| |
|
|
| export const JEV_CHAMPION = 'typesafe/jev-1.13'; |
| export const JEV_CHALLENGER = 'typesafe/jev-1.14'; |
| const ENDPOINT = 'https://openrouter.ai/api/v1/systemone'; |
|
|
| const PROTECTED = ['financial', 'healthcare', 'education'] as const; |
|
|
| export const QUESTIONS = { |
| claims_sector: { |
| type: 'choice', |
| instructions: |
| 'What kind of organization does the caller claim to be from, and what relationship does the message imply with the listener?', |
| criteria: { |
| financial: 'A bank, card issuer or credit union contacting the listener about an account or card they already have', |
| healthcare: 'A pharmacy, doctor, hospital or health insurer contacting the listener about their own care or prescription', |
| education: 'A school or school district contacting families', |
| solicitation: 'A lender, dealer or seller offering a new loan, credit, rate, warranty, insurance or other deal', |
| government: 'Government agency such as IRS, Social Security, police', |
| utility_telecom: 'Utility, phone or internet provider', |
| retail_delivery: 'Retailer or delivery company such as Amazon, UPS', |
| other: 'Some other organization', |
| none: 'No organization is identified', |
| }, |
| }, |
| specific_detail: { |
| type: 'noul', |
| instructions: |
| "Does the message contain concrete specifics a genuine organization would know, such as card or account last 4 digits, an exact amount, a merchant, a date, or the recipient's name?", |
| }, |
| official_channel: { |
| type: 'noul', |
| instructions: |
| 'Does the message tell the listener to use an official channel they already have, such as the number on the back of their card, the official app, or the website?', |
| }, |
| pressure: { |
| type: 'noul', |
| instructions: 'Does the message use threats or urgency, such as arrest, lawsuit, account suspension, or a deadline?', |
| }, |
| agent_or_credentials: { |
| type: 'noul', |
| instructions: |
| 'Does the message push the listener to press a key to reach a live agent, or to give or verify personal, account or payment details?', |
| }, |
| sales_pitch: { |
| type: 'noul', |
| instructions: 'Is the message offering a product, loan, rate, warranty, insurance or other deal?', |
| }, |
| self_assertion: { |
| type: 'noul', |
| instructions: "The message itself claims to be legitimate, verified, official, or 'not a scam'.", |
| }, |
| category: { |
| type: 'choice', |
| instructions: 'What kind of automated voicemail is this?', |
| criteria: { |
| legit_alert: |
| 'Genuine service alert from an organization the recipient does business with (fraud alert, prescription, appointment, school notice)', |
| scam: 'Fraud, impersonation or pretext to extract money or credentials', |
| marketing_robocall: 'Unsolicited sales, loan, warranty or other marketing pitch', |
| unsure: 'Too short or unclear to tell', |
| }, |
| }, |
| } as const; |
|
|
| export interface Evidence { |
| |
| knownScript?: { id: number; p: number } | null; |
| sector: string; |
| protected: number; |
| specific: number; |
| official: number; |
| pressure: number; |
| agent: number; |
| sales: number; |
| selfAssert: number; |
| catLegit: number; |
| catScam: number; |
| catMkt: number; |
| } |
|
|
| export interface JevResult { |
| evidence: Evidence; |
| model: string; |
| raw: unknown; |
| } |
|
|
| type Answers = Record<string, { choice?: string; probabilities?: Record<string, number>; noul?: number }>; |
|
|
| export interface KnownScript { |
| id: number; |
| sample: string; |
| } |
|
|
| const NONE = 'none'; |
|
|
| |
| export function buildQuestions(known: KnownScript[]) { |
| if (!known.length) return QUESTIONS; |
| const criteria: Record<string, string> = Object.fromEntries(known.map((k) => [`s${k.id}`, `Same campaign as: "${k.sample.slice(0, 300)}"`])); |
| criteria[NONE] = 'A different message that is not one of the scripts above'; |
| return { |
| ...QUESTIONS, |
| known_script: { |
| type: 'choice', |
| instructions: |
| 'Is this voicemail a new recording of one of these known robocall scripts (same caller campaign, same offer or pretext, possibly reworded), or something different?', |
| criteria, |
| }, |
| }; |
| } |
|
|
| export function toEvidence(answers: Answers): Evidence { |
| const sector = answers.claims_sector.probabilities!; |
| const cat = answers.category.probabilities!; |
| const ks = answers.known_script; |
| const knownScript = |
| ks && ks.choice && ks.choice !== NONE ? { id: Number(ks.choice.slice(1)), p: ks.probabilities![ks.choice] ?? 0 } : null; |
| return { |
| knownScript, |
| sector: answers.claims_sector.choice!, |
| protected: PROTECTED.reduce((sum, k) => sum + (sector[k] ?? 0), 0), |
| specific: answers.specific_detail.noul!, |
| official: answers.official_channel.noul!, |
| pressure: answers.pressure.noul!, |
| agent: answers.agent_or_credentials.noul!, |
| sales: answers.sales_pitch.noul!, |
| selfAssert: answers.self_assertion.noul!, |
| catLegit: cat.legit_alert ?? 0, |
| catScam: cat.scam ?? 0, |
| catMkt: cat.marketing_robocall ?? 0, |
| }; |
| } |
|
|
| export async function askJev(transcript: string, apiKey: string, model = JEV_CHAMPION, known: KnownScript[] = []): Promise<JevResult> { |
| const res = await fetch(ENDPOINT, { |
| method: 'POST', |
| headers: { Authorization: `Bearer ${apiKey}`, 'Content-Type': 'application/json' }, |
| body: JSON.stringify({ model, state: transcript, questions: buildQuestions(known) }), |
| signal: AbortSignal.timeout(15_000), |
| }); |
| if (!res.ok) throw new Error(`jev ${model} ${res.status}: ${(await res.text()).slice(0, 200)}`); |
| const body = (await res.json()) as { model: string; answers: Answers }; |
| return { evidence: toEvidence(body.answers), model: body.model, raw: body.answers }; |
| } |
|
|
