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 {
@@ -106,63 +97,55 @@ func findGitRoot(startDir string) string {
 
 		parent := filepath.Dir(dir)
 		if parent == dir {
-break
+			break
 		}
 		dir = parent
 	}
 	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
 	}
-	
+
 	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)
-	
+
 	for _, pattern := range c.Preserve {
 		if matchesPattern(comment, pattern) {
 			return true
 		}
 	}
-	
+
 	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]) {
@@ -171,9 +154,8 @@ func matchesWildcard(text, pattern string) bool {
 		text = text[len(parts[0]):]
 		parts = parts[1:]
 	} else {
-parts = parts[1:]
+		parts = parts[1:]
 	}
-	
 
 	if !strings.HasSuffix(pattern, "*") && len(parts) > 0 {
 		lastPart := parts[len(parts)-1]
@@ -183,26 +165,23 @@ parts = parts[1:]
 		text = text[:len(text)-len(lastPart)]
 		parts = parts[:len(parts)-1]
 	}
-	
 
 	for _, part := range parts {
 		if part == "" {
-continue
+			continue
 		}
-		
+
 		index := strings.Index(text, part)
 		if index == -1 {
 			return false
 		}
-		
 
 		text = text[index+len(part):]
 	}
-	
+
 	return true
 }
 
-
 func CreateExampleConfig() error {
 	content := `# Shush Configuration
 # Patterns to preserve in comments (supports wildcards with *)
@@ -222,6 +201,6 @@ preserve = [
     "*DEBUG*",       # Example wildcard: preserves any comment containing DEBUG
 ]
 `
-	
+
 	return os.WriteFile(".shush.toml", []byte(content), 0644)
 }