mhome-person-api 1.2.0

Space-owned person and face library contracts
Documentation 
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use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct SampleEvidence {
    pub id: String,
    pub source_device_id: String,
    pub captured_at_ms: u64,
    pub vector: Vec<f32>,
    pub quality: f32,
    pub image_base64: Option<String>,
}
/// Transient admission result; no receipt or rejected evidence is persisted.
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub enum LearningOutcome {
    Retained,
    Skipped,
}

/// Core classifies against the pre-learning gallery, then applies its learning policy.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(
    tag = "status",
    rename_all = "camelCase",
    rename_all_fields = "camelCase",
    deny_unknown_fields
)]
pub enum PersonDecision {
    Identified {
        person_id: String,
        cluster_id: String,
        score: f32,
    },
    Stranger,
    Uncertain,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct ObserveRequest {
    pub epoch: String,
    pub embedding_space_id: String,
    pub samples: Vec<SampleEvidence>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct ObservationResult {
    pub decision: PersonDecision,
    pub id: String,
    pub learning: LearningOutcome,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct ObserveResponse {
    pub epoch: String,
    pub results: Vec<ObservationResult>,
}

#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn live_evidence_requires_no_body_tracking_and_rejects_legacy_fields() {
        let value = serde_json::json!({"id":"face","sourceDeviceId":"camera","capturedAtMs":1,"vector":[1.0,0.0],"quality":0.75,"imageBase64":null});
        let evidence: super::SampleEvidence = serde_json::from_value(value.clone()).unwrap();
        assert_eq!(serde_json::to_value(evidence).unwrap(), value);
        let mut legacy = value;
        legacy["sourceTrackId"] = "fake".into();
        assert!(serde_json::from_value::<super::SampleEvidence>(legacy).is_err());
        assert_eq!(crate::PROTOCOL_VERSION, "person.v3");
    }

    #[test]
    fn decision_wire_contract_distinguishes_unknown_from_stranger() {
        let known = PersonDecision::Identified {
            person_id: "person".into(),
            cluster_id: "cluster".into(),
            score: 0.9,
        };
        let value = serde_json::to_value(&known).unwrap();
        assert_eq!(value["status"], "identified");
        assert_eq!(value["personId"], "person");
        assert!(value.get("person_id").is_none());
        assert_eq!(
            serde_json::from_value::<PersonDecision>(value).unwrap(),
            known
        );
        assert_ne!(
            serde_json::to_value(PersonDecision::Uncertain).unwrap()["status"],
            serde_json::to_value(PersonDecision::Stranger).unwrap()["status"]
        );
    }
}