v0.1.1
feat: move config to XDG-compliant user config directory Switch config storage from ~/.patent-cli.toml to os.UserConfigDir()/patent-cli/config.toml (macOS: ~/Library/Application Support/patent-cli/config.toml, Linux: ~/.config/patent-cli/config.toml). Also tighten file permissions from 0644 to 0600. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>