# Prototype 05/15/2026 * Feature #10: Chat application DB design * Feature #11: Re-design vector database * Feature #12: Authentication feature * Feature #13: User management * Feature #14: Simple project management * Feature #15: Project files management * Feature #16: Project files ingestion * Feature #17: Chat interface + API * Feature #18: Security policy page * Feature #19: Iterative tuning to improve accuracy * Feature #20: Final test + fix bug * Feature #21: Try different ingestion techniques and compare the result * Feature #22: Tuning the query to retrieve data from vector database * Feature #23: Try different LLM models and compare the result * Feature #28: Staging server infrastructure