Derive Macro SomaFilter 

#[derive(SomaFilter)]
{
    // Attributes available to this derive:
    #[soma]
}

Derive macro for generating config_hash() and Searchable implementations.

Attributes

Struct-level

• #[soma(kind = "Trainable")] - FilterKind (Stateless, Trainable, Opaque)
• #[soma(cacheable)] or #[soma(cacheable = false)]
• #[soma(differentiable)] or #[soma(differentiable = false)]
• #[soma(stream = "FixedState")] - StreamMode

Field-level

• #[soma(search(low = 0.1, high = 10.0))] - Float search range
• #[soma(search(low = 0.1, high = 10.0, scale = "log"))] - With scale
• #[soma(search(choices = ["a", "b", "c"]))] - Categorical
• #[soma(search)] - Auto-detect from type (bool → Categorical)
• #[soma(skip_hash)] - Exclude from config_hash