fix: Improve UX - text comparisons, remove preset bloat, fix tool message errors

fix: Extract nested funding data in grant comparisons

feat: Merge GPT-5 enhancements with working c72a240 base + restore crawler

feat: Major system enhancements - GPT-5 support, monitoring, translation, and optimizations

fix: make hybrid search index optional in chat_tools - graceful fallback if scikit-learn unavailable

feat: add get_all_grant_summaries tool for efficient batch grant summarization

feat: integrate supporting materials into chat tools

feat: add PDF & supporting materials integration to context

Initial commit of grant-analyst project

Add working grant analyst demo setup