Building the Accumulated Context Graph: The Five Governed State Domains, Temporal Validity Controls, and Postgres Implementation Architecture
Target Audience: Chief Technology Officers, AI Systems Architects, and Lead AI Product Managers. While foundation models provide commoditized, portable reasoning, an enterprise AI product’s defensibility depends on its state architecture. Building an Accumulated Context Graph (ACG) requires engineering five governed state domains in PostgreSQL, enforcing deterministic temporal validity and revalidation lifecycles, and implementing a Classification Gate that connects human overrides and observed real-world outcomes into compounding, admissible institutional intelligence.