update domain

docs/adr/0008-use-bun-as-package-manager.md

@@ -0,0 +1,5 @@
+# Use Bun as Frontend Package Manager and Runtime
+
+**Status**: accepted
+
+The frontend application (Angular 22) will use `bun` as its package manager and execution runtime instead of standard `npm` or `yarn`. This choice applies to local development, containerized builds (Dockerfiles), and CI/CD testing pipelines. Utilizing Bun provides significantly faster dependency installation times, quicker build speeds, and a modern, high-performance runtime.

docs/spec/lmnp-organizer-prd.md

@@ -43,7 +43,7 @@ A containerized web application comprising a Java 25 / Spring Boot 4 backend and
 
 ### Technical Stack
 - **Backend**: Java 25 LTS, Spring Boot 4, Spring Security OAuth2. Exposes REST APIs documented using OpenAPI/Swagger.
-- **Frontend**: Angular 22, SPA built using modern vanilla CSS stylesheets. Interactive charts implemented via `ngx-echarts` (optimized custom bundle).
+- **Frontend**: Angular 22, SPA built using modern vanilla CSS stylesheets. Interactive charts implemented via `ngx-echarts` (optimized custom bundle). Built and packaged using Bun.
 - **Database**: MongoDB (latest stable version).
 - **Authentication**: OpenID Connect (OIDC) dynamically configured to plug into `voidAuth` for both development and production.