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TypeScript

import { describe, expect, it } from "vitest";
import { assertFeatureDeliveryTransition, canTransitionFeatureDeliveryStatus } from "../src/repositories/featureDeliveryRepository.js";
describe("feature delivery lifecycle invariants", () => {
it("allows only forward operational progress and explicit repair paths", () => {
expect(canTransitionFeatureDeliveryStatus("executing", "validating")).toBe(true);
expect(canTransitionFeatureDeliveryStatus("pull_request_open", "merged")).toBe(true);
expect(canTransitionFeatureDeliveryStatus("merged", "verified")).toBe(true);
expect(canTransitionFeatureDeliveryStatus("verified", "released")).toBe(true);
expect(canTransitionFeatureDeliveryStatus("released", "executing")).toBe(false);
expect(canTransitionFeatureDeliveryStatus("verified", "awaiting_approval")).toBe(false);
expect(canTransitionFeatureDeliveryStatus("superseded", "approved")).toBe(false);
});
it("rejects a transition that would reactivate superseded or released work", () => {
expect(() => assertFeatureDeliveryTransition("superseded", "executing")).toThrow("FEATURE_DELIVERY_INVALID_TRANSITION");
expect(() => assertFeatureDeliveryTransition("released", "approved")).toThrow("FEATURE_DELIVERY_INVALID_TRANSITION");
});
});