Retrieve a list of appointments with optional filtering.

• Supports filtering by location, resources, services, customer, status, and date range
• All filter parameters are optional
• If no filters provided, returns all company appointments
• Supports pagination via limit and page
• Pagination must not skip more than 10,000 matching rows; use narrower date filters for larger histories
• Requests are rate limited per Company; excess concurrent work may wait briefly, then receive 429 if capacity remains unavailable