"""Edit globals here; no CLI parser is used."""
from datetime import datetime
from pathlib import Path

SEED = 7
KAPPA = 1e-3
NUM_SAMPLES = 10**4                  # requested default
LIPSCHITZ_PAIRS = 12_000
LIPSCHITZ_RESERVOIR = 4_096
MAJORANA_STAR_STATES = 16            # only for visualization
MAX_STAR_DEGREE = 63                 # avoid unstable huge root-finding plots

BACKEND = "auto"                     # auto | jax | numpy
JAX_PLATFORM = ""                    # "", "cpu", "gpu"; set before importing JAX
RESULTS_DIR = Path("./results") / f"exp-{datetime.now():%Y%m%d-%H%M%S}"

# Chosen so the three families have comparable intrinsic dimensions:
# sphere S^(m-1), CP^(d_A d_B - 1), and Sym^N(C^2) ~ CP^N.
SPHERE_DIMS = [16, 64, 256, 1024]
CP_DIMS = [(4, 4), (8, 8), (16, 16), (32, 32)]
MAJORANA_N = [15, 63, 255, 1023]

# Batch sizes are the main speed knob; reduce CP batches first if memory is tight.
BATCH = {"sphere": 32_768, "cp": 256, "majorana": 65_536}