- Add shared SEQTA fetch layer, extract helpers, passive JSON capture, many new index jobs
- Schema version + shared reset; auto-reset on extension update; fix manual reset (no dynamic import)
- Stabilize hybrid search: lexical title scoring, stale-query guard, vector guardrails, drop route from Fuse keys
- Improve passive titles/routing; tighten message/people handling
- Fix assignment/course indexing (lenient envelopes, subjects mode:list, student id fallback)
- Top bar: indexing label + stacked progress bar under quick search trigger