01 / 05Research schema tables added to PostgreSQLPostgreSQL now stores Concepts, Positions, Arguments, verdict links, and derived note index mentions.Research schema +293 −0 adds concepts, concept_keys, positions, arguments, and argument_sources to .
02 / 05Argument sources now reference works schemaCitations link to Works and Manifestations, refusing deletion of cited records while in use. enforces foreign keys to via argument_sources_work_fkey in +293 −0.
03 / 05Work merge now inspects citing argumentsWork merge prepare detects citing Arguments and collapses duplicate general citations on the target. executes and populates MergePlan, implemented in +29 −4.
04 / 05Research schema tests addedComprehensive tests verify unique key collisions, acyclic targets, and cascade restrictions. exercises constraints on in +426 −0.
05 / 05Everything this change touchedThe new Research SQL schema, schema tests, snapshot, and Works merge citation planning.