fix: resolve Python 3.8/3.9 compatibility issues

- Fix incorrect os.sys.version_info to sys.version_info
- Add missing sys import
- Update setup.py version to match __version__
- Fix author name consistency (Fahad Gilani)
- Add typing-extensions for Python <3.10 compatibility
- Apply black formatting to fix whitespace issues
- Add debug workflow to help diagnose CI failures

This should resolve the failing tests on Python 3.8 and 3.9.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

setup.py

@@ -13,17 +13,18 @@ if readme_path.exists():
 
 setup(
     name="gemini-mcp-server",
-    version="1.0.0",
+    version="2.2.0",
     description="Model Context Protocol server for Google Gemini",
     long_description=long_description,
     long_description_content_type="text/markdown",
-    author="Fahad Yousaf",
+    author="Fahad Gilani",
     python_requires=">=3.8",
     py_modules=["gemini_server"],
     install_requires=[
         "mcp>=1.0.0",
         "google-generativeai>=0.8.0",
         "python-dotenv>=1.0.0",
+        "typing-extensions>=4.0.0;python_version<'3.10'",
     ],
     extras_require={
         "dev": [