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import { access, readFile } from "node:fs/promises";
import { accessSync, constants as fsConstants } from "node:fs";
import path from "node:path";
import { pathToFileURL } from "node:url";
import { parse as parseYaml } from "yaml";
import { sha256 } from "../server/services/tutor/evaluation/canonical";
import { createAnchorCourseContent, ANCHOR_COURSE_CONTENT_FIXTURE_IDS, type AnchorCourseContentFixtureId } from "../server/services/tutor/evaluation/anchor-course-content";
import { config } from "../server/config";
import {
parseTutorQualityCorpus,
type TutorQualityHistoryEntrySource,
type TutorQualityTurnSource,
} from "../server/services/tutor/evaluation/anchor-corpus";
import {
MAX_TUTOR_QUALITY_CALLS,
MAX_TUTOR_QUALITY_SAMPLES,
runTutorQualityEvaluation,
type TutorQualityEvaluationReport,
type TutorQualityEvaluationScenario,
type TutorQualityGitState,
type TutorQualityTurn,
} from "../server/services/tutor/evaluation/real-provider-evaluation";
import { KiconnectProvider } from "../server/services/tutor/kiconnect-provider";
import type { LLMProvider } from "../server/services/tutor/llm-provider";
export interface TutorQualityCliOptions {
readonly model: string;
readonly samples: number;
readonly maxCalls: number;
readonly outputDir: string;
readonly corpusPath: string;
readonly credentialEnv: string;
readonly judgeModel?: string;
readonly judgeCredentialEnv: string;
readonly cases: readonly string[];
}
export interface TutorQualityCliDependencies {
readonly cwd?: string;
readonly environment?: NodeJS.ProcessEnv;
readonly provider?: LLMProvider;
readonly git?: TutorQualityGitState;
readonly log?: (line: string) => void;
readonly error?: (line: string) => void;
}
/** Evaluation SSOT R-VER-8. */
export const TUTOR_QUALITY_EXIT_CODES = { success: 0, cliError: 1, qualityFail: 2, inconclusive: 3 } as const;
const DEFAULT_CORPUS_PATH = "evals/tutor-quality/anchor-corpus.yaml";
const DEFAULT_CREDENTIAL_ENV = "UNOSIM_TUTOR_EVAL_CREDENTIAL";
const DEFAULT_JUDGE_CREDENTIAL_ENV = "UNOSIM_TUTOR_JUDGE_CREDENTIAL";
function argumentPairs(argv: readonly string[]): readonly (readonly [string, string])[] {
Iif (argv.length % 2 !== 0) throw new Error("Tutor Quality evaluation options require values");
return Array.from({ length: argv.length / 2 }, (_, pairIndex) => {
const index = pairIndex * 2;
const flag = argv[index];
const value = argv[index + 1];
Iif (!flag?.startsWith("--")) throw new Error(`Unknown Tutor Quality evaluation option: ${flag ?? ""}`);
Iif (!value || value.startsWith("--")) throw new Error(`${flag} requires a value`);
return [flag, value] as const;
});
}
function parsePositiveInteger(value: string, flag: string, allowZero = false, maximum?: number): number {
Iif (!/^\d+$/.test(value)) throw new Error(`${flag} must be an integer`);
const parsed = Number(value);
if (!Number.isSafeInteger(parsed) || (allowZero ? parsed < 0 : parsed < 1)) throw new Error(`${flag} is out of range`);
if (maximum !== undefined && parsed > maximum) throw new Error(`${flag} exceeds maximum ${maximum}`);
return parsed;
}
function parseCredentialEnvironmentName(value: string): string {
if (!/^[A-Z][A-Z0-9_]{1,63}$/.test(value)) throw new Error("--credential-env must be an environment-variable name");
return value;
}
export function parseTutorQualityCliArgs(argv: readonly string[]): TutorQualityCliOptions {
let model: string | undefined;
let samples = 1;
let maxCalls = 20;
let outputDir: string | undefined;
let corpusPath = DEFAULT_CORPUS_PATH;
let credentialEnv = DEFAULT_CREDENTIAL_ENV;
let judgeModel: string | undefined;
let judgeCredentialEnv = DEFAULT_JUDGE_CREDENTIAL_ENV;
let judgeCredentialEnvWasSet = false;
const cases: string[] = [];
for (const [flag, value] of argumentPairs(argv)) {
switch (flag) {
case "--model":
model = value;
break;
case "--samples":
samples = parsePositiveInteger(value, flag, false, MAX_TUTOR_QUALITY_SAMPLES);
break;
case "--max-calls":
maxCalls = parsePositiveInteger(value, flag, true, MAX_TUTOR_QUALITY_CALLS);
break;
case "--output-dir":
outputDir = value;
break;
case "--corpus":
corpusPath = value;
break;
case "--credential-env":
credentialEnv = parseCredentialEnvironmentName(value);
break;
case "--case":
cases.push(value);
break;
case "--judge-model":
judgeModel = value;
break;
case "--judge-credential-env":
judgeCredentialEnv = parseCredentialEnvironmentName(value);
judgeCredentialEnvWasSet = true;
break;
default:
throw new Error(`Unknown Tutor Quality evaluation option: ${flag}`);
}
}
if (!model || model === "auto") throw new Error("--model requires a fixed model id; auto is not allowed");
Iif (!outputDir) throw new Error("--output-dir is required");
Iif (!/^[A-Za-z0-9][A-Za-z0-9._:/-]{0,127}$/.test(model)) throw new Error("--model is invalid");
if (judgeModel === "auto") throw new Error("--judge-model requires a fixed model id; auto is not allowed");
Iif (judgeModel !== undefined && !/^[A-Za-z0-9][A-Za-z0-9._:/-]{0,127}$/.test(judgeModel)) throw new Error("--judge-model is invalid");
Iif (judgeCredentialEnvWasSet && !judgeModel) throw new Error("--judge-credential-env requires --judge-model");
if (judgeModel && judgeCredentialEnv === credentialEnv) throw new Error("Tutor and Judge must use separate credential environment-variable names");
return {
model,
samples,
maxCalls,
outputDir,
corpusPath,
credentialEnv,
...(judgeModel ? { judgeModel } : {}),
judgeCredentialEnv,
cases,
};
}
const GIT_EXECUTABLE_CANDIDATES = process.platform === "win32"
? [String.raw`C:\Program Files\Git\cmd\git.exe`, String.raw`C:\Program Files\Git\bin\git.exe`]
: ["/usr/bin/git", "/opt/homebrew/bin/git", "/usr/local/bin/git"];
function resolveGitExecutable(): string {
const executable = GIT_EXECUTABLE_CANDIDATES.find((candidate) => {
try {
accessSync(candidate, fsConstants.X_OK);
return true;
} catch {
return false;
}
});
Iif (!executable) throw new Error("git executable not found in fixed system locations");
return executable;
}
function historyEntry(entry: TutorQualityHistoryEntrySource): import("../shared/tutor").TutorDialogTurn {
const common = {
question: entry.question,
answer: entry.answer ?? "synthetic scripted history",
...(entry.questionId === undefined ? {} : { questionId: entry.questionId }),
};
// The corpus parser rejects ratings on philosophical turns, matching the shared dialog schema.
if (entry.responseStyle === "philosophical") return { ...common, responseStyle: "philosophical" };
return {
...common,
responseStyle: "normal",
...(entry.answerRating === undefined ? {} : { answerRating: entry.answerRating }),
};
}
function materializeTurn(turn: TutorQualityTurnSource): TutorQualityTurn {
if (turn.kind === "initial") return turn;
const { history, ...dialogTurn } = turn;
return {
...dialogTurn,
...(history === undefined ? {} : { history: history.map(historyEntry) }),
};
}
function declaredSketchReferences(source: unknown): string[] {
// Collect references from the unvalidated YAML only; parseTutorQualityCorpus reports malformed input.
Iif (typeof source !== "object" || source === null || !("scenarios" in source) || !Array.isArray(source.scenarios)) return [];
return source.scenarios.flatMap((scenario: unknown) => (
typeof scenario === "object" && scenario !== null && "sketch" in scenario && typeof scenario.sketch === "string"
? [scenario.sketch]
: []
));
}
export async function loadTutorQualityEvaluationScenarios(
cwd: string,
corpusPath: string,
): Promise<readonly TutorQualityEvaluationScenario[]> {
const manifestPath = path.resolve(cwd, corpusPath);
const sourceText = await readFile(manifestPath, "utf8");
const corpusFileDigest = sha256(sourceText);
const source: unknown = parseYaml(sourceText);
const sketchRefs = new Set<string>();
for (const sketch of declaredSketchReferences(source)) {
try {
await access(path.resolve(cwd, sketch));
sketchRefs.add(sketch);
} catch {
// Keep the reference absent so the corpus validator reports the contract error.
}
}
const courseContentFixtures = new Set<string>(ANCHOR_COURSE_CONTENT_FIXTURE_IDS);
const corpus = parseTutorQualityCorpus(source, { sketches: sketchRefs, courseContentFixtures });
return Promise.all(corpus.scenarios.map(async (scenario) => {
const sketch = await readFile(path.resolve(cwd, scenario.sketch), "utf8");
return {
id: scenario.id,
corpusId: corpus.corpusId,
corpusVersion: corpus.corpusVersion,
corpusFileDigest,
sketchRef: scenario.sketch,
sketch,
sketchDigest: sha256(sketch),
...(scenario.courseContent === "free"
? {}
: { courseContent: createAnchorCourseContent(scenario.courseContent as AnchorCourseContentFixtureId) }),
turns: scenario.turns.map(materializeTurn),
...(scenario.judge === undefined ? {} : { judge: scenario.judge }),
...(scenario.expected === undefined ? {} : { expected: scenario.expected }),
};
}));
}
function statusLines(cwd: string): readonly string[] {
const output = execFileSync(resolveGitExecutable(), ["status", "--porcelain=v1", "-uall"], { cwd, encoding: "utf8" });
return output.split("\n").map((line) => line.trimEnd()).filter(Boolean);
}
export function isTutorQualityRelevantUntrackedPath(relativePath: string, outputDir: string): boolean {
const normalized = relativePath.replaceAll("\\", "/");
const normalizedOutput = outputDir.replaceAll("\\", "/").replace(/\/$/, "");
if (normalizedOutput && (normalized === normalizedOutput || normalized.startsWith(`${normalizedOutput}/`))) return false;
return normalized.startsWith("evals/tutor-quality/")
|| normalized.startsWith("server/")
|| normalized.startsWith("shared/")
|| normalized.startsWith("scripts/")
|| ["package.json", "package-lock.json", ".nvmrc"].includes(normalized);
}
export function readTutorQualityGitState(cwd: string, outputDir: string): TutorQualityGitState {
const sha = execFileSync(resolveGitExecutable(), ["rev-parse", "HEAD"], { cwd, encoding: "utf8" }).trim();
const lines = statusLines(cwd);
const trackedClean = lines.every((line) => line.startsWith("??"));
const outputRelative = path.relative(cwd, path.resolve(cwd, outputDir));
const relevantUntrackedClean = lines.every((line) => {
if (!line.startsWith("??")) return true;
return !isTutorQualityRelevantUntrackedPath(line.slice(3).trim(), outputRelative);
});
return { sha, trackedClean, relevantUntrackedClean };
}
export async function runTutorQualityCli(
argv: readonly string[],
dependencies: TutorQualityCliDependencies = {},
) {
const options = parseTutorQualityCliArgs(argv);
const cwd = dependencies.cwd ?? process.cwd();
const environment = dependencies.environment ?? process.env;
const loadedScenarios = await loadTutorQualityEvaluationScenarios(cwd, options.corpusPath);
const requestedCases = new Set(options.cases);
const unknownCases = [...requestedCases].filter((id) => !loadedScenarios.some((scenario) => scenario.id === id));
Iif (unknownCases.length) throw new Error(`Unknown Tutor Quality case: ${unknownCases.join(", ")}`);
const scenarios = requestedCases.size ? loadedScenarios.filter(({ id }) => requestedCases.has(id)) : loadedScenarios;
const git = dependencies.git ?? readTutorQualityGitState(cwd, options.outputDir);
const provider = dependencies.provider ?? new KiconnectProvider();
const credential = environment[options.credentialEnv];
const judgeCredential = options.judgeModel ? environment[options.judgeCredentialEnv] : undefined;
return runTutorQualityEvaluation({
scenarios,
provider,
providerId: "kiconnect",
endpointOrigin: environment.UNOSIM_LLM_BASE_URL ? new URL(environment.UNOSIM_LLM_BASE_URL).origin : undefined,
...(credential ? { credential } : {}),
requestedModel: options.model,
...(options.judgeModel ? { judgeModel: options.judgeModel } : {}),
...(judgeCredential ? { judgeCredential } : {}),
samples: options.samples,
maxCalls: options.maxCalls,
timeoutMs: config.tutor.timeoutMs,
outputDir: path.resolve(cwd, options.outputDir),
git,
});
}
export function tutorQualityExitCode(report: Pick<TutorQualityEvaluationReport, "runStatus" | "qualityVerdict">): number {
switch (report.qualityVerdict.verdict) {
case "fail":
return TUTOR_QUALITY_EXIT_CODES.qualityFail;
case "inconclusive":
// R-PYR-2: a run skipped for a missing credential or a zero budget must not fail CI.
return report.runStatus === "not-run" ? TUTOR_QUALITY_EXIT_CODES.success : TUTOR_QUALITY_EXIT_CODES.inconclusive;
case "pass":
case "warn":
return TUTOR_QUALITY_EXIT_CODES.success;
}
}
export async function runTutorQualityCliMain(
argv: readonly string[],
dependencies: TutorQualityCliDependencies = {},
): Promise<number> {
const log = dependencies.log ?? console.log;
const error = dependencies.error ?? console.error;
try {
const { report } = await runTutorQualityCli(argv, dependencies);
log(JSON.stringify({
runId: report.runId,
runStatus: report.runStatus,
reason: report.reason,
qualityVerdict: report.qualityVerdict.verdict,
providerCalls: report.providerCalls,
}));
return tutorQualityExitCode(report);
} catch (error_: unknown) {
error(error_ instanceof Error ? error_.message : "Tutor Quality evaluation failed");
return TUTOR_QUALITY_EXIT_CODES.cliError;
}
}
const invokedDirectly = process.argv[1] !== undefined
&& import.meta.url === pathToFileURL(path.resolve(process.argv[1])).href;
Iif (invokedDirectly) {
process.exitCode = await runTutorQualityCliMain(process.argv.slice(2));
}
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