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model",[592,768,769],{"class":602},":",[592,771,724],{"class":606},[592,773,564],{"class":602},[592,775,776],{"class":669},"wrap",[592,778,673],{"class":711},[592,780,781],{"class":602},"'",[592,783,784],{"class":619},"anthropic\u002Fclaude-sonnet-4.6",[592,786,781],{"class":602},[592,788,687],{"class":711},[592,790,791],{"class":602},",\n",[592,793,795,798,800,802,805,807,810],{"class":594,"line":794},10,[592,796,797],{"class":711},"    tools",[592,799,769],{"class":602},[592,801,603],{"class":602},[592,803,804],{"class":606}," getWeather",[592,806,636],{"class":602},[592,808,809],{"class":606}," searchDB",[592,811,812],{"class":602}," },\n",[592,814,816,819,821],{"class":594,"line":815},11,[592,817,818],{"class":711},"    telemetry",[592,820,769],{"class":602},[592,822,693],{"class":602},[592,824,826,829,831,834,837,839,841,844],{"class":594,"line":825},12,[592,827,828],{"class":711},"      integrations",[592,830,769],{"class":602},[592,832,833],{"class":711}," 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timing:",[582,900,905],{"className":901,"code":902,"filename":903,"language":904,"meta":588,"style":588},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"ai\": {\n    \"calls\": 2,\n    \"steps\": 2,\n    \"model\": \"claude-sonnet-4.6\",\n    \"provider\": \"anthropic\",\n    \"inputTokens\": 3500,\n    \"outputTokens\": 800,\n    \"totalTokens\": 4300,\n    \"toolCalls\": [\"getWeather\", \"searchDB\"],\n    \"tools\": [\n      { \"name\": \"getWeather\", \"durationMs\": 150, \"success\": true },\n      { \"name\": \"searchDB\", \"durationMs\": 45, \"success\": true }\n    ],\n    \"totalDurationMs\": 2340,\n    \"msToFirstChunk\": 180,\n    \"msToFinish\": 2100,\n    \"tokensPerSecond\": 380\n  }\n}\n","Wide Event","json",[535,906,907,911,925,944,959,980,1000,1016,1032,1048,1080,1094,1144,1189,1194,1210,1226,1242,1257,1263],{"__ignoreMap":588},[592,908,909],{"class":594,"line":595},[592,910,760],{"class":602},[592,912,913,916,918,921,923],{"class":594,"line":626},[592,914,915],{"class":602},"  \"",[592,917,620],{"class":676},[592,919,920],{"class":602},"\"",[592,922,769],{"class":602},[592,924,693],{"class":602},[592,926,927,930,934,936,938,942],{"class":594,"line":653},[592,928,929],{"class":602},"    \"",[592,931,933],{"class":932},"sBMFI","calls",[592,935,920],{"class":602},[592,937,769],{"class":602},[592,939,941],{"class":940},"sbssI"," 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800",[592,1031,791],{"class":602},[592,1033,1034,1036,1039,1041,1043,1046],{"class":594,"line":763},[592,1035,929],{"class":602},[592,1037,1038],{"class":932},"totalTokens",[592,1040,920],{"class":602},[592,1042,769],{"class":602},[592,1044,1045],{"class":940}," 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],\n",[592,1195,1196,1198,1201,1203,1205,1208],{"class":594,"line":862},[592,1197,929],{"class":602},[592,1199,1200],{"class":932},"totalDurationMs",[592,1202,920],{"class":602},[592,1204,769],{"class":602},[592,1206,1207],{"class":940}," 2340",[592,1209,791],{"class":602},[592,1211,1212,1214,1217,1219,1221,1224],{"class":594,"line":867},[592,1213,929],{"class":602},[592,1215,1216],{"class":932},"msToFirstChunk",[592,1218,920],{"class":602},[592,1220,769],{"class":602},[592,1222,1223],{"class":940}," 180",[592,1225,791],{"class":602},[592,1227,1228,1230,1233,1235,1237,1240],{"class":594,"line":890},[592,1229,929],{"class":602},[592,1231,1232],{"class":932},"msToFinish",[592,1234,920],{"class":602},[592,1236,769],{"class":602},[592,1238,1239],{"class":940}," 2100",[592,1241,791],{"class":602},[592,1243,1245,1247,1250,1252,1254],{"class":594,"line":1244},18,[592,1246,929],{"class":602},[592,1248,1249],{"class":932},"tokensPerSecond",[592,1251,920],{"class":602},[592,1253,769],{"class":602},[592,1255,1256],{"class":940}," 380\n",[592,1258,1260],{"class":594,"line":1259},19,[592,1261,1262],{"class":602},"  }\n",[592,1264,1266],{"class":594,"line":1265},20,[592,1267,1268],{"class":602},"}\n",[566,1270,1272],{"id":1271},"standalone-without-middleware","Standalone (without middleware)",[532,1274,1275],{},"If your model is already wrapped (e.g. by another middleware), pass the request logger directly:",[582,1277,1280],{"className":584,"code":1278,"filename":1279,"language":587,"meta":588,"style":588},"import { createEvlogIntegration } from 'evlog\u002Fai'\n\nconst integration = createEvlogIntegration(log)\n\nconst result = await generateText({\n  model: somePreWrappedModel,\n  telemetry: {\n    integrations: [integration],\n  },\n})\n","server\u002Fapi\u002Fchat.post.ts",[535,1281,1282,1300,1304,1320,1324,1341,1353,1362,1374,1379],{"__ignoreMap":588},[592,1283,1284,1286,1288,1290,1292,1294,1296,1298],{"class":594,"line":595},[592,1285,599],{"class":598},[592,1287,603],{"class":602},[592,1289,639],{"class":606},[592,1291,610],{"class":602},[592,1293,613],{"class":598},[592,1295,616],{"class":602},[592,1297,648],{"class":619},[592,1299,623],{"class":602},[592,1301,1302],{"class":594,"line":626},[592,1303,657],{"emptyLinePlaceholder":656},[592,1305,1306,1309,1312,1315,1317],{"class":594,"line":653},[592,1307,1308],{"class":676},"const",[592,1310,1311],{"class":606}," integration ",[592,1313,1314],{"class":602},"=",[592,1316,639],{"class":669},[592,1318,1319],{"class":606},"(log)\n",[592,1321,1322],{"class":594,"line":660},[592,1323,657],{"emptyLinePlaceholder":656},[592,1325,1326,1328,1331,1333,1335,1337,1339],{"class":594,"line":696},[592,1327,1308],{"class":676},[592,1329,1330],{"class":606}," result ",[592,1332,1314],{"class":602},[592,1334,753],{"class":598},[592,1336,607],{"class":669},[592,1338,673],{"class":606},[592,1340,760],{"class":602},[592,1342,1343,1346,1348,1351],{"class":594,"line":719},[592,1344,1345],{"class":711},"  model",[592,1347,769],{"class":602},[592,1349,1350],{"class":606}," somePreWrappedModel",[592,1352,791],{"class":602},[592,1354,1355,1358,1360],{"class":594,"line":738},[592,1356,1357],{"class":711},"  telemetry",[592,1359,769],{"class":602},[592,1361,693],{"class":602},[592,1363,1364,1367,1369,1372],{"class":594,"line":743},[592,1365,1366],{"class":711},"    integrations",[592,1368,769],{"class":602},[592,1370,1371],{"class":606}," [integration]",[592,1373,791],{"class":602},[592,1375,1376],{"class":594,"line":763},[592,1377,1378],{"class":602},"  },\n",[592,1380,1381,1383],{"class":594,"line":794},[592,1382,893],{"class":602},[592,1384,716],{"class":606},[566,1386,1388],{"id":1387},"what-the-integration-captures","What the integration captures",[1390,1391,1392,1408],"table",{},[1393,1394,1395],"thead",{},[1396,1397,1398,1402,1405],"tr",{},[1399,1400,1401],"th",{},"Data",[1399,1403,1404],{},"Source",[1399,1406,1407],{},"Description",[1409,1410,1411,1444,1466,1489,1503],"tbody",{},[1396,1412,1413,1419,1429],{},[1414,1415,1416],"td",{},[535,1417,1418],{},"ai.tools[]",[1414,1420,1421,1424,1425,1428],{},[535,1422,1423],{},"onToolExecutionEnd"," (v7) \u002F ",[535,1426,1427],{},"onToolCallFinish"," (v6)",[1414,1430,1431,1432,1434,1435,1434,1437,1439,1440,1443],{},"Per-tool ",[535,1433,1103],{},", ",[535,1436,1120],{},[535,1438,1134],{},", and ",[535,1441,1442],{},"error"," (if failed)",[1396,1445,1446,1451,1463],{},[1414,1447,1448],{},[535,1449,1450],{},"ai.totalDurationMs",[1414,1452,1453,1456,1457,1424,1460,1428],{},[535,1454,1455],{},"onStart"," → ",[535,1458,1459],{},"onEnd",[535,1461,1462],{},"onFinish",[1414,1464,1465],{},"Total wall time from generation start to completion",[1396,1467,1468,1473,1478],{},[1414,1469,1470],{},[535,1471,1472],{},"ai.embedding",[1414,1474,1475,1477],{},[535,1476,555],{}," (v7)",[1414,1479,1480,1481,1484,1485,1488],{},"Auto-captured from ",[535,1482,1483],{},"embed()"," \u002F ",[535,1486,1487],{},"embedMany()"," when telemetry is enabled",[1396,1490,1491,1496,1500],{},[1414,1492,1493],{},[535,1494,1495],{},"ai.finishReason: 'abort'",[1414,1497,1498,1477],{},[535,1499,559],{},[1414,1501,1502],{},"Set when a streaming generation is aborted",[1396,1504,1505,1510,1516],{},[1414,1506,1507],{},[535,1508,1509],{},"ai.error",[1414,1511,1512,1484,1514,1477],{},[535,1513,559],{},[535,1515,563],{},[1414,1517,1518],{},"Abort reason or unrecoverable generation error",[532,1520,1521],{},"The middleware captures tokens, model info, and streaming metrics. The integration captures tool execution timing. Together, they give you complete AI observability.",[566,1523,1525],{"id":1524},"composability","Composability",[532,1527,1528,1531,1532,769],{},[535,1529,1530],{},"ai.wrap()"," works with models that are already wrapped by other tools. If you use supermemory, guardrails middleware, or any other model wrapper, pass the wrapped model to ",[535,1533,1530],{},[582,1535,1537],{"className":584,"code":1536,"filename":1279,"language":587,"meta":588,"style":588},"import { createAILogger } from 'evlog\u002Fai'\nimport { withSupermemory } from '@supermemory\u002Ftools\u002Fai-sdk'\nimport { createGateway } from 'ai'\n\nconst gateway = createGateway({ ... })\nconst ai = createAILogger(log)\nconst base = gateway('anthropic\u002Fclaude-sonnet-4.6')\nconst model = ai.wrap(withSupermemory(base, 'your-org-id', { mode: 'full' }))\n",[535,1538,1539,1557,1577,1596,1600,1623,1636,1658],{"__ignoreMap":588},[592,1540,1541,1543,1545,1547,1549,1551,1553,1555],{"class":594,"line":595},[592,1542,599],{"class":598},[592,1544,603],{"class":602},[592,1546,633],{"class":606},[592,1548,610],{"class":602},[592,1550,613],{"class":598},[592,1552,616],{"class":602},[592,1554,648],{"class":619},[592,1556,623],{"class":602},[592,1558,1559,1561,1563,1566,1568,1570,1572,1575],{"class":594,"line":626},[592,1560,599],{"class":598},[592,1562,603],{"class":602},[592,1564,1565],{"class":606}," withSupermemory",[592,1567,610],{"class":602},[592,1569,613],{"class":598},[592,1571,616],{"class":602},[592,1573,1574],{"class":619},"@supermemory\u002Ftools\u002Fai-sdk",[592,1576,623],{"class":602},[592,1578,1579,1581,1583,1586,1588,1590,1592,1594],{"class":594,"line":653},[592,1580,599],{"class":598},[592,1582,603],{"class":602},[592,1584,1585],{"class":606}," createGateway",[592,1587,610],{"class":602},[592,1589,613],{"class":598},[592,1591,616],{"class":602},[592,1593,620],{"class":619},[592,1595,623],{"class":602},[592,1597,1598],{"class":594,"line":660},[592,1599,657],{"emptyLinePlaceholder":656},[592,1601,1602,1604,1607,1609,1611,1613,1616,1619,1621],{"class":594,"line":696},[592,1603,1308],{"class":676},[592,1605,1606],{"class":606}," gateway ",[592,1608,1314],{"class":602},[592,1610,1585],{"class":669},[592,1612,673],{"class":606},[592,1614,1615],{"class":602},"{",[592,1617,1618],{"class":602}," ...",[592,1620,610],{"class":602},[592,1622,716],{"class":606},[592,1624,1625,1627,1630,1632,1634],{"class":594,"line":719},[592,1626,1308],{"class":676},[592,1628,1629],{"class":606}," ai ",[592,1631,1314],{"class":602},[592,1633,633],{"class":669},[592,1635,1319],{"class":606},[592,1637,1638,1640,1643,1645,1648,1650,1652,1654,1656],{"class":594,"line":738},[592,1639,1308],{"class":676},[592,1641,1642],{"class":606}," base ",[592,1644,1314],{"class":602},[592,1646,1647],{"class":669}," gateway",[592,1649,673],{"class":606},[592,1651,781],{"class":602},[592,1653,784],{"class":619},[592,1655,781],{"class":602},[592,1657,716],{"class":606},[592,1659,1660,1662,1665,1667,1669,1671,1673,1675,1678,1681,1683,1685,1688,1690,1692,1694,1697,1699,1701,1704,1706,1708],{"class":594,"line":743},[592,1661,1308],{"class":676},[592,1663,1664],{"class":606}," model ",[592,1666,1314],{"class":602},[592,1668,724],{"class":606},[592,1670,564],{"class":602},[592,1672,776],{"class":669},[592,1674,673],{"class":606},[592,1676,1677],{"class":669},"withSupermemory",[592,1679,1680],{"class":606},"(base",[592,1682,636],{"class":602},[592,1684,616],{"class":602},[592,1686,1687],{"class":619},"your-org-id",[592,1689,781],{"class":602},[592,1691,636],{"class":602},[592,1693,603],{"class":602},[592,1695,1696],{"class":711}," mode",[592,1698,769],{"class":602},[592,1700,616],{"class":602},[592,1702,1703],{"class":619},"full",[592,1705,781],{"class":602},[592,1707,610],{"class":602},[592,1709,1710],{"class":606},"))\n",[532,1712,1713,1714,1717,1718,769],{},"For explicit middleware composition, use ",[535,1715,1716],{},"createAIMiddleware"," to get the raw middleware and compose it yourself via ",[535,1719,1720],{},"wrapLanguageModel",[582,1722,1724],{"className":584,"code":1723,"filename":1279,"language":587,"meta":588,"style":588},"import { createAIMiddleware } from 'evlog\u002Fai'\nimport { wrapLanguageModel } from 'ai'\n\nconst model = wrapLanguageModel({\n  model: base,\n  middleware: [createAIMiddleware(log, { toolInputs: true }), otherMiddleware],\n})\n",[535,1725,1726,1745,1764,1768,1782,1793,1830],{"__ignoreMap":588},[592,1727,1728,1730,1732,1735,1737,1739,1741,1743],{"class":594,"line":595},[592,1729,599],{"class":598},[592,1731,603],{"class":602},[592,1733,1734],{"class":606}," createAIMiddleware",[592,1736,610],{"class":602},[592,1738,613],{"class":598},[592,1740,616],{"class":602},[592,1742,648],{"class":619},[592,1744,623],{"class":602},[592,1746,1747,1749,1751,1754,1756,1758,1760,1762],{"class":594,"line":626},[592,1748,599],{"class":598},[592,1750,603],{"class":602},[592,1752,1753],{"class":606}," wrapLanguageModel",[592,1755,610],{"class":602},[592,1757,613],{"class":598},[592,1759,616],{"class":602},[592,1761,620],{"class":619},[592,1763,623],{"class":602},[592,1765,1766],{"class":594,"line":653},[592,1767,657],{"emptyLinePlaceholder":656},[592,1769,1770,1772,1774,1776,1778,1780],{"class":594,"line":660},[592,1771,1308],{"class":676},[592,1773,1664],{"class":606},[592,1775,1314],{"class":602},[592,1777,1753],{"class":669},[592,1779,673],{"class":606},[592,1781,760],{"class":602},[592,1783,1784,1786,1788,1791],{"class":594,"line":696},[592,1785,1345],{"class":711},[592,1787,769],{"class":602},[592,1789,1790],{"class":606}," base",[592,1792,791],{"class":602},[592,1794,1795,1798,1800,1802,1804,1807,1809,1811,1814,1816,1819,1821,1823,1825,1828],{"class":594,"line":719},[592,1796,1797],{"class":711},"  middleware",[592,1799,769],{"class":602},[592,1801,833],{"class":606},[592,1803,1716],{"class":669},[592,1805,1806],{"class":606},"(log",[592,1808,636],{"class":602},[592,1810,603],{"class":602},[592,1812,1813],{"class":711}," toolInputs",[592,1815,769],{"class":602},[592,1817,1141],{"class":1818},"sfNiH",[592,1820,610],{"class":602},[592,1822,687],{"class":606},[592,1824,636],{"class":602},[592,1826,1827],{"class":606}," otherMiddleware]",[592,1829,791],{"class":602},[592,1831,1832,1834],{"class":594,"line":738},[592,1833,893],{"class":602},[592,1835,716],{"class":606},[532,1837,1838,1840,1841,1843,1844,1846,1847,1850,1851,1853,1854,1856],{},[535,1839,1716],{}," returns the same middleware that ",[535,1842,537],{}," uses internally. The difference: ",[535,1845,1716],{}," does not include ",[535,1848,1849],{},"captureEmbed"," (embedding models don't use middleware). Use ",[535,1852,537],{}," for the full API, ",[535,1855,1716],{}," when you need explicit middleware ordering.",[1858,1859,1860],"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 .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}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 pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}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 .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}",{"title":588,"searchDepth":626,"depth":626,"links":1862},[1863,1864,1865,1866],{"id":568,"depth":626,"text":569},{"id":1271,"depth":626,"text":1272},{"id":1387,"depth":626,"text":1388},{"id":1524,"depth":626,"text":1525},"Add tool execution timing and total wall time with createEvlogIntegration. Compose with other middleware like supermemory or guardrails.","md",[1870,1873],{"label":36,"icon":39,"to":328,"color":1871,"variant":1872},"neutral","subtle",{"label":1874,"icon":334,"to":332,"color":1871,"variant":1872},"Usage Patterns",{},{"title":346,"icon":349},{"title":527,"description":1867},"ljndFprj3-OIEQ_L4eF7jVQc3kYReBFcANknnWBSVgM",[1880,1882],{"title":341,"path":342,"stem":343,"description":1881,"icon":344,"children":-1},"Read AI metadata from your handler — persist it, surface it to end-users, bill against it, or stream incremental progress to the client.",{"title":36,"path":357,"stem":358,"description":1883,"icon":39,"children":-1},"Automatically identify users on every request. Every wide event includes who made the request — userId, user profile, and session metadata — with zero manual work.",1785674476759]