No. You can select specific meetings/projects for upload and specific events for import.
Yes. Imported events can be set as meeting or project, with defaults based on event duration (single-day vs multi-day), and you can adjust before final import.
Yes. Team filters let you control visibility for meetings/projects per team, and those preferences are saved.
Yes. Calendar includes a create-meeting action tied to your selected date, with team/project-aware setup prompts when required.
