VectorChat $CHAT: 5/09-5/15 Dev Log

- Updated model to to GPT-4o
- Updated schema to support further distinction for utility characters
- Removed double generation of canceled streamed messages
- Fixed carousel responsiveness
- Fixed responsive grids for companions
- Finished message regeneration
- Improved markdown/latex parsing responsiveness
- Improved recommendation algorithm (not live)
- Improved backend metrics for evaluation
- Implemented scaffolds for new design
- Modified context parsing for image/video upload
- Expanded layout size on evolve page
- Refactored chunking and indexing algorithm
- Switched to cosine similarity for vector embeddings, allowing implementation of keyword vector search