Fix E402 lint failures in str_replace_editor

Move the module-level logger definition below the import block so all
imports sit at the top of the file.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

Author: anhnh2002

codewiki/src/be/agent_tools/str_replace_editor.py

@@ -14,16 +14,16 @@
 from pathlib import Path
 from typing import Annotated, Literal
 
-# Configure logging and monitoring
-
-logger = logging.getLogger(__name__)
-
 from pydantic import BeforeValidator
 from pydantic_ai import RunContext, Tool
 
 from ..utils import validate_mermaid_diagrams
 from .deps import CodeWikiDeps
 
+# Configure logging and monitoring
+
+logger = logging.getLogger(__name__)
+
 
 def _coerce_json_string(value):
     """Coerce a JSON encoded string to its parsed Python value before pydantic