vios_app 0.1.1

Small JSON vaults: Argon2id + AES-GCM, with optional AAD binding.
Documentation 
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//! Whisper Vision™ – Facial Emotion Detection + Congruence Scoring

use crate::vision::congruence::calculate_congruence;

use std::path::Path;
use vios_core::vault_crypto::encrypt_and_save_vault;
use vios_core::vault_crypto::VaultPayload;

// Construct your payload
let payload = VaultPayload {
    summary: "Face detected".to_string(),
    tone: "neutral".to_string(),
    intent: "scan".to_string(),
    reem_code: "REEM-X1".to_string(),
    voice_log: None,
    vision_log: Some("face_detected".to_string()),
};

// Save encrypted Vault
let output_path = Path::new("vaults/vision_logs/vision_001.vault");
encrypt_and_save_vault(&payload, "ownYourImprint", &output_path)?;

/// Enum of possible detected facial emotions
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum FacialEmotion {
    Happy,
    Sad,
    Angry,
    Fearful,
    Surprised,
    Disgusted,
    Neutral,
}

/// Struct representing a detected facial emotion result
#[derive(Debug, Clone)]
pub struct VisionEmotionResult {
    pub emotion: FacialEmotion,
    pub confidence: f32,
    pub congruence_score: Option<f32>, // Tone + face alignment
    pub timestamp: String,
}

/// Simulated emotion detection from webcam with congruence scoring
pub fn detect_emotion_from_camera(voice_tone: Option<&str>) -> Option<VisionEmotionResult> {
    println!("🧠 Whisper Vision is running...");

    // Simulated facial detection result
    let detected_emotion = FacialEmotion::Happy;
    let confidence = 0.92;

    let congruence = voice_tone.map(|tone| calculate_congruence(tone, &detected_emotion));

    Some(VisionEmotionResult {
        emotion: detected_emotion,
        confidence,
        congruence_score: congruence,
        timestamp: Utc::now().to_rfc3339(),
    })
}