"""Fixed remote source, passed only after exact supervised approval.""" PROGRAM = '\nimport copy,datetime,hashlib,json,os,re,subprocess,sys\nif sys.flags.optimize:raise RuntimeError(\'optimized interpreter refused\')\npayload=json.loads(__PAYLOAD__)\nexec(__GUARD__)\nphase=payload[\'phase\']\nif phase not in (\'drill-backup\',\'cutover-backup\',\'drill-copy\',\'cutover-copy\',\'release\',\'verify\',\'rollback\',\'rollback-verify\'):raise ValueError(\'fixed native phase required\')\ndeadline=datetime.datetime.fromisoformat(\'2026-10-12T23:59:59+00:00\')\ndef require(value,reason):\n if not value:raise ValueError(reason)\nrequire(datetime.datetime.now(datetime.timezone.utc)0 and size<=512*1024**2 and free>=size*(2 if action==\'drill-backup\' else 1)+16*1024**2,\'bounded native snapshot capacity required\')\n if action==\'drill-backup\':\n require(not os.path.lexists(folder),\'native case directory must be unique\')\n os.mkdir(folder,0o700);os.chmod(folder,0o700)\n private(folder,True)\n filename=\'drill.sqlite\' if action==\'drill-backup\' else \'cutover.sqlite\';output=folder+\'/\'+filename\n require(not os.path.lexists(output),\'snapshot output must be unique\')\n admin=subprocess.run([\'informed-decision-admin\',\'backup\',\'--db\',db,\'--output\',output],capture_output=True,text=True,timeout=120)\n require(admin.returncode==0 and json.loads(admin.stdout)=={\'status\':\'backed_up\',\'consistent_snapshot\':True},\'backup completion not verified; do not retry\')\n private(output)\n for suffix in (\'-wal\',\'-shm\'):\n require(not os.path.exists(output+suffix) or os.stat(output+suffix).st_size==0,\'snapshot is not closed main-file custody\')\n snapshot=counts(inspect_readonly(output))\n size=os.stat(output).st_size;require(0