#!/usr/bin/env python3
"""Verify, infer, and evaluate the explicitly pinned new latent checkpoint on two releases."""
from __future__ import annotations
import argparse, copy, csv, datetime, fcntl, hashlib, importlib.metadata, io, json, os
from pathlib import Path
import shutil, struct, subprocess, sys, threading, time, zipfile

ROOT = Path(__file__).resolve().parents[1]
CHECKPOINT = Path('/private/step-3000.safetensors')
MODEL_SHA = '3e14d04dd0cd4b7cf5d6dfb10c70a554411800240581db38dbd94aa494e5398e'
RUN_NAME = 'latent_new_step3000_20261010_3e14d04dd0cd'
BENCH = ROOT / 'evaluation' / RUN_NAME
BUNDLE = ROOT / 'evaluation/hud_original_weights_20261009'
SOURCE = BENCH / 'source_snapshot'
KEY_NAMES = ('STATEPLAY_GPT_API_KEY', 'STATEPLAY_GEMINI_API_KEY')
ARCHIVES = {
 'test200': (Path('/private/StatePlay_test_200_train_ratio.zip'), '62ee337b5d308bdbf5d9cd16e45affa4f0af1124af7e84fd4712b64b72f2de23', 'stateplay_test_200_train_ratio/', ROOT/'data/stateplay_test_200_train_ratio'),
 'test100': (Path('/private/StatePlay_test_100_train_ratio_v2_wins.zip'), 'a30d76855d6bafe36028862fe8f2146cafb41eeeeec25c4adb044cdb0413c4b2', 'stateplay_test_100_train_ratio_v2_wins/', BUNDLE/'evaluation/hud_runs/testDatabase_100'),
}
PARAMETERS = dict(steps=30, seed=2, cfg=5.0, state_cfg=1.0, action_cfg=1.0, num_frames=101, fps=20, width=832, height=480, state_sampling='end', dtype='bfloat16')
EXPECTED_SCRIPTS = {'scripts/generate_proxy_benchmark.py':'f2d17445bca9609b20df6ef5a578e999c7789058cbbd7fbcdccd998c63eecc54', 'stateplay_eval.py':'690de8f55cf176cf365d76a144cff546113e4fb28e1c6ddaa18e293a54f0b552'}


def now(): return datetime.datetime.now(datetime.timezone.utc).isoformat()
def write_json(p, value):
 p.parent.mkdir(parents=True, exist_ok=True); temp=p.with_suffix(p.suffix+'.tmp');temp.write_text(json.dumps(value,ensure_ascii=False,indent=2)+'\n');temp.replace(p)
def sha(p):
 h=hashlib.sha256()
 with Path(p).open('rb') as f:
  for b in iter(lambda:f.read(16*1024*1024),b''):h.update(b)
 return h.hexdigest()
def check(condition, message):
 if not condition: raise RuntimeError(message)
def csv_rows(p):
 with Path(p).open(encoding='utf-8-sig',newline='') as f:return list(csv.DictReader(f))
def zip_rows(z,p):return list(csv.DictReader(io.StringIO(z.read(p).decode('utf-8-sig'))))
def write_csv(p,rows):
 p.parent.mkdir(parents=True,exist_ok=True)
 with p.open('w',encoding='utf-8-sig',newline='') as f:
  w=csv.DictWriter(f,fieldnames=list(rows[0]));w.writeheader();w.writerows(rows)
def status(stage, **details):
 value=dict(time=now(),stage=stage,checkpoint=str(CHECKPOINT),checkpoint_sha256=MODEL_SHA,run_name=RUN_NAME,**details)
 write_json(BENCH/'status.json',value);print(now(),stage,json.dumps(details,ensure_ascii=False),flush=True)
def header(p):
 with Path(p).open('rb') as f:return json.loads(f.read(struct.unpack('<Q',f.read(8))[0]))


def preflight():
 status('preflight')
 check(CHECKPOINT.is_file(),f'Missing exact checkpoint: {CHECKPOINT}')
 check(sha(CHECKPOINT)==MODEL_SHA,'New checkpoint SHA256 differs; refusing inference')
 h=header(CHECKPOINT);old=header(ROOT/'outputs/latent_world/step-4572.safetensors')
 check(set(h)==set(old) and all((h[k]['shape'],h[k]['dtype'])==(old[k]['shape'],old[k]['dtype']) for k in h),'New checkpoint schema differs from the previously supported latent architecture')
 check(any(k.startswith('latent_state_rollout.') for k in h) and not any(k.startswith(('state_encoder.','state_decoder.')) for k in h),'Expected latent-state checkpoint, not explicit/official architecture')
 for rel,digest in EXPECTED_SCRIPTS.items():check(sha(ROOT/rel)==digest,f'Existing inference/evaluation script has changed: {rel}')
 for rel in ['Wan-AI/Wan2.2-TI2V-5B/Wan2.2_VAE.pth','Wan-AI/Wan2.2-TI2V-5B/models_t5_umt5-xxl-enc-bf16.pth','Wan-AI/Wan2.1-T2V-1.3B/google/umt5-xxl/spiece.model']:
  check((ROOT/'base_model'/rel).is_file(),f'Missing base asset: {rel}')
 check(len(list((ROOT/'base_model/Wan-AI/Wan2.2-TI2V-5B').glob('diffusion_pytorch_model-*.safetensors')))==3,'Expected three Wan base DiT shards')
 # Freeze this run's code; future edits in the main tree must not alter in-flight jobs.
 if not SOURCE.exists():
  SOURCE.mkdir(parents=True)
  ignore=shutil.ignore_patterns('__pycache__','*.pyc','.ipynb_checkpoints')
  for rel in ['stateplay','diffsynth','training']:shutil.copytree(ROOT/rel,SOURCE/rel,ignore=ignore)
  (SOURCE/'scripts').mkdir()
  for rel in ['scripts/generate_proxy_benchmark.py','scripts/verify_new_generation_outputs.py','stateplay_eval.py']:
   shutil.copyfile(ROOT/rel,SOURCE/rel)
  (SOURCE/'assets').mkdir()
  for name in ['macro_success.png','result_win.png','result_lose.png']:shutil.copyfile(ROOT/'assets'/name,SOURCE/'assets'/name)
  write_json(BENCH/'source_snapshot_identity.json',{str(p.relative_to(SOURCE)):sha(p) for p in SOURCE.rglob('*') if p.is_file()})
 else:
  for rel,digest in json.loads((BENCH/'source_snapshot_identity.json').read_text()).items():check(sha(SOURCE/rel)==digest,f'Frozen source changed: {rel}')
 for rel,digest in EXPECTED_SCRIPTS.items():check(sha(SOURCE/rel)==digest,f'Wrong frozen source: {rel}')
 bundle_manifest=json.loads((BUNDLE/'FILE_MANIFEST.json').read_text())
 for rel,info in bundle_manifest['files'].items():check(sha(BUNDLE/rel)==info['sha256'],f'HUD bundle changed: {rel}')
 sys.path.insert(0,str(BUNDLE))
 from evaluation.hud.common import load_states
 selections={};metas={};groups={};identities={};source100={}
 historical=json.loads((ROOT/'evaluation/test_200_train_ratio/selection.json').read_text());past={s['source_id']:s for s in historical['samples']}
 for ds,(archive,digest,prefix,data) in ARCHIVES.items():
  check(sha(archive)==digest,f'Wrong test ZIP: {archive}')
  with zipfile.ZipFile(archive) as z:
   rows=zip_rows(z,prefix+'metadata_state_polish.csv');metas[ds]=rows
   count=200 if ds=='test200' else 100;check(len(rows)==count,f'Wrong metadata count: {ds}')
   check(rows==csv_rows(data/'metadata_state_polish.csv'),f'Extracted metadata differs: {ds}')
   groups[ds]={r['clip_id']:r for r in zip_rows(z,prefix+'selection_manifest.csv')}
   if ds=='test100':source100={r['clip_id']:r for r in zip_rows(z,prefix+'qa/source_provenance.csv')}
   samples=[]
   for index,row in enumerate(rows,1):
    clip=Path(row['video']).parent.name;hashes={}
    for name,rel in [('video',row['video']),('actions',row['action']),('first_frame',str(Path(row['video']).parent/'first_frame.png'))]:
     digest_asset=hashlib.sha256(z.read(prefix+rel)).hexdigest();check(sha(data/rel)==digest_asset,f'Asset differs from ZIP: {ds}/{clip}/{name}');hashes[name]=digest_asset
    check(load_states(data/row['action']).shape==(100,5),f'Invalid actual state timeline: {ds}/{clip}')
    label=row['distribution'].lower();sid=f"{'tr200' if ds=='test200' else 'tr100'}_{index:04d}"
    sample=dict(id=sid,source_kind=RUN_NAME+'_'+ds,source_id=clip,label=label,input_image=str(data/Path(row['video']).parent/'first_frame.png'),source_video=str(data/row['video']),reference_video=str(data/row['video']),actions=str(data/row['action']),prompt=row['prompt'],output_name=f'{sid}_{label}_{clip}.mp4',identity=hashes)
    if ds=='test200':
     s=past[clip];check(s['prompt']==sample['prompt'] and s['label']==label,'Historical generation inputs differ')
     check(hashes['video']==s['identity']['video_sha256'] and hashes['actions']==s['identity']['actions_file_sha256'] and hashes['first_frame']==s['identity']['first_frame_sha256'],'Historical asset hashes differ')
    identities[(ds,clip)]=hashes;samples.append(sample)
   check(len({s['source_id'] for s in samples})==count,'Duplicate clip IDs')
   from collections import Counter
   check(Counter(s['label'] for s in samples)==dict(normal=count*6//10,macro_success=count//10,macro_fail=count//10,result_win=count//10,result_lose=count//10),'Unexpected class distribution')
   selections[ds]=dict(benchmark_name=RUN_NAME+'_'+ds,checkpoint=str(CHECKPOINT),checkpoint_sha256=MODEL_SHA,source_archive=str(archive),source_archive_sha256=digest,dataset_root=str(data),samples=samples)
   print('Verified original archive, all recorded assets and labels:',ds,count,flush=True)
 by200={s['source_id']:s for s in selections['test200']['samples']};mapping=[]
 for s in selections['test100']['samples']:
  source=source100[s['source_id']];mapped=source['verified_200_clip_id'];t=by200[mapped]
  check(s['identity']==t['identity'] and (s['prompt'],s['label'])==(t['prompt'],t['label']),'100 -> 200 inputs do not match exactly')
  mapping.append(dict(clip_id_100=s['source_id'],clip_id_200=mapped,id_100=s['id'],id_200=t['id'],output_100=s['output_name'],output_200=t['output_name']))
 check(len({m['clip_id_200'] for m in mapping})==100,'100 subset duplicates')
 write_csv(BENCH/'test100_to_test200_mapping.csv',mapping)
 for ds,selection in selections.items():
  p=BENCH/ds;p.mkdir(exist_ok=True);write_json(p/'selection.json',selection)
  visual=[];mechanics=[];hud=[]
  for s in selection['samples']:
   pred=str(p/'generated'/RUN_NAME/s['output_name']);g=groups[ds][s['source_id']]
   group=g.get('recording_root','')+'|'+g['episode_id'] if g.get('episode_id') else s['source_id']
   visual.append(dict(id=s['id'],prediction=pred,reference=s['source_video'],label=s['label']))
   mechanics.append(dict(id=s['id'],prediction=pred,label=s['label']))
   hud.append(dict(id=s['source_id'],prediction=pred,recorded=s['actions'],distribution=s['label'],source_group=group))
  write_csv(p/'manifest_visual.csv',visual);write_csv(p/'manifest_mechanics.csv',mechanics);write_csv(p/'manifest_hud.csv',hud)
 identity=dict(checkpoint=str(CHECKPOINT),checkpoint_sha256=MODEL_SHA,bytes=CHECKPOINT.stat().st_size,mtime_ns=CHECKPOINT.stat().st_mtime_ns,architecture='latent-state',parameters=PARAMETERS,exact_100_subset_verified=True,distinct_inference_inputs=200,test100_samples=100,test200_samples=200,inference_script_sha256=EXPECTED_SCRIPTS['scripts/generate_proxy_benchmark.py'],original_evaluator_sha256=EXPECTED_SCRIPTS['stateplay_eval.py'],hud_checkpoint_sha256=sha(BUNDLE/'evaluation/hud_runs/reader_full/reader_final.pt'),model_role='user newly trained checkpoint; not official and not outputs/latent_world/step-3000',source_snapshot=str(SOURCE))
 existing=BENCH/'model_identity.json'
 if existing.exists():
  prev=json.loads(existing.read_text());check(prev==identity,'Existing run identity differs; refusing reuse')
 write_json(existing,identity)
 versions={n:importlib.metadata.version(n) for n in ['torch','torchvision','numpy','Pillow','imageio','pyarrow','lpips','scikit-image']}
 write_json(BENCH/'environment.json',dict(python=sys.version,executable=sys.executable,packages=versions))
 status('preflight_passed',datasets=['test200','test100'],parameters=PARAMETERS)
 return selections,mapping


def valid_video(p):
 import cv2
 if not p.is_file() or p.stat().st_size<1024:return False
 c=cv2.VideoCapture(str(p))
 try:
  n=int(c.get(cv2.CAP_PROP_FRAME_COUNT)); fps=c.get(cv2.CAP_PROP_FPS);w=int(c.get(cv2.CAP_PROP_FRAME_WIDTH));h=int(c.get(cv2.CAP_PROP_FRAME_HEIGHT))
  first=c.read()[0];c.set(cv2.CAP_PROP_POS_FRAMES,100);last=c.read()[0]
  return n==101 and abs(fps-20)<.01 and (w,h)==(832,480) and first and last
 finally:c.release()


def command(stage,cmd,cwd=ROOT,env=None,attempts=3):
 marker=BENCH/'stages'/f'{stage}.json';log=BENCH/'logs'/f'{stage}.log';log.parent.mkdir(parents=True,exist_ok=True)
 if marker.exists():
  record=json.loads(marker.read_text());check(record['command']==list(map(str,cmd)),'Completed stage command mismatch');print('Resume completed stage:',stage,flush=True);return
 for attempt in range(1,attempts+1):
  status(stage,attempt=attempt,log=str(log))
  with log.open('ab') as f:
   p=subprocess.Popen(list(map(str,cmd)),cwd=cwd,env=env,stdin=subprocess.DEVNULL,stdout=f,stderr=subprocess.STDOUT)
   write_json(BENCH/'active_stage.json',dict(stage=stage,pid=p.pid,log=str(log),command=list(map(str,cmd))))
   code=p.wait()
  if code==0:write_json(marker,dict(time=now(),command=list(map(str,cmd)),exit_code=0));return
  print('Stage failed:',stage,'attempt',attempt,'exit',code,'see',log,flush=True)
  if attempt<attempts:time.sleep(min(attempt*30,60))
 raise RuntimeError(f'{stage} failed after {attempts} attempts; see {log}')


def infer(selections,gpus,stagger):
 selection=selections['test200'];directory=BENCH/'test200/generated'/RUN_NAME;directory.mkdir(parents=True,exist_ok=True)
 # A controller restart must leave already-running GPU workers alone and wait for them.
 process_record=BENCH/'inference_processes.json'
 if process_record.exists():
  previous=json.loads(process_record.read_text()).get('processes',[])
  adopted=[]
  for job in previous:
   process=Path('/proc')/str(job['pid'])
   if not process.exists():continue
   try:
    argv=(process/'cmdline').read_bytes().split(b'\0')
    state=next(line for line in (process/'status').read_text().splitlines() if line.startswith('State:'))
   except FileNotFoundError:continue
   if '(zombie)' in state:continue
   check(str(CHECKPOINT).encode() in argv and str(SOURCE/'scripts/generate_proxy_benchmark.py').encode() in argv,'Refusing to adopt an unrelated worker')
   adopted.append(job)
  if adopted:
   write_json(BENCH/'adopted_inference_workers.json',dict(time=now(),workers=adopted,checkpoint_sha256=MODEL_SHA))
   while adopted:
    live=[]
    for job in adopted:
     process=Path('/proc')/str(job['pid'])
     try:
      state=next(line for line in (process/'status').read_text().splitlines() if line.startswith('State:'))
      if '(zombie)' not in state:live.append(job)
     except FileNotFoundError:pass
    adopted=live
    if adopted:
     status('inference_test200',adopted_workers=len(adopted),note='existing GPU inference continues without restart')
     time.sleep(30)
 def quarantine_invalid():
  for p in list(directory.glob('*.mp4')):
   if p.name.endswith('.tmp.mp4') or not valid_video(p):
    q=BENCH/'quarantine';q.mkdir(exist_ok=True);p.replace(q/(str(time.time_ns())+'_'+p.name))
 quarantine_invalid()
 attempts=3
 for attempt in range(1,attempts+1):
  pending=[i for i in range(len(gpus)) if any(not (directory/s['output_name']).is_file() for j,s in enumerate(selection['samples']) if j%len(gpus)==i)]
  if not pending:break
  status('inference_test200',attempt=attempt,gpus=gpus,shards=pending)
  processes=[]
  for index,shard in enumerate(pending):
   ident=json.loads((BENCH/'model_identity.json').read_text());check(CHECKPOINT.stat().st_size==ident['bytes'] and CHECKPOINT.stat().st_mtime_ns==ident['mtime_ns'],'Checkpoint changed after preflight')
   env=os.environ.copy();env.update(CUDA_VISIBLE_DEVICES=str(gpus[shard]),TOKENIZERS_PARALLELISM='false',PYTHONUNBUFFERED='1')
   log=BENCH/'logs'/f'inference_shard_{shard}_attempt_{attempt}.log';handle=log.open('wb')
   cmd=[sys.executable,'-u',str(SOURCE/'scripts/generate_proxy_benchmark.py'),'--manifest',str(BENCH/'test200/selection.json'),'--checkpoint',str(CHECKPOINT),'--run-name',RUN_NAME,'--base-model',str(ROOT/'base_model'),'--output-root',str(BENCH/'test200/generated'),'--shard-index',str(shard),'--num-shards',str(len(gpus)),'--steps','30','--cfg','5.0','--action-cfg','1.0','--seed','2','--skip-existing']
   p=subprocess.Popen(cmd,cwd=SOURCE,env=env,stdin=subprocess.DEVNULL,stdout=handle,stderr=subprocess.STDOUT);processes.append((p,handle,log))
   write_json(BENCH/'inference_processes.json',dict(attempt=attempt,processes=[dict(pid=p.pid,log=str(l)) for p,_,l in processes]))
   print('Started inference shard',shard,'GPU',gpus[shard],'PID',p.pid,flush=True)
   if index<len(pending)-1 and stagger:time.sleep(stagger)
  for p,handle,log in processes:
   code=p.wait();handle.close()
   text=log.read_text(errors='replace')
   check(code!=0 or 'architecture=latent-state loaded: 1319 keys (30 action_embedders, 0 state keys), missing=0, unexpected=0' in text,'Inference loaded an unexpected architecture')
   if code:print('Inference worker failed',p.pid,code,'see',log,flush=True)
  quarantine_invalid()
  if all((directory/s['output_name']).is_file() for s in selection['samples']):break
 check(all((directory/s['output_name']).is_file() for s in selection['samples']),'Some new-model videos are missing after retries')
 command('verify_test200',[sys.executable,str(SOURCE/'scripts/verify_new_generation_outputs.py'),'--selection',str(BENCH/'test200/selection.json'),'--generated-root',str(BENCH/'test200/generated'),'--run-name',RUN_NAME,'--expected-count','200'])
 return directory


def subset(mapping,directory):
 target=BENCH/'test100/generated'/RUN_NAME;target.mkdir(parents=True,exist_ok=True)
 for m in mapping:
  p=target/m['output_100'];source=directory/m['output_200']
  if p.is_symlink():check(p.resolve()==source.resolve(),'Existing subset link differs')
  elif p.exists():check(sha(p)==sha(source),'Existing subset video differs')
  else:p.symlink_to(os.path.relpath(source,target))
 command('verify_test100',[sys.executable,str(SOURCE/'scripts/verify_new_generation_outputs.py'),'--selection',str(BENCH/'test100/selection.json'),'--generated-root',str(BENCH/'test100/generated'),'--run-name',RUN_NAME,'--expected-count','100'])
 evidence=[]
 for ds in ['test200','test100']:
  selection=json.loads((BENCH/ds/'selection.json').read_text())
  for s in selection['samples']:
   p=BENCH/ds/'generated'/RUN_NAME/s['output_name'];evidence.append(dict(dataset=ds,id=s['id'],source_id=s['source_id'],prediction=str(p),resolved_prediction=str(p.resolve()),bytes=p.stat().st_size,prediction_sha256=sha(p),checkpoint_sha256=MODEL_SHA))
 write_csv(BENCH/'generated_video_identity.csv',evidence)


def load_credentials(path=None):
 values={n:os.environ.get(n,'').strip() for n in KEY_NAMES}
 if path:
  text=Path(path).read_text()
  try:data=json.loads(text)
  except json.JSONDecodeError:
   data={}
   for line in text.splitlines():
    line=line.strip()
    if line.startswith('export '):line=line[7:]
    if not line or line.startswith('#') or '=' not in line:continue
    k,v=line.split('=',1);data[k.strip()]=v.strip().strip('"\'')
  for n in KEY_NAMES:
   if data.get(n):values[n]=str(data[n]).strip()
 return values


def credential_channel(initial):
 values=initial.copy();ready=threading.Event();fifo=BENCH/'credentials_fifo_path.txt'
 tempdir=Path('/tmp')/RUN_NAME;tempdir.mkdir(mode=0o700,exist_ok=True);pipe=tempdir/'judge_credentials.fifo'
 if pipe.exists():pipe.unlink()
 os.mkfifo(pipe,0o600);fifo.write_text(str(pipe)+'\n')
 def receive():
  fd=os.open(pipe,os.O_RDONLY|os.O_NONBLOCK);buffer=b''
  try:
   while not ready.is_set():
    try:chunk=os.read(fd,65536)
    except BlockingIOError:
     time.sleep(.5);continue
    if chunk:
     buffer+=chunk
     if b'\n' in buffer:
      try:
       data=json.loads(buffer.split(b'\n',1)[0]);incoming={n:str(data.get(n,'')).strip() for n in KEY_NAMES}
       if all(incoming.values()):values.update(incoming);ready.set();print('Judge credentials received in memory.',flush=True)
       else:print('Incomplete credential submission; waiting for both required keys.',flush=True)
      except (ValueError,TypeError):print('Invalid credential submission; no secret values logged.',flush=True)
      buffer=b''
    time.sleep(.5)
  finally:os.close(fd)
 if all(values.values()):ready.set()
 else:threading.Thread(target=receive,daemon=True).start()
 return values,ready,pipe


def run(args):
 BENCH.mkdir(parents=True,exist_ok=True);(BENCH/'logs').mkdir(exist_ok=True)
 lock=(BENCH/'.run.lock').open('a')
 try:fcntl.flock(lock,fcntl.LOCK_EX|fcntl.LOCK_NB)
 except BlockingIOError:raise RuntimeError('This exact model/test run is already active')
 values,ready,pipe=credential_channel(load_credentials(args.credential_file))
 try:
  selections,mapping=preflight();directory=infer(selections,args.gpus.split(','),args.stagger);subset(mapping,directory)
  # Both fully local evaluations finish before waiting for remote judge credentials.
  for ds in ['test200','test100']:
   p=BENCH/ds
   command('visual_'+ds,[sys.executable,str(SOURCE/'stateplay_eval.py'),'--manifest',str(p/'manifest_visual.csv'),'--output',str(p/'results_visual.json'),'--visual-metrics','ssim','lpips','--mechanics','none','--device','cuda:0','--lpips-batch-size','8'])
   command('hud_'+ds,[sys.executable,'-u','-m','evaluation.hud.evaluate','--manifest',str(p/'manifest_hud.csv'),'--geometry','cover','--exclude-first','--device','cuda','--output',str(p/'hud_results')],cwd=BUNDLE)
  if not ready.is_set():
   status('waiting_for_judge_credentials',local_evaluations='complete',supply_command='bash scripts/run_new_step3000_two_tests.sh --supply-credentials',credentials_never_saved_to_disk=True)
   ready.wait()
  import importlib.util
  api_spec=importlib.util.spec_from_file_location('step3000_api_resume',ROOT/'scripts/resume_step3000_api_eval.py')
  api_runner=importlib.util.module_from_spec(api_spec);api_spec.loader.exec_module(api_runner)
  api_runner.run(argparse.Namespace(credential_file=None),lock_already_held=True,credentials=values)
 except BaseException as exc:
  # Exception messages here only describe stages/files; credential contents never enter them.
  status('failed',error=str(exc));raise
 finally:
  if pipe.exists():pipe.unlink()
  lock.close()


def main():
 parser=argparse.ArgumentParser(description=__doc__)
 parser.add_argument('--detach',action='store_true');parser.add_argument('--preflight-only',action='store_true');parser.add_argument('--supply-credentials',action='store_true');parser.add_argument('--credential-file',type=Path)
 parser.add_argument('--gpus',default='0,1,2,3,4,5,6');parser.add_argument('--stagger',type=int,default=60)
 args=parser.parse_args();os.umask(0o077)
 if args.supply_credentials:
  values=load_credentials(args.credential_file)
  if not all(values.values()):
   if not sys.stdin.isatty():raise SystemExit('Set both STATEPLAY_GPT_API_KEY and STATEPLAY_GEMINI_API_KEY in the environment, or provide --credential-file; do not put keys in command arguments.')
   import getpass
   for n in KEY_NAMES:
    if not values[n]:values[n]=getpass.getpass(n+': ').strip()
  check(all(values.values()),'Both judge credentials are required')
  pipe=Path((BENCH/'credentials_fifo_path.txt').read_text().strip());fd=os.open(pipe,os.O_WRONLY|os.O_NONBLOCK)
  try:os.write(fd,(json.dumps(values)+'\n').encode())
  finally:os.close(fd)
  print('Credentials delivered to the running batch in memory; no secret file written.');return
 if args.preflight_only:
  BENCH.mkdir(parents=True,exist_ok=True);preflight();return
 if args.detach:
  BENCH.mkdir(parents=True,exist_ok=True);log=BENCH/'logs/launcher.log';log.parent.mkdir(exist_ok=True)
  cmd=[sys.executable,'-u',str(Path(__file__).resolve()),'--gpus',args.gpus,'--stagger',str(args.stagger)]
  if args.credential_file:cmd+=['--credential-file',str(args.credential_file.resolve())]
  with log.open('ab') as f:p=subprocess.Popen(cmd,cwd=ROOT,stdin=subprocess.DEVNULL,stdout=f,stderr=subprocess.STDOUT,start_new_session=True)
  (BENCH/'launcher.pid').write_text(str(p.pid)+'\n');time.sleep(2)
  check(p.poll() is None,f'Batch exited during startup; see {log}')
  print(json.dumps(dict(pid=p.pid,model=str(CHECKPOINT),checkpoint_sha256=MODEL_SHA,benchmark=str(BENCH),log=str(log)),indent=2));return
 run(args)

if __name__=='__main__':main()