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db",[475,800,719],{"class":485},[475,802,803],{"class":489},"aiRuns",[475,805,719],{"class":485},[475,807,808],{"class":566},"insert",[475,810,570],{"class":607},[475,812,706],{"class":485},[475,814,816,819,821,824,826,829,831,834],{"class":477,"line":815},19,[475,817,818],{"class":607},"    userId",[475,820,463],{"class":485},[475,822,823],{"class":489}," event",[475,825,719],{"class":485},[475,827,828],{"class":489},"context",[475,830,719],{"class":485},[475,832,833],{"class":489},"userId",[475,835,736],{"class":485},[475,837,839,841,843,845,847,850],{"class":477,"line":838},20,[475,840,712],{"class":607},[475,842,463],{"class":485},[475,844,773],{"class":489},[475,846,719],{"class":485},[475,848,849],{"class":489},"model",[475,851,736],{"class":485},[475,853,855,858,860,862,864,867],{"class":477,"line":854},21,[475,856,857],{"class":607},"    inputTokens",[475,859,463],{"class":485},[475,861,773],{"class":489},[475,863,719],{"class":485},[475,865,866],{"class":489},"inputTokens",[475,868,736],{"class":485},[475,870,872,875,877,879,881,884],{"class":477,"line":871},22,[475,873,874],{"class":607},"    outputTokens",[475,876,463],{"class":485},[475,878,773],{"class":489},[475,880,719],{"class":485},[475,882,883],{"class":489},"outputTokens",[475,885,736],{"class":485},[475,887,889,892,894,896,898,901],{"class":477,"line":888},23,[475,890,891],{"class":607},"    estimatedCost",[475,893,463],{"class":485},[475,895,773],{"class":489},[475,897,719],{"class":485},[475,899,900],{"class":489},"estimatedCost",[475,902,736],{"class":485},[475,904,906,909,911,913,915,918],{"class":477,"line":905},24,[475,907,908],{"class":607},"    finishReason",[475,910,463],{"class":485},[475,912,773],{"class":489},[475,914,719],{"class":485},[475,916,917],{"class":489},"finishReason",[475,919,736],{"class":485},[475,921,923,926,928,930,932,935],{"class":477,"line":922},25,[475,924,925],{"class":607},"    responseId",[475,927,463],{"class":485},[475,929,773],{"class":489},[475,931,719],{"class":485},[475,933,934],{"class":489},"responseId",[475,936,736],{"class":485},[475,938,940,942],{"class":477,"line":939},26,[475,941,686],{"class":485},[475,943,612],{"class":607},[475,945,947],{"class":477,"line":946},27,[475,948,554],{"emptyLinePlaceholder":553},[475,950,952,955,957,960,962,966],{"class":477,"line":951},28,[475,953,954],{"class":481},"  return",[475,956,486],{"class":485},[475,958,959],{"class":607}," ok",[475,961,463],{"class":485},[475,963,965],{"class":964},"sfNiH"," true",[475,967,968],{"class":485}," }\n",[475,970,972,975],{"class":477,"line":971},29,[475,973,974],{"class":485},"}",[475,976,612],{"class":489},[428,978,979],{},"The snapshot is a fresh copy: mutating it never affects the underlying state or subsequent calls.",[443,981,983,986],{"id":982},"getestimatedcost-quick-cost-check",[432,984,985],{},"getEstimatedCost()"," — quick cost check",[428,988,989,990,993,994,997,998,1001],{},"Convenience for ",[432,991,992],{},"getMetadata().estimatedCost",". Returns the cost in dollars, or ",[432,995,996],{},"undefined"," if no ",[432,999,1000],{},"cost"," map was provided or the model is not in the map.",[465,1003,1005],{"className":467,"code":1004,"language":470,"meta":471,"style":471},"const ai = createAILogger(log, {\n  cost: { 'claude-sonnet-4.6': { input: 3, output: 15 } },\n})\n\nawait generateText({ model: ai.wrap('anthropic\u002Fclaude-sonnet-4.6'), prompt })\n\nconst cost = ai.getEstimatedCost()\nconsole.log(`This call cost $${cost?.toFixed(4)}`)\n",[432,1006,1007,1027,1064,1070,1074,1116,1120,1138],{"__ignoreMap":471},[475,1008,1009,1012,1015,1018,1020,1023,1025],{"class":477,"line":478},[475,1010,1011],{"class":573},"const",[475,1013,1014],{"class":489}," ai ",[475,1016,1017],{"class":485},"=",[475,1019,516],{"class":566},[475,1021,1022],{"class":489},"(log",[475,1024,632],{"class":485},[475,1026,590],{"class":485},[475,1028,1029,1032,1034,1036,1038,1040,1042,1044,1046,1048,1050,1052,1054,1056,1058,1060,1062],{"class":477,"line":509},[475,1030,1031],{"class":607},"  cost",[475,1033,463],{"class":485},[475,1035,486],{"class":485},[475,1037,499],{"class":485},[475,1039,649],{"class":607},[475,1041,652],{"class":485},[475,1043,463],{"class":485},[475,1045,486],{"class":485},[475,1047,659],{"class":607},[475,1049,463],{"class":485},[475,1051,665],{"class":664},[475,1053,632],{"class":485},[475,1055,670],{"class":607},[475,1057,463],{"class":485},[475,1059,675],{"class":664},[475,1061,493],{"class":485},[475,1063,680],{"class":485},[475,1065,1066,1068],{"class":477,"line":530},[475,1067,974],{"class":485},[475,1069,612],{"class":489},[475,1071,1072],{"class":477,"line":550},[475,1073,554],{"emptyLinePlaceholder":553},[475,1075,1076,1079,1081,1083,1086,1089,1091,1093,1095,1097,1099,1101,1103,1105,1107,1109,1112,1114],{"class":477,"line":557},[475,1077,1078],{"class":481},"await",[475,1080,537],{"class":566},[475,1082,570],{"class":489},[475,1084,1085],{"class":485},"{",[475,1087,1088],{"class":607}," model",[475,1090,463],{"class":485},[475,1092,620],{"class":489},[475,1094,719],{"class":485},[475,1096,722],{"class":566},[475,1098,570],{"class":489},[475,1100,652],{"class":485},[475,1102,729],{"class":502},[475,1104,652],{"class":485},[475,1106,584],{"class":489},[475,1108,632],{"class":485},[475,1110,1111],{"class":489}," prompt ",[475,1113,974],{"class":485},[475,1115,612],{"class":489},[475,1117,1118],{"class":477,"line":593},[475,1119,554],{"emptyLinePlaceholder":553},[475,1121,1122,1124,1127,1129,1131,1133,1136],{"class":477,"line":615},[475,1123,1011],{"class":573},[475,1125,1126],{"class":489}," cost ",[475,1128,1017],{"class":485},[475,1130,620],{"class":489},[475,1132,719],{"class":485},[475,1134,1135],{"class":566},"getEstimatedCost",[475,1137,785],{"class":489},[475,1139,1140,1143,1145,1147,1149,1152,1155,1158,1160,1163,1166,1168,1171,1173,1176],{"class":477,"line":637},[475,1141,1142],{"class":489},"console",[475,1144,719],{"class":485},[475,1146,629],{"class":566},[475,1148,570],{"class":489},[475,1150,1151],{"class":485},"`",[475,1153,1154],{"class":502},"This call cost $",[475,1156,1157],{"class":485},"${",[475,1159,1000],{"class":489},[475,1161,1162],{"class":485},"?.",[475,1164,1165],{"class":566},"toFixed",[475,1167,570],{"class":489},[475,1169,1170],{"class":664},"4",[475,1172,584],{"class":489},[475,1174,1175],{"class":485},"}`",[475,1177,612],{"class":489},[443,1179,1181,1184],{"id":1180},"onupdatecallback-incremental-updates",[432,1182,1183],{},"onUpdate(callback)"," — incremental updates",[428,1186,1187],{},"Subscribe to metadata updates. The callback fires every time the underlying state flushes:",[1189,1190,1191,1195,1202,1205],"ul",{},[1192,1193,1194],"li",{},"Once per step in multi-step agent runs",[1192,1196,1197,1198,1201],{},"Once per ",[432,1199,1200],{},"captureEmbed"," call",[1192,1203,1204],{},"On model errors",[1192,1206,1207,1208,1211,1212],{},"On ",[432,1209,1210],{},"createEvlogIntegration","'s ",[432,1213,462],{},[428,1215,1216],{},"Each invocation receives a fresh snapshot. Returns an unsubscribe function. Subscriber errors are isolated and never break the AI flow.",[465,1218,1221],{"className":467,"code":1219,"filename":1220,"language":470,"meta":471,"style":471},"import { ToolLoopAgent, createAgentUIStreamResponse, stepCountIs } from 'ai'\nimport { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n  const { messages } = await readBody(event)\n  const ai = createAILogger(log)\n\n  ai.onUpdate((metadata) => {\n    pushToClient(event, {\n      type: 'ai-progress',\n      step: metadata.steps,\n      tokens: metadata.totalTokens,\n      cost: metadata.estimatedCost,\n    })\n  })\n\n  const agent = new ToolLoopAgent({\n    model: ai.wrap('anthropic\u002Fclaude-sonnet-4.6'),\n    tools: { searchWeb, queryDatabase },\n    stopWhen: stepCountIs(5),\n  })\n\n  return createAgentUIStreamResponse({ agent, uiMessages: messages })\n})\n","server\u002Fapi\u002Fagent.post.ts",[432,1222,1223,1252,1270,1288,1292,1314,1330,1355,1371,1375,1398,1411,1427,1443,1459,1474,1481,1487,1491,1509,1533,1552,1570,1576,1580,1605],{"__ignoreMap":471},[475,1224,1225,1227,1229,1232,1234,1237,1239,1242,1244,1246,1248,1250],{"class":477,"line":478},[475,1226,482],{"class":481},[475,1228,486],{"class":485},[475,1230,1231],{"class":489}," ToolLoopAgent",[475,1233,632],{"class":485},[475,1235,1236],{"class":489}," createAgentUIStreamResponse",[475,1238,632],{"class":485},[475,1240,1241],{"class":489}," stepCountIs",[475,1243,493],{"class":485},[475,1245,496],{"class":481},[475,1247,499],{"class":485},[475,1249,434],{"class":502},[475,1251,506],{"class":485},[475,1253,1254,1256,1258,1260,1262,1264,1266,1268],{"class":477,"line":509},[475,1255,482],{"class":481},[475,1257,486],{"class":485},[475,1259,490],{"class":489},[475,1261,493],{"class":485},[475,1263,496],{"class":481},[475,1265,499],{"class":485},[475,1267,503],{"class":502},[475,1269,506],{"class":485},[475,1271,1272,1274,1276,1278,1280,1282,1284,1286],{"class":477,"line":530},[475,1273,482],{"class":481},[475,1275,486],{"class":485},[475,1277,516],{"class":489},[475,1279,493],{"class":485},[475,1281,496],{"class":481},[475,1283,499],{"class":485},[475,1285,525],{"class":502},[475,1287,506],{"class":485},[475,1289,1290],{"class":477,"line":550},[475,1291,554],{"emptyLinePlaceholder":553},[475,1293,1294,1296,1298,1300,1302,1304,1306,1308,1310,1312],{"class":477,"line":557},[475,1295,560],{"class":481},[475,1297,563],{"class":481},[475,1299,567],{"class":566},[475,1301,570],{"class":489},[475,1303,574],{"class":573},[475,1305,577],{"class":485},[475,1307,581],{"class":580},[475,1309,584],{"class":485},[475,1311,587],{"class":573},[475,1313,590],{"class":485},[475,1315,1316,1318,1320,1322,1324,1326,1328],{"class":477,"line":593},[475,1317,596],{"class":573},[475,1319,599],{"class":489},[475,1321,602],{"class":485},[475,1323,490],{"class":566},[475,1325,570],{"class":607},[475,1327,581],{"class":489},[475,1329,612],{"class":607},[475,1331,1332,1334,1336,1339,1341,1343,1346,1349,1351,1353],{"class":477,"line":615},[475,1333,596],{"class":573},[475,1335,486],{"class":485},[475,1337,1338],{"class":489}," 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}",[475,1480,612],{"class":607},[475,1482,1483,1485],{"class":477,"line":788},[475,1484,686],{"class":485},[475,1486,612],{"class":607},[475,1488,1489],{"class":477,"line":793},[475,1490,554],{"emptyLinePlaceholder":553},[475,1492,1493,1495,1498,1500,1503,1505,1507],{"class":477,"line":815},[475,1494,596],{"class":573},[475,1496,1497],{"class":489}," agent",[475,1499,602],{"class":485},[475,1501,1502],{"class":485}," new",[475,1504,1231],{"class":566},[475,1506,570],{"class":607},[475,1508,706],{"class":485},[475,1510,1511,1513,1515,1517,1519,1521,1523,1525,1527,1529,1531],{"class":477,"line":838},[475,1512,712],{"class":607},[475,1514,463],{"class":485},[475,1516,620],{"class":489},[475,1518,719],{"class":485},[475,1520,722],{"class":566},[475,1522,570],{"class":607},[475,1524,652],{"class":485},[475,1526,729],{"class":502},[475,1528,652],{"class":485},[475,1530,584],{"class":607},[475,1532,736],{"class":485},[475,1534,1535,1538,1540,1542,1545,1547,1550],{"class":477,"line":854},[475,1536,1537],{"class":607},"    tools",[475,1539,463],{"class":485},[475,1541,486],{"class":485},[475,1543,1544],{"class":489}," searchWeb",[475,1546,632],{"class":485},[475,1548,1549],{"class":489}," queryDatabase",[475,1551,680],{"class":485},[475,1553,1554,1557,1559,1561,1563,1566,1568],{"class":477,"line":871},[475,1555,1556],{"class":607},"    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