feat: add Learning Tracker Insights endpoint (section 3.4)

add persistant db with login_session chats and interactions, remove the localStorage

FAISS caching (Task 5), session persistence, streaming UX, suggestions as SSE event

feat: background follow-ups and streaming responses (issue #3, #4)

fix: async LLM calls and SESSIONS memory optimization (issue #11, #12)

debug: log MODULE10_DIR path on preload

fix: backfill session rag_chunks if preload finished after session creation

feat: RAG pipeline overhaul — reranker, better retrieval, UX improvements

add in-app survey, admin dashboard, and participant overview

ai interface desing v2.1, generate, quiz, hint endpoints

embed participation id in the link, chagne the participation table structure

refactor: login_id to participant_id mapping, replace name/email auth

add PostgreSQL persistence for sessions and interaction metrics

preload embedding model, add logging

fix: 修复 Weaviate RAG 日志字符串转义导致的 SyntaxError

feat: 学生端聊天接入 Weaviate RAG 引用

fix: 添加 ErrorBoundary 防白屏 + 启动时打印 RAG/Weaviate 状态

fix: index.html 禁止缓存，避免旧 HTML 导致 hashed JS 404 白屏

Update ClareVoice: Socratic mode + token logging + BGE RAG fixes

Add structured AI courseware APIs

debug: 添加静态文件路径调试日志，排查空白页面问题

feat(courseware): AI Teacher Assistant Agent 模块化

Add POST /api/quiz/generate for external sites, docs section 6

Add teacher agent, docs, and project updates; ClareVoiceV1 remains untracked (nested repo)

Add Clare product UI: run_web.sh, README, exclude hf_space from push