Add LlamaIndex to README tech stack credits

Complete multi-agent vector store integration with command line control

Implement multi-agent vector store support

Update README: Add LlamaIndex ingestion system to tech stack

Finalize ingestion rewrite: Remove legacy files and add new scripts

Complete rewrite: LlamaIndex-based document ingestion system

Revert to original schema: Update ingestion and agent to use chunks and documents tables instead of enhanced schema

Fix: Update ingestion script to use enhanced schema table names (enhanced_chunks, enhanced_documents)

Add ingestion mode options: vector_only, graph_only, and both modes

Updated some type issues

Add BAML configuration files for LLM client management and resume extraction

Initial commit: Agentic RAG Knowledge Graph system