[Docs] Update MegaMoE handling and rerun benchmarks (#27726)

.claude/skills/cookbook-add-model/templates/config.jsx.tmpl

@@ -178,10 +178,32 @@ sgl-eval run gsm8k \\
         options: [
           { id: null,               label: "Inherited" },
           { id: "deepep",           label: "DeepEP",            flags: ["--moe-a2a-backend deepep"] },
+          // KEEP the MegaMoE option + the megamoeQuant block below ONLY for Blackwell
+          // MoE kernel-fusion models; DELETE both otherwise. requiresHw gates it to
+          // Blackwell (the engine hides it elsewhere); add excludesStrategy: [...] too
+          // for a strategy gate. Selecting MegaMoE reveals the Quantization sub-select.
+          { id: "megamoe",          label: "MegaMoE",           flags: ["--moe-a2a-backend megamoe"],
+            requiresHw: ["b200", "b300", "gb200", "gb300"] },
           { id: "flashinfer_mxfp4", label: "FlashInfer (MXFP4)", flags: ["--moe-runner-backend flashinfer_mxfp4"] },
           { id: "marlin",           label: "Marlin (W4A16)",    flags: ["--moe-runner-backend marlin"] },
         ],
       },
+      // MegaMoE quantization sub-select — shown only when backend === "megamoe".
+      // W4A4 adds the FP4-activations env vars; both strip the DeepEP dispatch env.
+      // DELETE this block if there's no MegaMoE backend option above.
+      megamoeQuant: {
+        stripEnv: ["SGLANG_DEEPEP_NUM_MAX_DISPATCH_TOKENS_PER_RANK"],
+        options: [
+          { id: "w4a8", label: "W4A8",
+            env: ["SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK=8320"] },
+          { id: "w4a4", label: "W4A4",
+            env: [
+              "SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK=8320",
+              "SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS=1",
+              "SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND=1",
+            ] },
+        ],
+      },
       ep: { label: "EP", values: [
         null, 1, 2, 4, 8,
         { value: 16, disable: { nodes: ["single"] },
@@ -275,19 +297,6 @@ sgl-eval run gsm8k \\
       ],
       defaultHostRatio: 10,
     },
-
-    // ----- Card: "MegaMoE" -----  KEEP only for Blackwell MoE kernel-fusion models.
-    megamoe: {
-      requiresHw: ["b200", "b300", "gb200", "gb300"],
-      excludesStrategy: ["low-latency", "balanced"],
-      stripEnv: ["SGLANG_DEEPEP_NUM_MAX_DISPATCH_TOKENS_PER_RANK"],
-      options: [
-        { id: "disabled", label: "Disabled" },
-        { id: "w4a8",     label: "W4A8",
-          flags: ["--moe-a2a-backend megamoe"],
-          env: ["SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK=8320"] },
-      ],
-    },
   },
 
   // EXAMPLE cells — one per hardware family to show the shape. REPLACE each with