dpp-domain 0.2.0

EU Digital Product Passport domain types, port traits, and open-core boundary
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//! Payload structs shared across more than one sector's data.
//!
//! [`CriticalRawMaterial`] (battery + electronics) and [`SvhcSubstance`]
//! (textile, electronics, toys, furniture) live here so per-sector files don't
//! import each other.

use serde::{Deserialize, Serialize};

/// Critical raw material declaration per EU CRM Act 2024/1252.
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct CriticalRawMaterial {
    /// Material name, e.g. `"cobalt"`, `"lithium"`, `"natural graphite"`.
    pub name: String,
    /// CAS or EC number for unambiguous identification.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub cas_number: Option<String>,
    /// Weight in grams present in the battery.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub weight_grams: Option<f64>,
    /// ISO 3166-1 alpha-2 country of primary extraction.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub country_of_origin: Option<String>,
}

/// A substance of very high concern (SVHC) declared under REACH / ECHA SCIP database.
///
/// ESPR requires textile DPPs to disclose any SVHC present above 0.1% w/w in the
/// article, linking to the ECHA SCIP database entry where applicable.
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct SvhcSubstance {
    /// CAS Registry Number, e.g. `"80-05-7"` (Bisphenol A).
    pub cas_number: String,
    /// Human-readable substance name, e.g. `"Bisphenol A"`.
    pub substance_name: String,
    /// Concentration in the article as weight-% (0.0–100.0).
    /// The SVHC threshold under REACH Article 33 is 0.1% w/w.
    pub concentration_pct: f64,
    /// Where in the product the substance is found, e.g. `"coating"`, `"dye"`, `"finish"`.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub location_in_product: Option<String>,
    /// ECHA SCIP database notification reference, if available.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub scip_notification_id: Option<String>,
}