LLM / provider:
- Switch LLM from Euron (gpt-4.1-mini) to Groq (llama-3.3-70b-versatile)
- Add langchain-groq dependency; Euron retained for embeddings only
- Update config.yaml, render.yaml, .env.example, README, docs
Web search (Tavily):
- Fix root bug: ConversationalRetrievalChain condensation step was stripping
prepended web context before LLM saw it — web search appeared to work but
answers always said "I don't know"
- Add run_query_with_web(): direct LLM call with RAG + Tavily context +
chat history, bypassing chain condensation entirely
- Add condense_question(): rewrites follow-up questions using chat history
before Tavily search so context-dependent queries work correctly
- Switch Tavily search_depth basic → advanced for richer financial content
- Fix memory.save_context key: {"output": answer} → {"answer": answer}
Logging:
- Centralise logging: configure_logging() in main.py sets root logger with
console + rotating file (logs/finrag.log, 5MB x3); silences noisy li…
