// entropy-evolution.ts
// Handles entropy evolution and collapse probability for the Prime Resonance Formalism.

export class EntropyEvolution {
  S0: f64; // Initial entropy
  lambda: f64; // Evolution rate constant

  constructor(S0: f64, lambda: f64) {
    this.S0 = S0;
    this.lambda = lambda;
  }

  // Define how entropy evolves over time
  // This is a simplified model, might need to be refined based on PRN theory
  evolve(time: f64): f64 {
    // Example: exponential decay or growth
    return this.S0 * Math.exp(-this.lambda * time);
  }

  /**
   * Calculates the probability of state collapse based on current entropy and time.
   * Higher entropy might lead to higher collapse probability.
   * This is a conceptual function and needs actual PRN-specific logic.
   */
  collapseProbability(t: f64): f64 {
    const currentEntropy = this.evolve(t);
    // Simple sigmoid-like function: as entropy approaches 0, collapse probability approaches 1
    // (This might be inverse of actual PRN theory, adjust as needed)
    return 1.0 / (1.0 + Math.exp(currentEntropy));
  }
}