import json
from pathlib import Path

proj = Path(r"C:\Users\paul_\OneDrive\fx_macro_intraday")
p = proj / "data" / "logs" / "trade_history_usdjpy.json"
data = json.loads(p.read_text(encoding="utf-8"))
print(f"Trade count: {len(data)}")
print()
print("First trade — full structure:")
print(json.dumps(data[0], indent=2))
print()
print("Field names in first trade:")
print(list(data[0].keys()))