Optimize comparison search: bypass redundant KG search, avoid thread-safety ChromaDB init lock error, and prevent false positive tier lighting up in dev console

Optimize dev console, add benchmark presets, filter knowledge graph, and fix specialist copay retrieval

Fix comparison search by prepending tier-specific SBC chunks, simplifying multiquery prompts, and fixing vectorstore concurrency

Update UI and backend components

fix: tune entity extraction and relevance scoring for silver plan retrieval

Deployable release for Hugging Face Spaces with LFS database tracking