fix: update tests for module rename from mcp_cordra to cordra_mcp

- Updated all import statements in test files
- Added types-requests dependency for mypy type checking
- Fixed code formatting with ruff

pyproject.toml

@@ -60,4 +60,5 @@ dev = [
     "mypy>=1.16.1",
     "pytest-asyncio>=1.0.0",
     "ruff>=0.12.1",
+    "types-requests>=2.32.4.20250611",
 ]