename":615,"language":616,"meta":539,"style":539},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","export default defineEventHandler(async (event) => {\n  const result = streamText({\n    model: 'anthropic\u002Fclaude-sonnet-4.6',\n    messages,\n  })\n  return result.toTextStreamResponse()\n})\n","Before","typescript",[464,618,619,657,678,699,707,716,733],{"__ignoreMap":539},[543,620,621,625,628,632,636,640,644,648,651,654],{"class":545,"line":546},[543,622,624],{"class":623},"s7zQu","export",[543,626,627],{"class":623}," 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messages",[543,706,698],{"class":642},[543,708,710,713],{"class":545,"line":709},5,[543,711,712],{"class":642},"  }",[543,714,715],{"class":674},")\n",[543,717,719,722,724,727,730],{"class":545,"line":718},6,[543,720,721],{"class":623},"  return",[543,723,665],{"class":634},[543,725,726],{"class":642},".",[543,728,729],{"class":630},"toTextStreamResponse",[543,731,732],{"class":674},"()\n",[543,734,736,739],{"class":545,"line":735},7,[543,737,738],{"class":642},"}",[543,740,715],{"class":634},[533,742,745],{"className":613,"code":743,"filename":744,"language":616,"meta":539,"style":539},"import { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n  const ai = createAILogger(log)\n\n  const result = streamText({\n    model: ai.wrap('anthropic\u002Fclaude-sonnet-4.6'),\n    messages,\n  })\n  return result.toTextStreamResponse()\n})\n","After",[464,746,747,772,791,797,819,836,854,858,873,899,906,913,926],{"__ignoreMap":539},[543,748,749,752,755,758,761,764,766,769],{"class":545,"line":546},[543,750,751],{"class":623},"import",[543,753,754],{"class":642}," {",[543,756,757],{"class":634}," useLogger",[543,759,760],{"class":642}," }",[543,762,763],{"class":623}," from",[543,765,689],{"class":642},[543,767,768],{"class":552},"evlog",[543,770,771],{"class":642},"'\n",[543,773,774,776,778,781,783,785,787,789],{"class":545,"line":659},[543,775,751],{"class":623},[543,777,754],{"class":642},[543,779,780],{"class":634}," createAILogger",[543,782,760],{"class":642},[543,784,763],{"class":623},[543,786,689],{"class":642},[543,788,466],{"class":552},[543,790,771],{"class":642},[543,792,793],{"class":545,"line":680},[543,794,796],{"emptyLinePlaceholder":795},true,"\n",[543,798,799,801,803,805,807,809,811,813,815,817],{"class":545,"line":701},[543,800,624],{"class":623},[543,802,627],{"class":623},[543,804,631],{"class":630},[543,806,635],{"class":634},[543,808,639],{"class":638},[543,810,643],{"class":642},[543,812,647],{"class":646},[543,814,650],{"class":642},[543,816,653],{"class":638},[543,818,656],{"class":642},[543,820,821,823,826,828,830,832,834],{"class":545,"line":709},[543,822,662],{"class":638},[543,824,825],{"class":634}," log",[543,827,668],{"class":642},[543,829,757],{"class":630},[543,831,635],{"class":674},[543,833,647],{"class":634},[543,835,715],{"class":674},[543,837,838,840,843,845,847,849,852],{"class":545,"line":718},[543,839,662],{"class":638},[543,841,842],{"class":634}," ai",[543,844,668],{"class":642},[543,846,780],{"class":630},[543,848,635],{"class":674},[543,850,851],{"class":634},"log",[543,853,715],{"class":674},[543,855,856],{"class":545,"line":735},[543,857,796],{"emptyLinePlaceholder":795},[543,859,861,863,865,867,869,871],{"class":545,"line":860},8,[543,862,662],{"class":638},[543,864,665],{"class":634},[543,866,668],{"class":642},[543,868,671],{"class":630},[543,870,635],{"class":674},[543,872,677],{"class":642},[543,874,876,878,880,882,884,887,889,891,893,895,897],{"class":545,"line":875},9,[543,877,683],{"class":674},[543,879,686],{"class":642},[543,881,842],{"class":634},[543,883,726],{"class":642},[543,885,886],{"class":630},"wrap",[543,888,635],{"class":674},[543,890,695],{"class":642},[543,892,692],{"class":552},[543,894,695],{"class":642},[543,896,650],{"class":674},[543,898,698],{"class":642},[543,900,902,904],{"class":545,"line":901},10,[543,903,704],{"class":634},[543,905,698],{"class":642},[543,907,909,911],{"class":545,"line":908},11,[543,910,712],{"class":642},[543,912,715],{"class":674},[543,914,916,918,920,922,924],{"class":545,"line":915},12,[543,917,721],{"class":623},[543,919,665],{"class":634},[543,921,726],{"class":642},[543,923,729],{"class":630},[543,925,732],{"class":674},[543,927,929,931],{"class":545,"line":928},13,[543,930,738],{"class":642},[543,932,715],{"class":634},[461,934,935],{},"Your wide event now includes:",[533,937,942],{"className":938,"code":939,"filename":940,"language":941,"meta":539,"style":539},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"method\": \"POST\",\n  \"path\": \"\u002Fapi\u002Fchat\",\n  \"status\": 200,\n  \"duration\": \"4.5s\",\n  \"ai\": {\n    \"calls\": 1,\n    \"model\": \"claude-sonnet-4.6\",\n    \"provider\": \"anthropic\",\n    \"inputTokens\": 3312,\n    \"outputTokens\": 814,\n    \"totalTokens\": 4126,\n    \"reasoningTokens\": 225,\n    \"finishReason\": \"stop\",\n    \"msToFirstChunk\": 234,\n    \"msToFinish\": 4500,\n    \"tokensPerSecond\": 180\n  }\n}\n","Wide Event","json",[464,943,944,948,971,991,1008,1028,1041,1058,1078,1098,1114,1130,1146,1162,1183,1200,1217,1232,1238],{"__ignoreMap":539},[543,945,946],{"class":545,"line":546},[543,947,677],{"class":642},[543,949,950,953,956,959,961,964,967,969],{"class":545,"line":659},[543,951,952],{"class":642},"  \"",[543,954,955],{"class":638},"method",[543,957,958],{"class":642},"\"",[543,960,686],{"class":642},[543,962,963],{"class":642}," \"",[543,965,966],{"class":552},"POST",[543,968,958],{"class":642},[543,970,698],{"class":642},[543,972,973,975,978,980,982,984,987,989],{"class":545,"line":680},[543,974,952],{"class":642},[543,976,977],{"class":638},"path",[543,979,958],{"class":642},[543,981,686],{"class":642},[543,983,963],{"class":642},[543,985,986],{"class":552},"\u002Fapi\u002Fchat",[543,988,958],{"class":642},[543,990,698],{"class":642},[543,992,993,995,998,1000,1002,1006],{"class":545,"line":701},[543,994,952],{"class":642},[543,996,997],{"class":638},"status",[543,999,958],{"class":642},[543,1001,686],{"class":642},[543,1003,1005],{"class":1004},"sbssI"," 200",[543,1007,698],{"class":642},[543,1009,1010,1012,1015,1017,1019,1021,1024,1026],{"class":545,"line":709},[543,1011,952],{"class":642},[543,1013,1014],{"class":638},"duration",[543,1016,958],{"class":642},[543,1018,686],{"class":642},[543,1020,963],{"class":642},[543,1022,1023],{"class":552},"4.5s",[543,1025,958],{"class":642},[543,1027,698],{"class":642},[543,1029,1030,1032,1035,1037,1039],{"class":545,"line":718},[543,1031,952],{"class":642},[543,1033,1034],{"class":638},"ai",[543,1036,958],{"class":642},[543,1038,686],{"class":642},[543,1040,656],{"class":642},[543,1042,1043,1046,1049,1051,1053,1056],{"class":545,"line":735},[543,1044,1045],{"class":642},"    \"",[543,1047,1048],{"class":549},"calls",[543,1050,958],{"class":642},[543,1052,686],{"class":642},[543,1054,1055],{"class":1004}," 1",[543,1057,698],{"class":642},[543,1059,1060,1062,1065,1067,1069,1071,1074,1076],{"class":545,"line":860},[543,1061,1045],{"class":642},[543,1063,1064],{"class":549},"model",[543,1066,958],{"class":642},[543,1068,686],{"class":642},[543,1070,963],{"class":642},[543,1072,1073],{"class":552},"claude-sonnet-4.6",[543,1075,958],{"class":642},[543,1077,698],{"class":642},[543,1079,1080,1082,1085,1087,1089,1091,1094,1096],{"class":545,"line":875},[543,1081,1045],{"class":642},[543,1083,1084],{"class":549},"provider",[543,1086,958],{"class":642},[543,1088,686],{"class":642},[543,1090,963],{"class":642},[543,1092,1093],{"class":552},"anthropic",[543,1095,958],{"class":642},[543,1097,698],{"class":642},[543,1099,1100,1102,1105,1107,1109,1112],{"class":545,"line":901},[543,1101,1045],{"class":642},[543,1103,1104],{"class":549},"inputTokens",[543,1106,958],{"class":642},[543,1108,686],{"class":642},[543,1110,1111],{"class":1004}," 3312",[543,1113,698],{"class":642},[543,1115,1116,1118,1121,1123,1125,1128],{"class":545,"line":908},[543,1117,1045],{"class":642},[543,1119,1120],{"class":549},"outputTokens",[543,1122,958],{"class":642},[543,1124,686],{"class":642},[543,1126,1127],{"class":1004}," 814",[543,1129,698],{"class":642},[543,1131,1132,1134,1137,1139,1141,1144],{"class":545,"line":915},[543,1133,1045],{"class":642},[543,1135,1136],{"class":549},"totalTokens",[543,1138,958],{"class":642},[543,1140,686],{"class":642},[543,1142,1143],{"class":1004}," 4126",[543,1145,698],{"class":642},[543,1147,1148,1150,1153,1155,1157,1160],{"class":545,"line":928},[543,1149,1045],{"class":642},[543,1151,1152],{"class":549},"reasoningTokens",[543,1154,958],{"class":642},[543,1156,686],{"class":642},[543,1158,1159],{"class":1004}," 225",[543,1161,698],{"class":642},[543,1163,1165,1167,1170,1172,1174,1176,1179,1181],{"class":545,"line":1164},14,[543,1166,1045],{"class":642},[543,1168,1169],{"class":549},"finishReason",[543,1171,958],{"class":642},[543,1173,686],{"class":642},[543,1175,963],{"class":642},[543,1177,1178],{"class":552},"stop",[543,1180,958],{"class":642},[543,1182,698],{"class":642},[543,1184,1186,1188,1191,1193,1195,1198],{"class":545,"line":1185},15,[543,1187,1045],{"class":642},[543,1189,1190],{"class":549},"msToFirstChunk",[543,1192,958],{"class":642},[543,1194,686],{"class":642},[543,1196,1197],{"class":1004}," 234",[543,1199,698],{"class":642},[543,1201,1203,1205,1208,1210,1212,1215],{"class":545,"line":1202},16,[543,1204,1045],{"class":642},[543,1206,1207],{"class":549},"msToFinish",[543,1209,958],{"class":642},[543,1211,686],{"class":642},[543,1213,1214],{"class":1004}," 4500",[543,1216,698],{"class":642},[543,1218,1220,1222,1225,1227,1229],{"class":545,"line":1219},17,[543,1221,1045],{"class":642},[543,1223,1224],{"class":549},"tokensPerSecond",[543,1226,958],{"class":642},[543,1228,686],{"class":642},[543,1230,1231],{"class":1004}," 180\n",[543,1233,1235],{"class":545,"line":1234},18,[543,1236,1237],{"class":642},"  }\n",[543,1239,1241],{"class":545,"line":1240},19,[543,1242,1243],{"class":642},"}\n",[522,1245,1247],{"id":1246},"how-it-works","How It Works",[461,1249,1250,1253,1254,1257],{},[464,1251,1252],{},"createAILogger(log, options?)"," returns an ",[464,1255,1256],{},"AILogger"," with the following methods:",[1259,1260,1261,1274],"table",{},[1262,1263,1264],"thead",{},[1265,1266,1267,1271],"tr",{},[1268,1269,1270],"th",{},"Method",[1268,1272,1273],{},"Description",[1275,1276,1277,1307,1325,1338,1352],"tbody",{},[1265,1278,1279,1285],{},[1280,1281,1282],"td",{},[464,1283,1284],{},"wrap(model)",[1280,1286,1287,1288,1291,1292,1295,1296,1299,1300,1303,1304,726],{},"Wraps a language model with middleware. Accepts a model string (e.g. ",[464,1289,1290],{},"'anthropic\u002Fclaude-sonnet-4.6'",") or a ",[464,1293,1294],{},"LanguageModelV3"," object. Works with ",[464,1297,1298],{},"generateText",", ",[464,1301,1302],{},"streamText",", and ",[464,1305,1306],{},"ToolLoopAgent",[1265,1308,1309,1314],{},[1280,1310,1311],{},[464,1312,1313],{},"captureEmbed(result)",[1280,1315,1316,1317,1320,1321,1324],{},"Manually captures token usage, model info, and dimensions from ",[464,1318,1319],{},"embed()"," or ",[464,1322,1323],{},"embedMany()"," results.",[1265,1326,1327,1332],{},[1280,1328,1329],{},[464,1330,1331],{},"getMetadata()",[1280,1333,1334,1335,726],{},"Returns a snapshot of the current execution metadata. See ",[511,1336,1337],{"href":91},"Access Metadata",[1265,1339,1340,1345],{},[1280,1341,1342],{},[464,1343,1344],{},"getEstimatedCost()",[1280,1346,1347,1348,1351],{},"Returns the current estimated cost in dollars when a ",[464,1349,1350],{},"cost"," map is configured.",[1265,1353,1354,1359],{},[1280,1355,1356],{},[464,1357,1358],{},"onUpdate(callback)",[1280,1360,1361],{},"Subscribe to metadata updates. Fires on every step, embed, error, and integration finish.",[461,1363,1364],{},"The middleware intercepts calls at the provider level. It does not touch your callbacks, prompts, or responses. Captured data flows through the normal evlog pipeline (sampling, enrichers, drains) and lands in Axiom, Better Stack, or wherever you drain to.",[522,1366,1368],{"id":1367},"where-to-next","Where to next",[1370,1371,1372,1381,1384,1390],"card-group",{},[1373,1374,1376,1299,1378,1380],"card",{"icon":83,"title":1375,"to":81},"Usage Patterns",[464,1377,1302],{},[464,1379,1298],{},", multi-step agents, RAG, multiple models — every common pattern, ready to copy.",[1373,1382,1383],{"icon":88,"title":85,"to":86},"Capture tool inputs (with redaction and truncation), enable cost estimation, and handle errors.",[1373,1385,1386,1387,1389],{"icon":93,"title":1337,"to":91},"Read the captured ",[464,1388,1034],{}," data inside your handler — persist it, bill against it, or stream it to the client.",[1373,1391,1393,1394,1397],{"icon":98,"title":1392,"to":96},"Deeper Telemetry","Add tool execution timing and total wall time with ",[464,1395,1396],{},"createEvlogIntegration",". Compose with other middlewares.",[522,1399,1401],{"id":1400},"works-with-all-frameworks","Works With All Frameworks",[461,1403,1404,1406],{},[464,1405,466],{}," works with any framework that evlog supports:",[530,1408,1409,1484,1601,1694,1790,1879,1949],{},[533,1410,1412],{"className":613,"code":1411,"filename":211,"language":616,"meta":539,"style":539},"import { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nconst log = useLogger(event)\nconst ai = createAILogger(log)\n",[464,1413,1414,1432,1450,1454,1470],{"__ignoreMap":539},[543,1415,1416,1418,1420,1422,1424,1426,1428,1430],{"class":545,"line":546},[543,1417,751],{"class":623},[543,1419,754],{"class":642},[543,1421,757],{"class":634},[543,1423,760],{"class":642},[543,1425,763],{"class":623},[543,1427,689],{"class":642},[543,1429,768],{"class":552},[543,1431,771],{"class":642},[543,1433,1434,1436,1438,1440,1442,1444,1446,1448],{"class":545,"line":659},[543,1435,751],{"class":623},[543,1437,754],{"class":642},[543,1439,780],{"class":634},[543,1441,760],{"class":642},[543,1443,763],{"class":623},[543,1445,689],{"class":642},[543,1447,466],{"class":552},[543,1449,771],{"class":642},[543,1451,1452],{"class":545,"line":680},[543,1453,796],{"emptyLinePlaceholder":795},[543,1455,1456,1459,1462,1465,1467],{"class":545,"line":701},[543,1457,1458],{"class":638},"const",[543,1460,1461],{"class":634}," log ",[543,1463,1464],{"class":642},"=",[543,1466,757],{"class":630},[543,1468,1469],{"class":634},"(event)\n",[543,1471,1472,1474,1477,1479,1481],{"class":545,"line":709},[543,1473,1458],{"class":638},[543,1475,1476],{"class":634}," ai ",[543,1478,1464],{"class":642},[543,1480,780],{"class":630},[543,1482,1483],{"class":634},"(log)\n",[533,1485,1487],{"className":613,"code":1486,"filename":216,"language":616,"meta":539,"style":539},"import { withEvlog, useLogger } from '@\u002Flib\u002Fevlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nexport const POST = withEvlog(async () => {\n  const log = useLogger()\n  const ai = createAILogger(log)\n  \u002F\u002F ...\n})\n",[464,1488,1489,1514,1532,1536,1561,1573,1589,1595],{"__ignoreMap":539},[543,1490,1491,1493,1495,1498,1501,1503,1505,1507,1509,1512],{"class":545,"line":546},[543,1492,751],{"class":623},[543,1494,754],{"class":642},[543,1496,1497],{"class":634}," withEvlog",[543,1499,1500],{"class":642},",",[543,1502,757],{"class":634},[543,1504,760],{"class":642},[543,1506,763],{"class":623},[543,1508,689],{"class":642},[543,1510,1511],{"class":552},"@\u002Flib\u002Fevlog",[543,1513,771],{"class":642},[543,1515,1516,1518,1520,1522,1524,1526,1528,1530],{"class":545,"line":659},[543,1517,751],{"class":623},[543,1519,754],{"class":642},[543,1521,780],{"class":634},[543,1523,760],{"class":642},[543,1525,763],{"class":623},[543,1527,689],{"class":642},[543,1529,466],{"class":552},[543,1531,771],{"class":642},[543,1533,1534],{"class":545,"line":680},[543,1535,796],{"emptyLinePlaceholder":795},[543,1537,1538,1540,1543,1546,1548,1550,1552,1554,1557,1559],{"class":545,"line":701},[543,1539,624],{"class":623},[543,1541,1542],{"class":638}," const",[543,1544,1545],{"class":634}," POST ",[543,1547,1464],{"class":642},[543,1549,1497],{"class":630},[543,1551,635],{"class":634},[543,1553,639],{"class":638},[543,1555,1556],{"class":642}," ()",[543,1558,653],{"class":638},[543,1560,656],{"class":642},[543,1562,1563,1565,1567,1569,1571],{"class":545,"line":709},[543,1564,662],{"class":638},[543,1566,825],{"class":634},[543,1568,668],{"class":642},[543,1570,757],{"class":630},[543,1572,732],{"class":674},[543,1574,1575,1577,1579,1581,1583,1585,1587],{"class":545,"line":718},[543,1576,662],{"class":638},[543,1578,842],{"class":634},[543,1580,668],{"class":642},[543,1582,780],{"class":630},[543,1584,635],{"class":674},[543,1586,851],{"class":634},[543,1588,715],{"class":674},[543,1590,1591],{"class":545,"line":735},[543,1592,1594],{"class":1593},"sHwdD","  \u002F\u002F ...\n",[543,1596,1597,1599],{"class":545,"line":860},[543,1598,738],{"class":642},[543,1600,715],{"class":634},[533,1602,1604],{"className":613,"code":1603,"filename":241,"language":616,"meta":539,"style":539},"import { createAILogger } from 'evlog\u002Fai'\n\napp.post('\u002Fapi\u002Fchat', (req, res) => {\n  const ai = createAILogger(req.log)\n  \u002F\u002F 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