🌿 Fern Regeneration -- March 2, 2026

[fern-api]

• Add nil-receiver safety to GetExtraProperties() and String() on all types
• Add explicit MarshalJSON/UnmarshalJSON to request types; drop omitempty on required slices
• Add ~144 wire test files with WireMock integration test infrastructure
• Add Bytes() helper to pointer.go
• Improve CI wiremock setup with dynamic ports and always-run teardown