v0.3.4

*Released: June 2026*

### 🛠 Core Engine Updates
- **Cable Schedule Export**: Initial implementation of the PDF and Excel cable schedule export engines.
- **Audience Views**: Added dynamic UI filtering based on the audience view (Installer vs Client) to simplify the visual interface for non-technical users.
- **Lighting Topology Rules**: Implemented internal logic checks for KNX DALI topologies, ensuring accurate validation of maximum addresses and bus lengths.

### 🌐 i18n & Localization
- Completed baseline string externalization.
- Established the `de.ts` and `en.ts` dictionary structure for the core application.

### 🐛 Bug Fixes
- Fixed a bug where resizing the window could cause the left sidebar to collapse incorrectly.
- Resolved an issue in the "Loading Overlay" component triggering unnecessary re-renders.