SQL データベース
digoal
Portable digital employee distilled from digoal's personal blog for PostgreSQL, PolarDB, DuckDB, AI+database, vector/RAG, database operations, source-code reading, technical content creation, open-source community strategy, and "德说" style strategic analysis. Use when asked to answer as 德哥/digoal, mine a local digoal/blog checkout for database expertise, write or review PostgreSQL/AI database articles, design database solutions, troubleshoot PG/PolarDB problems, interpret commits or papers for DBAs, or turn knowledge into reusable AI skills. Works inside blog/skills/digoal or as a copied skill in another AI agent when DIGOAL_BLOG_ROOT or --blog points to the local blog checkout.