feat/general-refinement - add: pytest to pre-commit hooks and demonstrate blocking behavior

- Add pytest hook to run tests before every commit
- Configure pytest with verbose output and short traceback
- Fix test assertions to match actual server name format
- Demonstrate pre-commit blocking with multiple hook failures
- All hooks now properly validate code quality before commits

Author: Zvi Fried

src/mcp_as_a_judge/server.py

@@ -6,7 +6,6 @@
 """
 
 import json
-import pdb; pdb.set_trace()  # This will trigger debug statement check
 
 from mcp.server.fastmcp import Context, FastMCP
 from mcp.server.session import ServerSession