Get all work tasks with optional filtering

Filter by task status

open (Open + InProgress) or closed (Completed + Cancelled). ANDed with status. Callers that only want actionable work should send this — without it, finished history competes for the page with the work they asked for.

Filter by task category

Filter by task priority

Filter by assigned user ID

Return only tasks nobody owns — the triage pool. Overrides assignedToId, since "unassigned" cannot be expressed as a user ID.

Filter by patient ID

Search term

Number of records to skip

Page size. Defaults to int WorkTaskService.DefaultTake and is capped at int WorkTaskService.MaxTake; totalCount is always the unpaginated total.