Add support for Ollama Cloud by detecting model names with "-cloud" suffix and checking for API key presence. Update config to read OLLAMA_API_KEY environment variable. When both conditions are met, automatically use https://ollama.com endpoint; otherwise use local/configured URL. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>