"""
Stage 889: PROOF - Entropy Dump (Time Arrow)
Scientific Principle: Landauer's Erasure
Function: Creates irreversible history (Ledger) to establish Time Arrow.

Hardening:
- F3: Tri-Witness (Multi-Agent Audit)
- Cryptographic Seal
"""
from typing import Dict, Any
from codebase.system.apex_prime import APEXPrime

APEX = APEXPrime()

def execute_stage(context: Dict[str, Any]) -> Dict[str, Any]:
    context["stage"] = "889"
    judge_result = context.get("judge_result")
    
    if not judge_result: return context
        
    agi_output = {"session_id": context.get("session_id", "unknown")}
    asi_output = {"session_id": context.get("session_id", "unknown")}

    # 1. Cryptographic Seal (F3 Tri-Witness)
    # The PROOF stage creates the immutable record shared by 3 parties
    result = APEX.proof(judge_result, agi_output, asi_output)
    
    context["proof_result"] = result
    context["proof_hash"] = getattr(result.proof_packet, "merkle_root", "0x00")
    
    return context
