Implement expandable volume breakdown with page chips in search panel

Implement synonym and related words highlighting in search results and reader panel

fix: reset totalPages to 0 on volume change to prevent stale totalPages capping target page number

fix: highlight not showing - set highlightQuery after setVolume not before

feat: highlight search keywords on reader page with auto-scroll to first match

feat: FTS5-first + AI button search with split button mode selector

feat: add Google-style breadcrumb navigation to search results

design(ai): enhance speed dial labels clarity and implement responsive positioning clamping

feat(ai): design improvements for chat popup, speeddial menu, resizable answer card, and centered header disclaimer

feat: support vertical and diagonal resizing for AI Chat popup and persist panel size

feat: resizable AI panel via left-edge drag handle (min 300px, max 80vw)

Update architecture metadata: Switch to Qdrant + Reranker in Overview UI and AI Store state

fix: RAG Qwen embedding function for ChromaDB 1.5.7; feat: draggable AI popup + RAG status indicator (green/yellow/red)

feat: RAG status indicator (green/red dot) + GET /api/ask/rag-status endpoint

Expand POPULAR_TERMS: 40 -> 293 via 84000.org dictionary

Deploy React+FastAPI webapp to HF Space