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timing:",[586,904,909],{"className":905,"code":906,"filename":907,"language":908,"meta":592,"style":592},"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",[539,910,911,915,929,948,963,984,1004,1020,1036,1052,1084,1098,1148,1193,1198,1214,1230,1246,1261,1267],{"__ignoreMap":592},[596,912,913],{"class":598,"line":599},[596,914,764],{"class":606},[596,916,917,920,922,925,927],{"class":598,"line":630},[596,918,919],{"class":606},"  \"",[596,921,624],{"class":680},[596,923,924],{"class":606},"\"",[596,926,773],{"class":606},[596,928,697],{"class":606},[596,930,931,934,938,940,942,946],{"class":598,"line":657},[596,932,933],{"class":606},"    \"",[596,935,937],{"class":936},"sBMFI","calls",[596,939,924],{"class":606},[596,941,773],{"class":606},[596,943,945],{"class":944},"sbssI"," 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],\n",[596,1199,1200,1202,1205,1207,1209,1212],{"class":598,"line":866},[596,1201,933],{"class":606},[596,1203,1204],{"class":936},"totalDurationMs",[596,1206,924],{"class":606},[596,1208,773],{"class":606},[596,1210,1211],{"class":944}," 2340",[596,1213,795],{"class":606},[596,1215,1216,1218,1221,1223,1225,1228],{"class":598,"line":871},[596,1217,933],{"class":606},[596,1219,1220],{"class":936},"msToFirstChunk",[596,1222,924],{"class":606},[596,1224,773],{"class":606},[596,1226,1227],{"class":944}," 180",[596,1229,795],{"class":606},[596,1231,1232,1234,1237,1239,1241,1244],{"class":598,"line":894},[596,1233,933],{"class":606},[596,1235,1236],{"class":936},"msToFinish",[596,1238,924],{"class":606},[596,1240,773],{"class":606},[596,1242,1243],{"class":944}," 2100",[596,1245,795],{"class":606},[596,1247,1249,1251,1254,1256,1258],{"class":598,"line":1248},18,[596,1250,933],{"class":606},[596,1252,1253],{"class":936},"tokensPerSecond",[596,1255,924],{"class":606},[596,1257,773],{"class":606},[596,1259,1260],{"class":944}," 380\n",[596,1262,1264],{"class":598,"line":1263},19,[596,1265,1266],{"class":606},"  }\n",[596,1268,1270],{"class":598,"line":1269},20,[596,1271,1272],{"class":606},"}\n",[570,1274,1276],{"id":1275},"standalone-without-middleware","Standalone (without middleware)",[536,1278,1279],{},"If your model is already wrapped (e.g. by another middleware), pass the request logger directly:",[586,1281,1284],{"className":588,"code":1282,"filename":1283,"language":591,"meta":592,"style":592},"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",[539,1285,1286,1304,1308,1324,1328,1345,1357,1366,1378,1383],{"__ignoreMap":592},[596,1287,1288,1290,1292,1294,1296,1298,1300,1302],{"class":598,"line":599},[596,1289,603],{"class":602},[596,1291,607],{"class":606},[596,1293,643],{"class":610},[596,1295,614],{"class":606},[596,1297,617],{"class":602},[596,1299,620],{"class":606},[596,1301,652],{"class":623},[596,1303,627],{"class":606},[596,1305,1306],{"class":598,"line":630},[596,1307,661],{"emptyLinePlaceholder":660},[596,1309,1310,1313,1316,1319,1321],{"class":598,"line":657},[596,1311,1312],{"class":680},"const",[596,1314,1315],{"class":610}," integration ",[596,1317,1318],{"class":606},"=",[596,1320,643],{"class":673},[596,1322,1323],{"class":610},"(log)\n",[596,1325,1326],{"class":598,"line":664},[596,1327,661],{"emptyLinePlaceholder":660},[596,1329,1330,1332,1335,1337,1339,1341,1343],{"class":598,"line":700},[596,1331,1312],{"class":680},[596,1333,1334],{"class":610}," result ",[596,1336,1318],{"class":606},[596,1338,757],{"class":602},[596,1340,611],{"class":673},[596,1342,677],{"class":610},[596,1344,764],{"class":606},[596,1346,1347,1350,1352,1355],{"class":598,"line":723},[596,1348,1349],{"class":715},"  model",[596,1351,773],{"class":606},[596,1353,1354],{"class":610}," somePreWrappedModel",[596,1356,795],{"class":606},[596,1358,1359,1362,1364],{"class":598,"line":742},[596,1360,1361],{"class":715},"  telemetry",[596,1363,773],{"class":606},[596,1365,697],{"class":606},[596,1367,1368,1371,1373,1376],{"class":598,"line":747},[596,1369,1370],{"class":715},"    integrations",[596,1372,773],{"class":606},[596,1374,1375],{"class":610}," [integration]",[596,1377,795],{"class":606},[596,1379,1380],{"class":598,"line":767},[596,1381,1382],{"class":606},"  },\n",[596,1384,1385,1387],{"class":598,"line":798},[596,1386,897],{"class":606},[596,1388,720],{"class":610},[570,1390,1392],{"id":1391},"what-the-integration-captures","What the integration captures",[1394,1395,1396,1412],"table",{},[1397,1398,1399],"thead",{},[1400,1401,1402,1406,1409],"tr",{},[1403,1404,1405],"th",{},"Data",[1403,1407,1408],{},"Source",[1403,1410,1411],{},"Description",[1413,1414,1415,1448,1470,1493,1507],"tbody",{},[1400,1416,1417,1423,1433],{},[1418,1419,1420],"td",{},[539,1421,1422],{},"ai.tools[]",[1418,1424,1425,1428,1429,1432],{},[539,1426,1427],{},"onToolExecutionEnd"," (v7) \u002F ",[539,1430,1431],{},"onToolCallFinish"," (v6)",[1418,1434,1435,1436,1438,1439,1438,1441,1443,1444,1447],{},"Per-tool ",[539,1437,1107],{},", ",[539,1440,1124],{},[539,1442,1138],{},", and ",[539,1445,1446],{},"error"," (if failed)",[1400,1449,1450,1455,1467],{},[1418,1451,1452],{},[539,1453,1454],{},"ai.totalDurationMs",[1418,1456,1457,1460,1461,1428,1464,1432],{},[539,1458,1459],{},"onStart"," → ",[539,1462,1463],{},"onEnd",[539,1465,1466],{},"onFinish",[1418,1468,1469],{},"Total wall time from generation start to completion",[1400,1471,1472,1477,1482],{},[1418,1473,1474],{},[539,1475,1476],{},"ai.embedding",[1418,1478,1479,1481],{},[539,1480,559],{}," (v7)",[1418,1483,1484,1485,1488,1489,1492],{},"Auto-captured from ",[539,1486,1487],{},"embed()"," \u002F ",[539,1490,1491],{},"embedMany()"," when telemetry is enabled",[1400,1494,1495,1500,1504],{},[1418,1496,1497],{},[539,1498,1499],{},"ai.finishReason: 'abort'",[1418,1501,1502,1481],{},[539,1503,563],{},[1418,1505,1506],{},"Set when a streaming generation is aborted",[1400,1508,1509,1514,1520],{},[1418,1510,1511],{},[539,1512,1513],{},"ai.error",[1418,1515,1516,1488,1518,1481],{},[539,1517,563],{},[539,1519,567],{},[1418,1521,1522],{},"Abort reason or unrecoverable generation error",[536,1524,1525],{},"The middleware captures tokens, model info, and streaming metrics. The integration captures tool execution timing. Together, they give you complete AI observability.",[570,1527,1529],{"id":1528},"composability","Composability",[536,1531,1532,1535,1536,773],{},[539,1533,1534],{},"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 ",[539,1537,1534],{},[586,1539,1541],{"className":588,"code":1540,"filename":1283,"language":591,"meta":592,"style":592},"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",[539,1542,1543,1561,1581,1600,1604,1627,1640,1662],{"__ignoreMap":592},[596,1544,1545,1547,1549,1551,1553,1555,1557,1559],{"class":598,"line":599},[596,1546,603],{"class":602},[596,1548,607],{"class":606},[596,1550,637],{"class":610},[596,1552,614],{"class":606},[596,1554,617],{"class":602},[596,1556,620],{"class":606},[596,1558,652],{"class":623},[596,1560,627],{"class":606},[596,1562,1563,1565,1567,1570,1572,1574,1576,1579],{"class":598,"line":630},[596,1564,603],{"class":602},[596,1566,607],{"class":606},[596,1568,1569],{"class":610}," withSupermemory",[596,1571,614],{"class":606},[596,1573,617],{"class":602},[596,1575,620],{"class":606},[596,1577,1578],{"class":623},"@supermemory\u002Ftools\u002Fai-sdk",[596,1580,627],{"class":606},[596,1582,1583,1585,1587,1590,1592,1594,1596,1598],{"class":598,"line":657},[596,1584,603],{"class":602},[596,1586,607],{"class":606},[596,1588,1589],{"class":610}," createGateway",[596,1591,614],{"class":606},[596,1593,617],{"class":602},[596,1595,620],{"class":606},[596,1597,624],{"class":623},[596,1599,627],{"class":606},[596,1601,1602],{"class":598,"line":664},[596,1603,661],{"emptyLinePlaceholder":660},[596,1605,1606,1608,1611,1613,1615,1617,1620,1623,1625],{"class":598,"line":700},[596,1607,1312],{"class":680},[596,1609,1610],{"class":610}," gateway ",[596,1612,1318],{"class":606},[596,1614,1589],{"class":673},[596,1616,677],{"class":610},[596,1618,1619],{"class":606},"{",[596,1621,1622],{"class":606}," ...",[596,1624,614],{"class":606},[596,1626,720],{"class":610},[596,1628,1629,1631,1634,1636,1638],{"class":598,"line":723},[596,1630,1312],{"class":680},[596,1632,1633],{"class":610}," ai ",[596,1635,1318],{"class":606},[596,1637,637],{"class":673},[596,1639,1323],{"class":610},[596,1641,1642,1644,1647,1649,1652,1654,1656,1658,1660],{"class":598,"line":742},[596,1643,1312],{"class":680},[596,1645,1646],{"class":610}," base ",[596,1648,1318],{"class":606},[596,1650,1651],{"class":673}," gateway",[596,1653,677],{"class":610},[596,1655,785],{"class":606},[596,1657,788],{"class":623},[596,1659,785],{"class":606},[596,1661,720],{"class":610},[596,1663,1664,1666,1669,1671,1673,1675,1677,1679,1682,1685,1687,1689,1692,1694,1696,1698,1701,1703,1705,1708,1710,1712],{"class":598,"line":747},[596,1665,1312],{"class":680},[596,1667,1668],{"class":610}," model ",[596,1670,1318],{"class":606},[596,1672,728],{"class":610},[596,1674,568],{"class":606},[596,1676,780],{"class":673},[596,1678,677],{"class":610},[596,1680,1681],{"class":673},"withSupermemory",[596,1683,1684],{"class":610},"(base",[596,1686,640],{"class":606},[596,1688,620],{"class":606},[596,1690,1691],{"class":623},"your-org-id",[596,1693,785],{"class":606},[596,1695,640],{"class":606},[596,1697,607],{"class":606},[596,1699,1700],{"class":715}," mode",[596,1702,773],{"class":606},[596,1704,620],{"class":606},[596,1706,1707],{"class":623},"full",[596,1709,785],{"class":606},[596,1711,614],{"class":606},[596,1713,1714],{"class":610},"))\n",[536,1716,1717,1718,1721,1722,773],{},"For explicit middleware composition, use ",[539,1719,1720],{},"createAIMiddleware"," to get the raw middleware and compose it yourself via ",[539,1723,1724],{},"wrapLanguageModel",[586,1726,1728],{"className":588,"code":1727,"filename":1283,"language":591,"meta":592,"style":592},"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",[539,1729,1730,1749,1768,1772,1786,1797,1834],{"__ignoreMap":592},[596,1731,1732,1734,1736,1739,1741,1743,1745,1747],{"class":598,"line":599},[596,1733,603],{"class":602},[596,1735,607],{"class":606},[596,1737,1738],{"class":610}," createAIMiddleware",[596,1740,614],{"class":606},[596,1742,617],{"class":602},[596,1744,620],{"class":606},[596,1746,652],{"class":623},[596,1748,627],{"class":606},[596,1750,1751,1753,1755,1758,1760,1762,1764,1766],{"class":598,"line":630},[596,1752,603],{"class":602},[596,1754,607],{"class":606},[596,1756,1757],{"class":610}," wrapLanguageModel",[596,1759,614],{"class":606},[596,1761,617],{"class":602},[596,1763,620],{"class":606},[596,1765,624],{"class":623},[596,1767,627],{"class":606},[596,1769,1770],{"class":598,"line":657},[596,1771,661],{"emptyLinePlaceholder":660},[596,1773,1774,1776,1778,1780,1782,1784],{"class":598,"line":664},[596,1775,1312],{"class":680},[596,1777,1668],{"class":610},[596,1779,1318],{"class":606},[596,1781,1757],{"class":673},[596,1783,677],{"class":610},[596,1785,764],{"class":606},[596,1787,1788,1790,1792,1795],{"class":598,"line":700},[596,1789,1349],{"class":715},[596,1791,773],{"class":606},[596,1793,1794],{"class":610}," base",[596,1796,795],{"class":606},[596,1798,1799,1802,1804,1806,1808,1811,1813,1815,1818,1820,1823,1825,1827,1829,1832],{"class":598,"line":723},[596,1800,1801],{"class":715},"  middleware",[596,1803,773],{"class":606},[596,1805,837],{"class":610},[596,1807,1720],{"class":673},[596,1809,1810],{"class":610},"(log",[596,1812,640],{"class":606},[596,1814,607],{"class":606},[596,1816,1817],{"class":715}," toolInputs",[596,1819,773],{"class":606},[596,1821,1145],{"class":1822},"sfNiH",[596,1824,614],{"class":606},[596,1826,691],{"class":610},[596,1828,640],{"class":606},[596,1830,1831],{"class":610}," otherMiddleware]",[596,1833,795],{"class":606},[596,1835,1836,1838],{"class":598,"line":742},[596,1837,897],{"class":606},[596,1839,720],{"class":610},[536,1841,1842,1844,1845,1847,1848,1850,1851,1854,1855,1857,1858,1860],{},[539,1843,1720],{}," returns the same middleware that ",[539,1846,541],{}," uses internally. The difference: ",[539,1849,1720],{}," does not include ",[539,1852,1853],{},"captureEmbed"," (embedding models don't use middleware). Use ",[539,1856,541],{}," for the full API, ",[539,1859,1720],{}," when you need explicit middleware ordering.",[1862,1863,1864],"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":592,"searchDepth":630,"depth":630,"links":1866},[1867,1868,1869,1870],{"id":572,"depth":630,"text":573},{"id":1275,"depth":630,"text":1276},{"id":1391,"depth":630,"text":1392},{"id":1528,"depth":630,"text":1529},"Add tool execution timing and total wall time with createEvlogIntegration. Compose with other middleware like supermemory or guardrails.","md",[1874,1877],{"label":128,"icon":140,"to":324,"color":1875,"variant":1876},"neutral","subtle",{"label":1878,"icon":330,"to":328,"color":1875,"variant":1876},"Usage Patterns",{},{"title":342,"icon":345},{"title":531,"description":1871},"ex3gD9aCgqZ9mEcWocGtvU15qvMsvgp2SIDICg0iDIY",[1884,1886],{"title":337,"path":338,"stem":339,"description":1885,"icon":340,"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":128,"path":353,"stem":354,"description":1887,"icon":140,"children":-1},"Identify the user on authenticated requests, so each wide event carries who made it without a manual log.set call.",1786794218568]