import json, os, glob
m = {}
for d in sorted(glob.glob("runs/*_lr*")):
    if not os.path.isdir(d) or not os.path.exists(f"{d}/checkpoints.jsonl"): continue
    s = os.stat(f"{d}/config.json").st_mtime; e = os.stat(f"{d}/checkpoints.jsonl").st_mtime
    steps = sum(1 for l in open(f"{d}/metrics.jsonl") if '"env/all/correct"' in l)
    planned = 3 if "pilot" in d else 40
    m[os.path.basename(d)] = {"seconds": round(e - s, 1), "units": steps, "planned_units": planned, "samples": steps * 64,
                              "gpu_count": None, "allocation_source": "shared Spindle (allocation not exposed)"}
json.dump(m, open("feasibility_measurements.json", "w"), indent=1); print(json.dumps(m))