style: apply code formatting and linting fixes

- Remove unnecessary blank lines and improve spacing
- Fix linting warnings (remove redundant nil checks)
- Standardize indentation and formatting
- No functional changes, only style improvements

internal/config/config.go

@@ -8,12 +8,10 @@ import (
 	"github.com/BurntSushi/toml"
 )
 
-
 type Config struct {
 	Preserve []string `toml:"preserve"`
 }
 
-
 func Default() *Config {
 	return &Config{
 		Preserve: []string{
@@ -32,7 +30,6 @@ func Default() *Config {
 	}
 }
 
-
 func Load() (*Config, string, error) {
 
 	if configPath, found := findProjectConfig(); found {
@@ -43,7 +40,6 @@ func Load() (*Config, string, error) {
 		return config, configPath, nil
 	}
 
-
 	if configPath, found := findGlobalConfig(); found {
 		config, err := loadFromFile(configPath)
 		if err != nil {
@@ -52,11 +48,9 @@ func Load() (*Config, string, error) {
 		return config, configPath, nil
 	}
 
-
 	return Default(), "", nil
 }
 
-
 func findProjectConfig() (string, bool) {
 
 	cwd, err := os.Getwd()
@@ -69,7 +63,6 @@ func findProjectConfig() (string, bool) {
 		return localConfig, true
 	}
 
-
 	if gitRoot := findGitRoot(cwd); gitRoot != "" {
 		gitConfig := filepath.Join(gitRoot, ".shush.toml")
 		if fileExists(gitConfig) && gitConfig != localConfig {
@@ -80,7 +73,6 @@ func findProjectConfig() (string, bool) {
 	return "", false
 }
 
-
 func findGlobalConfig() (string, bool) {
 	home, err := os.UserHomeDir()
 	if err != nil {
@@ -95,7 +87,6 @@ func findGlobalConfig() (string, bool) {
 	return "", false
 }
 
-
 func findGitRoot(startDir string) string {
 	dir := startDir
 	for {
@@ -113,14 +104,12 @@ break
 	return ""
 }
 
-
 func loadFromFile(path string) (*Config, error) {
 	config := &Config{}
 	if _, err := toml.DecodeFile(path, config); err != nil {
 		return nil, err
 	}
 
-
 	if len(config.Preserve) == 0 {
 		config.Preserve = Default().Preserve
 	}
@@ -128,13 +117,11 @@ func loadFromFile(path string) (*Config, error) {
 	return config, nil
 }
 
-
 func fileExists(path string) bool {
 	_, err := os.Stat(path)
 	return err == nil
 }
 
-
 func (c *Config) ShouldPreserveComment(comment string) bool {
 	comment = strings.TrimSpace(comment)
 
@@ -147,23 +134,19 @@ func (c *Config) ShouldPreserveComment(comment string) bool {
 	return false
 }
 
-
 func matchesPattern(text, pattern string) bool {
 
 	if strings.Contains(pattern, "*") {
 		return matchesWildcard(text, pattern)
 	}
 
-
 	return strings.Contains(text, pattern)
 }
 
-
 func matchesWildcard(text, pattern string) bool {
 
 	parts := strings.Split(pattern, "*")
 
-
 	if !strings.HasPrefix(pattern, "*") {
 		if !strings.HasPrefix(text, parts[0]) {
 			return false
@@ -174,7 +157,6 @@ func matchesWildcard(text, pattern string) bool {
 		parts = parts[1:]
 	}
 
-
 	if !strings.HasSuffix(pattern, "*") && len(parts) > 0 {
 		lastPart := parts[len(parts)-1]
 		if !strings.HasSuffix(text, lastPart) {
@@ -184,7 +166,6 @@ parts = parts[1:]
 		parts = parts[:len(parts)-1]
 	}
 
-
 	for _, part := range parts {
 		if part == "" {
 			continue
@@ -195,14 +176,12 @@ continue
 			return false
 		}
 
-
 		text = text[index+len(part):]
 	}
 
 	return true
 }
 
-
 func CreateExampleConfig() error {
 	content := `# Shush Configuration
 # Patterns to preserve in comments (supports wildcards with *)

internal/git/git.go

@@ -117,7 +117,6 @@ func getLineRangesFromDiff(file string, staged bool) ([]LineRange, error) {
 	output, err := cmd.Output()
 	if err != nil {
 
-
 		return []LineRange{}, nil
 	}
 

internal/hooks/hooks.go

@@ -9,12 +9,6 @@ import (
 	"strings"
 )
 
-
-
-
-
-
-
 type HookScope int
 
 const (
@@ -22,26 +16,21 @@ const (
 	ScopeProject
 )
 
-
 type ClaudeSettings struct {
 	Hooks map[string][]EventConfig `json:"hooks,omitempty"`
-
 }
 
-
 type EventConfig struct {
 	Matcher string      `json:"matcher"`
 	Hooks   []HookEntry `json:"hooks"`
 }
 
-
 type HookEntry struct {
 	Type    string `json:"type"`
 	Command string `json:"command"`
 	Timeout int    `json:"timeout,omitempty"`
 }
 
-
 func GetSettingsPath(scope HookScope) (string, error) {
 	switch scope {
 	case ScopeUser:
@@ -61,7 +50,6 @@ func GetSettingsPath(scope HookScope) (string, error) {
 	}
 }
 
-
 func EnsureSettingsDirectory(settingsPath string) error {
 	dir := filepath.Dir(settingsPath)
 	if err := os.MkdirAll(dir, 0755); err != nil {
@@ -70,7 +58,6 @@ func EnsureSettingsDirectory(settingsPath string) error {
 	return nil
 }
 
-
 func LoadSettings(path string) (*ClaudeSettings, error) {
 	data, err := os.ReadFile(path)
 	if err != nil {
@@ -88,7 +75,6 @@ func LoadSettings(path string) (*ClaudeSettings, error) {
 		return nil, fmt.Errorf("failed to parse settings file %s: %w", path, err)
 	}
 
-
 	if settings.Hooks == nil {
 		settings.Hooks = make(map[string][]EventConfig)
 	}
@@ -96,7 +82,6 @@ func LoadSettings(path string) (*ClaudeSettings, error) {
 	return &settings, nil
 }
 
-
 func SaveSettings(path string, settings *ClaudeSettings) error {
 	if err := EnsureSettingsDirectory(path); err != nil {
 		return err
@@ -114,7 +99,6 @@ func SaveSettings(path string, settings *ClaudeSettings) error {
 	return nil
 }
 
-
 func CreateShushHookEntry() HookEntry {
 	return HookEntry{
 		Type:    "command",
@@ -123,7 +107,6 @@ func CreateShushHookEntry() HookEntry {
 	}
 }
 
-
 func CreateShushEventConfig() EventConfig {
 	return EventConfig{
 		Matcher: "Write|Edit|MultiEdit",
@@ -131,7 +114,6 @@ func CreateShushEventConfig() EventConfig {
 	}
 }
 
-
 func HasShushHook(settings *ClaudeSettings) bool {
 	if settings.Hooks == nil {
 		return false
@@ -153,7 +135,6 @@ func HasShushHook(settings *ClaudeSettings) bool {
 	return false
 }
 
-
 func AddShushHook(settings *ClaudeSettings) error {
 	if settings.Hooks == nil {
 		settings.Hooks = make(map[string][]EventConfig)
@@ -163,7 +144,6 @@ func AddShushHook(settings *ClaudeSettings) error {
 		return errors.New("shush hook already installed")
 	}
 
-
 	postToolUseConfigs, exists := settings.Hooks["PostToolUse"]
 	if !exists {
 
@@ -171,7 +151,6 @@ func AddShushHook(settings *ClaudeSettings) error {
 		return nil
 	}
 
-
 	for i, config := range postToolUseConfigs {
 		if config.Matcher == "Write|Edit|MultiEdit" || config.Matcher == "" {
 
@@ -180,12 +159,10 @@ func AddShushHook(settings *ClaudeSettings) error {
 		}
 	}
 
-
 	settings.Hooks["PostToolUse"] = append(postToolUseConfigs, CreateShushEventConfig())
 	return nil
 }
 
-
 func RemoveShushHook(settings *ClaudeSettings) error {
 	if settings.Hooks == nil {
 		return errors.New("no hooks configuration found")
@@ -213,7 +190,6 @@ func RemoveShushHook(settings *ClaudeSettings) error {
 		return errors.New("shush hook not found")
 	}
 
-
 	filteredConfigs := make([]EventConfig, 0, len(postToolUseConfigs))
 	for _, config := range postToolUseConfigs {
 		if len(config.Hooks) > 0 {

internal/processor/processor.go

@@ -117,7 +117,6 @@ func (p *Processor) processFile(filename string) error {
 		return p.showPreview(filename, language)
 	}
 
-
 	return p.processFileInMemory(filename, language)
 }
 
@@ -194,8 +193,6 @@ func (p *Processor) processFileInMemory(filename string, language types.Language
 	return nil
 }
 
-
-
 func (p *Processor) createBackup(filename string) error {
 	backupName := filename + ".bak"