BL-104 Ideas

Stage asset composer: wall/door/lighting geometry + VTT export

Current stage asset composer (BL-079/ADR-0068) handles decorative environmental assets (free placement, scaling, rotation, z-ordering) but treats them all as flat decoration. A richer version would treat walls/doors/windows as first-class vector geometry with line-of-sight/lighting calculations, plus export support for external virtual tabletops. A real jump in scope – needs a geometry/lighting model, not just more sprites, and likely its own ADR for the data model (wall segments, door states, light sources) before building. Deliberately deprioritised behind session-running tooling (BL-099) as of 2026-07-06 – general feature dev, not currently the priority while the live game is active.