[{"type":"thinking","thinking":"Path bug: `ROOT = Path(__file__).resolve().parents[2]` — script is at research/numerics/scripts/E-027-detector.py, so parents[0] = scripts, parents[1] = numerics, parents[2] = research. So ROOT = .../research, not the repo root! DATA = ROOT/\"research\"/\"numerics\"/\"data\" → doubled. Other scripts — how do they do it? Probably parents[3]. Fix: parents[3] = repo root D:\\Python\\Quantum.","signature":""},{"type":"text","text":"Path bug — `parents[2]` resolves to `research/`, not the repo root. Fixing."},{"type":"tool_use","id":"Edit_65","name":"Edit","input":{"file_path":"D:\\Python\\Quantum\\research\\numerics\\scripts\\E-027-detector.py","new_string":"ROOT = Path(__file__).resolve().parents[3]","old_string":"ROOT = Path(__file__).resolve().parents[2]","replace_all":false},"extra_content":null}]