Loosen langchain and langgraph version constraints to fix dependency conflicts

Update README with Groq and evaluation metrics definitions

Fix NameError by importing os in pipeline_factory.py

Add langchain-groq to requirements

Switch to Groq LLM provider (llama-3.3-70b-versatile)

Fix evaluation metrics zero display, document picker stale count, and auto-save evaluation reports

Fix import warnings and pdfplumber parsing error in test files

Optimize RAG evaluation to unified single LLM call, increase timeouts, and handle 429 quota limits

fix: persistent storage detection and document visibility

fix: remove document_id constraint from config lookup in stream and chat endpoints

fix: resolve POST /api/chat/prepare 404 errors

fix: fall back to writable upload dir when /data/uploads is not writable

fix: capture admin_user.id before await to prevent MissingGreenlet error

Fix concurrent bootstrap user seeding race

Make initial migration safe for fresh SQLite databases

Stabilize HF startup DB path and async Alembic URL

Make startup chown best-effort for HF mounted volumes

Fix Dockerfile COPY path for start.sh

Add start script to run migrations and ensure writable DB dir; run it as CMD

Add gunicorn and make adduser non-interactive in Dockerfile

Resolve OpenAI dependency conflict

fix: remove aider runtime dependency

fix: make hf build cross-platform

chore: sync project updates

Major Chunking,Retrieval and Ranking Updates

Fixed file upload issues

fixed cross-site cookie behavior

Refactored the codebase and implemented stateless

CI: harden HF ping workflow for private spaces and optional auth token

Docs: remove unimplemented evaluation and analytics claims

Github Action

Add sample test account and show credentials in login UI

Fix admin visibility: persist is_admin, migrate existing DBs, and enforce seed admin privileges

Fix cross-site session auth: SameSite=None cookies and proper CORS regex origins

Fix session cookie security: use secure=True for HTTPS (HF Spaces/Vercel) with override option for local dev; improve CORS for deployments

Add smart defaults for DATABASE_URL and AUTH_SECRET_KEY for HF Space deployment

Add pypdf dependency for PDF file processing

Add missing itsdangerous dependency for password reset tokens

Remove unused deps: supabase, qdrant-client, langchain-qdrant, sentence-transformers (not needed for bucket-only HF Space)

Fix HF build: align posthog with chromadb 1.x

Updated requirements.txt

Update README Space metadata and consolidate env templates

Add Dockerfile for HF Spaces backend deployment

Add auth reset flow, rate limiting, and frontend fixes

feat: add auth-gated 3-mode workflow with admin chroma controls

Implemented Compare feature and fixed other chunking strats

Fixed Chat function bugs and internal bugs related to UI

Merge branch 'main' of https://github.com/Madhesh4124/RAG_LAB

feat: all phases complete, real backend data working

Implemented Chapter and Recursive based Chunking strats