diff --git a/.github/actions/setup-go/action.yml b/.github/actions/setup-go/action.yml
index 854815dc..74e0b3e8 100644
--- a/.github/actions/setup-go/action.yml
+++ b/.github/actions/setup-go/action.yml
@@ -21,6 +21,7 @@ runs:
 
     - name: Clean Go module cache dir
       shell: bash
+      if: runner.os == 'linux'
       run: sudo rm -rf ~/go/pkg/mod/golang.org/toolchain*
 
     - name: Go cache
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0b1156e..118c5a3c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,9 +19,10 @@ env:
 jobs:
   test-go:
     name: Test Go
-    runs-on: rspack-ubuntu-22.04-large
+    runs-on: ${{ matrix.runner }}
     strategy:
       matrix:
+        runner: [rspack-ubuntu-22.04-large, windows-latest]
         go-version: ['1.24.1']
     steps:
       - name: Checkout code
@@ -39,13 +40,16 @@ jobs:
           go-version: ${{ matrix.go-version }}
           cache-name: test-go
       - name: golangci-lint
+        if: runner.os == 'Linux'
         uses: golangci/golangci-lint-action@v8
         with:
           version: v2.3.0
           args: --timeout=5m ./cmd/... ./internal/...
       - name: go vet
+        if: runner.os == 'Linux'
         run: npm run lint:go
       - name: go fmt
+        if: runner.os == 'Linux'
         run: npm run format:go
       - name: Unit Test
         run: |
@@ -53,9 +57,10 @@ jobs:
 
   test-node:
     name: Test npm packages
-    runs-on: rspack-ubuntu-22.04-large
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        os: [rspack-ubuntu-22.04-large, windows-latest]
         go-version: ['1.24.1']
     steps:
       - name: Checkout code
@@ -73,16 +78,18 @@ jobs:
         uses: ./.github/actions/setup-node
 
       - name: Format
+        if: runner.os == 'Linux'
         run: pnpm format:check
 
       - name: Build
         run: pnpm build
 
       - name: TypeCheck
+        if: runner.os == 'Linux'
         run: pnpm typecheck
 
-      - name: Install xvfb and dependencies
-        if: ${{ runner.os == 'Linux' && runner.environment == 'self-hosted' }}
+      - name: Install xvfb and dependencies (Linux only)
+        if: runner.os == 'Linux'
         run: |
           sudo apt update
           sudo apt install -y libasound2 libgbm1 libgtk-3-0 libnss3 xvfb
@@ -91,9 +98,9 @@ jobs:
         uses: lynx-infra/cache@5c6160a6a4c7fca80a2f3057bb9dfc9513fcb732
         with:
           path: packages/vscode-extension/.vscode-test
-          key: 'vscode-test'
+          key: vscode-test-${{ matrix.os }}
           restore-keys: |
-            - 'vscode-test-'
+            vscode-test-${{ matrix.os }}-
 
       - name: Test on Linux
         if: runner.os == 'Linux'
@@ -104,9 +111,11 @@ jobs:
         run: pnpm -r test
 
       - name: Check Spell
+        if: runner.os == 'Linux'
         run: pnpm check-spell
 
       - name: Lint
+        if: runner.os == 'Linux'
         run: pnpm run lint
 
   done:
@@ -114,7 +123,7 @@ jobs:
       - test-go
       - test-node
     if: always()
-    runs-on: rspack-ubuntu-22.04-large
+    runs-on: ubuntu-latest
     name: CI Done
     steps:
       - run: exit 1
diff --git a/cmd/rslint/api.go b/cmd/rslint/api.go
index 4958975d..c93eaccd 100644
--- a/cmd/rslint/api.go
+++ b/cmd/rslint/api.go
@@ -48,11 +48,14 @@ func (h *IPCHandler) HandleLint(req api.LintRequest) (*api.LintResponse, error)
 	allowedFiles := []string{}
 	// Apply file contents if provided
 	if len(req.FileContents) > 0 {
-		fs = utils.NewOverlayVFS(fs, req.FileContents)
-		for file := range req.FileContents {
-
-			allowedFiles = append(allowedFiles, file) // Collect allowed files from request
+		fileContents := make(map[string]string, len(req.FileContents))
+		for k, v := range req.FileContents {
+			normalizePath := tspath.NormalizePath(k)
+			fileContents[normalizePath] = v
+			allowedFiles = append(allowedFiles, normalizePath)
 		}
+		fs = utils.NewOverlayVFS(fs, fileContents)
+
 	}
 
 	// Initialize rule registry with all available rules
diff --git a/cmd/rslint/lsp.go b/cmd/rslint/lsp.go
index e2bf310b..21e1d3f7 100644
--- a/cmd/rslint/lsp.go
+++ b/cmd/rslint/lsp.go
@@ -8,6 +8,7 @@ import (
 	"io"
 	"log"
 	"os"
+	"path/filepath"
 	"strings"
 	"sync"
 
@@ -394,7 +395,7 @@ func findRslintConfig(fs vfs.FS, workingDir string) (string, bool) {
 
 	// Strategy 1: Try in the working directory
 	for _, configName := range defaultConfigs {
-		configPath := workingDir + "/" + configName
+		configPath := filepath.Join(workingDir, configName)
 		if fs.FileExists(configPath) {
 			return configPath, true
 		}
diff --git a/internal/config/config.go b/internal/config/config.go
index 5ebd6f45..3744d71d 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -2,10 +2,10 @@ package config
 
 import (
 	"os"
-	"path/filepath"
 	"strings"
 
 	"github.com/bmatcuk/doublestar/v4"
+	"github.com/microsoft/typescript-go/shim/tspath"
 	importPlugin "github.com/web-infra-dev/rslint/internal/plugins/import"
 	"github.com/web-infra-dev/rslint/internal/rule"
 	"github.com/web-infra-dev/rslint/internal/rules/adjacent_overload_signatures"
@@ -362,13 +362,13 @@ 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 := doublestar.Match(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 := doublestar.Match(pattern, filePath); err == nil && matched {
 				return true
 			}
 		}
@@ -376,7 +376,7 @@ func isFileIgnored(filePath string, ignorePatterns []string) bool {
 		// 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 := doublestar.Match(pattern, unixPath); err == nil && matched {
 				return true
 			}
 		}
@@ -386,25 +386,16 @@ func isFileIgnored(filePath string, ignorePatterns []string) bool {
 
 // normalizePath converts file path to be relative to cwd for consistent matching
 func normalizePath(filePath, cwd string) string {
-	cleanPath := filepath.Clean(filePath)
-
-	// If absolute path, try to make it relative to working directory
-	if filepath.IsAbs(cleanPath) {
-		if relPath, err := filepath.Rel(cwd, cleanPath); err == nil {
-			// Only use relative path if it doesn't go outside the working directory
-			if !strings.HasPrefix(relPath, "..") {
-				return relPath
-			}
-		}
-	}
-
-	return cleanPath
+	return tspath.NormalizePath(tspath.ConvertToRelativePath(filePath, tspath.ComparePathsOptions{
+		UseCaseSensitiveFileNames: true,
+		CurrentDirectory:          cwd,
+	}))
 }
 
 // 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 := doublestar.Match(pattern, filePath); err == nil && matched {
 			return true
 		}
 	}
diff --git a/internal/config/cwd_test.go b/internal/config/cwd_test.go
index 59b586b1..f6f9c3d4 100644
--- a/internal/config/cwd_test.go
+++ b/internal/config/cwd_test.go
@@ -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 := doublestar.Match(tt.pattern, tt.path)
 			if err != nil {
 				t.Errorf("doublestar.PathMatch error: %v", err)
 				return