exp001 s1 amendment: lune relay-vs-frozen 2-seed; gate-shrink replicates

exp001_sd15_relay/README.md

@@ -53,3 +53,10 @@ recorded recipe).
 
 **Checkpoints.** `relay_all16_s0.pt` (dims rebuild from the state dict;
 `aleph_diffusion_core.load_relay_stack`), `lora_r32_s0/` (PEFT).
+
+---
+## SEED-1 REPLICATION (2026-07-17, `results_s1.json`, relay arm only) — RELAY-vs-FROZEN 2-SEED
+relay 0.517623 (s0 0.517960) vs frozen 0.52241 — beats frozen both seeds
+(−0.9%); toggle bit-exact both seeds; gate-shrink dynamic replicates
+(0.0438/0.0432); round-trip +0.2158 (s0 +0.2052). The relay-vs-LoRA
+comparison remains s0-only on this substrate (2-seed on the core, exp006).

exp001_sd15_relay/results_s1.json

@@ -0,0 +1,65 @@
+{
+  "config": {
+    "steps": 3000,
+    "batch": 16,
+    "lr": 0.001,
+    "n_train": 4096,
+    "n_val": 256,
+    "seed": 1,
+    "optimizer": "torch.optim.Adam wd=0"
+  },
+  "frozen": {
+    "val": {
+      "mean": 0.5224103183136322,
+      "per_band": {
+        "band0": 0.55996,
+        "band1": 0.49406,
+        "band2": 0.43805,
+        "band3": 0.57615
+      }
+    }
+  },
+  "relay_all16": {
+    "n_params": 3227568,
+    "train": {
+      "steps": 3000,
+      "final_loss_ma50": 0.51982,
+      "s_per_step": 1.863,
+      "peak_mem_gb": 11.19
+    },
+    "val": {
+      "mean": 0.5176226806943305,
+      "per_band": {
+        "band0": 0.5524,
+        "band1": 0.49104,
+        "band2": 0.43611,
+        "band3": 0.5741
+      }
+    },
+    "val_toggled_off": {
+      "mean": 0.5224103183136322,
+      "per_band": {
+        "band0": 0.55996,
+        "band1": 0.49406,
+        "band2": 0.43805,
+        "band3": 0.57615
+      }
+    },
+    "gates": {
+      "gate_mean": 0.04382,
+      "gate_min": 0.03085,
+      "gate_max": 0.05965
+    },
+    "round_trip": {
+      "cond": 0.7683,
+      "shuffled": 0.5525,
+      "cond_minus_shuffled": 0.2158
+    }
+  },
+  "verdict": {
+    "relay_beats_frozen": true,
+    "relay_vs_lora": "lora_not_run",
+    "param_ratio": null,
+    "note": "prereg: relay >= lora at matched params; 1-seed CANDIDATE"
+  }
+}