Refactored ImageProcessor to use explicit 'this.' member access for consistency and readability. Enhanced test files with XML documentation, explicit types, modern C# syntax, and clearer Moq setups. Enabled XML doc generation for test project. Updated assembly info and cache files as a result of build changes. No functional or behavioral changes.
Refactored all C# test files to use explicit namespace declarations and moved all using directives inside the namespace block for consistency. Updated assembly info and cache files to reflect the new build. Adjusted MvcTestingAppManifest.json to use fully qualified assembly names. No functional changes; all updates are related to code style, organization, and project metadata.