A CLI tool to query local WeChat data with 11 commands: sessions, history, search, contacts, members, stats, export, favorites, unread, new-messages, and init. Features: - Self-contained init with key extraction (no external deps) - On-the-fly SQLCipher decryption with caching - JSON output by default for LLM/AI tool integration - Message type filtering and chat statistics - Markdown/txt export for conversations - Cross-platform: macOS, Windows, Linux