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shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add ai\n","pnpm","bash","",[535,612,613],{"__ignoreMap":610},[614,615,618,621,625],"span",{"class":616,"line":617},"line",1,[614,619,608],{"class":620},"sBMFI",[614,622,624],{"class":623},"sfazB"," add",[614,626,627],{"class":623}," ai\n",[604,629,632],{"className":606,"code":630,"filename":631,"language":609,"meta":610,"style":610},"bun add ai\n","bun",[535,633,634],{"__ignoreMap":610},[614,635,636,638,640],{"class":616,"line":617},[614,637,631],{"class":620},[614,639,624],{"class":623},[614,641,627],{"class":623},[604,643,646],{"className":606,"code":644,"filename":645,"language":609,"meta":610,"style":610},"yarn add ai\n","yarn",[535,647,648],{"__ignoreMap":610},[614,649,650,652,654],{"class":616,"line":617},[614,651,645],{"class":620},[614,653,624],{"class":623},[614,655,627],{"class":623},[604,657,660],{"className":606,"code":658,"filename":659,"language":609,"meta":610,"style":610},"npm install ai\n","npm",[535,661,662],{"__ignoreMap":610},[614,663,664,666,669],{"class":616,"line":617},[614,665,659],{"class":620},[614,667,668],{"class":623}," install",[614,670,627],{"class":623},[593,672,25],{"id":673},"quick-start",[675,676],"ai-sdk-wide-event",{},[532,678,679],{},"Two lines to add, one param to change:",[601,681,682,812],{},[604,683,688],{"className":684,"code":685,"filename":686,"language":687,"meta":610,"style":610},"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",[535,689,690,728,749,770,778,787,804],{"__ignoreMap":610},[614,691,692,696,699,703,707,711,715,719,722,725],{"class":616,"line":617},[614,693,695],{"class":694},"s7zQu","export",[614,697,698],{"class":694}," default",[614,700,702],{"class":701},"s2Zo4"," defineEventHandler",[614,704,706],{"class":705},"sTEyZ","(",[614,708,710],{"class":709},"spNyl","async",[614,712,714],{"class":713},"sMK4o"," (",[614,716,718],{"class":717},"sHdIc","event",[614,720,721],{"class":713},")",[614,723,724],{"class":709}," =>",[614,726,727],{"class":713}," {\n",[614,729,731,734,737,740,743,746],{"class":616,"line":730},2,[614,732,733],{"class":709},"  const",[614,735,736],{"class":705}," result",[614,738,739],{"class":713}," =",[614,741,742],{"class":701}," streamText",[614,744,706],{"class":745},"swJcz",[614,747,748],{"class":713},"{\n",[614,750,752,755,758,761,764,767],{"class":616,"line":751},3,[614,753,754],{"class":745},"    model",[614,756,757],{"class":713},":",[614,759,760],{"class":713}," '",[614,762,763],{"class":623},"anthropic\u002Fclaude-sonnet-4.6",[614,765,766],{"class":713},"'",[614,768,769],{"class":713},",\n",[614,771,773,776],{"class":616,"line":772},4,[614,774,775],{"class":705},"    messages",[614,777,769],{"class":713},[614,779,781,784],{"class":616,"line":780},5,[614,782,783],{"class":713},"  }",[614,785,786],{"class":745},")\n",[614,788,790,793,795,798,801],{"class":616,"line":789},6,[614,791,792],{"class":694},"  return",[614,794,736],{"class":705},[614,796,797],{"class":713},".",[614,799,800],{"class":701},"toTextStreamResponse",[614,802,803],{"class":745},"()\n",[614,805,807,810],{"class":616,"line":806},7,[614,808,809],{"class":713},"}",[614,811,786],{"class":705},[604,813,816],{"className":684,"code":814,"filename":815,"language":687,"meta":610,"style":610},"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",[535,817,818,843,862,868,890,907,925,929,944,970,977,984,997],{"__ignoreMap":610},[614,819,820,823,826,829,832,835,837,840],{"class":616,"line":617},[614,821,822],{"class":694},"import",[614,824,825],{"class":713}," {",[614,827,828],{"class":705}," useLogger",[614,830,831],{"class":713}," }",[614,833,834],{"class":694}," from",[614,836,760],{"class":713},[614,838,839],{"class":623},"evlog",[614,841,842],{"class":713},"'\n",[614,844,845,847,849,852,854,856,858,860],{"class":616,"line":730},[614,846,822],{"class":694},[614,848,825],{"class":713},[614,850,851],{"class":705}," createAILogger",[614,853,831],{"class":713},[614,855,834],{"class":694},[614,857,760],{"class":713},[614,859,537],{"class":623},[614,861,842],{"class":713},[614,863,864],{"class":616,"line":751},[614,865,867],{"emptyLinePlaceholder":866},true,"\n",[614,869,870,872,874,876,878,880,882,884,886,888],{"class":616,"line":772},[614,871,695],{"class":694},[614,873,698],{"class":694},[614,875,702],{"class":701},[614,877,706],{"class":705},[614,879,710],{"class":709},[614,881,714],{"class":713},[614,883,718],{"class":717},[614,885,721],{"class":713},[614,887,724],{"class":709},[614,889,727],{"class":713},[614,891,892,894,897,899,901,903,905],{"class":616,"line":780},[614,893,733],{"class":709},[614,895,896],{"class":705}," log",[614,898,739],{"class":713},[614,900,828],{"class":701},[614,902,706],{"class":745},[614,904,718],{"class":705},[614,906,786],{"class":745},[614,908,909,911,914,916,918,920,923],{"class":616,"line":789},[614,910,733],{"class":709},[614,912,913],{"class":705}," ai",[614,915,739],{"class":713},[614,917,851],{"class":701},[614,919,706],{"class":745},[614,921,922],{"class":705},"log",[614,924,786],{"class":745},[614,926,927],{"class":616,"line":806},[614,928,867],{"emptyLinePlaceholder":866},[614,930,932,934,936,938,940,942],{"class":616,"line":931},8,[614,933,733],{"class":709},[614,935,736],{"class":705},[614,937,739],{"class":713},[614,939,742],{"class":701},[614,941,706],{"class":745},[614,943,748],{"class":713},[614,945,947,949,951,953,955,958,960,962,964,966,968],{"class":616,"line":946},9,[614,948,754],{"class":745},[614,950,757],{"class":713},[614,952,913],{"class":705},[614,954,797],{"class":713},[614,956,957],{"class":701},"wrap",[614,959,706],{"class":745},[614,961,766],{"class":713},[614,963,763],{"class":623},[614,965,766],{"class":713},[614,967,721],{"class":745},[614,969,769],{"class":713},[614,971,973,975],{"class":616,"line":972},10,[614,974,775],{"class":705},[614,976,769],{"class":713},[614,978,980,982],{"class":616,"line":979},11,[614,981,783],{"class":713},[614,983,786],{"class":745},[614,985,987,989,991,993,995],{"class":616,"line":986},12,[614,988,792],{"class":694},[614,990,736],{"class":705},[614,992,797],{"class":713},[614,994,800],{"class":701},[614,996,803],{"class":745},[614,998,1000,1002],{"class":616,"line":999},13,[614,1001,809],{"class":713},[614,1003,786],{"class":705},[532,1005,1006],{},"Your wide event now includes:",[604,1008,1013],{"className":1009,"code":1010,"filename":1011,"language":1012,"meta":610,"style":610},"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  \"durationMs\": 4512,\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",[535,1014,1015,1019,1042,1062,1079,1099,1115,1128,1145,1165,1185,1201,1217,1233,1250,1271,1288,1305,1320,1326],{"__ignoreMap":610},[614,1016,1017],{"class":616,"line":617},[614,1018,748],{"class":713},[614,1020,1021,1024,1027,1030,1032,1035,1038,1040],{"class":616,"line":730},[614,1022,1023],{"class":713},"  \"",[614,1025,1026],{"class":709},"method",[614,1028,1029],{"class":713},"\"",[614,1031,757],{"class":713},[614,1033,1034],{"class":713}," \"",[614,1036,1037],{"class":623},"POST",[614,1039,1029],{"class":713},[614,1041,769],{"class":713},[614,1043,1044,1046,1049,1051,1053,1055,1058,1060],{"class":616,"line":751},[614,1045,1023],{"class":713},[614,1047,1048],{"class":709},"path",[614,1050,1029],{"class":713},[614,1052,757],{"class":713},[614,1054,1034],{"class":713},[614,1056,1057],{"class":623},"\u002Fapi\u002Fchat",[614,1059,1029],{"class":713},[614,1061,769],{"class":713},[614,1063,1064,1066,1069,1071,1073,1077],{"class":616,"line":772},[614,1065,1023],{"class":713},[614,1067,1068],{"class":709},"status",[614,1070,1029],{"class":713},[614,1072,757],{"class":713},[614,1074,1076],{"class":1075},"sbssI"," 200",[614,1078,769],{"class":713},[614,1080,1081,1083,1086,1088,1090,1092,1095,1097],{"class":616,"line":780},[614,1082,1023],{"class":713},[614,1084,1085],{"class":709},"duration",[614,1087,1029],{"class":713},[614,1089,757],{"class":713},[614,1091,1034],{"class":713},[614,1093,1094],{"class":623},"4.5s",[614,1096,1029],{"class":713},[614,1098,769],{"class":713},[614,1100,1101,1103,1106,1108,1110,1113],{"class":616,"line":789},[614,1102,1023],{"class":713},[614,1104,1105],{"class":709},"durationMs",[614,1107,1029],{"class":713},[614,1109,757],{"class":713},[614,1111,1112],{"class":1075}," 4512",[614,1114,769],{"class":713},[614,1116,1117,1119,1122,1124,1126],{"class":616,"line":806},[614,1118,1023],{"class":713},[614,1120,1121],{"class":709},"ai",[614,1123,1029],{"class":713},[614,1125,757],{"class":713},[614,1127,727],{"class":713},[614,1129,1130,1133,1136,1138,1140,1143],{"class":616,"line":931},[614,1131,1132],{"class":713},"    \"",[614,1134,1135],{"class":620},"calls",[614,1137,1029],{"class":713},[614,1139,757],{"class":713},[614,1141,1142],{"class":1075}," 1",[614,1144,769],{"class":713},[614,1146,1147,1149,1152,1154,1156,1158,1161,1163],{"class":616,"line":946},[614,1148,1132],{"class":713},[614,1150,1151],{"class":620},"model",[614,1153,1029],{"class":713},[614,1155,757],{"class":713},[614,1157,1034],{"class":713},[614,1159,1160],{"class":623},"claude-sonnet-4.6",[614,1162,1029],{"class":713},[614,1164,769],{"class":713},[614,1166,1167,1169,1172,1174,1176,1178,1181,1183],{"class":616,"line":972},[614,1168,1132],{"class":713},[614,1170,1171],{"class":620},"provider",[614,1173,1029],{"class":713},[614,1175,757],{"class":713},[614,1177,1034],{"class":713},[614,1179,1180],{"class":623},"anthropic",[614,1182,1029],{"class":713},[614,1184,769],{"class":713},[614,1186,1187,1189,1192,1194,1196,1199],{"class":616,"line":979},[614,1188,1132],{"class":713},[614,1190,1191],{"class":620},"inputTokens",[614,1193,1029],{"class":713},[614,1195,757],{"class":713},[614,1197,1198],{"class":1075}," 3312",[614,1200,769],{"class":713},[614,1202,1203,1205,1208,1210,1212,1215],{"class":616,"line":986},[614,1204,1132],{"class":713},[614,1206,1207],{"class":620},"outputTokens",[614,1209,1029],{"class":713},[614,1211,757],{"class":713},[614,1213,1214],{"class":1075}," 814",[614,1216,769],{"class":713},[614,1218,1219,1221,1224,1226,1228,1231],{"class":616,"line":999},[614,1220,1132],{"class":713},[614,1222,1223],{"class":620},"totalTokens",[614,1225,1029],{"class":713},[614,1227,757],{"class":713},[614,1229,1230],{"class":1075}," 4126",[614,1232,769],{"class":713},[614,1234,1236,1238,1241,1243,1245,1248],{"class":616,"line":1235},14,[614,1237,1132],{"class":713},[614,1239,1240],{"class":620},"reasoningTokens",[614,1242,1029],{"class":713},[614,1244,757],{"class":713},[614,1246,1247],{"class":1075}," 225",[614,1249,769],{"class":713},[614,1251,1253,1255,1258,1260,1262,1264,1267,1269],{"class":616,"line":1252},15,[614,1254,1132],{"class":713},[614,1256,1257],{"class":620},"finishReason",[614,1259,1029],{"class":713},[614,1261,757],{"class":713},[614,1263,1034],{"class":713},[614,1265,1266],{"class":623},"stop",[614,1268,1029],{"class":713},[614,1270,769],{"class":713},[614,1272,1274,1276,1279,1281,1283,1286],{"class":616,"line":1273},16,[614,1275,1132],{"class":713},[614,1277,1278],{"class":620},"msToFirstChunk",[614,1280,1029],{"class":713},[614,1282,757],{"class":713},[614,1284,1285],{"class":1075}," 234",[614,1287,769],{"class":713},[614,1289,1291,1293,1296,1298,1300,1303],{"class":616,"line":1290},17,[614,1292,1132],{"class":713},[614,1294,1295],{"class":620},"msToFinish",[614,1297,1029],{"class":713},[614,1299,757],{"class":713},[614,1301,1302],{"class":1075}," 4500",[614,1304,769],{"class":713},[614,1306,1308,1310,1313,1315,1317],{"class":616,"line":1307},18,[614,1309,1132],{"class":713},[614,1311,1312],{"class":620},"tokensPerSecond",[614,1314,1029],{"class":713},[614,1316,757],{"class":713},[614,1318,1319],{"class":1075}," 180\n",[614,1321,1323],{"class":616,"line":1322},19,[614,1324,1325],{"class":713},"  }\n",[614,1327,1329],{"class":616,"line":1328},20,[614,1330,1331],{"class":713},"}\n",[593,1333,1335],{"id":1334},"how-it-works","How It Works",[532,1337,1338,1341,1342,1345],{},[535,1339,1340],{},"createAILogger(log, options?)"," returns an ",[535,1343,1344],{},"AILogger"," with the following methods:",[1347,1348,1349,1362],"table",{},[1350,1351,1352],"thead",{},[1353,1354,1355,1359],"tr",{},[1356,1357,1358],"th",{},"Method",[1356,1360,1361],{},"Description",[1363,1364,1365,1399,1417,1430,1444],"tbody",{},[1353,1366,1367,1373],{},[1368,1369,1370],"td",{},[535,1371,1372],{},"wrap(model)",[1368,1374,1375,1376,1379,1380,1383,1384,1387,1388,1391,1392,1395,1396,797],{},"Wraps a language model with middleware. Accepts a model string (e.g. ",[535,1377,1378],{},"'anthropic\u002Fclaude-sonnet-4.6'",") or a ",[535,1381,1382],{},"LanguageModelV3"," \u002F ",[535,1385,1386],{},"LanguageModelV4"," object. Works with ",[535,1389,1390],{},"generateText",", ",[535,1393,1394],{},"streamText",", and ",[535,1397,1398],{},"ToolLoopAgent",[1353,1400,1401,1406],{},[1368,1402,1403],{},[535,1404,1405],{},"captureEmbed(result)",[1368,1407,1408,1409,1412,1413,1416],{},"Manually captures token usage, model info, and dimensions from ",[535,1410,1411],{},"embed()"," or ",[535,1414,1415],{},"embedMany()"," results.",[1353,1418,1419,1424],{},[1368,1420,1421],{},[535,1422,1423],{},"getMetadata()",[1368,1425,1426,1427,797],{},"Returns a snapshot of the current execution metadata. See ",[582,1428,1429],{"href":342},"Access Metadata",[1353,1431,1432,1437],{},[1368,1433,1434],{},[535,1435,1436],{},"getEstimatedCost()",[1368,1438,1439,1440,1443],{},"Returns the current estimated cost in dollars when a ",[535,1441,1442],{},"cost"," map is configured.",[1353,1445,1446,1451],{},[1368,1447,1448],{},[535,1449,1450],{},"onUpdate(callback)",[1368,1452,1453],{},"Subscribe to metadata updates. Fires on every step, embed, error, and integration finish.",[532,1455,1456],{},"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.",[593,1458,1460],{"id":1459},"where-to-next","Where to next",[1462,1463,1464,1473,1476,1482],"card-group",{},[1465,1466,1468,1391,1470,1472],"card",{"icon":334,"title":1467,"to":332},"Usage Patterns",[535,1469,1394],{},[535,1471,1390],{},", multi-step agents, RAG, multiple models — every common pattern, ready to copy.",[1465,1474,1475],{"icon":339,"title":336,"to":337},"Capture tool inputs (with redaction and truncation), enable cost estimation, and handle errors.",[1465,1477,1478,1479,1481],{"icon":344,"title":1429,"to":342},"Read the captured ",[535,1480,1121],{}," data inside your handler — persist it, bill against it, or stream it to the client.",[1465,1483,1485,1486,1489],{"icon":349,"title":1484,"to":347},"Deeper Telemetry","Add tool execution timing and total wall time with ",[535,1487,1488],{},"createEvlogIntegration",". Compose with other middlewares.",[593,1491,1493],{"id":1492},"works-with-all-frameworks","Works With All Frameworks",[532,1495,1496,1498],{},[535,1497,537],{}," works with any framework that evlog supports:",[601,1500,1501,1576,1693,1786,1882,1971,2041],{},[604,1502,1504],{"className":684,"code":1503,"filename":230,"language":687,"meta":610,"style":610},"import { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nconst log = useLogger(event)\nconst ai = createAILogger(log)\n",[535,1505,1506,1524,1542,1546,1562],{"__ignoreMap":610},[614,1507,1508,1510,1512,1514,1516,1518,1520,1522],{"class":616,"line":617},[614,1509,822],{"class":694},[614,1511,825],{"class":713},[614,1513,828],{"class":705},[614,1515,831],{"class":713},[614,1517,834],{"class":694},[614,1519,760],{"class":713},[614,1521,839],{"class":623},[614,1523,842],{"class":713},[614,1525,1526,1528,1530,1532,1534,1536,1538,1540],{"class":616,"line":730},[614,1527,822],{"class":694},[614,1529,825],{"class":713},[614,1531,851],{"class":705},[614,1533,831],{"class":713},[614,1535,834],{"class":694},[614,1537,760],{"class":713},[614,1539,537],{"class":623},[614,1541,842],{"class":713},[614,1543,1544],{"class":616,"line":751},[614,1545,867],{"emptyLinePlaceholder":866},[614,1547,1548,1551,1554,1557,1559],{"class":616,"line":772},[614,1549,1550],{"class":709},"const",[614,1552,1553],{"class":705}," log 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...\n})\n",[535,1697,1698,1716,1720,1756,1776,1780],{"__ignoreMap":610},[614,1699,1700,1702,1704,1706,1708,1710,1712,1714],{"class":616,"line":617},[614,1701,822],{"class":694},[614,1703,825],{"class":713},[614,1705,851],{"class":705},[614,1707,831],{"class":713},[614,1709,834],{"class":694},[614,1711,760],{"class":713},[614,1713,537],{"class":623},[614,1715,842],{"class":713},[614,1717,1718],{"class":616,"line":730},[614,1719,867],{"emptyLinePlaceholder":866},[614,1721,1722,1725,1727,1730,1732,1734,1736,1738,1740,1742,1745,1747,1750,1752,1754],{"class":616,"line":751},[614,1723,1724],{"class":705},"app",[614,1726,797],{"class":713},[614,1728,1729],{"class":701},"post",[614,1731,706],{"class":705},[614,1733,766],{"class":713},[614,1735,1057],{"class":623},[614,1737,766],{"class":713},[614,1739,1592],{"class":713},[614,1741,714],{"class":713},[614,1743,1744],{"class":717},"req",[614,1746,1592],{"class":713},[614,1748,1749],{"class":717}," 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...\n})\n",[535,1790,1791,1809,1813,1842,1872,1876],{"__ignoreMap":610},[614,1792,1793,1795,1797,1799,1801,1803,1805,1807],{"class":616,"line":617},[614,1794,822],{"class":694},[614,1796,825],{"class":713},[614,1798,851],{"class":705},[614,1800,831],{"class":713},[614,1802,834],{"class":694},[614,1804,760],{"class":713},[614,1806,537],{"class":623},[614,1808,842],{"class":713},[614,1810,1811],{"class":616,"line":730},[614,1812,867],{"emptyLinePlaceholder":866},[614,1814,1815,1817,1819,1821,1823,1825,1827,1829,1831,1833,1836,1838,1840],{"class":616,"line":751},[614,1816,1724],{"class":705},[614,1818,797],{"class":713},[614,1820,1729],{"class":701},[614,1822,706],{"class":705},[614,1824,766],{"class":713},[614,1826,1057],{"class":623},[614,1828,766],{"class":713},[614,1830,1592],{"class":713},[614,1832,714],{"class":713},[614,1834,1835],{"class":717},"c",[614,1837,721],{"class":713},[614,1839,724],{"class":709},[614,1841,727],{"class":713},[614,1843,1844,1846,1848,1850,1852,1854,1856,1858,1861,1863,1865,1867,1869],{"class":616,"line":772},[614,1845,733],{"class":709},[614,1847,913],{"class":705},[614,1849,739],{"class":713},[614,1851,851],{"class":701},[614,1853,706],{"class":745},[614,1855,1835],{"class":705},[614,1857,797],{"class":713},[614,1859,1860],{"class":701},"get",[614,1862,706],{"class":745},[614,1864,766],{"class":713},[614,1866,922],{"class":623},[614,1868,766],{"class":713},[614,1870,1871],{"class":745},"))\n",[614,1873,1874],{"class":616,"line":780},[614,1875,1686],{"class":1685},[614,1877,1878,1880],{"class":616,"line":789},[614,1879,809],{"class":713},[614,1881,786],{"class":705},[604,1883,1885],{"className":684,"code":1884,"filename":270,"language":687,"meta":610,"style":610},"import 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