fix: tool resolution for directories (list_files now shows folders/)

feat: pre-download and cache embedding models in Docker image for faster startup

fix: update repo metadata to AI-CodeLens

fix: clean up Docker frontmatter (removed streamlit-specific keys)

feat: finalize agentic codelens with docker sdk deployment

feat: upgrade to full Agentic CodeLens with dynamic Plan-and-Execute, anti-hallucination guards, and alias-aware tool resolution

feat: upgrade to Agentic RAG - add ReAct agent loop, planner, tool system, and bug detection mode