feat(text_editor.py): add logging for error handling to improve debugging

refactor(test_text_editor.py): remove debug print statements to clean up test output

Author: tumf

src/mcp_text_editor/text_editor.py

@@ -1,11 +1,14 @@
 """Core text editor functionality with file operation handling."""
 
 import hashlib
+import logging
 import os
 from typing import Any, Dict, List, Optional, Tuple
 
 from mcp_text_editor.models import EditPatch, FileRanges
 
+logger = logging.getLogger(__name__)
+
 
 class TextEditor:
     """Handles text file operations with security checks and conflict detection."""
@@ -426,8 +429,8 @@ async def edit_file_contents(
         except Exception as e:
             import traceback
 
-            print(f"Error: {str(e)}")
-            print(f"Traceback:\n{traceback.format_exc()}")
+            logger.error(f"Error: {str(e)}")
+            logger.error(f"Traceback:\n{traceback.format_exc()}")
             return {
                 "result": "error",
                 "reason": "Unexpected error occurred",

tests/test_text_editor.py

@@ -500,14 +500,6 @@ async def test_edit_file_with_none_line_end(editor, tmp_path):
     # Get file hash
     content, _, _, file_hash, _, _ = await editor.read_file_contents(str(test_file))
 
-    # デバッグ用の出力を追加
-    patch = {
-        "start": 2,
-        "end": None,  # This should replace from line 2 to end
-        "contents": "new2\nnew3\n",
-        "range_hash": editor.calculate_hash("line2\nline3\n"),
-    }
-    print(f"\nDebug - Patch being sent: {patch}")
     # Test replacement with None as end
     result = await editor.edit_file_contents(
         str(test_file),