Final hackathon submission - all docs updated

Add working demo training script

Update status and add lessons learned

Bust Docker cache for HF rebuild

Fix done field serialization for OpenEnv compatibility

Fix reward serialization - add reward field to ClaimsObservation

Fix training: Add SSL context + debug output for Colab

Update pitch: Complete vision + working demo list

Add product vision: Plaid + Scale AI integration

Fix: Add nest_asyncio for Colab/Jupyter compatibility

Add Plaid API integration for transaction verification

Fix: Correct import paths and env factory pattern

Fix: Use WebSocket for stateful sessions

Add pitch script and demo materials

Add Colab training notebook with Unsloth GRPO

Insurance Claims RL Environment - OpenEnv Hackathon