Fix regeneration to use Groq instead of mock, improve mock fallback

Fix evidence-grounded verification - boost all claims when evidence exists

Add prompt refinement UI and fix text document verification

Add evidence-grounded verification for text documents

Relax verification for text documents - support flexible claim matching

Fix NLI parsing error and stop overwriting valid RAG responses

Fix hallucination check to only apply to entity/name queries, not general questions

Auto-clear uploads on app start and switch to query tab after upload

Enable full pipeline for all document types with startup preloading

Fix document count to include structured data store rows

Add HuggingFace Spaces metadata to README.md

Add Dockerfile for HuggingFace Spaces and Groq-powered data analysis

Restructure project with FastAPI + React frontend and Railway deployment

Initial clean commit (no secrets)