diff --git a/.gitattributes b/.gitattributes
index e5de65de..8059fadd 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,4 @@
-* text=auto eof=lf
+* text=auto eol=lf
 
 ################################################################################
 # The following files are binary and should be left untouched.
@@ -25,7 +25,6 @@
 cfn-init binary
 *.node   binary
 *.wasm   binary
-*.bat    binary
 
 # Documents
 *.pdf    binary
@@ -36,7 +35,6 @@ cfn-init binary
 *.ppt    binary
 *.pptx   binary
 *.odt    binary
-*.csv    binary
 
 # Images
 *.png    binary
@@ -48,7 +46,6 @@ cfn-init binary
 *.tif    binary
 *.tiff   binary
 *.webp   binary
-*.svg    binary
 
 # Audio & Video
 *.mp3    binary
@@ -63,3 +60,10 @@ cfn-init binary
 *.jks      binary
 *.db       binary
 *.sqlite   binary
+
+# Windows batch files must always use CRLF, or they may fail to execute.
+*.bat text eol=crlf
+*.cmd text eol=crlf
+
+# PowerShell can handle LF, but CRLF is safer for Windows-specific scripts
+*.ps1 text eol=crlf
diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 23166af3..18efdfe9 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -58,11 +58,9 @@ jobs:
         run: npm run build
 
       - name: Code Quality
-        if: runner.os != 'Windows'
         run: npm run lint && npm run check:duplicates
 
       - name: Test
-        if: runner.os != 'Windows'
         run: npm run test
 
   build-test-go:
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 5b4ac06b..9a312b0c 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -12,9 +12,9 @@ jobs:
   pr-build-test-nodejs:
     needs: [ get-configs ]
     strategy:
-      fail-fast: true
+      fail-fast: false
       matrix:
-        os: [ ubuntu-latest, macos-latest ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
     runs-on: ${{ matrix.os }}
     permissions:
       contents: read
@@ -35,7 +35,6 @@ jobs:
         run: npm run build
 
       - name: Code Quality
-        if: runner.os != 'Windows'
         run: npm run lint && npm run check:duplicates
 
       - name: Test
@@ -44,9 +43,9 @@ jobs:
   pr-build-test-go:
     needs: [ get-configs ]
     strategy:
-      fail-fast: true
+      fail-fast: false
       matrix:
-        os: [ ubuntu-latest, macos-latest ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
diff --git a/src/utils/ErrorStackInfo.ts b/src/utils/ErrorStackInfo.ts
index d70485fd..a2c0dff4 100644
--- a/src/utils/ErrorStackInfo.ts
+++ b/src/utils/ErrorStackInfo.ts
@@ -12,12 +12,12 @@ export function determineSensitiveInfo(): string[] {
         errorStackInfo = __dirname
             .replaceAll('\\\\', '/')
             .replaceAll('\\', '/')
-            .split('/')
+            .split(/[/:]/)
             .map((x) => {
                 return x.trim();
             })
             .filter((x) => {
-                return x.length > 0;
+                return x.length > 1;
             });
     } catch (err) {
         LoggerFactory.getLogger('SensitiveInfo').warn(err, 'Cannot get __dirname');
diff --git a/tst/unit/artifactexporter/ArtifactExporter.test.ts b/tst/unit/artifactexporter/ArtifactExporter.test.ts
index a2b66b67..9b849c45 100644
--- a/tst/unit/artifactexporter/ArtifactExporter.test.ts
+++ b/tst/unit/artifactexporter/ArtifactExporter.test.ts
@@ -1,20 +1,17 @@
-import { existsSync, statSync, mkdtempSync, copyFileSync } from 'fs';
-import { tmpdir } from 'os';
-import { join, basename, extname } from 'path';
+import { join } from 'path';
+import { pathToFileURL } from 'url';
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 import { ArtifactExporter } from '../../../src/artifactexporter/ArtifactExporter';
 import { DocumentType } from '../../../src/document/Document';
 import { S3Service } from '../../../src/services/S3Service';
 
 vi.mock('../../../src/services/S3Service');
-vi.mock('fs');
-vi.mock('os');
-vi.mock('path');
-vi.mock('archiver');
+
+const FIXTURES_DIR = join(__dirname, '..', '..', 'resources', 'templates', 'artifact');
 
 describe('ArtifactExporter', () => {
     let mockS3Service: S3Service;
-    const templatePath = `file:///${join(__dirname, 'template.yaml')}`;
+    const templatePath = pathToFileURL(join(FIXTURES_DIR, 'template.yaml')).href;
 
     const BASIC_TEMPLATE = 'Resources:\n  Bucket:\n    Type: AWS::S3::Bucket';
 
@@ -23,7 +20,7 @@ Resources:
   MyFunction:
     Type: AWS::Lambda::Function
     Properties:
-      Code: ./src/lambda
+      Code: ./code
       Runtime: nodejs18.x
       Handler: index.handler
       FunctionName: MyTestFunction
@@ -62,22 +59,6 @@ Resources:
             putObjectContent: vi.fn(),
             putObject: vi.fn().mockResolvedValue({ VersionId: 'v123' }),
         } as any;
-
-        vi.mocked(existsSync).mockReturnValue(true);
-        vi.mocked(statSync).mockReturnValue({
-            isFile: () => true,
-            isDirectory: () => false,
-        } as any);
-        vi.mocked(tmpdir).mockReturnValue('/tmp');
-        vi.mocked(join).mockImplementation((...args) => args.join('/'));
-        vi.mocked(basename).mockImplementation((path) => path?.split('/').pop() ?? '');
-        vi.mocked(extname).mockImplementation((path) => {
-            if (!path) return '';
-            const parts = path.split('.');
-            return parts.length > 1 ? '.' + parts[parts.length - 1] : '';
-        });
-        vi.mocked(mkdtempSync).mockReturnValue('/tmp/cfn-123');
-        vi.mocked(copyFileSync).mockImplementation(() => {});
     });
 
     describe('getTemplateArtifacts', () => {
@@ -88,7 +69,7 @@ Resources:
             expect(artifacts).toEqual([
                 {
                     resourceType: 'AWS::Lambda::Function',
-                    filePath: './src/lambda',
+                    filePath: './code',
                 },
             ]);
         });
@@ -111,7 +92,7 @@ Resources:
             const template = new ArtifactExporter(
                 mockS3Service,
                 DocumentType.YAML,
-                `file:///${join(__dirname, 'path/to/template.yaml')}`,
+                pathToFileURL(join(FIXTURES_DIR, 'path/to/template.yaml')).href,
                 BASIC_TEMPLATE,
             );
             expect(template).toBeDefined();
@@ -121,7 +102,7 @@ Resources:
             const template = new ArtifactExporter(
                 mockS3Service,
                 DocumentType.YAML,
-                `file:///${join(__dirname, 'path/to/template.yaml')}`,
+                pathToFileURL(join(FIXTURES_DIR, 'path/to/template.yaml')).href,
                 BASIC_TEMPLATE,
             );
             const result = await template.export('test-bucket');
@@ -133,10 +114,15 @@ Resources:
 
             const result = await exporter.export('test-bucket');
 
+            expect(mockS3Service.putObject).toHaveBeenCalledWith(
+                expect.stringMatching(/\.zip$/),
+                expect.stringMatching(/^s3:\/\/test-bucket\/artifact\/.*\.zip$/),
+            );
+
             const resources = (result as any).Resources;
             expect(resources.MyFunction.Properties.Code).toEqual({
                 S3Bucket: 'test-bucket',
-                S3Key: expect.stringMatching(/^artifact\/cfn-123-\d+$/),
+                S3Key: expect.stringMatching(/^artifact\/.*\.zip$/),
                 S3ObjectVersion: 'v123',
             });
             expect(resources.MyFunction.Properties.Runtime).toBe('nodejs18.x');
@@ -147,17 +133,17 @@ Resources:
         });
 
         it('should update Serverless function CodeUri to S3 URL', async () => {
-            const exporter = new ArtifactExporter(
-                mockS3Service,
-                DocumentType.YAML,
-                `file:///${join(__dirname, 'template.yaml')}`,
-                SERVERLESS_TEMPLATE,
-            );
+            const exporter = new ArtifactExporter(mockS3Service, DocumentType.YAML, templatePath, SERVERLESS_TEMPLATE);
 
             const result = await exporter.export('my-bucket');
 
+            expect(mockS3Service.putObject).toHaveBeenCalledWith(
+                expect.stringMatching(/\.zip$/),
+                expect.stringMatching(/^s3:\/\/my-bucket\/artifact\/.*\.zip$/),
+            );
+
             const resources = (result as any).Resources;
-            expect(resources.MyFunction.Properties.CodeUri).toMatch(/^s3:\/\/my-bucket\/artifact\/cfn-123-\d+$/);
+            expect(resources.MyFunction.Properties.CodeUri).toMatch(/^s3:\/\/my-bucket\/artifact\/.*\.zip$/);
             expect(resources.MyFunction.Properties.Runtime).toBe('python3.9');
             expect(resources.MyFunction.Properties.Handler).toBe('app.lambda_handler');
             expect(resources.MyFunction.Properties.Description).toBe('Test serverless function');
diff --git a/tst/unit/services/cfnLint/PyodideWorkerManager.test.ts b/tst/unit/services/cfnLint/PyodideWorkerManager.test.ts
index b37663c5..e619b827 100644
--- a/tst/unit/services/cfnLint/PyodideWorkerManager.test.ts
+++ b/tst/unit/services/cfnLint/PyodideWorkerManager.test.ts
@@ -925,7 +925,7 @@ describe('PyodideWorkerManager', () => {
             });
 
             // Expect initialization to fail with timeout error
-            await expect(retryWorkerManager.initialize()).rejects.toThrow(/Pyodide initialization timed out after 3/);
+            await expect(retryWorkerManager.initialize()).rejects.toThrow(/Pyodide initialization timed out after/);
 
             const totalTime = Date.now() - startTime;
 
diff --git a/vitest.config.ts b/vitest.config.ts
index 271cc84f..87991e15 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -13,10 +13,10 @@ export default defineConfig({
             include: ['src/**/*.{js,ts}'],
             enabled: true,
             thresholds: {
-                statements: 85,
-                branches: 85,
-                functions: 85,
-                lines: 85,
+                statements: 88,
+                branches: 88,
+                functions: 88,
+                lines: 88,
             },
             exclude: [
                 'src/ai/**',