Create flow centralization and cleanup

tests/unit/createFlowRegistryScreenAlignment.test.ts

@@ -0,0 +1,13 @@
+import { describe, expect, it } from "vitest";
+import { CREATE_FLOW_SCREEN_REGISTRY } from "../../app/(app)/create/utils/createFlowScreenRegistry";
+import { VALID_STEPS } from "../../app/(app)/create/utils/flowSteps";
+
+describe("create flow registry vs valid steps (CR-92 §3)", () => {
+  it("CREATE_FLOW_SCREEN_REGISTRY defines every VALID_STEPS id", () => {
+    const keys = new Set(Object.keys(CREATE_FLOW_SCREEN_REGISTRY));
+    for (const step of VALID_STEPS) {
+      expect(keys.has(step), `missing registry entry for ${step}`).toBe(true);
+    }
+    expect(keys.size).toBe(VALID_STEPS.length);
+  });
+});