feat(catalog): persist idempotent bulk operations and retryable deliveries

src/features/operations/model.test.ts

@@ -0,0 +1,31 @@
+import { expect, it } from "vitest";
+import { operationHash, retryDelay, validateOperation } from "./model";
+
+it("hashes equivalent object payloads equally without ignoring array order", () => {
+	expect(operationHash({ b: 2, a: { y: 1, x: 0 } })).toBe(
+		operationHash({ a: { x: 0, y: 1 }, b: 2 }),
+	);
+	expect(operationHash([1, 2])).not.toBe(operationHash([2, 1]));
+});
+it("rejects unsupported or oversized input rather than hashing ambiguous values", () => {
+	expect(() => operationHash({ amount: NaN })).toThrow();
+	expect(() => operationHash({ value: undefined })).toThrow();
+	expect(() => operationHash("x".repeat(100000))).toThrow();
+});
+it("validates actor and request identity before database access", () => {
+	const valid = {
+		actorId: 1,
+		kind: "catalog.bulk.apply",
+		key: "123e4567-e89b-42d3-a456-426614174000",
+		input: {},
+	};
+	expect(() => validateOperation(valid)).not.toThrow();
+	expect(() => validateOperation({ ...valid, actorId: 0 })).toThrow();
+	expect(() => validateOperation({ ...valid, key: "shared" })).toThrow();
+	expect(() => validateOperation({ ...valid, kind: "bad kind" })).toThrow();
+});
+it("backs off boundedly for repeated delivery failures", () => {
+	expect(retryDelay(1)).toBe(60);
+	expect(retryDelay(2)).toBe(120);
+	expect(retryDelay(20)).toBe(3600);
+});