Revert "remove Vercel AI Gateway and Vercel Sandbox (#33067)"

This reverts commit febc4cfec0.

tools/code_execution_tool.py

@@ -288,6 +288,21 @@ def check_sandbox_requirements() -> bool:
     """Code execution sandbox requires a POSIX OS for Unix domain sockets."""
     if not SANDBOX_AVAILABLE:
         return False
+
+    try:
+        from tools.terminal_tool import (
+            _check_vercel_sandbox_requirements,
+            _get_env_config,
+        )
+
+        config = _get_env_config()
+    except Exception:
+        logger.debug("Could not resolve terminal config for execute_code availability", exc_info=True)
+        return False
+
+    if config.get("env_type") == "vercel_sandbox":
+        return _check_vercel_sandbox_requirements(config)
+
     return True
 
 
@@ -752,12 +767,13 @@ def _get_or_create_env(task_id: str):
         cwd = overrides.get("cwd") or config["cwd"]
 
         container_config = None
-        if env_type in {"docker", "singularity", "modal", "daytona"}:
+        if env_type in {"docker", "singularity", "modal", "daytona", "vercel_sandbox"}:
             container_config = {
                 "container_cpu": config.get("container_cpu", 1),
                 "container_memory": config.get("container_memory", 5120),
                 "container_disk": config.get("container_disk", 51200),
                 "container_persistent": config.get("container_persistent", True),
+                "vercel_runtime": config.get("vercel_runtime", ""),
                 "docker_volumes": config.get("docker_volumes", []),
                 "docker_run_as_host_user": config.get("docker_run_as_host_user", False),
                 "docker_network": config.get("docker_network", True),