Update Qwen3.8-Flash-Next FP8 H200 SGLang AgentX image to v0.5.21-cu130

Pin lmsysorg/sglang:v0.5.21-cu130 by digest and rename the removed
--cuda-graph-max-bs alias to --cuda-graph-max-bs-decode.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: github-actions[bot]

inferencex-e2e/benchmarks/single_node/srt-slurm-recipes/qwen3.8next/sglang/h200-fp8-mtp/agentic.yaml

@@ -4,7 +4,7 @@ base:
   name: qwen3.8next-fp8-h200-sglang-agentic
   model:
     path: hf:Qwen/Qwen3.8-Flash-Next-FP8
-    container: lmsysorg/sglang:qwen38flashnext
+    container: lmsysorg/sglang:v0.5.21-cu130@sha256:b1259f3ea3275f66237c498ea388919729018bc9f01c3d638391e06e2cf3f469
     precision: fp8
   resources:
     gpu_type: h200
@@ -59,7 +59,7 @@ override_c1:
     agg:
       args:
         max-running-requests: 2
-        cuda-graph-max-bs: 1
+        cuda-graph-max-bs-decode: 1
   benchmark:
     env:
       CONC: '1'
@@ -69,7 +69,7 @@ override_c4:
     agg:
       args:
         max-running-requests: 8
-        cuda-graph-max-bs: 4
+        cuda-graph-max-bs-decode: 4
   benchmark:
     env:
       CONC: '4'
@@ -79,7 +79,7 @@ override_c8:
     agg:
       args:
         max-running-requests: 16
-        cuda-graph-max-bs: 8
+        cuda-graph-max-bs-decode: 8
   benchmark:
     env:
       CONC: '8'
@@ -89,7 +89,7 @@ override_c12:
     agg:
       args:
         max-running-requests: 24
-        cuda-graph-max-bs: 12
+        cuda-graph-max-bs-decode: 12
   benchmark:
     env:
       CONC: '12'
@@ -99,7 +99,7 @@ override_c16:
     agg:
       args:
         max-running-requests: 32
-        cuda-graph-max-bs: 16
+        cuda-graph-max-bs-decode: 16
   benchmark:
     env:
       CONC: '16'

inferencex-e2e/configs/nvidia-master.yaml

@@ -5391,7 +5391,7 @@ qwen3.5-fp8-h200-sglang-agentic-mtp:
 # low-latency single-node command, which shards the 512-expert MoE with expert
 # parallelism rather than sharding attention eight ways.
 qwen3.8next-fp8-h200-sglang-agentic-mtp:
-  image: lmsysorg/sglang:qwen38flashnext
+  image: lmsysorg/sglang:v0.5.21-cu130@sha256:b1259f3ea3275f66237c498ea388919729018bc9f01c3d638391e06e2cf3f469
   model: Qwen/Qwen3.8-Flash-Next-FP8
   model-prefix: qwen3.8next
   runner: cluster:h200-dgxc