/addresses reads the cursor and data in one session and one snapshot,
/health exposes only time and backup file name of the last restore,
get_changes checks presence in batches instead of per value (6.8 s -> 88 ms
on a 12k-entry journal). Adds the plan for review fixes 5-10.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>