Add app_port to HF metadata

Add HF Spaces metadata to README

Add Dockerfile for HuggingFace Spaces deployment

Fix: remove dead profiles import that breaks fresh clones

Clean repo: remove dead files, fix requirements, update README

Simplify: deduplicate LLM calls, fix perf, clean dead code

Fix session page: time-synced cards, bold rendering, timestamp accuracy

Add session page with video processing + real-time insights

Rebrand: Lexis → Ken

Initial commit: Lexis AI Co-Listener