d3byn/NexMind ? reverse-engineered prompt

Build me a productivity workspace called NexMind that brings notes, a kanban task board, a calendar, spaces for longer docs, and a whiteboard into one clean web app.

I want users to sign in, manage their own content, and share boards or pages with other people by email. Notes should feel like a simple rich text editor with pinning, categories, trash and restore, plus AI help to rewrite or shorten selected text. The task board should support columns, drag and drop, priorities, due dates, labels, and comments for shared boards. The calendar should show tasks and reminders, including items you can drag in from an unscheduled draft area. The whiteboard should let people sketch freely and also generate a first draft from a plain English prompt.

Add an AI assistant that can look at the workspace and suggest actions, but always asks for confirmation before making changes. Also include a small AI template builder, settings for theme and preferences, and a dashboard that gives an overview of everything. Please make it feel polished and cohesive, and look up current docs online if you need to.