diff --git a/.gitignore b/.gitignore
index 206992f..4afc560 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,5 @@ Makefile
 # local test directory
 docker-compose.yml
 tmp
+
+staticlint
diff --git a/cmd/reset/main.go b/cmd/reset/main.go
new file mode 100644
index 0000000..28181ad
--- /dev/null
+++ b/cmd/reset/main.go
@@ -0,0 +1,179 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"go/ast"
+	"go/format"
+	"go/parser"
+	"go/token"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"golang.org/x/tools/go/packages"
+)
+
+func main() {
+	// Настройка конфигурации.
+	cfg := &packages.Config{
+		Mode:  packages.NeedName | packages.NeedFiles | packages.NeedSyntax | packages.NeedTypes,
+		Tests: false,
+		Fset:  token.NewFileSet(),
+		// заставляет парсер сохранять комментарии
+		ParseFile: func(fset *token.FileSet, filename string, src []byte) (*ast.File, error) {
+			return parser.ParseFile(fset, filename, src, parser.ParseComments)
+		},
+	}
+
+	fmt.Println("Сканирую пакеты...")
+	// parser.ParseDir устарел
+	pkgs, err := packages.Load(cfg, "./...")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, pkg := range pkgs {
+		if len(pkg.Errors) > 0 {
+			fmt.Printf("Ошибки в пакете %s: %v\n", pkg.PkgPath, pkg.Errors)
+			continue
+		}
+		processPackage(pkg)
+	}
+}
+
+func hasResetComment(doc *ast.CommentGroup) bool {
+	if doc == nil {
+		return false
+	}
+	for _, c := range doc.List {
+		if strings.Contains(c.Text, "// generate:reset") {
+			return true
+		}
+	}
+	return false
+}
+
+func processPackage(pkg *packages.Package) {
+	var buf bytes.Buffer
+	hasMatches := false
+
+	// Перебираем файлы в пакете
+	for _, file := range pkg.Syntax {
+		for _, decl := range file.Decls {
+			genDecl, ok := decl.(*ast.GenDecl)
+			// Ищем объявления TYPE
+			if !ok || genDecl.Tok != token.TYPE {
+				continue
+			}
+
+			// Проверяем наличие комментария
+			if !hasResetComment(genDecl.Doc) {
+				continue
+			}
+
+			for _, spec := range genDecl.Specs {
+				typeSpec, ok := spec.(*ast.TypeSpec)
+				if !ok {
+					continue
+				}
+
+				structType, ok := typeSpec.Type.(*ast.StructType)
+				if !ok {
+					continue
+				}
+
+				if !hasMatches {
+					buf.WriteString(fmt.Sprintf("// Code generated by reset-gen. DO NOT EDIT.\npackage %s\n\n", pkg.Name))
+					hasMatches = true
+				}
+
+				structName := typeSpec.Name.Name
+				buf.WriteString(fmt.Sprintf("func (s *%s) Reset() {\n", structName))
+
+				// Генерация логики для каждого поля
+				for _, field := range structType.Fields.List {
+					for _, name := range field.Names {
+						genFieldReset(&buf, name.Name, field.Type)
+					}
+				}
+
+				buf.WriteString("}\n\n")
+			}
+		}
+	}
+
+	if hasMatches {
+		formatted, err := format.Source(buf.Bytes())
+		if err != nil {
+			fmt.Printf("Ошибка форматирования: %v\n", err)
+			formatted = buf.Bytes()
+		}
+
+		dir := filepath.Dir(pkg.GoFiles[0])
+		outputPath := filepath.Join(dir, "reset.gen.go")
+		os.WriteFile(outputPath, formatted, 0644)
+		fmt.Printf("Сгенерирован файл: %s\n", outputPath)
+	}
+}
+
+// genFieldReset записывает логику сброса в зависимости от типа поля
+func genFieldReset(buf *bytes.Buffer, fieldName string, fieldType ast.Expr) {
+	switch t := fieldType.(type) {
+	case *ast.ArrayType:
+		// Правило: слайсы обрезаются, но не зануляются
+		buf.WriteString(fmt.Sprintf("\ts.%s = s.%s[:0]\n", fieldName, fieldName))
+
+	case *ast.MapType:
+		// Правило: мапы очищаются через clear()
+		buf.WriteString(fmt.Sprintf("\tclear(s.%s)\n", fieldName))
+
+	case *ast.StarExpr:
+		// Правило: не nil указатели сбрасывают свои значения
+		buf.WriteString(fmt.Sprintf("\tif s.%s != nil {\n\t\ts.%s.Reset()\n\t}\n", fieldName, fieldName))
+
+	case *ast.Ident:
+		// Примитивы (int, string, bool) или вложенные структуры в том же пакете
+		if isPrimitive(t.Name) {
+			buf.WriteString(fmt.Sprintf("\ts.%s = %s\n", fieldName, getZeroValue(t.Name)))
+		} else {
+			// Reset() должен быть реализован для вложенных структур
+			buf.WriteString(fmt.Sprintf("\ts.%s.Reset()\n", fieldName))
+		}
+
+	case *ast.SelectorExpr:
+		// Другие пакеты (например, time.Time)
+		// Вариантов типа бесконечно много, предполагаю что у них свой Reset
+		buf.WriteString(fmt.Sprintf("\ts.%s.Reset()\n", fieldName))
+
+	default:
+		// Универсальный сброс к zero value для всего остального
+		buf.WriteString(fmt.Sprintf("\ts.%s = *new(%s)\n", fieldName, "interface{}"))
+	}
+}
+
+func isPrimitive(name string) bool {
+	switch name {
+	case "bool", "string", "int", "int8", "int16", "int32", "int64",
+		"uint", "uint8", "uint16", "uint32", "uint64", "uintptr",
+		"byte", "rune", "float32", "float64", "complex64", "complex128":
+		return true
+	}
+	return false
+}
+
+func getZeroValue(name string) string {
+	switch name {
+	case "bool":
+		return "false"
+	case "string":
+		return `""`
+	case "int", "int8", "int16", "int32", "int64", "uint", "uint8", "uint16", "uint32", "uint64", "uintptr", "byte", "rune":
+		return "0"
+	case "float32", "float64":
+		return "0.0"
+	default:
+		return "nil"
+	}
+}
diff --git a/go.mod b/go.mod
index 5a9df9a..9a70dca 100644
--- a/go.mod
+++ b/go.mod
@@ -6,11 +6,16 @@ require (
 	github.com/gin-contrib/cors v1.7.6
 	github.com/gin-gonic/gin v1.11.0
 	github.com/jackc/pgx/v5 v5.8.0
+	github.com/kisielk/errcheck v1.10.0
 	github.com/pressly/goose/v3 v3.26.0
+	github.com/timakin/bodyclose v0.0.0-20260129054331-73d1f95b84b4
 	go.uber.org/zap v1.27.1
+	golang.org/x/tools v0.43.0
+	honnef.co/go/tools v0.7.0
 )
 
 require (
+	github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c // indirect
 	github.com/bytedance/gopkg v0.1.3 // indirect
 	github.com/bytedance/sonic v1.14.2 // indirect
 	github.com/bytedance/sonic/loader v0.4.0 // indirect
@@ -22,6 +27,8 @@ require (
 	github.com/go-playground/validator/v10 v10.28.0 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/goccy/go-yaml v1.18.0 // indirect
+	github.com/gostaticanalysis/analysisutil v0.7.1 // indirect
+	github.com/gostaticanalysis/comment v1.4.2 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
@@ -41,10 +48,13 @@ require (
 	go.uber.org/mock v0.6.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/arch v0.23.0 // indirect
-	golang.org/x/crypto v0.46.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
-	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.39.0 // indirect
-	golang.org/x/text v0.32.0 // indirect
+	golang.org/x/crypto v0.49.0 // indirect
+	golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678 // indirect
+	golang.org/x/mod v0.34.0 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
 )
diff --git a/go.sum b/go.sum
index c5df47d..a65942b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c h1:pxW6RcqyfI9/kWtOwnv/G+AzdKuy2ZrqINhenH4HyNs=
+github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
 github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
 github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
 github.com/bytedance/sonic v1.14.2 h1:k1twIoe97C1DtYUo+fZQy865IuHia4PR5RPiuGPPIIE=
@@ -31,11 +33,21 @@ github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
 github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
 github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gostaticanalysis/analysisutil v0.7.1 h1:ZMCjoue3DtDWQ5WyU16YbjbQEQ3VuzwxALrpYd+HeKk=
+github.com/gostaticanalysis/analysisutil v0.7.1/go.mod h1:v21E3hY37WKMGSnbsw2S/ojApNWb6C1//mXO48CXbVc=
+github.com/gostaticanalysis/comment v1.4.2 h1:hlnx5+S2fY9Zo9ePo4AhgYsYHbM2+eAv8m/s1JiCd6Q=
+github.com/gostaticanalysis/comment v1.4.2/go.mod h1:KLUTGDv6HOCotCH8h2erHKmpci2ZoR8VPu34YA2uzdM=
+github.com/gostaticanalysis/testutil v0.3.1-0.20210208050101-bfb5c8eec0e4 h1:d2/eIbH9XjD1fFwD5SHv8x168fjbQ9PB8hvs8DSEC08=
+github.com/gostaticanalysis/testutil v0.3.1-0.20210208050101-bfb5c8eec0e4/go.mod h1:D+FIZ+7OahH3ePw/izIEeH5I06eKs1IKI4Xr64/Am3M=
+github.com/hashicorp/go-version v1.2.1 h1:zEfKbn2+PDgroKdiOzqiE8rsmLqU2uwi5PB5pBJ3TkI=
+github.com/hashicorp/go-version v1.2.1/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
 github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo=
@@ -46,6 +58,8 @@ github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo
 github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/kisielk/errcheck v1.10.0 h1:Lvs/YAHP24YKg08LA8oDw2z9fJVme090RAXd90S+rrw=
+github.com/kisielk/errcheck v1.10.0/go.mod h1:kQxWMMVZgIkDq7U8xtG/n2juOjbLgZtedi0D+/VL/i8=
 github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
 github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
@@ -61,6 +75,12 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/otiai10/copy v1.2.0 h1:HvG945u96iNadPoG2/Ja2+AUJeW5YuFQMixq9yirC+k=
+github.com/otiai10/copy v1.2.0/go.mod h1:rrF5dJ5F0t/EWSYODDu4j9/vEeYHMkc8jt0zJChqQWw=
+github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE=
+github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6j4vs=
+github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
+github.com/otiai10/mint v1.3.1/go.mod h1:/yxELlJQ0ufhjUwhshSj+wFjZ78CnZ48/1wtmBH1OTc=
 github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
 github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -87,10 +107,17 @@ github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXl
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+github.com/tenntenn/modver v1.0.1 h1:2klLppGhDgzJrScMpkj9Ujy3rXPUspSjAcev9tSEBgA=
+github.com/tenntenn/modver v1.0.1/go.mod h1:bePIyQPb7UeioSRkw3Q0XeMhYZSMx9B8ePqg6SAMGH0=
+github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3 h1:f+jULpRQGxTSkNYKJ51yaw6ChIqO+Je8UqsTKN/cDag=
+github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3/go.mod h1:ON8b8w4BN/kE1EOhwT0o+d62W65a6aPw1nouo9LMgyY=
+github.com/timakin/bodyclose v0.0.0-20260129054331-73d1f95b84b4 h1:SiHe5XLTn9sFWJ5pBwJ5FN/4j34q9ZlOAD//kMoMYp0=
+github.com/timakin/bodyclose v0.0.0-20260129054331-73d1f95b84b4/go.mod h1:sDHLK7rb/59v/ZxZ7KtymgcoxuUMxjXq8gtu9VMOK8M=
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
 github.com/ugorji/go/codec v1.3.1 h1:waO7eEiFDwidsBN6agj1vJQ4AG7lh2yqXyOXqhgQuyY=
 github.com/ugorji/go/codec v1.3.1/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/mock v0.6.0 h1:hyF9dfmbgIX5EfOdasqLsWD6xqpNZlXblLB/Dbnwv3Y=
@@ -101,27 +128,63 @@ go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc=
 go.uber.org/zap v1.27.1/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 golang.org/x/arch v0.23.0 h1:lKF64A2jF6Zd8L0knGltUnegD62JMFBiCPBmQpToHhg=
 golang.org/x/arch v0.23.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
-golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
-golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.49.0 h1:+Ng2ULVvLHnJ/ZFEq4KdcDd/cfjrrjjNSXNzxg0Y4U4=
+golang.org/x/crypto v0.49.0/go.mod h1:ErX4dUh2UM+CFYiXZRTcMpEcN8b/1gxEuv3nODoYtCA=
 golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b h1:M2rDM6z3Fhozi9O7NWsxAkg/yqS/lQJ6PmkyIV3YP+o=
 golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b/go.mod h1:3//PLf8L/X+8b4vuAfHzxeRUl04Adcb341+IGKfnqS8=
-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
-golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678 h1:1P7xPZEwZMoBoz0Yze5Nx2/4pxj6nw9ZqHWXqP0iRgQ=
+golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678/go.mod h1:AbB0pIl9nAr9wVwH+Z2ZpaocVmF5I4GyWCDIsVjR0bk=
+golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.34.0 h1:xIHgNUUnW6sYkcM5Jleh05DvLOtwc6RitGHbDk4akRI=
+golang.org/x/mod v0.34.0/go.mod h1:ykgH52iCZe79kzLLMhyCUzhMci+nQj+0XkbXpNYtVjY=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.52.0 h1:He/TN1l0e4mmR3QqHMT2Xab3Aj3L9qjbhRm78/6jrW0=
+golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
+golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
-golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
-golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
+golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
+golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.35.0 h1:JOVx6vVDFokkpaq1AEptVzLTpDe9KGpj5tR4/X+ybL8=
+golang.org/x/text v0.35.0/go.mod h1:khi/HExzZJ2pGnjenulevKNX1W67CUy0AsXcNubPGCA=
 golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
 golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.1-0.20210205202024-ef80cdb6ec6d/go.mod h1:9bzcO0MWcOuT0tm1iBGzDVPshzfwoVvREIui8C+MHqU=
+golang.org/x/tools v0.1.1-0.20210302220138-2ac05c832e1a/go.mod h1:9bzcO0MWcOuT0tm1iBGzDVPshzfwoVvREIui8C+MHqU=
+golang.org/x/tools v0.43.0 h1:12BdW9CeB3Z+J/I/wj34VMl8X+fEXBxVR90JeMX5E7s=
+golang.org/x/tools v0.43.0/go.mod h1:uHkMso649BX2cZK6+RpuIPXS3ho2hZo4FVwfoy1vIk0=
+golang.org/x/tools/go/expect v0.1.1-deprecated h1:jpBZDwmgPhXsKZC6WhL20P4b/wmnpsEAGHaNy0n/rJM=
+golang.org/x/tools/go/expect v0.1.1-deprecated/go.mod h1:eihoPOH+FgIqa3FpoTwguz/bVUSGBlGQU67vpBeOrBY=
+golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated h1:1h2MnaIAIXISqTFKdENegdpAgUXz6NrPEsbIeWaBRvM=
+golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated/go.mod h1:RVAQXBGNv1ib0J382/DPCRS/BPnsGebyM1Gj5VSDpG8=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
 google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.7.0 h1:w6WUp1VbkqPEgLz4rkBzH/CSU6HkoqNLp6GstyTx3lU=
+honnef.co/go/tools v0.7.0/go.mod h1:pm29oPxeP3P82ISxZDgIYeOaf9ta6Pi0EWvCFoLG2vc=
 modernc.org/libc v1.66.3 h1:cfCbjTUcdsKyyZZfEUKfoHcP3S0Wkvz3jgSzByEWVCQ=
 modernc.org/libc v1.66.3/go.mod h1:XD9zO8kt59cANKvHPXpx7yS2ELPheAey0vjIuZOhOU8=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
diff --git a/internal/audit/audit.go b/internal/audit/audit.go
index 123875b..40ab71c 100644
--- a/internal/audit/audit.go
+++ b/internal/audit/audit.go
@@ -1,3 +1,4 @@
+// Package audit реализует подсистему аудита событий сервиса.
 package audit
 
 import "sync"
diff --git a/internal/audit/file.go b/internal/audit/file.go
index 8841d23..58e7ab9 100644
--- a/internal/audit/file.go
+++ b/internal/audit/file.go
@@ -35,7 +35,7 @@ func (f *FileObserver) Notify(event AuditEvent) {
 		log.Printf("audit file: failed to open file %s: %v", f.path, err)
 		return
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	if _, err := file.Write(data); err != nil {
 		log.Printf("audit file: failed to write event: %v", err)
diff --git a/internal/audit/http.go b/internal/audit/http.go
index be70393..dc0b7c1 100644
--- a/internal/audit/http.go
+++ b/internal/audit/http.go
@@ -37,5 +37,5 @@ func (h *HTTPObserver) Notify(event AuditEvent) {
 		log.Printf("audit http: failed to send event to %s: %v", h.url, err)
 		return
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 }
diff --git a/internal/handler/example_test.go b/internal/handler/example_test.go
index 618a66c..086bb3e 100644
--- a/internal/handler/example_test.go
+++ b/internal/handler/example_test.go
@@ -103,7 +103,7 @@ func ExampleURLHandler_Shorten() {
 	fmt.Println("Status:", w.Code)
 
 	var resp handler.APIResponse
-	json.Unmarshal(w.Body.Bytes(), &resp)
+	_ = json.Unmarshal(w.Body.Bytes(), &resp)
 	fmt.Println("Result contains base URL:", strings.Contains(resp.Result, "http://localhost:8080"))
 	// Output:
 	// Status: 201
@@ -153,7 +153,7 @@ func ExampleURLHandler_BatchShorten() {
 	fmt.Println("Status:", w.Code)
 
 	var resp []handler.ItemBatchResponse
-	json.Unmarshal(w.Body.Bytes(), &resp)
+	_ = json.Unmarshal(w.Body.Bytes(), &resp)
 	fmt.Println("Items:", len(resp))
 	fmt.Println("Has correlation_id:", resp[0].CorrelationID == "1")
 	// Output:
diff --git a/internal/middleware/middleware.go b/internal/middleware/middleware.go
index f701f2b..71ef7ef 100644
--- a/internal/middleware/middleware.go
+++ b/internal/middleware/middleware.go
@@ -1,3 +1,4 @@
+// Package middleware содержит HTTP-мидлвары для сервиса.
 package middleware
 
 import (
@@ -78,7 +79,7 @@ type gzipResponseWriter struct {
 // Flush сбрасывает буфер gzip-писателя.
 func (g *gzipResponseWriter) Flush() {
 	if g.shouldCompress && g.Writer != nil {
-		g.Writer.Flush()
+		_ = g.Writer.Flush()
 	}
 }
 
@@ -123,7 +124,7 @@ func CompressionResponse() gin.HandlerFunc {
 		gzWriter := &gzipResponseWriter{Writer: wc, ResponseWriter: wo}
 		defer func() {
 			if gzWriter.Writer != nil {
-				gzWriter.Writer.Close()
+				_ = gzWriter.Writer.Close()
 				gzipWriterPool.Put(wc)
 			}
 		}()
@@ -148,10 +149,10 @@ func DecompressionRequest() gin.HandlerFunc {
 		if encodingType == "gzip" {
 			body, err := gzip.NewReader(c.Request.Body)
 			if err != nil {
-				c.AbortWithError(http.StatusBadRequest, err)
+				_ = c.AbortWithError(http.StatusBadRequest, err)
 				return
 			}
-			defer body.Close()
+			defer func() { _ = body.Close() }()
 			c.Request.Body = body
 		}
 		c.Next()
diff --git a/internal/repository/db/postgres/postgres.go b/internal/repository/db/postgres/postgres.go
index 558f26f..5cf5c84 100644
--- a/internal/repository/db/postgres/postgres.go
+++ b/internal/repository/db/postgres/postgres.go
@@ -1,3 +1,4 @@
+// Package postgres реализует репозиторий для работы с PostgreSQL.
 package postgres
 
 import (
@@ -118,7 +119,7 @@ func (r *Repository) GetURLs(ctx context.Context) ([]repository.Data, error) {
 		}
 		return data, fmt.Errorf("failed to query URLs in GetURLs: %w", err)
 	}
-	defer rows.Close()
+	defer func() { _ = rows.Close() }()
 
 	for rows.Next() {
 		var id, shortURL, originalURL, userID string
@@ -146,7 +147,7 @@ func (r *Repository) InsertURLsBatch(ctx context.Context, data []repository.Data
 	if err != nil {
 		return fmt.Errorf("failed to get connection in InsertURLsBatch: %w", err)
 	}
-	defer conn.Close()
+	defer func() { _ = conn.Close() }()
 
 	err = conn.Raw(func(driverConn any) error {
 		pgConn := driverConn.(*stdlib.Conn).Conn()
@@ -158,16 +159,16 @@ func (r *Repository) InsertURLsBatch(ctx context.Context, data []repository.Data
 		}
 
 		br := pgConn.SendBatch(ctx, batch)
-		defer br.Close()
+		defer func() { _ = br.Close() }()
 
 		// Process results
 		for i := 0; i < len(data); i++ { // можно делать for idx, _ := range data {}, но так понятнее
-			_, err := br.Exec()
-			if err != nil {
-				if isUniqueViolation(err) {
+			_, execErr := br.Exec()
+			if execErr != nil {
+				if isUniqueViolation(execErr) {
 					return fmt.Errorf("failed to insert URL (id=%s) in batch: %w", data[i].ID, ErrUniqueViolation)
 				}
-				return fmt.Errorf("failed to insert URL (id=%s) in batch: %w", data[i].ID, err)
+				return fmt.Errorf("failed to insert URL (id=%s) in batch: %w", data[i].ID, execErr)
 			}
 		}
 
@@ -191,7 +192,7 @@ func (r *Repository) GetURLsByUser(ctx context.Context, userID string) ([]reposi
 		}
 		return data, fmt.Errorf("failed to query URLs by user in GetURLsByUser: %w", err)
 	}
-	defer rows.Close()
+	defer func() { _ = rows.Close() }()
 
 	for rows.Next() {
 		var id, shortURL, originalURL, uid string
diff --git a/internal/service/pprof_test.go b/internal/service/pprof_test.go
index c8cb50a..3e52a5f 100644
--- a/internal/service/pprof_test.go
+++ b/internal/service/pprof_test.go
@@ -73,7 +73,7 @@ func TestProfileMemory(t *testing.T) {
 	if err != nil {
 		t.Fatalf("не удалось создать файл профиля %s: %v", outPath, err)
 	}
-	defer f.Close()
+	defer func() { _ = f.Close() }()
 
 	if err := pprof.WriteHeapProfile(f); err != nil {
 		t.Fatalf("не удалось записать профиль: %v", err)
diff --git a/internal/worker/delete_worker.go b/internal/worker/delete_worker.go
index 04debeb..346cbfa 100644
--- a/internal/worker/delete_worker.go
+++ b/internal/worker/delete_worker.go
@@ -1,3 +1,4 @@
+// Package worker реализует фоновую обработку запросов на удаление URL.
 package worker
 
 import (
diff --git a/migrations/migrations.go b/migrations/migrations.go
index eb05421..4f3bac9 100644
--- a/migrations/migrations.go
+++ b/migrations/migrations.go
@@ -1,3 +1,4 @@
+// Package migrations содержит встроенные SQL-миграции для базы данных.
 package migrations
 
 import (
diff --git a/pkg/pool/pool.go b/pkg/pool/pool.go
new file mode 100644
index 0000000..000522e
--- /dev/null
+++ b/pkg/pool/pool.go
@@ -0,0 +1,42 @@
+package pool
+
+// Интерфейс ограничение
+type Resettable interface {
+	Reset()
+}
+
+// Pool с generic
+type Pool[T Resettable] struct {
+	items []T
+	new   func() T // подглядел у sync.Pool :)
+}
+
+// New - конструктор *Pool[T]. cap — вместимость пула, factory — функция создания нового объекта
+func New[T Resettable](cap int, factory func() T) *Pool[T] {
+	return &Pool[T]{
+		items: make([]T, 0, cap),
+		new:   factory,
+	}
+}
+
+// Put — кладет объект в пул, предварительно сбросив его
+func (p *Pool[T]) Put(item T) {
+	item.Reset()
+	p.items = append(p.items, item)
+}
+
+// Get — возвращает объект из пула
+// если запрашиваем объект, которого нет в пуле, создаем его через factory,
+// т.к. мы не можем запрашивать то, чего нет
+func (p *Pool[T]) Get() T {
+	n := len(p.items)
+
+	if n == 0 {
+		return p.new()
+	}
+
+	item := p.items[n-1]
+	p.items = p.items[:n-1]
+
+	return item
+}