diff --git a/experiments/plateau_krylov_cases.json b/experiments/plateau_krylov_cases.json
new file mode 100644
index 0000000..f9c5374
--- /dev/null
+++ b/experiments/plateau_krylov_cases.json
@@ -0,0 +1,32 @@
+[
+  {
+    "id": "n1_J0p05_no_central_R160_guard",
+    "arguments": [
+      "--index",
+      "1",
+      "--angular-momentum",
+      ".05",
+      "--no-central",
+      "--restart",
+      "160",
+      "--max-newton",
+      "8"
+    ],
+    "notes": "Matched restart-160 live control with true-residual initial-guess safeguard; all other numerical choices unchanged."
+  },
+  {
+    "id": "n1p5_J0_no_central_R160_guard",
+    "arguments": [
+      "--index",
+      "1.5",
+      "--angular-momentum",
+      "0",
+      "--no-central",
+      "--restart",
+      "160",
+      "--max-newton",
+      "8"
+    ],
+    "notes": "Matched restart-160 live control with true-residual initial-guess safeguard; all other numerical choices unchanged."
+  }
+]