refactor: enforce enum machine codes #18

Use owner enums for known codes; preserve wire values and unknown fallbacks.

Verified npm ci and verify: 379 tests, 5 lint checks, app and Storybook builds.

src/entities/broker-operation/model/display.test.ts

@@ -0,0 +1,23 @@
+import { expect, it } from "vitest";
+
+import { operationLabelKey } from "./display";
+
+it.each([
+	["OPERATION_TYPE_BUY", "buy"],
+	["OPERATION_TYPE_BUY_CARD", "buy"],
+	["OPERATION_TYPE_BUY_MARGIN", "buy"],
+	["OPERATION_TYPE_SELL", "sell"],
+	["OPERATION_TYPE_SELL_CARD", "sell"],
+	["OPERATION_TYPE_SELL_MARGIN", "sell"],
+	["OPERATION_TYPE_DIV_EXT", "dividend"],
+	["OPERATION_TYPE_DIVIDEND", "dividend"],
+	["OPERATION_TYPE_DIVIDEND_TRANSFER", "dividend"],
+	["OPERATION_TYPE_INPUT_SECURITIES", "input"],
+	["OPERATION_TYPE_OUTPUT_SECURITIES", "output"],
+	["OPERATION_TYPE_FUTURE_TAX", "tax"],
+	["OPERATION_TYPE_FUTURE_FEE", "fee"],
+	["OPERATION_TYPE_TRANS_FUTURE", "transfer"],
+	["FUTURE_UNKNOWN_OPERATION", "other"],
+])("preserves the wire operation label for %s", (type, label) => {
+	expect(operationLabelKey(type)).toBe(`ledger.operationType.${label}`);
+});