Self-consistent .inputs metadata across all variants

Full ternary: rebuild modular detectors and drop pattern_recognition

Bit-cascade division stages and all float comparators

Bit-cascade integer comparators (8/16/32-bit) with ternary weights

Add --ternary flag to quantize.py; rewrite buffer gates as +/-1 weights

Quantize weights to per-tensor minimum signed integer dtype

Add 18 prebuilt variants and unified eval harness