Fraud Review Loop

1IDLE --[ingest_flag]--> FLAGGED --[start_scoring]--> SCORING
2SCORING --[submit_score]--> PENDING_REVIEW
3PENDING_REVIEW --[dismiss_case]--> DISMISSED (terminal)
4PENDING_REVIEW --[analyst_review]--> REVIEWED --[close_case]--> CLOSED (terminal)

1import OpenAI from "openai";
2import { createOpenAIActorAdapter } from "@loop-engine/adapter-openai";
3 
4const openai = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });
5const scorer = createOpenAIActorAdapter(openai, { modelId: "gpt-4o" });
6 
7const { actor, decision } = await scorer.createSubmission({
8  loopId: "fraud.review",
9  loopName: "Fraud Review",
10  currentState: "SCORING",
11  availableSignals: [{ signalId: "submit_score", name: "Submit Score" }],
12  instruction: "Score fraud risk and provide suspicious patterns.",
13  evidence: { merchantId: "m-42", ipRisk: "high", velocitySpike: true }
14});
15 
16await engine.transition({
17  aggregateId: "txn-884422" as never,
18  transitionId: "submit_score" as never,
19  actor,
20  evidence: {
21    ...decision,
22    fraud_score: decision.confidence,
23    flagged_patterns: ["velocity_spike", "new_device", "geo_mismatch"],
24    transaction_context: { amount: 1480, currency: "USD" }
25  }
26});

1{
2  type: "loop.transition.executed",
3  loopId: "fraud.review",
4  aggregateId: "txn-884422",
5  transitionId: "analyst_review",
6  fromState: "PENDING_REVIEW",
7  toState: "REVIEWED",
8  actor: { type: "human", id: "analyst@bank.com" },
9  evidence: { disposition: "confirm_fraud", caseId: "FR-92011" }
10}