Initial commit - Angular library: ui-essentials

🎯 Implementation Complete!

This library has been extracted from the monorepo and is ready for Git submodule distribution.

Features:
- Standardized SCSS imports (no relative paths)
- Optimized public-api.ts exports
- Independent Angular library structure
- Ready for consumer integration as submodule

🚀 Generated with Claude Code (https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

tsconfig.lib.prod.json

@@ -0,0 +1,11 @@
+/* To learn more about Typescript configuration file: https://www.typescriptlang.org/docs/handbook/tsconfig-json.html. */
+/* To learn more about Angular compiler options: https://angular.dev/reference/configs/angular-compiler-options. */
+{
+  "extends": "./tsconfig.lib.json",
+  "compilerOptions": {
+    "declarationMap": false
+  },
+  "angularCompilerOptions": {
+    "compilationMode": "partial"
+  }
+}