GitLab

Features:
- React + TypeScript + Vite + OpenLayers frontend
- Support for FlatGeobuf (.fgb) vector data
- Support for PMTiles (.pmtiles) vector tiles
- Support for COG (.tif) raster data
- Complete API integration for data management
- Data upload, conversion, and visualization
- Interactive map viewer with multiple data formats

Components:
- MapWithFlatGeobuf: Stream-based vector data loading
- MapWithPMTiles: Vector tile-based rendering
- MapWithCOG: Cloud-optimized GeoTIFF support
- DataManager: Complete data management interface
- MapDataViewer: Interactive multi-format viewer

Documentation:
- API_DESIGN.md: Complete RESTful API specification
- DATA_FORMATS.md: Data conversion and usage guide
- README.md: Project overview and quick start
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>