Angular 19 Migration Completed

Successfully migrated the application from Angular v18 to Angular v19.

Updated all Angular core and related dependencies to version 19.

Refactored components and services to align with new Angular 19 APIs, patterns, and improvements.

Addressed breaking changes and updates related to RxJS and Angular compiler behavior.

Improved application performance and load times by leveraging Angular 19’s enhanced lazy loading and optimization features.

Updated Tailwind components to ensure full compatibility with v19.

Resolved build-time and runtime issues caused by deprecated APIs and removed legacy modules from earlier Angular versions.