refactor: align frontend ownership boundaries

Close audit gaps across API drift, query policy, UI, and tests.

src/entities/broker-operation/ui/LedgerEntryRow.tsx

@@ -2,32 +2,15 @@ import { Avatar, Paper, Stack, Text } from "@mantine/core";
 import type { FC } from "react";
 import { useState } from "react";
 import { useTranslation } from "react-i18next";
-import {
-	formatMoney,
-	formatSnapshotTime,
-	instrumentLogoUrl,
-} from "@/entities/portfolio";
+import { formatSnapshotTime, instrumentLogoUrl } from "@/shared/lib";
 import type { BrokerageOperation } from "../api/useBrokerageOperations";
+import { paymentPresentation } from "../model/display";
 import classes from "./LedgerEntryRow.module.css";
 
 type LedgerEntryRowProps = {
 	operation: BrokerageOperation;
 };
 
-type PaymentPresentation = {
-	amount: string;
-	label: string;
-	tone: "positive" | "negative" | "neutral";
-};
-
-function entryLabelKey(operation: BrokerageOperation): string {
-	if (operation.category === "income")
-		return operation.type === "OPERATION_TYPE_COUPON"
-			? "ledger.entryLabel.income.coupon"
-			: "ledger.entryLabel.income.dividend";
-	return `ledger.category.${operation.category}`;
-}
-
 const LedgerEntryRow: FC<LedgerEntryRowProps> = (props) => {
 	const { operation } = props;
 	const { t } = useTranslation();
@@ -72,39 +55,4 @@ const LedgerEntryRow: FC<LedgerEntryRowProps> = (props) => {
 	);
 };
 
-function paymentPresentation(
-	operation: BrokerageOperation,
-): PaymentPresentation {
-	if (!operation.payment)
-		return {
-			amount: "—",
-			label: "ledger.noMoney",
-			tone: "neutral",
-		};
-	if (isZeroDecimal(operation.payment.value))
-		return {
-			amount: formatMoney(operation.payment),
-			label: "ledger.noMoney",
-			tone: "neutral",
-		};
-	if (operation.payment.value.startsWith("-"))
-		return {
-			amount: `−${formatMoney({
-				...operation.payment,
-				value: operation.payment.value.slice(1),
-			})}`,
-			label: entryLabelKey(operation),
-			tone: "negative",
-		};
-	return {
-		amount: `+${formatMoney(operation.payment)}`,
-		label: entryLabelKey(operation),
-		tone: "positive",
-	};
-}
-
-function isZeroDecimal(value: string): boolean {
-	return /^-?0(?:\.0+)?$/.test(value);
-}
-
 export { LedgerEntryRow };