Adds the two starter monster definitions and their location-monster
mapping (weights 70/30) to the vertical-slice seed, following the
same findOneBy/update-or-insert pattern used for locations, plus an
upsert on (locationId, monsterId) for the mapping. Copies the source
artwork into the served images/monsters directory and extends the
seed spec harness to cover both idempotent inserts.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
apps/web/public/images was shipping ~90 MB of source art (enemies, npc,
combat status icons, HUD icon originals/difficulty badges, unused
background paintings) that no component, template, or stylesheet
actually references, since Angular copies public/ verbatim into every
browser build. Moved everything not referenced under apps/web/src to a
new art/ directory at the repo root, preserving the original subfolder
layout; only the 11 files actually loaded by the app (runtime HUD/
background derivatives and their PNG fallbacks) remain under
apps/web/public/images. Documented the split in README.md.
