Jobs payload: v2 (2021-04-01) → v3 (2025-09-01)

Summary of changes:
- services[] array replaces flat service_* fields.
- Invoice amounts are numbers (not strings) and include discounts_applied, adjustments_applied, tax_summary.
- Address typo fixed: service_address.formated → service_address.formatted.
- Some decorative selection option fields removed.

Migration checklist

Read from data.services[] instead of service_name / service_fields.
Treat invoice amounts as numbers; field renames: tax_amount → total_tax_amount, tip → tip_amount, etc.
Use service_address.formatted.
Tolerate removed selection props (display_label, index, parent_section_id).