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OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":596,"path":597,"stem":598,"icon":572},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":600,"path":601,"stem":602,"icon":572},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":604,"path":605,"stem":606,"icon":572},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":608,"title":441,"body":609,"description":2252,"extension":2253,"links":2254,"meta":2259,"navigation":2260,"path":478,"seo":2261,"stem":479,"__hash__":2262},"docs\u002F5.use-cases\u002F7.signals\u002F04.reference.md",{"type":610,"value":611,"toc":2245},"minimark",[612,616,646,660,664,1151,1154,1157,1472,1482,1486,1498,1574,1581,1737,1750,1753,1759,1828,1845,1849,1854,2137,2230,2241],[613,614,615],"p",{},"Everything configurable, on one page. The other pages link here instead of repeating it.",[617,618,624],"pre",{"className":619,"code":620,"filename":621,"language":622,"meta":623,"style":623},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add @evlog\u002Fsignals ai\n","Terminal","bash","",[625,626,627],"code",{"__ignoreMap":623},[628,629,632,636,640,643],"span",{"class":630,"line":631},"line",1,[628,633,635],{"class":634},"sBMFI","pnpm",[628,637,639],{"class":638},"sfazB"," add",[628,641,642],{"class":638}," @evlog\u002Fsignals",[628,644,645],{"class":638}," ai\n",[613,647,648,651,652,655,656,659],{},[625,649,650],{},"ai"," 7.0.105 or later is a peer dependency. Entry points: ",[625,653,654],{},"@evlog\u002Fsignals"," and ",[625,657,658],{},"@evlog\u002Fsignals\u002Ftesting",".",[661,662,351],"h2",{"id":663},"options",[665,666,667,869,1072],"tabs",{},[668,669,671,698,855],"tabs-item",{"label":670},"defineSignal",[613,672,673,676,677,680,681,684,685,687,688,691,692,687,694,697],{},[625,674,675],{},"defineSignal(options)"," validates and returns a ",[625,678,679],{},"Signal",". The shape of the answer follows the input: ",[625,682,683],{},"ask"," alone is yes\u002Fno, ",[625,686,683],{}," + ",[625,689,690],{},"choice"," picks an option, ",[625,693,683],{},[625,695,696],{},"score"," positions on a rubric.",[699,700,701,717],"table",{},[702,703,704],"thead",{},[705,706,707,711,714],"tr",{},[708,709,710],"th",{},"Option",[708,712,713],{},"Type",[708,715,716],{},"Notes",[718,719,720,740,753,775,789,803,818,836],"tbody",{},[705,721,722,728,733],{},[723,724,725],"td",{},[625,726,727],{},"name",[723,729,730],{},[625,731,732],{},"string",[723,734,735,736,739],{},"Column name under ",[625,737,738],{},"event.signals",". Letters, digits, dashes, starting with a letter. Unique across registered signals.",[705,741,742,746,750],{},[723,743,744],{},[625,745,683],{},[723,747,748],{},[625,749,732],{},[723,751,752],{},"The question, in plain English.",[705,754,755,760,765],{},[723,756,757],{},[625,758,759],{},"when",[723,761,762],{},[625,763,764],{},"(event) => boolean",[723,766,767,768,771,772,659],{},"Predicate over the event. No model call when ",[625,769,770],{},"false",". Required with ",[625,773,774],{},"keep",[705,776,777,781,786],{},[723,778,779],{},[625,780,690],{},[723,782,783],{},[625,784,785],{},"Record\u003Coption, description>",[723,787,788],{},"At least two options. Makes a choice signal.",[705,790,791,795,800],{},[723,792,793],{},[625,794,696],{},[723,796,797],{},[625,798,799],{},"[level, level, ...]",[723,801,802],{},"Ordered lowest first, at least two. Makes a score signal.",[705,804,805,810,815],{},[723,806,807],{},[625,808,809],{},"criteria",[723,811,812],{},[625,813,814],{},"{ true?, false? }",[723,816,817],{},"Boolean signals only. What makes each answer true.",[705,819,820,824,829],{},[723,821,822],{},[625,823,774],{},[723,825,826],{},[625,827,828],{},"(verdict) => boolean",[723,830,831,832,835],{},"Promote the event past sampling when ",[625,833,834],{},"true",". Never drops. Typed on the verdict the shape produces.",[705,837,838,843,848],{},[723,839,840],{},[625,841,842],{},"cacheKey",[723,844,845],{},[625,846,847],{},"(event) => string | undefined",[723,849,850,851,854],{},"Reuse the verdict for events sharing a key. ",[625,852,853],{},"undefined"," skips caching. Last 1,000 verdicts per process.",[613,856,857,859,860,862,863,865,866,868],{},[625,858,670],{}," throws at definition time on an invalid name, an empty ",[625,861,683],{},", ",[625,864,774],{}," without ",[625,867,759],{},", fewer than two options or levels.",[668,870,872,894,1062],{"label":871},"createSignals",[613,873,874,877,878,881,882,862,884,655,887,890,891,659],{},[625,875,876],{},"createSignals(options)"," returns a ",[625,879,880],{},"SignalsPlugin",": an evlog plugin with ",[625,883,774],{},[625,885,886],{},"enrich",[625,888,889],{},"stats()",". The only required field is ",[625,892,893],{},"signals",[699,895,896,907],{},[702,897,898],{},[705,899,900,902,905],{},[708,901,710],{},[708,903,904],{},"Default",[708,906,716],{},[718,908,909,920,935,950,965,980,998,1013,1028,1044],{},[705,910,911,915,917],{},[723,912,913],{},[625,914,893],{},[723,916],{},[723,918,919],{},"The signals to run. Duplicate names throw at startup.",[705,921,922,927,932],{},[723,923,924],{},[625,925,926],{},"model",[723,928,929],{},[625,930,931],{},"'typesafe-ai\u002Fjev'",[723,933,934],{},"AI SDK evaluation model: a gateway id or a provider instance.",[705,936,937,942,947],{},[723,938,939],{},[625,940,941],{},"budget.perMinute",[723,943,944],{},[625,945,946],{},"600",[723,948,949],{},"Model calls per minute, shared by all signals, per process.",[705,951,952,957,962],{},[723,953,954],{},[625,955,956],{},"budget.cooldownMs",[723,958,959],{},[625,960,961],{},"30000",[723,963,964],{},"Pause after a failed call.",[705,966,967,972,977],{},[723,968,969],{},[625,970,971],{},"timeoutMs",[723,973,974],{},[625,975,976],{},"2000",[723,978,979],{},"Per call. An overrun aborts the call and counts as an error.",[705,981,982,987,995],{},[723,983,984],{},[625,985,986],{},"state",[723,988,989,990,655,992],{},"whole event minus ",[625,991,893],{},[625,993,994],{},"signalsModel",[723,996,997],{},"What the model reads. May return a string.",[705,999,1000,1005,1010],{},[723,1001,1002],{},[625,1003,1004],{},"maxStateChars",[723,1006,1007],{},[625,1008,1009],{},"100000",[723,1011,1012],{},"Largest state sent, in characters of JSON. Larger events are skipped.",[705,1014,1015,1020,1022],{},[723,1016,1017],{},[625,1018,1019],{},"providerOptions",[723,1021],{},[723,1023,1024,1025,659],{},"Forwarded to the model call, e.g. ",[625,1026,1027],{},"{ gateway: { zeroDataRetention: true } }",[705,1029,1030,1035,1041],{},[723,1031,1032],{},[625,1033,1034],{},"evaluate",[723,1036,1037,1038],{},"AI SDK ",[625,1039,1040],{},"experimental_evaluate",[723,1042,1043],{},"Replace the model call. Tests, record and replay.",[705,1045,1046,1051,1055],{},[723,1047,1048],{},[625,1049,1050],{},"stampModel",[723,1052,1053],{},[625,1054,770],{},[723,1056,1057,1058,1061],{},"Also write the answering model's id on ",[625,1059,1060],{},"event.signalsModel",". Set it while comparing two models so their verdicts can be told apart in the drain; one more column on every judged event otherwise.",[613,1063,1064,1066,1067,659],{},[625,1065,926],{}," takes any AI SDK evaluation model. See ",[1068,1069,1071],"a",{"href":1070},"#pick-the-model","Pick the model",[668,1073,1075,1084],{"label":1074},"Registration",[613,1076,1077,1079,1080,1083],{},[625,1078,880],{}," is a standard evlog ",[1068,1081,1082],{"href":518},"plugin",". Where it goes depends on how the framework exposes plugins:",[699,1085,1086,1096],{},[702,1087,1088],{},[705,1089,1090,1093],{},[708,1091,1092],{},"Framework",[708,1094,1095],{},"Register",[718,1097,1098,1112,1122,1137],{},[705,1099,1100,1103],{},[723,1101,1102],{},"Nuxt, Nitro",[723,1104,1105,1106,655,1109],{},"In a server plugin: ",[625,1107,1108],{},"nitroApp.hooks.hook('evlog:emit:keep', plugin.keep)",[625,1110,1111],{},"nitroApp.hooks.hook('evlog:enrich', plugin.enrich)",[705,1113,1114,1117],{},[723,1115,1116],{},"Next.js, standalone",[723,1118,1119],{},[625,1120,1121],{},"initLogger({ plugins: [plugin] })",[705,1123,1124,1127],{},[723,1125,1126],{},"Hono, Express, Fastify, Elysia, oRPC, SvelteKit, React Router",[723,1128,1129,1130,1133,1134],{},"The middleware's ",[625,1131,1132],{},"plugins"," option: ",[625,1135,1136],{},"evlog({ plugins: [plugin] })",[705,1138,1139,1145],{},[723,1140,1141,1144],{},[625,1142,1143],{},"createMiddlewareLogger"," (toolkit)",[723,1146,1147,1150],{},[625,1148,1149],{},"plugins: [plugin]"," on the call",[661,1152,1071],{"id":1153},"pick-the-model",[613,1155,1156],{},"The default goes through AI Gateway: one key, every decision model, swap by changing a string. A direct provider is the same option with an instance instead of a string.",[665,1158,1159,1254,1363],{},[668,1160,1162,1169,1243],{"label":1161},"AI Gateway",[613,1163,1164,1165,1168],{},"The default. Reads ",[625,1166,1167],{},"AI_GATEWAY_API_KEY",", or OIDC on Vercel with no key at all.",[617,1170,1174],{"className":1171,"code":1172,"language":1173,"meta":623,"style":623},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","createSignals({\n  model: 'typesafe-ai\u002Fjev', \u002F\u002F the default; 'liquid\u002Fd1' is the other decision model\n  signals: [fault, silentFailure],\n})\n","typescript",[625,1175,1176,1189,1215,1234],{"__ignoreMap":623},[628,1177,1178,1181,1185],{"class":630,"line":631},[628,1179,871],{"class":1180},"s2Zo4",[628,1182,1184],{"class":1183},"sTEyZ","(",[628,1186,1188],{"class":1187},"sMK4o","{\n",[628,1190,1192,1196,1199,1202,1205,1208,1211],{"class":630,"line":1191},2,[628,1193,1195],{"class":1194},"swJcz","  model",[628,1197,1198],{"class":1187},":",[628,1200,1201],{"class":1187}," '",[628,1203,1204],{"class":638},"typesafe-ai\u002Fjev",[628,1206,1207],{"class":1187},"'",[628,1209,1210],{"class":1187},",",[628,1212,1214],{"class":1213},"sHwdD"," \u002F\u002F the default; 'liquid\u002Fd1' is the other decision model\n",[628,1216,1218,1221,1223,1226,1228,1231],{"class":630,"line":1217},3,[628,1219,1220],{"class":1194},"  signals",[628,1222,1198],{"class":1187},[628,1224,1225],{"class":1183}," [fault",[628,1227,1210],{"class":1187},[628,1229,1230],{"class":1183}," silentFailure]",[628,1232,1233],{"class":1187},",\n",[628,1235,1237,1240],{"class":630,"line":1236},4,[628,1238,1239],{"class":1187},"}",[628,1241,1242],{"class":1183},")\n",[613,1244,1245,1246,1249,1250,1253],{},"Both gateway models return a probability distribution, so every column has a ",[625,1247,1248],{},"confidence",". The id string is the only thing to change to compare them; set ",[625,1251,1252],{},"stampModel: true"," while you do, so verdicts from each model can be told apart in the drain.",[668,1255,1257,1267,1360],{"label":1256},"TypeSafe AI",[613,1258,1259,1260,1263,1264,659],{},"A direct key to the model behind the default. Install ",[625,1261,1262],{},"@ai-sdk\u002Ftypesafe-ai","; it reads ",[625,1265,1266],{},"TYPESAFE_AI_API_KEY",[617,1268,1270],{"className":1171,"code":1269,"language":1173,"meta":623,"style":623},"import { typeSafeAi } from '@ai-sdk\u002Ftypesafe-ai'\n\ncreateSignals({\n  model: typeSafeAi.evaluationModel('jev-latest'),\n  signals: [fault, silentFailure],\n})\n",[625,1271,1272,1297,1303,1311,1338,1353],{"__ignoreMap":623},[628,1273,1274,1278,1281,1284,1287,1290,1292,1294],{"class":630,"line":631},[628,1275,1277],{"class":1276},"s7zQu","import",[628,1279,1280],{"class":1187}," {",[628,1282,1283],{"class":1183}," typeSafeAi",[628,1285,1286],{"class":1187}," }",[628,1288,1289],{"class":1276}," from",[628,1291,1201],{"class":1187},[628,1293,1262],{"class":638},[628,1295,1296],{"class":1187},"'\n",[628,1298,1299],{"class":630,"line":1191},[628,1300,1302],{"emptyLinePlaceholder":1301},true,"\n",[628,1304,1305,1307,1309],{"class":630,"line":1217},[628,1306,871],{"class":1180},[628,1308,1184],{"class":1183},[628,1310,1188],{"class":1187},[628,1312,1313,1315,1317,1319,1321,1324,1326,1328,1331,1333,1336],{"class":630,"line":1236},[628,1314,1195],{"class":1194},[628,1316,1198],{"class":1187},[628,1318,1283],{"class":1183},[628,1320,659],{"class":1187},[628,1322,1323],{"class":1180},"evaluationModel",[628,1325,1184],{"class":1183},[628,1327,1207],{"class":1187},[628,1329,1330],{"class":638},"jev-latest",[628,1332,1207],{"class":1187},[628,1334,1335],{"class":1183},")",[628,1337,1233],{"class":1187},[628,1339,1341,1343,1345,1347,1349,1351],{"class":630,"line":1340},5,[628,1342,1220],{"class":1194},[628,1344,1198],{"class":1187},[628,1346,1225],{"class":1183},[628,1348,1210],{"class":1187},[628,1350,1230],{"class":1183},[628,1352,1233],{"class":1187},[628,1354,1356,1358],{"class":630,"line":1355},6,[628,1357,1239],{"class":1187},[628,1359,1242],{"class":1183},[613,1361,1362],{},"Same distributions, same columns as through the gateway.",[668,1364,1366,1375,1456],{"label":1365},"OpenAI",[613,1367,1368,1369,1263,1372,659],{},"A general model prompted to answer. Install ",[625,1370,1371],{},"@ai-sdk\u002Fopenai",[625,1373,1374],{},"OPENAI_API_KEY",[617,1376,1378],{"className":1171,"code":1377,"language":1173,"meta":623,"style":623},"import { openai } from '@ai-sdk\u002Fopenai'\n\ncreateSignals({\n  model: openai.evaluationModel('gpt-6-luna'),\n  signals: [fault, silentFailure],\n})\n",[625,1379,1380,1399,1403,1411,1436,1450],{"__ignoreMap":623},[628,1381,1382,1384,1386,1389,1391,1393,1395,1397],{"class":630,"line":631},[628,1383,1277],{"class":1276},[628,1385,1280],{"class":1187},[628,1387,1388],{"class":1183}," openai",[628,1390,1286],{"class":1187},[628,1392,1289],{"class":1276},[628,1394,1201],{"class":1187},[628,1396,1371],{"class":638},[628,1398,1296],{"class":1187},[628,1400,1401],{"class":630,"line":1191},[628,1402,1302],{"emptyLinePlaceholder":1301},[628,1404,1405,1407,1409],{"class":630,"line":1217},[628,1406,871],{"class":1180},[628,1408,1184],{"class":1183},[628,1410,1188],{"class":1187},[628,1412,1413,1415,1417,1419,1421,1423,1425,1427,1430,1432,1434],{"class":630,"line":1236},[628,1414,1195],{"class":1194},[628,1416,1198],{"class":1187},[628,1418,1388],{"class":1183},[628,1420,659],{"class":1187},[628,1422,1323],{"class":1180},[628,1424,1184],{"class":1183},[628,1426,1207],{"class":1187},[628,1428,1429],{"class":638},"gpt-6-luna",[628,1431,1207],{"class":1187},[628,1433,1335],{"class":1183},[628,1435,1233],{"class":1187},[628,1437,1438,1440,1442,1444,1446,1448],{"class":630,"line":1340},[628,1439,1220],{"class":1194},[628,1441,1198],{"class":1187},[628,1443,1225],{"class":1183},[628,1445,1210],{"class":1187},[628,1447,1230],{"class":1183},[628,1449,1233],{"class":1187},[628,1451,1452,1454],{"class":630,"line":1355},[628,1453,1239],{"class":1187},[628,1455,1242],{"class":1183},[613,1457,1458,1459,865,1462,1464,1465,1467,1468,1471],{},"A prompted model returns P(true) for yes\u002Fno questions and a bare answer for choice and score, so those columns carry ",[625,1460,1461],{},"value",[625,1463,1248],{},". Expect a slower call than a decision model; raise ",[625,1466,971],{}," if ",[625,1469,1470],{},"stats().errors"," climbs.",[613,1473,1474,1475,1478,1479,1481],{},"Any other provider that exposes ",[625,1476,1477],{},"evaluationModel()"," plugs in the same way. Options the provider understands go through ",[625,1480,1019],{},", keyed by provider name.",[661,1483,1485],{"id":1484},"the-column","The column",[613,1487,1488,1489,1492,1493,1495,1496,659],{},"Verdicts land on ",[625,1490,1491],{},"event.signals.\u003Cname>",". With ",[625,1494,1252],{},", the answering model's id is on ",[625,1497,1060],{},[699,1499,1500,1518],{},[702,1501,1502],{},[705,1503,1504,1507,1511,1515],{},[708,1505,1506],{},"Shape",[708,1508,1509],{},[625,1510,1461],{},[708,1512,1513],{},[625,1514,1248],{},[708,1516,1517],{},"Extra",[718,1519,1520,1537,1550],{},[705,1521,1522,1525,1530,1535],{},[723,1523,1524],{},"Boolean",[723,1526,1527],{},[625,1528,1529],{},"boolean",[723,1531,1532,1533],{},"probability of ",[625,1534,1461],{},[723,1536],{},[705,1538,1539,1542,1545,1548],{},[723,1540,1541],{},"Choice",[723,1543,1544],{},"one of the option names",[723,1546,1547],{},"probability of that option, when the model returns a distribution",[723,1549],{},[705,1551,1552,1555,1558,1561],{},[723,1553,1554],{},"Score",[723,1556,1557],{},"one of the level names (most likely)",[723,1559,1560],{},"probability of that level, when the model returns a distribution",[723,1562,1563,1566,1567,1570,1571],{},[625,1564,1565],{},"score: number",", probability-weighted position from ",[625,1568,1569],{},"0"," to ",[625,1572,1573],{},"levels - 1",[613,1575,1576,1577,1580],{},"A signal that promoted the event past sampling adds ",[625,1578,1579],{},"kept: true"," to its column.",[617,1582,1586],{"className":1583,"code":1584,"language":1585,"meta":623,"style":623},"language-ts shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","interface BooleanVerdict { value: boolean; confidence: number }\ninterface ChoiceVerdict\u003COption extends string> { value: Option; confidence?: number }\ninterface ScoreVerdict\u003CLevel extends string> { value: Level; score: number; confidence?: number }\ntype SignalColumn = Verdict & { kept?: true }\n","ts",[625,1587,1588,1621,1662,1708],{"__ignoreMap":623},[628,1589,1590,1594,1597,1599,1602,1604,1607,1610,1613,1615,1618],{"class":630,"line":631},[628,1591,1593],{"class":1592},"spNyl","interface",[628,1595,1596],{"class":634}," BooleanVerdict",[628,1598,1280],{"class":1187},[628,1600,1601],{"class":1194}," value",[628,1603,1198],{"class":1187},[628,1605,1606],{"class":634}," boolean",[628,1608,1609],{"class":1187},";",[628,1611,1612],{"class":1194}," confidence",[628,1614,1198],{"class":1187},[628,1616,1617],{"class":634}," number",[628,1619,1620],{"class":1187}," }\n",[628,1622,1623,1625,1628,1631,1633,1636,1639,1642,1644,1646,1648,1651,1653,1655,1658,1660],{"class":630,"line":1191},[628,1624,1593],{"class":1592},[628,1626,1627],{"class":634}," ChoiceVerdict",[628,1629,1630],{"class":1187},"\u003C",[628,1632,710],{"class":634},[628,1634,1635],{"class":1592}," extends",[628,1637,1638],{"class":634}," string",[628,1640,1641],{"class":1187},">",[628,1643,1280],{"class":1187},[628,1645,1601],{"class":1194},[628,1647,1198],{"class":1187},[628,1649,1650],{"class":634}," Option",[628,1652,1609],{"class":1187},[628,1654,1612],{"class":1194},[628,1656,1657],{"class":1187},"?:",[628,1659,1617],{"class":634},[628,1661,1620],{"class":1187},[628,1663,1664,1666,1669,1671,1674,1676,1678,1680,1682,1684,1686,1689,1691,1694,1696,1698,1700,1702,1704,1706],{"class":630,"line":1217},[628,1665,1593],{"class":1592},[628,1667,1668],{"class":634}," ScoreVerdict",[628,1670,1630],{"class":1187},[628,1672,1673],{"class":634},"Level",[628,1675,1635],{"class":1592},[628,1677,1638],{"class":634},[628,1679,1641],{"class":1187},[628,1681,1280],{"class":1187},[628,1683,1601],{"class":1194},[628,1685,1198],{"class":1187},[628,1687,1688],{"class":634}," Level",[628,1690,1609],{"class":1187},[628,1692,1693],{"class":1194}," score",[628,1695,1198],{"class":1187},[628,1697,1617],{"class":634},[628,1699,1609],{"class":1187},[628,1701,1612],{"class":1194},[628,1703,1657],{"class":1187},[628,1705,1617],{"class":634},[628,1707,1620],{"class":1187},[628,1709,1710,1713,1716,1719,1722,1725,1727,1730,1732,1735],{"class":630,"line":1236},[628,1711,1712],{"class":1592},"type",[628,1714,1715],{"class":634}," SignalColumn",[628,1717,1718],{"class":1187}," =",[628,1720,1721],{"class":634}," Verdict",[628,1723,1724],{"class":1187}," &",[628,1726,1280],{"class":1187},[628,1728,1729],{"class":1194}," kept",[628,1731,1657],{"class":1187},[628,1733,1734],{"class":634}," true",[628,1736,1620],{"class":1187},[613,1738,1739,1740,1742,1743,1746,1747,1749],{},"Columns are written in ",[625,1741,886],{},", before the console line. They reach stdout, platform logs such as Vercel, and every ",[1068,1744,1745],{"href":158},"drain",". The response is already sent by then; what waits for the evaluation is the console line, bounded by ",[625,1748,971],{},", so a late line in the dev terminal is the model, not a slow request.",[661,1751,889],{"id":1752},"stats",[613,1754,1755,1758],{},[625,1756,1757],{},"plugin.stats()"," returns a snapshot of per-process counters:",[699,1760,1761,1771],{},[702,1762,1763],{},[705,1764,1765,1768],{},[708,1766,1767],{},"Field",[708,1769,1770],{},"Counts",[718,1772,1773,1783,1795,1805,1818],{},[705,1774,1775,1780],{},[723,1776,1777],{},[625,1778,1779],{},"calls",[723,1781,1782],{},"Model calls made.",[705,1784,1785,1790],{},[723,1786,1787],{},[625,1788,1789],{},"skipped",[723,1791,1792,1793,659],{},"Events with due signals not judged: budget spent, breaker open, or state over ",[625,1794,1004],{},[705,1796,1797,1802],{},[723,1798,1799],{},[625,1800,1801],{},"errors",[723,1803,1804],{},"Calls that failed or timed out.",[705,1806,1807,1812],{},[723,1808,1809],{},[625,1810,1811],{},"cached",[723,1813,1814,1815,1817],{},"Verdicts served from a ",[625,1816,842],{}," without a call.",[705,1819,1820,1825],{},[723,1821,1822],{},[625,1823,1824],{},"inputTokens",[723,1826,1827],{},"Tokens billed, as reported by the model.",[613,1829,1830,1832,1833,1835,1836,1838,1839,1841,1842,1844],{},[625,1831,1811],{}," next to ",[625,1834,1779],{}," is what ",[625,1837,842],{}," saved. ",[625,1840,1789],{}," climbing while ",[625,1843,1801],{}," stays flat means the budget is below your traffic, not that the model is down.",[661,1846,1848],{"id":1847},"testing","Testing",[613,1850,1851,1853],{},[625,1852,658],{}," replaces the model with a script. No key, no network, no budget:",[617,1855,1858],{"className":1171,"code":1856,"filename":1857,"language":1173,"meta":623,"style":623},"import { createSignals } from '@evlog\u002Fsignals'\nimport { answers, scriptedEvaluate } from '@evlog\u002Fsignals\u002Ftesting'\n\nconst mock = scriptedEvaluate((name, question) => {\n  if (name === 'fault') return answers.choice(question, 'upstream', 0.93)\n  return answers.first(question)\n})\n\nconst plugin = createSignals({ signals, evaluate: mock.evaluate })\n\n\u002F\u002F after a request has run through evlog\nexpect(mock.calls).toHaveLength(1)\nexpect(mock.calls[0].questions).toHaveProperty('fault')\n","signals.test.ts",[625,1859,1860,1879,1903,1907,1940,1994,2012,2019,2024,2063,2068,2074,2100],{"__ignoreMap":623},[628,1861,1862,1864,1866,1869,1871,1873,1875,1877],{"class":630,"line":631},[628,1863,1277],{"class":1276},[628,1865,1280],{"class":1187},[628,1867,1868],{"class":1183}," 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return",[628,2000,1887],{"class":1183},[628,2002,659],{"class":1187},[628,2004,2005],{"class":1180},"first",[628,2007,1184],{"class":1194},[628,2009,1976],{"class":1183},[628,2011,1242],{"class":1194},[628,2013,2015,2017],{"class":630,"line":2014},7,[628,2016,1239],{"class":1187},[628,2018,1242],{"class":1183},[628,2020,2022],{"class":630,"line":2021},8,[628,2023,1302],{"emptyLinePlaceholder":1301},[628,2025,2027,2029,2032,2034,2036,2038,2041,2044,2046,2049,2051,2054,2056,2059,2061],{"class":630,"line":2026},9,[628,2028,1911],{"class":1592},[628,2030,2031],{"class":1183}," plugin ",[628,2033,1917],{"class":1187},[628,2035,1868],{"class":1180},[628,2037,1184],{"class":1183},[628,2039,2040],{"class":1187},"{",[628,2042,2043],{"class":1183}," signals",[628,2045,1210],{"class":1187},[628,2047,2048],{"class":1194}," evaluate",[628,2050,1198],{"class":1187},[628,2052,2053],{"class":1183}," mock",[628,2055,659],{"class":1187},[628,2057,2058],{"class":1183},"evaluate ",[628,2060,1239],{"class":1187},[628,2062,1242],{"class":1183},[628,2064,2066],{"class":630,"line":2065},10,[628,2067,1302],{"emptyLinePlaceholder":1301},[628,2069,2071],{"class":630,"line":2070},11,[628,2072,2073],{"class":1213},"\u002F\u002F after a request has run through evlog\n",[628,2075,2077,2080,2083,2085,2088,2090,2093,2095,2098],{"class":630,"line":2076},12,[628,2078,2079],{"class":1180},"expect",[628,2081,2082],{"class":1183},"(mock",[628,2084,659],{"class":1187},[628,2086,2087],{"class":1183},"calls)",[628,2089,659],{"class":1187},[628,2091,2092],{"class":1180},"toHaveLength",[628,2094,1184],{"class":1183},[628,2096,2097],{"class":1990},"1",[628,2099,1242],{"class":1183},[628,2101,2103,2105,2107,2109,2112,2114,2117,2119,2122,2124,2127,2129,2131,2133,2135],{"class":630,"line":2102},13,[628,2104,2079],{"class":1180},[628,2106,2082],{"class":1183},[628,2108,659],{"class":1187},[628,2110,2111],{"class":1183},"calls[",[628,2113,1569],{"class":1990},[628,2115,2116],{"class":1183},"]",[628,2118,659],{"class":1187},[628,2120,2121],{"class":1183},"questions)",[628,2123,659],{"class":1187},[628,2125,2126],{"class":1180},"toHaveProperty",[628,2128,1184],{"class":1183},[628,2130,1207],{"class":1187},[628,2132,1957],{"class":638},[628,2134,1207],{"class":1187},[628,2136,1242],{"class":1183},[699,2138,2139,2149],{},[702,2140,2141],{},[705,2142,2143,2146],{},[708,2144,2145],{},"Export",[708,2147,2148],{},"Does",[718,2150,2151,2172,2184,2201,2220],{},[705,2152,2153,2158],{},[723,2154,2155],{},[625,2156,2157],{},"scriptedEvaluate(answer, modelId?)",[723,2159,2160,2161,2164,2165,2168,2169,2171],{},"Returns ",[625,2162,2163],{},"{ evaluate, calls }",". ",[625,2166,2167],{},"answer(name, question, state)"," runs once per question; ",[625,2170,1779],{}," records every request.",[705,2173,2174,2179],{},[723,2175,2176],{},[625,2177,2178],{},"answers.boolean(p)",[723,2180,2181,2182,659],{},"A yes\u002Fno answer with P(true) = ",[625,2183,613],{},[705,2185,2186,2191],{},[723,2187,2188],{},[625,2189,2190],{},"answers.choice(question, pick, p)",[723,2192,2193,2194,2197,2198,2200],{},"Picks ",[625,2195,2196],{},"pick"," at ",[625,2199,613],{},", spreads the rest over the other options.",[705,2202,2203,2208],{},[723,2204,2205],{},[625,2206,2207],{},"answers.score(question, levelIndex, p)",[723,2209,2210,2211,2197,2214,2216,2217,2219],{},"Level ",[625,2212,2213],{},"levelIndex",[625,2215,613],{},", with the weighted ",[625,2218,696],{}," computed.",[705,2221,2222,2227],{},[723,2223,2224],{},[625,2225,2226],{},"answers.first(question)",[723,2228,2229],{},"A confident default of the right type: first option at 0.9, last level at 0.8, yes at 0.94.",[613,2231,2232,2233,2236,2237,2240],{},"The same hook replays recorded verdicts: a ",[625,2234,2235],{},"scriptedEvaluate"," that looks answers up by ",[625,2238,2239],{},"requestId"," runs your signals against yesterday's events without a call.",[2242,2243,2244],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}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: 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