wrinklebrane/
├─ README.md
├─ AGENTS.md                  # optional; roles, loops, guardrails
├─ pyproject.toml             # or setup.cfg; minimal build metadata
├─ requirements.txt
├─ .gitignore
├─ src/
│  └─ wrinklebrane/
│     ├─ __init__.py
│     ├─ membrane_bank.py     # MembraneBank: holds/updates M
│     ├─ codes.py             # codebooks (Hadamard/DCT/Gaussian) + coherence tools
│     ├─ slicer.py            # 1×1 conv slicer (einsum/conv1x1) + ReLU
│     ├─ write_ops.py         # vectorized store of key–value pairs
│     ├─ metrics.py           # PSNR/SSIM/MSE; spectral entropy; gzip ratio; interference; symbiosis
│     ├─ telemetry.py         # wrappers to log K/C/S/I consistently
│     ├─ persistence.py       # leaky-integrator update with energy clamps
│     └─ utils.py             # FFT helpers, tiling, seeding, device helpers
├─ tests/
│  ├─ test_shapes_and_grad.py
│  ├─ test_codes_orthogonality.py
│  ├─ test_associative_recall_low_load.py
│  └─ test_interference_scaling.py
└─ experiments/
   ├─ p0_assoc_mem.py         # main experiment harness
   └─ viz_latents.py          # PCA/RSA/spectral maps & plots