fix(lint): improved type checking and code maintainability

CHANGELOG.md

@@ -9,9 +9,9 @@ This format follows Keep a Changelog principles and aims for Semantic Versioning
 
 ## [Unreleased]
 ### Added
-- **Code Quality Improvements**: Enhanced type checking and code quality standards
-  - Configured gradual strict mode for Python type checking
-  - Created automated utilities for maintaining clean codebase
+- **Code Quality Tools**: Enhanced development tooling for maintainability
+  - Automated utilities for code cleanup
+  - Improved type checking configuration
 - **Card Image Caching**: Optional local image cache for faster card display
   - Downloads card images from Scryfall bulk data (respects API guidelines)
   - Graceful fallback to Scryfall API for uncached images
@@ -76,22 +76,19 @@ This format follows Keep a Changelog principles and aims for Semantic Versioning
 
 ### Changed
 - Migrated 5 templates to new component system (home, 404, 500, setup, commanders)
-- **Type Checking Configuration**: Adjusted mypy settings for better developer experience
-  - Enabled gradual strict mode for incremental type safety improvements
-  - Configured per-module strict checks for new code
+- **Type Checking Configuration**: Improved Python code quality tooling
+  - Configured type checker for better error detection
+  - Optimized linting rules for development workflow
 
 ### Fixed
-- **Code Quality**: Resolved numerous type checking warnings and improved code maintainability
-  - Fixed critical type annotation bugs
-  - Removed outdated type ignore comments
-  - Corrected dictionary type definitions
+- **Code Quality**: Resolved type checking warnings and improved code maintainability
+  - Fixed type annotation inconsistencies
+  - Cleaned up redundant code quality suppressions
+  - Corrected configuration conflicts
 
 ### Removed
 _None_
 
-### Fixed
-_None_
-
 ### Performance
 - Hot reload for CSS/template changes (no Docker rebuild needed)
 - Optional image caching reduces Scryfall API calls