Research brief

Status: complete; published 2026-08-19

Scope as inventoried (v0 held). Layer questions answered: platform choice (H05 refined), agent write access and its controls (H27), the embedded-versus-external debate (CD-17), grounding and entity resolution, lock-in and the upgrade problem. Maintainer POV: Batch C kickoff (2026-08-19).

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Source: research/R04-systems-of-record/brief.md in the evidence repository behind this site.