New /archive page (nav link for all roles) backed by GET /api/v1/archive:
- admins see every archived task;
- consultants see archived tasks for customers they're assigned to;
- developers see archived tasks they were assigned to, claimed, or acted on.
Supports full-text ?q= search; cards link to the task detail view.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
etalon