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The defaults stay quiet, and they stay safe: nothing a model was sent or returned reaches your drain until you ask for it by name.",[590,591,592,611],"table",{},[593,594,595],"thead",{},[596,597,598,602,605,608],"tr",{},[599,600,601],"th",{},"Option",[599,603,604],{},"Type",[599,606,607],{},"Default",[599,609,610],{},"Description",[612,613,614,635,658,679],"tbody",{},[596,615,616,622,627,632],{},[617,618,619],"td",{},[585,620,621],{},"toolInputs",[617,623,624],{},[585,625,626],{},"boolean | ToolInputsOptions",[617,628,629],{},[585,630,631],{},"false",[617,633,634],{},"Capture tool call inputs alongside their names (off by default to avoid leaking sensitive data).",[596,636,637,642,647,651],{},[617,638,639],{},[585,640,641],{},"prompt",[617,643,644],{},[585,645,646],{},"boolean | CaptureOptions",[617,648,649],{},[585,650,631],{},[617,652,653,654,657],{},"Capture the prompt sent to the first model call as ",[585,655,656],{},"ai.prompt"," (off by default to avoid leaking sensitive data).",[596,659,660,665,669,673],{},[617,661,662],{},[585,663,664],{},"output",[617,666,667],{},[585,668,646],{},[617,670,671],{},[585,672,631],{},[617,674,675,676,657],{},"Capture the text generated by the last model call as ",[585,677,678],{},"ai.output",[596,680,681,686,691,696],{},[617,682,683],{},[585,684,685],{},"cost",[617,687,688],{},[585,689,690],{},"Record\u003Cstring, ModelCost>",[617,692,693],{},[585,694,695],{},"undefined",[617,697,698,699,702],{},"Pricing map. Keys are model IDs, values are ",[585,700,701],{},"{ input, output }"," in dollars per 1M tokens.",[704,705,707],"h2",{"id":706},"tool-inputs","Tool Inputs",[582,709,710,711,714,715,718,719,721],{},"By default, ",[585,712,713],{},"ai.toolCalls"," is a ",[585,716,717],{},"string[]"," of tool names. Enable ",[585,720,621],{}," to capture inputs too, which suits debugging agent behaviour or auditing what data the model reached for.",[723,724,725,726,729,730,733],"warning",{},"Tool inputs get large, and they carry SQL, API keys and customer PII. Reach for ",[585,727,728],{},"maxLength"," and ",[585,731,732],{},"transform"," before raw capture in production.",[735,736,738],"h3",{"id":737},"capture-everything","Capture everything",[740,741,746],"pre",{"className":742,"code":743,"language":744,"meta":745,"style":745},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","const ai = createAILogger(log, { toolInputs: true })\n","typescript","",[585,747,748],{"__ignoreMap":745},[749,750,753,757,761,765,769,772,775,778,782,785,789,792],"span",{"class":751,"line":752},"line",1,[749,754,756],{"class":755},"spNyl","const",[749,758,760],{"class":759},"sTEyZ"," ai ",[749,762,764],{"class":763},"sMK4o","=",[749,766,768],{"class":767},"s2Zo4"," createAILogger",[749,770,771],{"class":759},"(log",[749,773,774],{"class":763},",",[749,776,777],{"class":763}," {",[749,779,781],{"class":780},"swJcz"," toolInputs",[749,783,784],{"class":763},":",[749,786,788],{"class":787},"sfNiH"," true",[749,790,791],{"class":763}," }",[749,793,794],{"class":759},")\n",[735,796,798],{"id":797},"truncate-long-inputs","Truncate long inputs",[740,800,802],{"className":742,"code":801,"language":744,"meta":745,"style":745},"const ai = createAILogger(log, { toolInputs: { maxLength: 200 } })\n",[585,803,804],{"__ignoreMap":745},[749,805,806,808,810,812,814,816,818,820,822,824,826,829,831,835,837,839],{"class":751,"line":752},[749,807,756],{"class":755},[749,809,760],{"class":759},[749,811,764],{"class":763},[749,813,768],{"class":767},[749,815,771],{"class":759},[749,817,774],{"class":763},[749,819,777],{"class":763},[749,821,781],{"class":780},[749,823,784],{"class":763},[749,825,777],{"class":763},[749,827,828],{"class":780}," maxLength",[749,830,784],{"class":763},[749,832,834],{"class":833},"sbssI"," 200",[749,836,791],{"class":763},[749,838,791],{"class":763},[749,840,794],{"class":759},[735,842,844],{"id":843},"redact-sensitive-fields","Redact sensitive fields",[740,846,848],{"className":742,"code":847,"language":744,"meta":745,"style":745},"const ai = createAILogger(log, {\n  toolInputs: {\n    maxLength: 500,\n    transform: (input, toolName) => {\n      if (toolName === 'queryDB') return { sql: '***' }\n      return input\n    },\n  },\n})\n",[585,849,850,867,877,891,919,967,976,982,988],{"__ignoreMap":745},[749,851,852,854,856,858,860,862,864],{"class":751,"line":752},[749,853,756],{"class":755},[749,855,760],{"class":759},[749,857,764],{"class":763},[749,859,768],{"class":767},[749,861,771],{"class":759},[749,863,774],{"class":763},[749,865,866],{"class":763}," {\n",[749,868,870,873,875],{"class":751,"line":869},2,[749,871,872],{"class":780},"  toolInputs",[749,874,784],{"class":763},[749,876,866],{"class":763},[749,878,880,883,885,888],{"class":751,"line":879},3,[749,881,882],{"class":780},"    maxLength",[749,884,784],{"class":763},[749,886,887],{"class":833}," 500",[749,889,890],{"class":763},",\n",[749,892,894,897,899,902,906,908,911,914,917],{"class":751,"line":893},4,[749,895,896],{"class":767},"    transform",[749,898,784],{"class":763},[749,900,901],{"class":763}," (",[749,903,905],{"class":904},"sHdIc","input",[749,907,774],{"class":763},[749,909,910],{"class":904}," toolName",[749,912,913],{"class":763},")",[749,915,916],{"class":755}," =>",[749,918,866],{"class":763},[749,920,922,926,928,931,934,937,941,944,947,950,952,955,957,959,962,964],{"class":751,"line":921},5,[749,923,925],{"class":924},"s7zQu","      if",[749,927,901],{"class":780},[749,929,930],{"class":759},"toolName",[749,932,933],{"class":763}," ===",[749,935,936],{"class":763}," '",[749,938,940],{"class":939},"sfazB","queryDB",[749,942,943],{"class":763},"'",[749,945,946],{"class":780},") ",[749,948,949],{"class":924},"return",[749,951,777],{"class":763},[749,953,954],{"class":780}," sql",[749,956,784],{"class":763},[749,958,936],{"class":763},[749,960,961],{"class":939},"***",[749,963,943],{"class":763},[749,965,966],{"class":763}," }\n",[749,968,970,973],{"class":751,"line":969},6,[749,971,972],{"class":924},"      return",[749,974,975],{"class":759}," input\n",[749,977,979],{"class":751,"line":978},7,[749,980,981],{"class":763},"    },\n",[749,983,985],{"class":751,"line":984},8,[749,986,987],{"class":763},"  },\n",[749,989,991,994],{"class":751,"line":990},9,[749,992,993],{"class":763},"}",[749,995,794],{"class":759},[590,997,998,1009],{},[593,999,1000],{},[596,1001,1002,1005,1007],{},[599,1003,1004],{},"Sub-option",[599,1006,604],{},[599,1008,610],{},[612,1010,1011,1029],{},[596,1012,1013,1017,1022],{},[617,1014,1015],{},[585,1016,728],{},[617,1018,1019],{},[585,1020,1021],{},"number",[617,1023,1024,1025,1028],{},"Truncate stringified inputs exceeding this character length (appends ",[585,1026,1027],{},"…",").",[596,1030,1031,1035,1040],{},[617,1032,1033],{},[585,1034,732],{},[617,1036,1037],{},[585,1038,1039],{},"(input, toolName) => unknown",[617,1041,1042,1043,1045],{},"Custom transform applied before ",[585,1044,728],{},". Use to redact fields or reshape data.",[582,1047,1048,1049,1051,1052,1054,1055,1058],{},"When ",[585,1050,621],{}," is enabled, ",[585,1053,713],{}," becomes an ",[585,1056,1057],{},"Array\u003C{ name, input }>"," instead of a plain string array.",[704,1060,1062],{"id":1061},"prompt-and-output-capture","Prompt and Output Capture",[582,1064,1065,1066,1068,1069,1071],{},"By default, nothing the model was sent or returned reaches your drain. Two independent options turn capture on, one per direction: ",[585,1067,641],{}," records what was sent, ",[585,1070,664],{}," records what came back. Enable one, the other, or both.",[740,1073,1075],{"className":742,"code":1074,"language":744,"meta":745,"style":745},"const ai = createAILogger(log, { prompt: true, output: true })\n",[585,1076,1077],{"__ignoreMap":745},[749,1078,1079,1081,1083,1085,1087,1089,1091,1093,1096,1098,1100,1102,1105,1107,1109,1111],{"class":751,"line":752},[749,1080,756],{"class":755},[749,1082,760],{"class":759},[749,1084,764],{"class":763},[749,1086,768],{"class":767},[749,1088,771],{"class":759},[749,1090,774],{"class":763},[749,1092,777],{"class":763},[749,1094,1095],{"class":780}," prompt",[749,1097,784],{"class":763},[749,1099,788],{"class":787},[749,1101,774],{"class":763},[749,1103,1104],{"class":780}," output",[749,1106,784],{"class":763},[749,1108,788],{"class":787},[749,1110,791],{"class":763},[749,1112,794],{"class":759},[582,1114,1115],{},"The wide event then carries:",[1117,1118,1119,1142],"ul",{},[1120,1121,1122,1124,1125,1129,1130,1133,1134,1137,1138,1141],"li",{},[585,1123,656],{},": the formatted text of the prompt sent to the ",[1126,1127,1128],"strong",{},"first"," model call. One block per message prefixed with its role; text parts are inlined, and other part types become ",[585,1131,1132],{},"[tool-call name]",", ",[585,1135,1136],{},"[tool-result name]"," or ",[585,1139,1140],{},"[file]"," markers.",[1120,1143,1144,1146,1147,1150],{},[585,1145,678],{},": the text generated by the ",[1126,1148,1149],{},"last"," model call, the final answer in a multi-step run. Streamed responses accumulate from the text chunks.",[582,1152,1153],{},"Capture only the direction you need:",[740,1155,1157],{"className":742,"code":1156,"language":744,"meta":745,"style":745},"const ai = createAILogger(log, { prompt: true }) \u002F\u002F ai.prompt only\nconst ai = createAILogger(log, { output: true }) \u002F\u002F ai.output only\n",[585,1158,1159,1189],{"__ignoreMap":745},[749,1160,1161,1163,1165,1167,1169,1171,1173,1175,1177,1179,1181,1183,1185],{"class":751,"line":752},[749,1162,756],{"class":755},[749,1164,760],{"class":759},[749,1166,764],{"class":763},[749,1168,768],{"class":767},[749,1170,771],{"class":759},[749,1172,774],{"class":763},[749,1174,777],{"class":763},[749,1176,1095],{"class":780},[749,1178,784],{"class":763},[749,1180,788],{"class":787},[749,1182,791],{"class":763},[749,1184,946],{"class":759},[749,1186,1188],{"class":1187},"sHwdD","\u002F\u002F ai.prompt only\n",[749,1190,1191,1193,1195,1197,1199,1201,1203,1205,1207,1209,1211,1213,1215],{"class":751,"line":869},[749,1192,756],{"class":755},[749,1194,760],{"class":759},[749,1196,764],{"class":763},[749,1198,768],{"class":767},[749,1200,771],{"class":759},[749,1202,774],{"class":763},[749,1204,777],{"class":763},[749,1206,1104],{"class":780},[749,1208,784],{"class":763},[749,1210,788],{"class":787},[749,1212,791],{"class":763},[749,1214,946],{"class":759},[749,1216,1217],{"class":1187},"\u002F\u002F ai.output only\n",[723,1219,1220,1221,729,1223,733],{},"Prompts and outputs can be large, and they carry whatever your users typed. Reach for ",[585,1222,728],{},[585,1224,732],{},[735,1226,1228],{"id":1227},"truncate-long-content","Truncate long content",[582,1230,1231,1232,784],{},"Each option takes its own ",[585,1233,728],{},[740,1235,1237],{"className":742,"code":1236,"language":744,"meta":745,"style":745},"const ai = createAILogger(log, { prompt: { maxLength: 500 } })\n",[585,1238,1239],{"__ignoreMap":745},[749,1240,1241,1243,1245,1247,1249,1251,1253,1255,1257,1259,1261,1263,1265,1267,1269,1271],{"class":751,"line":752},[749,1242,756],{"class":755},[749,1244,760],{"class":759},[749,1246,764],{"class":763},[749,1248,768],{"class":767},[749,1250,771],{"class":759},[749,1252,774],{"class":763},[749,1254,777],{"class":763},[749,1256,1095],{"class":780},[749,1258,784],{"class":763},[749,1260,777],{"class":763},[749,1262,828],{"class":780},[749,1264,784],{"class":763},[749,1266,887],{"class":833},[749,1268,791],{"class":763},[749,1270,791],{"class":763},[749,1272,794],{"class":759},[735,1274,1276],{"id":1275},"redact-or-reshape","Redact or reshape",[582,1278,1279,1281,1282,784],{},[585,1280,732],{}," receives the captured text and runs before ",[585,1283,728],{},[740,1285,1287],{"className":742,"code":1286,"language":744,"meta":745,"style":745},"const ai = createAILogger(log, {\n  prompt: {\n    maxLength: 500,\n    transform: text => redact(text),\n  },\n})\n",[585,1288,1289,1305,1314,1324,1343,1347],{"__ignoreMap":745},[749,1290,1291,1293,1295,1297,1299,1301,1303],{"class":751,"line":752},[749,1292,756],{"class":755},[749,1294,760],{"class":759},[749,1296,764],{"class":763},[749,1298,768],{"class":767},[749,1300,771],{"class":759},[749,1302,774],{"class":763},[749,1304,866],{"class":763},[749,1306,1307,1310,1312],{"class":751,"line":869},[749,1308,1309],{"class":780},"  prompt",[749,1311,784],{"class":763},[749,1313,866],{"class":763},[749,1315,1316,1318,1320,1322],{"class":751,"line":879},[749,1317,882],{"class":780},[749,1319,784],{"class":763},[749,1321,887],{"class":833},[749,1323,890],{"class":763},[749,1325,1326,1328,1330,1333,1335,1338,1341],{"class":751,"line":893},[749,1327,896],{"class":767},[749,1329,784],{"class":763},[749,1331,1332],{"class":904}," text",[749,1334,916],{"class":755},[749,1336,1337],{"class":767}," redact",[749,1339,1340],{"class":759},"(text)",[749,1342,890],{"class":763},[749,1344,1345],{"class":751,"line":921},[749,1346,987],{"class":763},[749,1348,1349,1351],{"class":751,"line":969},[749,1350,993],{"class":763},[749,1352,794],{"class":759},[590,1354,1355,1365],{},[593,1356,1357],{},[596,1358,1359,1361,1363],{},[599,1360,1004],{},[599,1362,604],{},[599,1364,610],{},[612,1366,1367,1382],{},[596,1368,1369,1373,1377],{},[617,1370,1371],{},[585,1372,728],{},[617,1374,1375],{},[585,1376,1021],{},[617,1378,1379,1380,1028],{},"Truncate captured text exceeding this character length (appends ",[585,1381,1027],{},[596,1383,1384,1388,1393],{},[617,1385,1386],{},[585,1387,732],{},[617,1389,1390],{},[585,1391,1392],{},"(content) => string",[617,1394,1042,1395,1397],{},[585,1396,728],{},".",[1399,1400,1401,1402,729,1405,1408,1409,1412,1413,729,1415,1417],"note",{},"Prompt and output capture is a middleware capability: it works with ",[585,1403,1404],{},"createAILogger",[585,1406,1407],{},"createAIMiddleware",". The standalone ",[585,1410,1411],{},"createEvlogIntegration"," observes telemetry events and has no access to the model call parameters, so ",[585,1414,656],{},[585,1416,678],{}," stay absent there.",[704,1419,1421],{"id":1420},"cost-estimation","Cost Estimation",[582,1423,1424,1425,1427,1428,1431],{},"Pass a ",[585,1426,685],{}," map to compute estimated dollar cost per call. The middleware multiplies token usage by the per-million rates and sets ",[585,1429,1430],{},"ai.estimatedCost"," on the wide event.",[740,1433,1435],{"className":742,"code":1434,"language":744,"meta":745,"style":745},"const ai = createAILogger(log, {\n  cost: {\n    'claude-sonnet-4.6': { input: 3, output: 15 },\n    'gpt-4o': { input: 2.5, output: 10 },\n  },\n})\n",[585,1436,1437,1453,1462,1496,1527,1531],{"__ignoreMap":745},[749,1438,1439,1441,1443,1445,1447,1449,1451],{"class":751,"line":752},[749,1440,756],{"class":755},[749,1442,760],{"class":759},[749,1444,764],{"class":763},[749,1446,768],{"class":767},[749,1448,771],{"class":759},[749,1450,774],{"class":763},[749,1452,866],{"class":763},[749,1454,1455,1458,1460],{"class":751,"line":869},[749,1456,1457],{"class":780},"  cost",[749,1459,784],{"class":763},[749,1461,866],{"class":763},[749,1463,1464,1467,1470,1472,1474,1476,1479,1481,1484,1486,1488,1490,1493],{"class":751,"line":879},[749,1465,1466],{"class":763},"    '",[749,1468,1469],{"class":780},"claude-sonnet-4.6",[749,1471,943],{"class":763},[749,1473,784],{"class":763},[749,1475,777],{"class":763},[749,1477,1478],{"class":780}," input",[749,1480,784],{"class":763},[749,1482,1483],{"class":833}," 3",[749,1485,774],{"class":763},[749,1487,1104],{"class":780},[749,1489,784],{"class":763},[749,1491,1492],{"class":833}," 15",[749,1494,1495],{"class":763}," },\n",[749,1497,1498,1500,1503,1505,1507,1509,1511,1513,1516,1518,1520,1522,1525],{"class":751,"line":893},[749,1499,1466],{"class":763},[749,1501,1502],{"class":780},"gpt-4o",[749,1504,943],{"class":763},[749,1506,784],{"class":763},[749,1508,777],{"class":763},[749,1510,1478],{"class":780},[749,1512,784],{"class":763},[749,1514,1515],{"class":833}," 2.5",[749,1517,774],{"class":763},[749,1519,1104],{"class":780},[749,1521,784],{"class":763},[749,1523,1524],{"class":833}," 10",[749,1526,1495],{"class":763},[749,1528,1529],{"class":751,"line":921},[749,1530,987],{"class":763},[749,1532,1533,1535],{"class":751,"line":969},[749,1534,993],{"class":763},[749,1536,794],{"class":759},[582,1538,1539,1540,1546],{},"Read the result from your handler with ",[1541,1542,1543],"a",{"href":352},[585,1544,1545],{},"ai.getEstimatedCost()",", which suits billing dashboards or warning users before expensive calls.",[1548,1549,1550,1551,1553],"tip",{},"Keep your ",[585,1552,685],{}," map in one file alongside model selection so renaming a model in production also updates pricing. Per-route maps drift the moment two routes disagree about which model they call, so keep one.",[704,1555,1557],{"id":1556},"error-handling","Error Handling",[582,1559,1560],{},"If a model call fails, the middleware captures the error into the wide event before re-throwing:",[740,1562,1567],{"className":1563,"code":1564,"filename":1565,"language":1566,"meta":745,"style":745},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"ai\": {\n    \"calls\": 1,\n    \"model\": \"claude-sonnet-4.6\",\n    \"provider\": \"anthropic\",\n    \"finishReason\": \"error\",\n    \"error\": \"API rate limit exceeded\"\n  }\n}\n","Wide Event","json",[585,1568,1569,1574,1589,1607,1627,1647,1667,1685,1690],{"__ignoreMap":745},[749,1570,1571],{"class":751,"line":752},[749,1572,1573],{"class":763},"{\n",[749,1575,1576,1579,1582,1585,1587],{"class":751,"line":869},[749,1577,1578],{"class":763},"  \"",[749,1580,1581],{"class":755},"ai",[749,1583,1584],{"class":763},"\"",[749,1586,784],{"class":763},[749,1588,866],{"class":763},[749,1590,1591,1594,1598,1600,1602,1605],{"class":751,"line":879},[749,1592,1593],{"class":763},"    \"",[749,1595,1597],{"class":1596},"sBMFI","calls",[749,1599,1584],{"class":763},[749,1601,784],{"class":763},[749,1603,1604],{"class":833}," 1",[749,1606,890],{"class":763},[749,1608,1609,1611,1614,1616,1618,1621,1623,1625],{"class":751,"line":893},[749,1610,1593],{"class":763},[749,1612,1613],{"class":1596},"model",[749,1615,1584],{"class":763},[749,1617,784],{"class":763},[749,1619,1620],{"class":763}," \"",[749,1622,1469],{"class":939},[749,1624,1584],{"class":763},[749,1626,890],{"class":763},[749,1628,1629,1631,1634,1636,1638,1640,1643,1645],{"class":751,"line":921},[749,1630,1593],{"class":763},[749,1632,1633],{"class":1596},"provider",[749,1635,1584],{"class":763},[749,1637,784],{"class":763},[749,1639,1620],{"class":763},[749,1641,1642],{"class":939},"anthropic",[749,1644,1584],{"class":763},[749,1646,890],{"class":763},[749,1648,1649,1651,1654,1656,1658,1660,1663,1665],{"class":751,"line":969},[749,1650,1593],{"class":763},[749,1652,1653],{"class":1596},"finishReason",[749,1655,1584],{"class":763},[749,1657,784],{"class":763},[749,1659,1620],{"class":763},[749,1661,1662],{"class":939},"error",[749,1664,1584],{"class":763},[749,1666,890],{"class":763},[749,1668,1669,1671,1673,1675,1677,1679,1682],{"class":751,"line":978},[749,1670,1593],{"class":763},[749,1672,1662],{"class":1596},[749,1674,1584],{"class":763},[749,1676,784],{"class":763},[749,1678,1620],{"class":763},[749,1680,1681],{"class":939},"API rate limit exceeded",[749,1683,1684],{"class":763},"\"\n",[749,1686,1687],{"class":751,"line":984},[749,1688,1689],{"class":763},"  }\n",[749,1691,1692],{"class":751,"line":990},[749,1693,1694],{"class":763},"}\n",[582,1696,1697,1698,1701],{},"Stream errors (e.g. content filter) are also captured from the stream's error chunks. 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