Introduce bulk operation extensions and transaction helpers for efficient, batched EF Core operations. Refactor MediaStreamInfo schema by splitting audio/video details into dedicated tables, reducing table bloat and improving update performance. Add migration for data movement and schema changes. Update EF Core models and context for new structure. Enhance PostgreSQL provider configuration and add comprehensive documentation and monitoring guides. Includes minor middleware and code cleanups.
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.