- Added compatibility lookups for legacy single-SVG callers to ensure existing workflows function during migration to new architecture.
- Implemented `getLayerSvg`, `getLayerSurface`, and `queryMap` functions as stable globals.
- Migrated relevant code in `draw-state-labels.ts` to utilize the new `queryMap` function for scene-aware lookups.
- Updated `layers.js` to manage layer visibility and registration more effectively.
- Introduced `LayersModule` to handle layer registration, visibility, and ordering.
- Created `WebGLSurfaceLayer` and `SvgLayer` classes to encapsulate layer behavior.
- Refactored `TextureAtlasLayer` to utilize the new layer management system.
- Updated HTML structure to accommodate new SVG and canvas elements.
- Ensured all TypeScript checks pass with zero errors on modified files.
- Added documentation for Story 1.6 outlining the requirements and acceptance criteria for migrating shared defs-backed resources to a dedicated host.
- Updated sprint status to reflect the readiness of Story 1.6 for development.
- Created epics document detailing the breakdown of the Fantasy-Map-Generator project, including functional and non-functional requirements.
- Added implementation readiness report assessing the current state of documentation and readiness for the project.
- Introduced end-to-end tests for scene bootstrap to ensure runtime hosts are created and reused correctly.
