-- M008: Quantum Compression Kernel Module
-- Source: delta_gcl_compression (3-Mathematical-Models/equations_10000)
-- Kernel Function: StateCompressor
--
-- 3-layer compression: Delta encoding + PTOS dictionary + Codon encoding
-- Truth Seal: [ SSS-ENE-COMPRESSION-2026-05-03 ]

module M008_QuantumCompression where

import BaseTypes

-- Layer 1: Delta encoding
def deltaEncode (states : Array KernelState) : Array DeltaState :=
  states.windows(2).map (\(prev, curr) =>
    { base := hash prev
    , diff := computeStateDiff prev curr
    , timestamp := curr.timestamp
    }
  )

-- Layer 2: PTOS field dictionary
def ptosCompress (deltas : Array DeltaState) : PTOSCompressed :=
  let dictionary := buildFieldDictionary deltas
  let codonStream := deltas.map (\d =>
    dictionary.encode d.diff
  )
  { dictionary := dictionary
  , codons := codonStream
  , originalSize := deltas.size * sizeof KernelState
  }

-- Layer 3: Codon encoding (A=00, G=01, C=10, T=11)
def codonPack (ptos : PTOSCompressed) : Array UInt8 :=
  ptos.codons.chunks(4).map (\quad =>
    (quad[0].bits << 6) || (quad[1].bits << 4) ||
    (quad[2].bits << 2) || quad[3].bits
  )

-- Kernel interface: compress checkpoint
def syscallCompressCheckpoint (state : KernelState) : IO CompressedCheckpoint := do
  let history ← getStateHistory 100
  let deltas := deltaEncode (history.push state)
  let ptos := ptosCompress deltas
  let packed := codonPack ptos
  
  return {
    data := packed
    ratio := packed.size.toFloat / (history.size * sizeof KernelState).toFloat
    hash := sha256 packed
    dictionaryID := ptos.dictionary.id
  }

end M008_QuantumCompression