fix: add mcp SDK to dependencies and fix file encoding in utils

- Add mcp>=1.0.0 to pyproject.toml dependencies (fixes ModuleNotFoundError on fresh install)
- Add explicit utf-8 encoding to FileManager file operations

Author: mambo-wang

codewiki/src/utils.py

@@ -18,28 +18,28 @@ def ensure_directory(path: str) -> None:
     @staticmethod
     def save_json(data: Any, filepath: str) -> None:
         """Save data as JSON to file."""
-        with open(filepath, 'w') as f:
-            json.dump(data, f, indent=4)
-    
+        with open(filepath, 'w', encoding='utf-8') as f:
+            json.dump(data, f, indent=4, ensure_ascii=False)
+
     @staticmethod
     def load_json(filepath: str) -> Optional[Dict[str, Any]]:
         """Load JSON from file, return None if file doesn't exist."""
         if not os.path.exists(filepath):
             return None
-        
-        with open(filepath, 'r') as f:
+
+        with open(filepath, 'r', encoding='utf-8') as f:
             return json.load(f)
-    
+
     @staticmethod
     def save_text(content: str, filepath: str) -> None:
         """Save text content to file."""
-        with open(filepath, 'w') as f:
+        with open(filepath, 'w', encoding='utf-8') as f:
             f.write(content)
-    
+
     @staticmethod
     def load_text(filepath: str) -> str:
         """Load text content from file."""
-        with open(filepath, 'r') as f:
+        with open(filepath, 'r', encoding='utf-8') as f:
             return f.read()
 
 file_manager = FileManager()

pyproject.toml

@@ -57,7 +57,8 @@ dependencies = [
     "python-multipart>=0.0.20",
     "colorama>=0.4.6",
     "logfire>=4.1.0",
-    "coding-agent-wrapper>=0.1.2"
+    "coding-agent-wrapper>=0.1.2",
+    "mcp>=1.0.0"
 ]
 
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