fix: null safety for market data components and backend CI

apps/backend/package.json

@@ -3,11 +3,12 @@
   "version": "0.0.1",
   "private": true,
   "scripts": {
+    "postinstall": "prisma generate",
     "build": "nest build",
     "start:dev": "nest start --watch",
     "start:prod": "node dist/main",
     "lint": "eslint \"{src,test}/**/*.ts\"",
-    "test": "vitest run",
+    "test": "VITE_CJS_IGNORE_WARNING=1 vitest run",
     "test:watch": "vitest"
   },
   "dependencies": {

apps/frontend/src/api/responses.ts

@@ -9,10 +9,10 @@ export interface ApiEnvelope<T> {
 }
 
 export interface StockMarketData {
-  price: number;
+  price: number | null;
-  change: number;
+  change: number | null;
-  changePercent: number;
+  changePercent: number | null;
-  open: number;
+  open: number | null;
   high: number | null;
   low: number | null;
   volume: number;
@@ -52,11 +52,11 @@ export interface ShareHistoryItem {
 }
 
 export interface BondMarketData {
-  price: number;
+  price: number | null;
   yieldToMaturity: number | null;
   duration: number | null;
-  accruedInt: number;
+  accruedInt: number | null;
-  couponValue: number;
+  couponValue: number | null;
   couponPercent: number | null;
   nextCouponDate: string | null;
   open: number;

apps/frontend/src/components/BondDetails.tsx

@@ -28,7 +28,9 @@ export function BondDetails({ bond }: BondDetailsProps) {
         <div style={{ fontSize: 14, color: 'var(--color-text-secondary)' }}>{bond.isin}</div>
       </div>
 
-      <div style={{ fontSize: 36, fontWeight: 700, marginBottom: 4 }}>{md.price.toFixed(2)}%</div>
+      <div style={{ fontSize: 36, fontWeight: 700, marginBottom: 4 }}>
+        {md.price?.toFixed(2) ?? '—'}%
+      </div>
 
       <div style={{ marginTop: 16 }}>
         <div style={rowStyle}>
@@ -44,7 +46,7 @@ export function BondDetails({ bond }: BondDetailsProps) {
         <div style={rowStyle}>
           <span>Купон</span>
           <span>
-            {md.couponValue} ₽ {md.couponPercent != null ? `(${md.couponPercent}%)` : ''}
+            {md.couponValue ?? '—'} ₽ {md.couponPercent != null ? `(${md.couponPercent}%)` : ''}
           </span>
         </div>
         <div style={rowStyle}>
@@ -57,7 +59,7 @@ export function BondDetails({ bond }: BondDetailsProps) {
         </div>
         <div style={rowStyle}>
           <span>НКД</span>
-          <span>{md.accruedInt.toFixed(2)} ₽</span>
+          <span>{md.accruedInt?.toFixed(2) ?? '—'} ₽</span>
         </div>
         <div style={rowStyle}>
           <span>Доходность к погашению</span>

apps/frontend/src/components/StockDetails.tsx

@@ -13,7 +13,7 @@ const rowStyle: React.CSSProperties = {
 
 export function StockDetails({ stock }: StockDetailsProps) {
   const md = stock.marketData;
-  const isPositive = md.change >= 0;
+  const isPositive = (md.change ?? 0) >= 0;
 
   return (
     <div
@@ -34,7 +34,7 @@ export function StockDetails({ stock }: StockDetailsProps) {
       </div>
 
       <div style={{ fontSize: 36, fontWeight: 700, marginBottom: 4 }}>
-        {md.price.toLocaleString('ru-RU', { minimumFractionDigits: 2 })}{' '}
+        {md.price?.toLocaleString('ru-RU', { minimumFractionDigits: 2 }) ?? '—'}{' '}
         <span
           style={{
             fontSize: 18,
@@ -42,14 +42,14 @@ export function StockDetails({ stock }: StockDetailsProps) {
           }}
         >
           {isPositive ? '+' : ''}
-          {md.change.toFixed(2)} ({md.changePercent.toFixed(2)}%)
+          {(md.change ?? 0).toFixed(2)} ({(md.changePercent ?? 0).toFixed(2)}%)
         </span>
       </div>
 
       <div style={{ marginTop: 16 }}>
         <div style={rowStyle}>
           <span>Открытие</span>
-          <span>{md.open.toFixed(2)}</span>
+          <span>{md.open?.toFixed(2) ?? '—'}</span>
         </div>
         <div style={rowStyle}>
           <span>Максимум</span>

package-lock.json

@@ -19,6 +19,7 @@
     "apps/backend": {
       "name": "@moex-vibe/backend",
       "version": "0.0.1",
+      "hasInstallScript": true,
       "dependencies": {
         "@libsql/client": "^0.17.3",
         "@nestjs/axios": "^3.0.0",