chore: apply lint and formatting fixes for 0.14.4 release (#290)

Signed-off-by: Joe P <joe@basicmemory.com>
Co-authored-by: Claude <noreply@anthropic.com>

src/basic_memory/file_utils.py

@@ -240,40 +240,37 @@ async def update_frontmatter(path: FilePath, updates: Dict[str, Any]) -> str:
 def dump_frontmatter(post: frontmatter.Post) -> str:
     """
     Serialize frontmatter.Post to markdown with Obsidian-compatible YAML format.
-    
+
     This function ensures that tags are formatted as YAML lists instead of JSON arrays:
-    
+
     Good (Obsidian compatible):
     ---
     tags:
     - system
-    - overview  
+    - overview
     - reference
     ---
-    
+
     Bad (current behavior):
     ---
     tags: ["system", "overview", "reference"]
     ---
-    
+
     Args:
         post: frontmatter.Post object to serialize
-        
+
     Returns:
         String containing markdown with properly formatted YAML frontmatter
-    """    
+    """
     if not post.metadata:
         # No frontmatter, just return content
         return post.content
-        
+
     # Serialize YAML with block style for lists
     yaml_str = yaml.dump(
-        post.metadata,
-        sort_keys=False,
-        allow_unicode=True,
-        default_flow_style=False
+        post.metadata, sort_keys=False, allow_unicode=True, default_flow_style=False
     )
-    
+
     # Construct the final markdown with frontmatter
     if post.content:
         return f"---\n{yaml_str}---\n\n{post.content}"
@@ -297,4 +294,3 @@ def sanitize_for_filename(text: str, replacement: str = "-") -> str:
     text = re.sub(f"{re.escape(replacement)}+", replacement, text)
 
     return text.strip(replacement)
-