Initial store release. - Adds a desktop AI text humanization workspace for entering text, selecting the target language, and generating rewritten output. - Adds in-app LLM configuration for protocol, BaseURL, API key, and model, persisted in the app database. - Supports OpenAI Chat, OpenAI Responses, and Anthropic Messages protocols. - Supports Lazycat passwordless sign-in without a separate app account. - Uses the fast LLM rewrite flow by default; the Niutrans API key is optional.