Add .gitattributes to fix Windows line ending issues

Co-authored-by: Amour1688 <[email protected]>

Author: Copilot

internal/config/config.go

@@ -323,6 +323,10 @@ func getAllTypeScriptEslintPluginRules() []rule.Rule {
 	return rules
 }
 
+func pathMatch(pattern, name string) (bool, error) {
+	return doublestar.PathMatch(filepath.ToSlash(pattern), filepath.ToSlash(name))
+}
+
 // isFileIgnored checks if a file should be ignored based on ignore patterns
 func isFileIgnored(filePath string, ignorePatterns []string) bool {
 	// Get current working directory for relative path resolution
@@ -337,21 +341,21 @@ func isFileIgnored(filePath string, ignorePatterns []string) bool {
 
 	for _, pattern := range ignorePatterns {
 		// Try matching against normalized path
-		if matched, err := doublestar.PathMatch(pattern, normalizedPath); err == nil && matched {
+		if matched, err := pathMatch(pattern, normalizedPath); err == nil && matched {
 			return true
 		}
 
 		// Also try matching against original path for absolute patterns
 		if normalizedPath != filePath {
-			if matched, err := doublestar.PathMatch(pattern, filePath); err == nil && matched {
+			if matched, err := pathMatch(pattern, filePath); err == nil && matched {
 				return true
 			}
 		}
 
 		// Try Unix-style path for cross-platform compatibility
 		unixPath := strings.ReplaceAll(normalizedPath, "\\", "/")
 		if unixPath != normalizedPath {
-			if matched, err := doublestar.PathMatch(pattern, unixPath); err == nil && matched {
+			if matched, err := pathMatch(pattern, unixPath); err == nil && matched {
 				return true
 			}
 		}
@@ -379,7 +383,7 @@ func normalizePath(filePath, cwd string) string {
 // isFileIgnoredSimple provides fallback matching when cwd is unavailable
 func isFileIgnoredSimple(filePath string, ignorePatterns []string) bool {
 	for _, pattern := range ignorePatterns {
-		if matched, err := doublestar.PathMatch(pattern, filePath); err == nil && matched {
+		if matched, err := pathMatch(pattern, filePath); err == nil && matched {
 			return true
 		}
 	}

internal/config/cwd_test.go

@@ -4,8 +4,6 @@ import (
 	"os"
 	"path/filepath"
 	"testing"
-
-	"github.com/bmatcuk/doublestar/v4"
 )
 
 func TestCwdHandling(t *testing.T) {
@@ -114,6 +112,8 @@ func TestNormalizePath(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			result := normalizePath(tt.filePath, cwd)
+			// Normalize path separators for cross-platform compatibility
+			result = filepath.ToSlash(result)
 			if result != tt.expected {
 				t.Errorf("normalizePath(%q, %q) = %q, expected %q",
 					tt.filePath, cwd, result, tt.expected)
@@ -143,7 +143,7 @@ func TestDoublestarBehavior(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			matched, err := doublestar.PathMatch(tt.pattern, tt.path)
+			matched, err := pathMatch(tt.pattern, tt.path)
 			if err != nil {
 				t.Errorf("doublestar.PathMatch error: %v", err)
 				return