Interact with the Sage Chia blockchain wallet via RPC. Use for XCH transactions, CAT tokens, NFTs, DIDs, offers, options, coin management, and wallet configuration. Supports cross-platform setups (Mac/Linux/Windows) with configurable RPC endpoints and SSL certificates. Invoke with /sage commands or natural language like "send XCH", "check my NFTs", "create an offer", "mint a CAT token".