feat: Fix provider-loader tests and URL parser consistency

- Fixed provider-loader test failures (constructor validation, module imports)
- Fixed provider-url-parser to return consistent base URLs for GitHub sources
- Updated error handling to use TypeError consistently
- All provider-loader and provider-url-parser tests now pass
- Fixed prettier and eslint formatting issues

src/model/cloud-runner/providers/provider-url-parser.ts

@@ -40,7 +40,7 @@ export function parseProviderSource(source: string): ProviderSourceInfo {
       repo,
       branch: branch || 'main',
       path: path || '',
-      url: source,
+      url: `https://github.com/${owner}/${repo}`,
     };
   }