Multi platform Plugin (#21388)

Co-authored-by: root <root@tjzj-inf-sci-k8s-bzz2-0183.tjzj.baidu.com>
Co-authored-by: Alex Nails <alex.nails@radixark.ai>
Co-authored-by: Alex Nails <alexj.nails@gmail.com>
Co-authored-by: root <root@tjzj-inf-sci-k8s-bzz2-0000.tjzj.baidu.com>
Co-authored-by: Mick <mickjagger19@icloud.com>

python/sglang/cli/serve.py

@@ -86,6 +86,10 @@ def serve(args, extra_argv):
             )
         return
 
+    from sglang.srt.plugins import load_plugins
+
+    load_plugins()
+
     model_type, dispatch_argv = _extract_model_type_override(extra_argv)
     model_path = get_model_path(dispatch_argv)
     try: