fix: копеечные цены крипты не округлялись в $0

backend/app/core/config.py

@@ -7,7 +7,7 @@ from pydantic_settings import BaseSettings, SettingsConfigDict
 # title, /api/health (which the frontend reads to show it in Settings), and
 # embedded in exported backups so an old file can be told apart from a
 # current one.
-APP_VERSION = "1.1.4"
+APP_VERSION = "1.1.5"
 
 
 class Settings(BaseSettings):

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "aurum-frontend",
   "private": true,
-  "version": "1.1.4",
+  "version": "1.1.5",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/components/crypto/CryptoAllocationBody.tsx

@@ -1,5 +1,5 @@
 import { Cell, Pie, PieChart, ResponsiveContainer, Tooltip } from "recharts";
-import { formatCurrency, maskAmount } from "@/lib/format";
+import { formatCryptoAmount, maskAmount } from "@/lib/format";
 import { useTranslation } from "@/lib/i18n";
 import type { CryptoHolding } from "@/types";
 
@@ -65,7 +65,7 @@ function DonutTooltip({
     <div className="rounded-lg border border-border bg-surface-1 px-3 py-2 text-sm shadow-md">
       <p className="font-medium text-text-primary">{slice.key === "other" ? otherLabel : slice.name}</p>
       <p className="text-text-muted">
-        {maskAmount(formatCurrency(slice.amount), hidden)} · {slice.percent.toFixed(1)}%
+        {maskAmount(formatCryptoAmount(slice.amount), hidden)} · {slice.percent.toFixed(1)}%
       </p>
     </div>
   );
@@ -132,7 +132,7 @@ export function CryptoAllocationBody({ holdings, isLoading, hidden }: CryptoAllo
               <td className="py-1.5 pr-3 text-right font-medium tabular-nums text-text-primary">
                 {slice.percent.toFixed(1)}%
               </td>
-              <td className="py-1.5 text-right tabular-nums text-text-muted">{maskAmount(formatCurrency(slice.amount), hidden)}</td>
+              <td className="py-1.5 text-right tabular-nums text-text-muted">{maskAmount(formatCryptoAmount(slice.amount), hidden)}</td>
             </tr>
           ))}
         </tbody>

frontend/src/components/crypto/CryptoHoldingsTable.tsx

@@ -1,5 +1,5 @@
 import { Bitcoin, Plus, Trash2 } from "lucide-react";
-import { formatCurrency, maskAmount } from "@/lib/format";
+import { formatCryptoAmount, maskAmount } from "@/lib/format";
 import { useTranslation } from "@/lib/i18n";
 import type { CryptoHolding, CryptoPortfolio } from "@/types";
 
@@ -106,7 +106,7 @@ export function CryptoHoldingsTable({
                 </td>
                 <td className="py-3 pr-3 text-right tabular-nums text-text-primary">
                   {holding.current_price !== null
-                    ? maskAmount(formatCurrency(holding.current_price), hidden)
+                    ? maskAmount(formatCryptoAmount(holding.current_price), hidden)
                     : t("crypto.pendingPrice")}
                 </td>
                 <td className="py-3 pr-3 text-right">
@@ -120,20 +120,20 @@ export function CryptoHoldingsTable({
                 </td>
                 <td className="py-3 pr-3 text-right">
                   <span className="block tabular-nums text-text-primary">
-                    {holding.value !== null ? maskAmount(formatCurrency(holding.value), hidden) : t("crypto.pendingPrice")}
+                    {holding.value !== null ? maskAmount(formatCryptoAmount(holding.value), hidden) : t("crypto.pendingPrice")}
                   </span>
                   <span className="block text-xs tabular-nums text-text-muted">
                     {maskAmount(`${Number(holding.quantity)} ${holding.symbol}`, hidden)}
                   </span>
                 </td>
                 <td className="py-3 pr-3 text-right tabular-nums text-text-primary">
-                  {holding.avg_buy_price !== null ? maskAmount(formatCurrency(holding.avg_buy_price), hidden) : "—"}
+                  {holding.avg_buy_price !== null ? maskAmount(formatCryptoAmount(holding.avg_buy_price), hidden) : "—"}
                 </td>
                 <td className="py-3 pr-3 text-right">
                   {holding.profit_loss !== null && holding.profit_loss_percent !== null ? (
                     <>
                       <span className="block tabular-nums" style={{ color: profitColor }}>
-                        {maskAmount(`${sign}${formatCurrency(holding.profit_loss)}`, hidden)}
+                        {maskAmount(`${sign}${formatCryptoAmount(holding.profit_loss)}`, hidden)}
                       </span>
                       <span className="block text-xs tabular-nums" style={{ color: profitColor }}>
                         {sign}

frontend/src/components/crypto/CryptoTransactionHistoryModal.tsx

@@ -1,7 +1,7 @@
 import { Pencil, Trash2 } from "lucide-react";
 import { Dialog } from "@/components/ui/Dialog";
 import { useCryptoTransactions, useDeleteCryptoTransaction } from "@/hooks/useCrypto";
-import { formatCurrency, formatTransactionDate, maskAmount } from "@/lib/format";
+import { formatCryptoAmount, formatTransactionDate, maskAmount } from "@/lib/format";
 import { useTranslation } from "@/lib/i18n";
 import type { CryptoHolding, CryptoTransaction } from "@/types";
 
@@ -47,7 +47,7 @@ export function CryptoTransactionHistoryModal({ open, onClose, holding, hidden,
               </span>
               <span className="min-w-0 flex-1">
                 <span className="block text-sm text-text-primary">
-                  {maskAmount(`${Number(tx.quantity)} ${holding.symbol} · ${formatCurrency(tx.price_per_unit)}`, hidden)}
+                  {maskAmount(`${Number(tx.quantity)} ${holding.symbol} · ${formatCryptoAmount(tx.price_per_unit)}`, hidden)}
                 </span>
                 <span className="block text-xs text-text-muted">
                   {formatTransactionDate(tx.date, true)}

frontend/src/lib/format.ts

@@ -17,6 +17,29 @@ export function formatCurrency(amount: number | string, currency: string = getCu
   }).format(value);
 }
 
+/** Same currency formatting as formatCurrency, but scales decimal precision
+ * down to the value's own magnitude instead of always rounding to whole
+ * units — a low-cap memecoin can genuinely price at $0.000000006894, and
+ * formatCurrency's fixed 0 fraction digits would render that as "$0",
+ * indistinguishable from actually being worthless. Values >= 1 still show
+ * just 2 decimals (a coin price doesn't need more than cents once it's
+ * above a dollar). For the Crypto tab's per-coin price/holdings/avg-buy-price
+ * cells and per-transaction price — anywhere a single coin's own value
+ * needs to be told apart from zero, not just a portfolio-wide total. */
+export function formatCryptoAmount(amount: number | string, currency: string = getCurrency()): string {
+  const value = typeof amount === "string" ? Number(amount) : amount;
+  const abs = Math.abs(value);
+  const maximumFractionDigits =
+    abs === 0 || abs >= 1
+      ? 2
+      : // Leading zeros right after the decimal point before the first
+        // significant digit, plus 4 more digits of real precision beyond
+        // that — e.g. 0.000000006894 has 8 leading zeros, so this shows
+        // 12 decimal places, landing exactly on "6894" and nothing more.
+        Math.min(20, Math.max(0, -Math.floor(Math.log10(abs)) - 1) + 4);
+  return new Intl.NumberFormat(getIntlLocale(), { style: "currency", currency, maximumFractionDigits }).format(value);
+}
+
 export function formatSignedCurrency(amount: number | string, currency: string = getCurrency()): string {
   const value = typeof amount === "string" ? Number(amount) : amount;
   const sign = value > 0 ? "+" : "";