Fix: remove assert that crashed before clamp in causal_chain terminal reward

Fix: clamp all grader scores to (0.01, 0.99) strictly between 0 and 1

Clean: remove AI divider lines and em dashes across codebase

Fix: serve web UI at root / so HF Spaces main page loads correctly

Add ENABLE_WEB_INTERFACE flag, clean up stray files

Fix: WebSocket timeout crash when LLM calls are slow or failing

Polish: remove dashes and emojis, natural language tone, judge workflow in README

Web UI: show directional hint after each signal

Fix: ConfigDict instead of model_config (Pydantic v2 crash on startup)

Added functionalities