import hashlib
import json
from pathlib import Path
from datetime import datetime, timezone

root = Path(__file__).resolve().parents[1]
review = root / 'artifacts/verification/VisualUpgrade/ModelReview'
packet_path = review / 'review-packet.json'
packet = json.loads(packet_path.read_text(encoding='utf-8'))
approved = [r for r in packet['files'] if r['relativePath'].lower().endswith(('.blend', '.fbx'))]
assert len(approved) == 25, len(approved)
for record in approved:
    path = (review / record['relativePath']).resolve()
    assert path.stat().st_size == record['bytes']
    assert hashlib.sha256(path.read_bytes()).hexdigest() == record['sha256'], str(path)
now = datetime.now(timezone.utc).isoformat()
approval = {'status': 'APPROVED', 'userResponse': '\uc2b9\uc778\ud569\ub2c8\ub2e4',
            'confirmedUtc': now, 'scope': 'All five model groups presented in the immediately preceding review',
            'groups': [g['id'] for g in packet['reviewGroups']],
            'reviewPacketSha256': hashlib.sha256(packet_path.read_bytes()).hexdigest(),
            'reviewPacket': 'review-packet.json', 'approvedFiles': approved}
(review / 'user-approval.json').write_text(json.dumps(approval, ensure_ascii=False, indent=2), encoding='utf-8')
state_path = root / '.dryforge/execution.json'
state = json.loads(state_path.read_text(encoding='utf-8'))
state['tasks']['T3'] = 'completed_explicit_user_approval'
state['model_approval'] = approval
state_path.write_text(json.dumps(state, ensure_ascii=False, indent=2), encoding='utf-8')
print('EXPLICIT_USER_APPROVAL_RECORDED; 25 original/model hashes matched; 5 groups approved')