數據工程
Singularity Data Dominion
Transcendent data engineering and database mastery for LitigationOS. Use when: SQL queries, DuckDB analytics, LanceDB vectors, Polars DataFrames, FTS5 search, RAG pipelines, SQLite optimization, schema design, data migration, cross-database federation, vector embeddings, semantic search, indexing strategy, query optimization, connection pooling, WAL mode, PRAGMA tuning, batch operations.