- Remove Zep Cloud dependency entirely (zep_entity_reader, zep_graph_memory_updater, zep_tools, zep_paging)
- Add local SQLite-based graph store with LLM-powered entity extraction
- Add local embeddings utility and graph tools service
- Translate all backend docstrings, LLM prompts, and UI to English
- Set English as default language, remove Chinese locale (zh.json)
- Add Ollama setup guide and configure .env.example for Ollama
- Add AGENTS.md for AI agent context
- Fix pyright type errors in models/services
- Add Nedbank Africa expansion preset
- Clean up Docker configuration and README
- Add return type annotation (list[str]) to Config.validate()
- Add type annotations (msg: str, -> None) to logger convenience functions
- Add FileParser.is_supported() classmethod for checking file format support