Initial curated projectbrain source from 8a7b1e0651dbdab97d744cbd2e653ab3970ac6c5

backend/test/deliveryLifecycle.test.ts

@@ -0,0 +1,19 @@
+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+    expect(canTransitionFeatureDeliveryStatus("superseded", "approved")).toBe(false);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+  it("rejects a transition that would reactivate superseded or released work", () =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 assertFeatureDeliveryTransition("superseded", "executing")).toThrow("FEATURE_DELIVERY_INVALID_TRANSITION");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");
+  });
+});