serialization-groups

Configures serialization with normalizationContext/denormalizationContext and #[Groups] in API Platform — per-operation contexts, #[Context] per-property overrides, and read/write group naming. Use when the user mentions serialization groups, #[Groups], normalizationContext, denormalizationContext, hiding/exposing fields per operation, write-only or read-only properties, controlling embedded relation depth, or 'why…