Create config.json

config.json

@@ -0,0 +1,67 @@
+{
+  "model_type": "hv_acausal_memory",
+  "version": 1,
+  "dependencies": ["numpy"],
+  "primitive": {
+    "representation": "sparse ternary (±1/0)",
+    "default_D": 5000,
+    "default_nnz": 200,
+    "default_max_anchors": 2000,
+    "similarity": "weighted cosine"
+  },
+  "mechanisms": {
+    "forget_gate": {
+      "beta_base": 0.02,
+      "beta_max": 0.30,
+      "decay": "exp(-beta * dt) applied per step",
+      "pressure": "n_active / max_anchors"
+    },
+    "resurrection": {
+      "threshold": 0.3,
+      "boost": 0.5,
+      "trigger": "cosine similarity between reminder and dead anchor's key"
+    },
+    "acausal_prefetch": {
+      "partial_query_keep_fraction": "user-specified",
+      "similarity_restricted_to_known_dims": true
+    },
+    "retrieval_boost": 0.5
+  },
+  "capacity_bound": {
+    "formula": "N ≈ D / (2 log D)",
+    "value_at_D_5000": 290,
+    "applies_to": "noise-free recall",
+    "with_noise": "effective bound is larger"
+  },
+  "storage_estimate": {
+    "dense_bytes_per_anchor": "2 * D",
+    "sparse_bytes_per_anchor": "2 * nnz * 3",
+    "at_D_5000_nnz_200": {
+      "dense_kb_per_anchor": 9.77,
+      "sparse_kb_per_anchor": 1.17,
+      "anchors_in_187KB": 160
+    }
+  },
+  "benchmark_results": {
+    "noise_free_retrieval": 1.0,
+    "noise_p_0.2_retrieval": 1.0,
+    "noise_p_0.5_retrieval": 0.0,
+    "capacity_noise_free_N_4000": "degrades below 1.0",
+    "capacity_p_0.2_N_4000": 1.0,
+    "exact_resurrection_rate": 1.0,
+    "partial_resurrection_rate_keep_0.5": 0.7,
+    "acausal_top1_keep_0.5_no_noise": 1.0,
+    "checks_passed": 16,
+    "checks_total": 16
+  },
+  "source_notes": {
+    "issue": "XuanJi #70",
+    "title": "Evolutionary Plugin Ecology — Hyper-NSV module",
+    "claims_in_source": [
+      "187 KB memory footprint",
+      "acausal retrieval",
+      "forget-gate prevents nostalgia loop"
+    ],
+    "this_implementation": "numpy-only reference with capacity, retrieval, and mechanism benchmarks"
+  }
+}