import time, os, re, subprocess
os.chdir("/home/yurenh2/ept/ep_run"); LOG="runs/ep_resreg_fast.log"; TARGET=2.30
def alive(): return subprocess.run(["pgrep","-f","ckpt runs/ep_resreg_fast.pt"],capture_output=True).returncode==0
def latest():
    try: ls=[l for l in open(LOG) if l.startswith("step")]
    except Exception: return None
    if not ls: return None
    l=ls[-1]
    ms=re.search(r"step\s+(\d+)",l); mv=re.search(r"val CE ([\d.eE+-]+)",l)
    mb=re.search(r"best ([\d.eE+-]+)",l); mr=re.search(r"res=([\d.eE+-]+)",l); mj=re.search(r"jr=([\d.eE+-]+)",l)
    if not (ms and mv and mb and mr): return None
    return (int(ms.group(1)),float(mv.group(1)),float(mb.group(1)),float(mr.group(1)),float(mj.group(1)) if mj else 0.0)
fired=None; t0=time.time(); hires=0.0
while fired is None and time.time()-t0<12*3600:
    time.sleep(90)
    d=latest()
    if not alive(): fired=f"ep_resreg_fast EXITED; last {d}"; break
    if not d: continue
    step,val,best,res,jr=d
    hires=max(hires,res)
    if val>12 or res>0.3: fired=f"ep_resreg_fast BLEW @step{step} val{val:.2f} res{res:.1e} best{best:.4f} peakres{hires:.1e}"; break
    if best<=TARGET: fired=f"ep_resreg_fast reached {TARGET}: step{step} best{best:.4f} val{val:.4f} res{res:.1e} peakres{hires:.1e} -> resreg broke past the jacreg-stall region"; break
print(f"=== EP_RESREG_FAST -> {TARGET} ==="); print(fired or "12h timeout"); print("last:",latest())