refactor: Host brain assets on external public GitHub CDN and remove LFS from main repo

feat: implement memory consolidation service with sleep cycle, add frontend visualization components, and integrate backend database orchestration.

feat: implement interactive brain visualization, dream sequence consolidation, and knowledge graph components to the frontend.

refactor: Update UI components and styling to match design specs

feat: Overhaul Soma UI to premium Neural Gloss aesthetic with single-screen optimization