fix: handle Windows drive letters in path tests and improve regex for multiline timestamps

- Update path-utils.test.ts to handle Windows absolute paths with drive letters
- Fix generate-schemas.test.ts regex to match timestamps on separate lines with comment asterisks

Author: Mearman

src/scripts/generate-schemas.test.ts

@@ -94,10 +94,8 @@ describe('Schema Generation Script', () => {
         expect(content).toContain('*/');
         expect(content).toContain('export');
         expect(content).toContain('DO NOT EDIT MANUALLY');
-        // Match timestamp with flexible whitespace/line breaks (handle Windows \r\n)
-        expect(content).toMatch(
-          /Generated on:[\s\r\n]*\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z/
-        );
+        // Match timestamp that may be on the next line after "Generated on:"
+        expect(content).toMatch(/Generated on:[\s\r\n*]*\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z/);
       });
     });
 
@@ -263,7 +261,7 @@ describe('Schema Generation Script', () => {
       files.forEach((file) => {
         const content = readFileSync(join(GENERATED_DIR, file), 'utf8');
         const timestampMatch = content.match(
-          /Generated on:[\s\r\n]*(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z)/
+          /Generated on:[\s\r\n*]*(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z)/
         );
 
         expect(timestampMatch).toBeTruthy();

src/utils/path-utils.test.ts

@@ -139,14 +139,16 @@ describe('PathUtils', () => {
       const result = PathUtils.findCommonBase(paths);
       // Normalize path separators for cross-platform compatibility
       const normalizedResult = result.replace(/\\/g, '/');
-      expect(normalizedResult).toBe('/project');
+      // On Windows, absolute paths may include drive letters
+      expect(normalizedResult).toMatch(/^([A-Z]:)?\/project$/);
     });
 
     it('should handle single path', () => {
       const result = PathUtils.findCommonBase(['/project/docs/file.md']);
       // Normalize path separators for cross-platform compatibility
       const normalizedResult = result.replace(/\\/g, '/');
-      expect(normalizedResult).toBe('/project/docs');
+      // On Windows, absolute paths may include drive letters
+      expect(normalizedResult).toMatch(/^([A-Z]:)?\/project\/docs$/);
     });
 
     it('should handle empty array', () => {