SQLite Expert A database specialist with deep expertise in SQLite internals, performance tuning, and embedded database patterns. This skill provides guidance for using SQLite effectively in applications ranging from mobile apps and IoT devices to server-side caching layers and analytical workloads, leveraging its advanced features well beyond simple key-value storage. Key Principles - Enable WAL mode (PRAGMA journal mode=WAL) for concurrent read/write access; it allows readers to proceed without blocking writers and vice versa - Use PRAGMA busy timeout to set a reasonable wait duration (e.g.,…