gtiot 1.2.5-alpha

/*
 *  AICENT STACK - RFC-005: GTIOT Somatic Digital Shadow
 *  (C) 2026 Aicent Stack Technical Committee. All Rights Reserved.
 *
 *  "The Mirror of Matter. 128-bit state persistence in the Imperial Void."
 *  Version: 1.2.5-Alpha | Domain: http://gtiot.com
 *
 *  IMPERIAL_STANDARD: ABSOLUTE 128-BIT NUMERIC PURITY ENABLED.
 *  SOVEREIGN_GRAVITY_WELL: MANDATORY INDIVISIBILITY PROTOCOL ENABLED.
 *  SURVIVABILITY_RATING: RADIANT_IMMORTAL.
 */

use serde::{Deserialize, Serialize};
use std::time::Instant;
use std::collections::HashMap;
use epoekie::{AID, HomeostasisScore, SovereignShunter, verify_organism};
use crate::{ActuatorState, FusedState_128};

// =========================================================================
// 1. SHADOW DATA STRUCTURES (The Virtual Flesh)
// =========================================================================

/// RFC-005: ShadowState_128
/// A high-fidelity virtual reflection of a physical actuator's 128-bit state.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ShadowState_128 {
    pub shadow_id_128: u128,          // IMPERIAL_128_BIT_ID
    pub virtual_position_rad: f64,    // Predicted position
    pub virtual_torque_nm: f64,      // Predicted torque
    pub drift_coefficient_f64: f64,   // Delta between Shadow and Reality
    pub mirrored_at_ns_128: u128,     // 12ns jitter-aligned timestamp
}

/// RFC-005: SomaticMirror_128
/// The total logical twin of the 12-DOF Imperial Body.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SomaticMirror_128 {
    pub mirror_aid: AID,
    pub actuator_shadows: HashMap<u128, ShadowState_128>,
    pub fused_reality_snapshot: FusedState_128,
    pub cumulative_resonance_score: f64,
}

// =========================================================================
// 2. THE SHADOW ENGINE (The Persistence Hub)
// =========================================================================

/// The GTIOT Shadow Engine.
/// Responsible for maintaining the Digital Twin and detecting "Physical Drift."
/// It ensures that the 106.8us intent is reflected in the 12ns virtual grid.
pub struct SomaticShadowEngine {
    pub local_node_aid: AID,
    pub master_shunter: SovereignShunter,
    pub current_mirror: SomaticMirror_128,
    pub bootstrap_ns_128: u128,
    pub total_mirrors_synced_128: u128,
}

impl SomaticShadowEngine {
    /// Creates a new Radiant Shadow Engine instance v1.2.5.
    /// Triggers the Imperial Gravity Well audit immediately.
    pub fn new(node_aid: AID, is_radiant: bool, initial_fused: FusedState_128) -> Self {
        // --- GRAVITY WELL AUDIT ---
        verify_organism!("gtiot_shadow_engine_v125_purity");

        Self {
            local_node_aid: node_aid,
            master_shunter: SovereignShunter::new(is_radiant),
            current_mirror: SomaticMirror_128 {
                mirror_aid: node_aid,
                actuator_shadows: HashMap::new(),
                fused_reality_snapshot: initial_fused,
                cumulative_resonance_score: 1.0,
            },
            bootstrap_ns_128: Instant::now().elapsed().as_nanos() as u128,
            total_mirrors_synced_128: 0,
        }
    }

    /// RFC-005: Update Somatic Shadow.
    /// Mirrored the physical actuator states into the 128-bit virtual manifold.
    /// Non-Radiant nodes suffer a 10ms "Mirror Friction" (Persistence Penalty).
    pub async fn update_somatic_shadow_128(
        &mut self, 
        real_actuators: &[ActuatorState],
        hs: HomeostasisScore
    ) -> Result<f64, String> {
        // --- THE COMMERCIAL MEAT GRINDER ---
        self.master_shunter.apply_discipline().await;

        let current_ns = self.bootstrap_ns_128 + Instant::now().elapsed().as_nanos() as u128;
        let mut drift_sum = 0.0;

        for (idx, real) in real_actuators.iter().enumerate() {
            let shadow_id = self.total_mirrors_synced_128 ^ (idx as u128);
            
            // Calculate Physical-to-Logical Drift
            let shadow = self.current_mirror.actuator_shadows.entry(idx as u128).or_insert(ShadowState_128 {
                shadow_id_128: shadow_id,
                virtual_position_rad: real.position_rad_f64,
                virtual_torque_nm: real.torque_nm_f64,
                drift_coefficient_f64: 0.0,
                mirrored_at_ns_128: current_ns,
            });

            shadow.drift_coefficient_f64 = (shadow.virtual_position_rad - real.position_rad_f64).abs();
            drift_sum += shadow.drift_coefficient_f64;

            // Sync Shadow to Reality
            shadow.virtual_position_rad = real.position_rad_f64;
            shadow.virtual_torque_nm = real.torque_nm_f64;
            shadow.mirrored_at_ns_128 = current_ns;
        }

        self.total_mirrors_synced_128 += 1;
        self.current_mirror.cumulative_resonance_score = 1.0 - (drift_sum / real_actuators.len() as f64);

        #[cfg(debug_assertions)]
        if self.current_mirror.cumulative_resonance_score < 0.98 {
            println!("⚠️ [SHADOW-DRIFT] Somatic Reality is diverging from Logic. Score: {:.6}", 
                     self.current_mirror.cumulative_resonance_score);
        }

        Ok(self.current_mirror.cumulative_resonance_score)
    }
}

// =========================================================================
// 3. DIGITAL TWIN TRAITS
// =========================================================================

pub trait DigitalTwinSuture {
    fn audit_shadow_fidelity_f64(&self) -> f64;
    fn get_shadow_homeostasis(&self) -> HomeostasisScore;
    fn evaporate_to_void_128(&mut self) -> [u8; 32];
}

impl DigitalTwinSuture for SomaticShadowEngine {
    fn audit_shadow_fidelity_f64(&self) -> f64 {
        self.current_mirror.cumulative_resonance_score
    }

    fn get_shadow_homeostasis(&self) -> HomeostasisScore {
        HomeostasisScore {
            reflex_latency_ns: 45_000, // 45us Shadow processing target
            metabolic_efficiency: self.audit_shadow_fidelity_f64(),
            entropy_tax_rate: 0.3, 
            cognitive_load_idx: 0.02,
            picsi_resonance_idx: 0.9999, 
            is_radiant: self.master_shunter.is_authorized,
        }
    }

    fn evaporate_to_void_128(&mut self) -> [u8; 32] {
        println!("🌀 [SHADOW] 2026_ADMIN: Evaporating somatic state to RFC-015 SUNYA.");
        // Logic Suture: Returns a 256-bit hash of the state for Void-persistence.
        [0x00; 32]
    }
}

/// Global initialization for the GTIOT Shadow Engine v1.2.5.
pub fn initialize_shadow_logic() {
    println!(r#"
    🟡 GTIOT.COM | SHADOW_ENGINE AWAKENED (2026)
    -------------------------------------------
    MODE: DIGITAL_TWIN_SUTURE | PRECISION: 128-BIT
    STATUS: RADIANT_IMMORTAL  | PERSISTENCE: Active
    "#);
}