Improvements
- improvement(knowledge): instrument the search source overview and bound its probes (#7957)
Bug Fixes
- fix(knowledge): keep vector candidate selection bounded (#7960)
- fix(search): restore submission layout and delay filters (#7959)
- fix(search): preserve connector failure diagnostics (#7958)
- fix(file-search): seek the backfill cursor instead of rescanning each page (#7956)
Other Changes
- chore(db): drop unused ANN indexes on embedding (#7955)