config: constructing a config no longer resolves it (#35907)

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

examples/runtime/engine/save_remote_state.py

@@ -19,7 +19,6 @@ llm = Engine(
 )
 """
 
-import dataclasses
 from argparse import ArgumentParser
 from pathlib import Path
 
@@ -44,11 +43,12 @@ parser.add_argument(
 
 def main(args):
     engine_args = ServerArgs.from_cli_args(args)
+    engine_args.resolve_once()
     model_path = engine_args.model_path
     if not Path(model_path).is_dir():
         raise ValueError("model path must be a local directory")
     # Create LLM instance from arguments
-    llm = Engine(**dataclasses.asdict(engine_args))
+    llm = Engine(server_args=engine_args)
     llm.save_remote_model(
         url=args.remote_model_save_url, draft_url=args.remote_draft_model_save_url
     )

examples/runtime/engine/save_sharded_state.py

@@ -22,7 +22,6 @@ llm = Engine(
 )
 """
 
-import dataclasses
 import os
 import shutil
 from argparse import ArgumentParser
@@ -49,11 +48,12 @@ parser.add_argument(
 
 def main(args):
     engine_args = ServerArgs.from_cli_args(args)
+    engine_args.resolve_once()
     model_path = engine_args.model_path
     if not Path(model_path).is_dir():
         raise ValueError("model path must be a local directory")
     # Create LLM instance from arguments
-    llm = Engine(**dataclasses.asdict(engine_args))
+    llm = Engine(server_args=engine_args)
     Path(args.output).mkdir(exist_ok=True)
     llm.save_sharded_model(
         path=args.output, pattern=args.file_pattern, max_size=args.max_file_size

examples/runtime/token_in_token_out/token_in_token_out_vlm_engine.py

@@ -1,5 +1,4 @@
 import argparse
-import dataclasses
 from typing import Tuple
 
 from transformers import AutoProcessor
@@ -45,7 +44,7 @@ def token_in_out_example(
             model_override_args=server_args.json_model_override_args,
         ),
     )
-    backend = Engine(**dataclasses.asdict(server_args))
+    backend = Engine(server_args=server_args)
 
     output = backend.generate(
         input_ids=input_ids,
@@ -71,4 +70,5 @@ if __name__ == "__main__":
     ]
     args = parser.parse_args(args=args)
     server_args = ServerArgs.from_cli_args(args)
+    server_args.resolve_once()
     token_in_out_example(server_args)