Calendar Subscriptions, Documents & Committee Enhancements

New Features

• Adds iCal subscription and a List/Calendar view toggle to the meetings dashboard; also extends iCal subscription to committee meetings, with quick-subscribe links for major calendar apps.
• Introduces document management for project and foundation pages, supporting file uploads, folders, and external links.
• Adds behavioral class and member role quick-filter chips to committee groups and members views.
• Adds a Marketing Impact page, footer cookie-preferences link, project deep-link support, and standardized Health Metrics empty states.
• Survey cards on the Me lens now indicate whether the current user has responded.

Bug Fixes

• Fixes a privacy issue where private meeting content was visible to unauthenticated users.
• Resolves duplicate entries in the meeting attendee picker and restores the LinkedIn identity-linking flow.
• Fixes foundations appearing in the project lens dropdown; makes the committee Parent Project clickable with a lens-aware back label.
• Fixes multiple executive dashboard drawers that showed misleading results when no data was available.