Add diagnostic logging system for sprite rendering debug

Scribe: log sprite rendering fix session

Add sync-webview-assets skill documentation

Document synchronous sprite loading decision and learnings

Fix sprite rendering with cache-busting and synchronous RGBA loading

Fix race condition: postMessage handler was clearing embedded character sheets

fix: use createImageBitmap and skip removeBackground for character sprites

fix: embed character sprites directly in webview bundle

fix: debug and fix character sprite sheet rendering pipeline

chore: update squad state — Lisa history + decision inbox entries

feat: replace character sprites with 2 new source sheets, remove C-E

Fix PNG rendering readiness pipeline

Import new tileset PNG and regenerate metadata with 103 items

feat: repack tileset + regenerate metadata + transparent character sprites

feat: replace oversized character sprites with 32x32 pixel art sheets