Refactor print statements for consistency and clarity across multiple files; remove unnecessary imports and improve code readability in pin_locator.py, routing.py, symbol_creator.py, wire_manager.py, factory.py, ipc_backend.py, kicad_interface.py, resource_definitions.py, test_ipc_backend.py, kicad_process.py, platform_helper.py, test_platform_helper.py. Add French README for KiCAD MCP Server with detailed features, installation instructions, and usage examples.

python/utils/kicad_process.py

@@ -3,7 +3,6 @@ KiCAD Process Management Utilities
 
 Detects if KiCAD is running and provides auto-launch functionality.
 """
-import os
 import subprocess
 import logging
 import platform

python/utils/platform_helper.py

@@ -82,9 +82,9 @@ class PlatformHelper:
             # Check system Python dist-packages (modern KiCAD 9+ on Ubuntu/Debian)
             # This is where pcbnew.py typically lives on modern systems
             candidates.extend([
-                Path(f"/usr/lib/python3/dist-packages"),
+                Path("/usr/lib/python3/dist-packages"),
                 Path(f"/usr/lib/python{py_version}/dist-packages"),
-                Path(f"/usr/local/lib/python3/dist-packages"),
+                Path("/usr/local/lib/python3/dist-packages"),
                 Path(f"/usr/local/lib/python{py_version}/dist-packages"),
             ])