DuckDB Temporal Versioning Skill

Status: ✅ Production Ready Trit: +1 (PLUS - generative/creating databases) Principle: Same data → Same structure (SPI guarantee) Implementation: DuckDB (embedded SQL) + Temporal semantics GF(3) Balanced Triad:

• duckdb-temporal-versioning (+1) [Generator: Create/write]
• clj-kondo-3color (-1) [Validator: Verify schemas]
• acsets (0) [Coordinator: Navigate relationships]

Overview

DuckDB Temporal Versioning provides in-process SQL database with time-travel semantics for storing and analyzing interaction history. Every database with the same schema and initial data produces identical query results, enabling: