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ai\n","npm",[525,651,652],{"__ignoreMap":600},[604,653,654,656,659],{"class":606,"line":607},[604,655,649],{"class":610},[604,657,658],{"class":613}," install",[604,660,617],{"class":613},[583,662,25],{"id":663},"quick-start",[665,666],"ai-sdk-wide-event",{},[522,668,669],{},"Two lines to add, one param to change:",[591,671,672,802],{},[594,673,678],{"className":674,"code":675,"filename":676,"language":677,"meta":600,"style":600},"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",[525,679,680,718,739,760,768,777,794],{"__ignoreMap":600},[604,681,682,686,689,693,697,701,705,709,712,715],{"class":606,"line":607},[604,683,685],{"class":684},"s7zQu","export",[604,687,688],{"class":684}," default",[604,690,692],{"class":691},"s2Zo4"," defineEventHandler",[604,694,696],{"class":695},"sTEyZ","(",[604,698,700],{"class":699},"spNyl","async",[604,702,704],{"class":703},"sMK4o"," (",[604,706,708],{"class":707},"sHdIc","event",[604,710,711],{"class":703},")",[604,713,714],{"class":699}," =>",[604,716,717],{"class":703}," {\n",[604,719,721,724,727,730,733,736],{"class":606,"line":720},2,[604,722,723],{"class":699},"  const",[604,725,726],{"class":695}," result",[604,728,729],{"class":703}," =",[604,731,732],{"class":691}," streamText",[604,734,696],{"class":735},"swJcz",[604,737,738],{"class":703},"{\n",[604,740,742,745,748,751,754,757],{"class":606,"line":741},3,[604,743,744],{"class":735},"    model",[604,746,747],{"class":703},":",[604,749,750],{"class":703}," '",[604,752,753],{"class":613},"anthropic\u002Fclaude-sonnet-4.6",[604,755,756],{"class":703},"'",[604,758,759],{"class":703},",\n",[604,761,763,766],{"class":606,"line":762},4,[604,764,765],{"class":695},"    messages",[604,767,759],{"class":703},[604,769,771,774],{"class":606,"line":770},5,[604,772,773],{"class":703},"  }",[604,775,776],{"class":735},")\n",[604,778,780,783,785,788,791],{"class":606,"line":779},6,[604,781,782],{"class":684},"  return",[604,784,726],{"class":695},[604,786,787],{"class":703},".",[604,789,790],{"class":691},"toTextStreamResponse",[604,792,793],{"class":735},"()\n",[604,795,797,800],{"class":606,"line":796},7,[604,798,799],{"class":703},"}",[604,801,776],{"class":695},[594,803,806],{"className":674,"code":804,"filename":805,"language":677,"meta":600,"style":600},"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",[525,807,808,833,852,858,880,897,915,919,934,960,967,974,987],{"__ignoreMap":600},[604,809,810,813,816,819,822,825,827,830],{"class":606,"line":607},[604,811,812],{"class":684},"import",[604,814,815],{"class":703}," {",[604,817,818],{"class":695}," useLogger",[604,820,821],{"class":703}," }",[604,823,824],{"class":684}," from",[604,826,750],{"class":703},[604,828,829],{"class":613},"evlog",[604,831,832],{"class":703},"'\n",[604,834,835,837,839,842,844,846,848,850],{"class":606,"line":720},[604,836,812],{"class":684},[604,838,815],{"class":703},[604,840,841],{"class":695}," createAILogger",[604,843,821],{"class":703},[604,845,824],{"class":684},[604,847,750],{"class":703},[604,849,527],{"class":613},[604,851,832],{"class":703},[604,853,854],{"class":606,"line":741},[604,855,857],{"emptyLinePlaceholder":856},true,"\n",[604,859,860,862,864,866,868,870,872,874,876,878],{"class":606,"line":762},[604,861,685],{"class":684},[604,863,688],{"class":684},[604,865,692],{"class":691},[604,867,696],{"class":695},[604,869,700],{"class":699},[604,871,704],{"class":703},[604,873,708],{"class":707},[604,875,711],{"class":703},[604,877,714],{"class":699},[604,879,717],{"class":703},[604,881,882,884,887,889,891,893,895],{"class":606,"line":770},[604,883,723],{"class":699},[604,885,886],{"class":695}," log",[604,888,729],{"class":703},[604,890,818],{"class":691},[604,892,696],{"class":735},[604,894,708],{"class":695},[604,896,776],{"class":735},[604,898,899,901,904,906,908,910,913],{"class":606,"line":779},[604,900,723],{"class":699},[604,902,903],{"class":695}," ai",[604,905,729],{"class":703},[604,907,841],{"class":691},[604,909,696],{"class":735},[604,911,912],{"class":695},"log",[604,914,776],{"class":735},[604,916,917],{"class":606,"line":796},[604,918,857],{"emptyLinePlaceholder":856},[604,920,922,924,926,928,930,932],{"class":606,"line":921},8,[604,923,723],{"class":699},[604,925,726],{"class":695},[604,927,729],{"class":703},[604,929,732],{"class":691},[604,931,696],{"class":735},[604,933,738],{"class":703},[604,935,937,939,941,943,945,948,950,952,954,956,958],{"class":606,"line":936},9,[604,938,744],{"class":735},[604,940,747],{"class":703},[604,942,903],{"class":695},[604,944,787],{"class":703},[604,946,947],{"class":691},"wrap",[604,949,696],{"class":735},[604,951,756],{"class":703},[604,953,753],{"class":613},[604,955,756],{"class":703},[604,957,711],{"class":735},[604,959,759],{"class":703},[604,961,963,965],{"class":606,"line":962},10,[604,964,765],{"class":695},[604,966,759],{"class":703},[604,968,970,972],{"class":606,"line":969},11,[604,971,773],{"class":703},[604,973,776],{"class":735},[604,975,977,979,981,983,985],{"class":606,"line":976},12,[604,978,782],{"class":684},[604,980,726],{"class":695},[604,982,787],{"class":703},[604,984,790],{"class":691},[604,986,793],{"class":735},[604,988,990,992],{"class":606,"line":989},13,[604,991,799],{"class":703},[604,993,776],{"class":695},[522,995,996],{},"Your wide event now includes:",[594,998,1003],{"className":999,"code":1000,"filename":1001,"language":1002,"meta":600,"style":600},"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",[525,1004,1005,1009,1032,1052,1069,1089,1102,1119,1139,1159,1175,1191,1207,1223,1244,1261,1278,1293,1299],{"__ignoreMap":600},[604,1006,1007],{"class":606,"line":607},[604,1008,738],{"class":703},[604,1010,1011,1014,1017,1020,1022,1025,1028,1030],{"class":606,"line":720},[604,1012,1013],{"class":703},"  \"",[604,1015,1016],{"class":699},"method",[604,1018,1019],{"class":703},"\"",[604,1021,747],{"class":703},[604,1023,1024],{"class":703}," \"",[604,1026,1027],{"class":613},"POST",[604,1029,1019],{"class":703},[604,1031,759],{"class":703},[604,1033,1034,1036,1039,1041,1043,1045,1048,1050],{"class":606,"line":741},[604,1035,1013],{"class":703},[604,1037,1038],{"class":699},"path",[604,1040,1019],{"class":703},[604,1042,747],{"class":703},[604,1044,1024],{"class":703},[604,1046,1047],{"class":613},"\u002Fapi\u002Fchat",[604,1049,1019],{"class":703},[604,1051,759],{"class":703},[604,1053,1054,1056,1059,1061,1063,1067],{"class":606,"line":762},[604,1055,1013],{"class":703},[604,1057,1058],{"class":699},"status",[604,1060,1019],{"class":703},[604,1062,747],{"class":703},[604,1064,1066],{"class":1065},"sbssI"," 200",[604,1068,759],{"class":703},[604,1070,1071,1073,1076,1078,1080,1082,1085,1087],{"class":606,"line":770},[604,1072,1013],{"class":703},[604,1074,1075],{"class":699},"duration",[604,1077,1019],{"class":703},[604,1079,747],{"class":703},[604,1081,1024],{"class":703},[604,1083,1084],{"class":613},"4.5s",[604,1086,1019],{"class":703},[604,1088,759],{"class":703},[604,1090,1091,1093,1096,1098,1100],{"class":606,"line":779},[604,1092,1013],{"class":703},[604,1094,1095],{"class":699},"ai",[604,1097,1019],{"class":703},[604,1099,747],{"class":703},[604,1101,717],{"class":703},[604,1103,1104,1107,1110,1112,1114,1117],{"class":606,"line":796},[604,1105,1106],{"class":703},"    \"",[604,1108,1109],{"class":610},"calls",[604,1111,1019],{"class":703},[604,1113,747],{"class":703},[604,1115,1116],{"class":1065}," 1",[604,1118,759],{"class":703},[604,1120,1121,1123,1126,1128,1130,1132,1135,1137],{"class":606,"line":921},[604,1122,1106],{"class":703},[604,1124,1125],{"class":610},"model",[604,1127,1019],{"class":703},[604,1129,747],{"class":703},[604,1131,1024],{"class":703},[604,1133,1134],{"class":613},"claude-sonnet-4.6",[604,1136,1019],{"class":703},[604,1138,759],{"class":703},[604,1140,1141,1143,1146,1148,1150,1152,1155,1157],{"class":606,"line":936},[604,1142,1106],{"class":703},[604,1144,1145],{"class":610},"provider",[604,1147,1019],{"class":703},[604,1149,747],{"class":703},[604,1151,1024],{"class":703},[604,1153,1154],{"class":613},"anthropic",[604,1156,1019],{"class":703},[604,1158,759],{"class":703},[604,1160,1161,1163,1166,1168,1170,1173],{"class":606,"line":962},[604,1162,1106],{"class":703},[604,1164,1165],{"class":610},"inputTokens",[604,1167,1019],{"class":703},[604,1169,747],{"class":703},[604,1171,1172],{"class":1065}," 3312",[604,1174,759],{"class":703},[604,1176,1177,1179,1182,1184,1186,1189],{"class":606,"line":969},[604,1178,1106],{"class":703},[604,1180,1181],{"class":610},"outputTokens",[604,1183,1019],{"class":703},[604,1185,747],{"class":703},[604,1187,1188],{"class":1065}," 814",[604,1190,759],{"class":703},[604,1192,1193,1195,1198,1200,1202,1205],{"class":606,"line":976},[604,1194,1106],{"class":703},[604,1196,1197],{"class":610},"totalTokens",[604,1199,1019],{"class":703},[604,1201,747],{"class":703},[604,1203,1204],{"class":1065}," 4126",[604,1206,759],{"class":703},[604,1208,1209,1211,1214,1216,1218,1221],{"class":606,"line":989},[604,1210,1106],{"class":703},[604,1212,1213],{"class":610},"reasoningTokens",[604,1215,1019],{"class":703},[604,1217,747],{"class":703},[604,1219,1220],{"class":1065}," 225",[604,1222,759],{"class":703},[604,1224,1226,1228,1231,1233,1235,1237,1240,1242],{"class":606,"line":1225},14,[604,1227,1106],{"class":703},[604,1229,1230],{"class":610},"finishReason",[604,1232,1019],{"class":703},[604,1234,747],{"class":703},[604,1236,1024],{"class":703},[604,1238,1239],{"class":613},"stop",[604,1241,1019],{"class":703},[604,1243,759],{"class":703},[604,1245,1247,1249,1252,1254,1256,1259],{"class":606,"line":1246},15,[604,1248,1106],{"class":703},[604,1250,1251],{"class":610},"msToFirstChunk",[604,1253,1019],{"class":703},[604,1255,747],{"class":703},[604,1257,1258],{"class":1065}," 234",[604,1260,759],{"class":703},[604,1262,1264,1266,1269,1271,1273,1276],{"class":606,"line":1263},16,[604,1265,1106],{"class":703},[604,1267,1268],{"class":610},"msToFinish",[604,1270,1019],{"class":703},[604,1272,747],{"class":703},[604,1274,1275],{"class":1065}," 4500",[604,1277,759],{"class":703},[604,1279,1281,1283,1286,1288,1290],{"class":606,"line":1280},17,[604,1282,1106],{"class":703},[604,1284,1285],{"class":610},"tokensPerSecond",[604,1287,1019],{"class":703},[604,1289,747],{"class":703},[604,1291,1292],{"class":1065}," 180\n",[604,1294,1296],{"class":606,"line":1295},18,[604,1297,1298],{"class":703},"  }\n",[604,1300,1302],{"class":606,"line":1301},19,[604,1303,1304],{"class":703},"}\n",[583,1306,1308],{"id":1307},"how-it-works","How It Works",[522,1310,1311,1314,1315,1318],{},[525,1312,1313],{},"createAILogger(log, options?)"," returns an ",[525,1316,1317],{},"AILogger"," with the following methods:",[1320,1321,1322,1335],"table",{},[1323,1324,1325],"thead",{},[1326,1327,1328,1332],"tr",{},[1329,1330,1331],"th",{},"Method",[1329,1333,1334],{},"Description",[1336,1337,1338,1372,1390,1403,1417],"tbody",{},[1326,1339,1340,1346],{},[1341,1342,1343],"td",{},[525,1344,1345],{},"wrap(model)",[1341,1347,1348,1349,1352,1353,1356,1357,1360,1361,1364,1365,1368,1369,787],{},"Wraps a language model with middleware. Accepts a model string (e.g. ",[525,1350,1351],{},"'anthropic\u002Fclaude-sonnet-4.6'",") or a ",[525,1354,1355],{},"LanguageModelV3"," \u002F ",[525,1358,1359],{},"LanguageModelV4"," object. Works with ",[525,1362,1363],{},"generateText",", ",[525,1366,1367],{},"streamText",", and ",[525,1370,1371],{},"ToolLoopAgent",[1326,1373,1374,1379],{},[1341,1375,1376],{},[525,1377,1378],{},"captureEmbed(result)",[1341,1380,1381,1382,1385,1386,1389],{},"Manually captures token usage, model info, and dimensions from ",[525,1383,1384],{},"embed()"," or ",[525,1387,1388],{},"embedMany()"," results.",[1326,1391,1392,1397],{},[1341,1393,1394],{},[525,1395,1396],{},"getMetadata()",[1341,1398,1399,1400,787],{},"Returns a snapshot of the current execution metadata. See ",[572,1401,1402],{"href":332},"Access Metadata",[1326,1404,1405,1410],{},[1341,1406,1407],{},[525,1408,1409],{},"getEstimatedCost()",[1341,1411,1412,1413,1416],{},"Returns the current estimated cost in dollars when a ",[525,1414,1415],{},"cost"," map is configured.",[1326,1418,1419,1424],{},[1341,1420,1421],{},[525,1422,1423],{},"onUpdate(callback)",[1341,1425,1426],{},"Subscribe to metadata updates. Fires on every step, embed, error, and integration finish.",[522,1428,1429],{},"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.",[583,1431,1433],{"id":1432},"where-to-next","Where to next",[1435,1436,1437,1446,1449,1455],"card-group",{},[1438,1439,1441,1364,1443,1445],"card",{"icon":324,"title":1440,"to":322},"Usage Patterns",[525,1442,1367],{},[525,1444,1363],{},", multi-step agents, RAG, multiple models — every common pattern, ready to copy.",[1438,1447,1448],{"icon":329,"title":326,"to":327},"Capture tool inputs (with redaction and truncation), enable cost estimation, and handle errors.",[1438,1450,1451,1452,1454],{"icon":334,"title":1402,"to":332},"Read the captured ",[525,1453,1095],{}," data inside your handler — persist it, bill against it, or stream it to the client.",[1438,1456,1458,1459,1462],{"icon":339,"title":1457,"to":337},"Deeper Telemetry","Add tool execution timing and total wall time with ",[525,1460,1461],{},"createEvlogIntegration",". Compose with other middlewares.",[583,1464,1466],{"id":1465},"works-with-all-frameworks","Works With All Frameworks",[522,1468,1469,1471],{},[525,1470,527],{}," works with any framework that evlog supports:",[591,1473,1474,1549,1666,1759,1855,1944,2014],{},[594,1475,1477],{"className":674,"code":1476,"filename":220,"language":677,"meta":600,"style":600},"import { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nconst log = useLogger(event)\nconst ai = createAILogger(log)\n",[525,1478,1479,1497,1515,1519,1535],{"__ignoreMap":600},[604,1480,1481,1483,1485,1487,1489,1491,1493,1495],{"class":606,"line":607},[604,1482,812],{"class":684},[604,1484,815],{"class":703},[604,1486,818],{"class":695},[604,1488,821],{"class":703},[604,1490,824],{"class":684},[604,1492,750],{"class":703},[604,1494,829],{"class":613},[604,1496,832],{"class":703},[604,1498,1499,1501,1503,1505,1507,1509,1511,1513],{"class":606,"line":720},[604,1500,812],{"class":684},[604,1502,815],{"class":703},[604,1504,841],{"class":695},[604,1506,821],{"class":703},[604,1508,824],{"class":684},[604,1510,750],{"class":703},[604,1512,527],{"class":613},[604,1514,832],{"class":703},[604,1516,1517],{"class":606,"line":741},[604,1518,857],{"emptyLinePlaceholder":856},[604,1520,1521,1524,1527,1530,1532],{"class":606,"line":762},[604,1522,1523],{"class":699},"const",[604,1525,1526],{"class":695}," log ",[604,1528,1529],{"class":703},"=",[604,1531,818],{"class":691},[604,1533,1534],{"class":695},"(event)\n",[604,1536,1537,1539,1542,1544,1546],{"class":606,"line":770},[604,1538,1523],{"class":699},[604,1540,1541],{"class":695}," ai ",[604,1543,1529],{"class":703},[604,1545,841],{"class":691},[604,1547,1548],{"class":695},"(log)\n",[594,1550,1552],{"className":674,"code":1551,"filename":225,"language":677,"meta":600,"style":600},"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",[525,1553,1554,1579,1597,1601,1626,1638,1654,1660],{"__ignoreMap":600},[604,1555,1556,1558,1560,1563,1566,1568,1570,1572,1574,1577],{"class":606,"line":607},[604,1557,812],{"class":684},[604,1559,815],{"class":703},[604,1561,1562],{"class":695}," 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