[docs] fix sglang serve --model-path in cookbooks (#23905)

docs_new/src/snippets/autoregressive/deepseek-v32-deployment.jsx

@@ -174,7 +174,7 @@ export const DeepSeekV32Deployment = () => {
     // NVFP4: fixed config
     if (isNvfp4) {
       let cmd = 'sglang serve \\\n';
-      cmd += `  --model ${modelName}`;
+      cmd += `  --model-path ${modelName}`;
       cmd += ' \\\n  --tp 4';
       cmd += ' \\\n  --quantization modelopt_fp4';
       cmd += ' \\\n  --moe-runner-backend flashinfer_trtllm';
@@ -184,14 +184,14 @@ export const DeepSeekV32Deployment = () => {
     // MXFP4: fixed config for AMD
     if (isMxfp4) {
       let cmd = 'sglang serve \\\n';
-      cmd += `  --model ${modelName}`;
+      cmd += `  --model-path ${modelName}`;
       cmd += ' \\\n  --tp 8';
       cmd += ' \\\n  --trust-remote-code';
       return cmd;
     }
 
     let cmd = 'sglang serve \\\n';
-    cmd += `  --model ${modelName}`;
+    cmd += `  --model-path ${modelName}`;
 
     // Hardware platform specific parameters
     if (isAMD) {

docs_new/src/snippets/autoregressive/glm-5-deployment.jsx

@@ -152,7 +152,7 @@ export const GLM5Deployment = () => {
     const memFraction = hwConfig.mem;
 
     let cmd = 'sglang serve \\\n';
-    cmd += `  --model ${modelName}`;
+    cmd += `  --model-path ${modelName}`;
     cmd += ` \\\n  --tp ${tpValue}`;
 
     // NVFP4 B200: trtllm NSA backends, flashinfer fusion, FP8 KV cache.

docs_new/src/snippets/autoregressive/ministral-3-deployment.jsx

@@ -50,7 +50,7 @@ export const Ministral3Deployment = () => {
 
     let cmd = 'sglang serve \\\n';
 
-    cmd += `  --model ${modelCfg.modelId}`;
+    cmd += `  --model-path ${modelCfg.modelId}`;
 
     if (tp > 1) {
       cmd += ` \\\n  --tp ${tp}`;