diff --git a/backend/README.md b/backend/README.md
index e41f890..bf638b2 100644
--- a/backend/README.md
+++ b/backend/README.md
@@ -48,7 +48,7 @@ npm run dev -w backend
 
 ## Структура проекта
 
-```
+```text
 backend/src/
 ├── app.ts                  — точка входа: Express, миграции, монтирование роутов
 ├── config.ts               — чтение переменных окружения
diff --git a/frontend/README.md b/frontend/README.md
index 9bd6831..d00913b 100644
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -12,7 +12,7 @@ React SPA для учёта семейного бюджета: импорт ба
 
 ## Структура
 
-```
+```text
 frontend/
 ├── index.html                  — точка входа
 ├── vite.config.ts              — конфигурация Vite (прокси на backend)
diff --git a/package-lock.json b/package-lock.json
index b159813..f99ce4a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -85,6 +85,7 @@
       "integrity": "sha512-CGOfOJqWjg2qW/Mb6zNsDm+u5vFQ8DxXfbM09z69p5Z6+mE1ikP2jUXw+j42Pf1XTYED2Rni5f95npYeuwMDQA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.29.0",
         "@babel/generator": "^7.29.0",
@@ -1368,6 +1369,7 @@
       "integrity": "sha512-sKYVuV7Sv9fbPIt/442koC7+IIwK5olP1KWeD88e/idgoJqDm3JV/YUiPwkoKK92ylff2MGxSz1CSjsXelx0YA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@types/body-parser": "*",
         "@types/express-serve-static-core": "^5.0.0",
@@ -1436,6 +1438,7 @@
       "integrity": "sha512-ilcTH/UniCkMdtexkoCN0bI7pMcJDvmQFPvuPvmEaYA/NSfFTAgdUSLAoVjaRJm7+6PvcM+q1zYOwS4wTYMF9w==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "csstype": "^3.2.2"
       }
@@ -1569,6 +1572,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.9.0",
         "caniuse-lite": "^1.0.30001759",
@@ -2571,6 +2575,7 @@
       "resolved": "https://registry.npmjs.org/pg/-/pg-8.19.0.tgz",
       "integrity": "sha512-QIcLGi508BAHkQ3pJNptsFz5WQMlpGbuBGBaIaXsWK8mel2kQ/rThYI+DbgjUvZrIr7MiuEuc9LcChJoEZK1xQ==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "pg-connection-string": "^2.11.0",
         "pg-pool": "^3.12.0",
@@ -2668,6 +2673,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -2817,6 +2823,7 @@
       "resolved": "https://registry.npmjs.org/react/-/react-19.2.4.tgz",
       "integrity": "sha512-9nfp2hYpCwOjAN+8TZFGhtWEwgvWHXqESH8qT89AT/lWklpLON22Lc8pEtnpsZz7VmawabSU0gCjnj8aC0euHQ==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -2826,6 +2833,7 @@
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.4.tgz",
       "integrity": "sha512-AXJdLo8kgMbimY95O2aKQqsz2iWi9jMgKJhRBAxECE4IFxfcazB2LmzloIoibJI3C12IlY20+KFaLv+71bUJeQ==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "scheduler": "^0.27.0"
       },
@@ -3278,7 +3286,6 @@
       "os": [
         "aix"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3296,7 +3303,6 @@
       "os": [
         "android"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3314,7 +3320,6 @@
       "os": [
         "android"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3332,7 +3337,6 @@
       "os": [
         "android"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3350,7 +3354,6 @@
       "os": [
         "darwin"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3368,7 +3371,6 @@
       "os": [
         "darwin"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3386,7 +3388,6 @@
       "os": [
         "freebsd"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3404,7 +3405,6 @@
       "os": [
         "freebsd"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3422,7 +3422,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3440,7 +3439,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3458,7 +3456,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3476,7 +3473,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3494,7 +3490,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3512,7 +3507,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3530,7 +3524,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3548,7 +3541,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3566,7 +3558,6 @@
       "os": [
         "linux"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3584,7 +3575,6 @@
       "os": [
         "netbsd"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3602,7 +3592,6 @@
       "os": [
         "netbsd"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3620,7 +3609,6 @@
       "os": [
         "openbsd"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3638,7 +3626,6 @@
       "os": [
         "openbsd"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3656,7 +3643,6 @@
       "os": [
         "openharmony"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3674,7 +3660,6 @@
       "os": [
         "sunos"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3692,7 +3677,6 @@
       "os": [
         "win32"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3710,7 +3694,6 @@
       "os": [
         "win32"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3728,7 +3711,6 @@
       "os": [
         "win32"
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -3900,6 +3882,7 @@
       "integrity": "sha512-+Oxm7q9hDoLMyJOYfUYBuHQo+dkAloi33apOPP56pzj+vsdJDzr+j1NISE5pyaAuKL4A3UD34qd0lx5+kfKp2g==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.4.4",