diff --git a/litellm/responses/file_search/emulated_handler.py b/litellm/responses/file_search/emulated_handler.py
index 4700d673998..74a7d443c6c 100644
--- a/litellm/responses/file_search/emulated_handler.py
+++ b/litellm/responses/file_search/emulated_handler.py
@@ -409,6 +409,24 @@ async def _call_aresponses(
     return await aresponses(input=input, model=model, tools=tools, **kwargs)
 
 
+def _prepare_emulated_file_search_call(
+    kwargs: Dict[str, Any],
+) -> Tuple[bool, Dict[str, Any]]:
+    include_items: List[str] = list(kwargs.get("include") or [])
+    include_search_results = "file_search_call.results" in include_items
+
+    original_stream = kwargs.get("stream")
+    updated_kwargs = kwargs
+    if original_stream:
+        verbose_logger.debug(
+            "Streaming is not yet supported for emulated file_search. "
+            "Disabling stream for this request."
+        )
+        updated_kwargs = {**kwargs, "stream": False}
+
+    return include_search_results, updated_kwargs
+
+
 async def aresponses_with_emulated_file_search(
     input: Any,
     model: str,
@@ -423,17 +441,7 @@ async def aresponses_with_emulated_file_search(
     runs vector search, and synthesizes an OpenAI-format response.
     """
     # Determine whether caller wants search_results populated in the output.
-    _include: List[str] = list(kwargs.get("include") or [])
-    _include_search_results = "file_search_call.results" in _include
-
-    # Disable streaming for emulated file_search (not yet supported)
-    _original_stream = kwargs.get("stream")
-    if _original_stream:
-        verbose_logger.debug(
-            "Streaming is not yet supported for emulated file_search. "
-            "Disabling stream for this request."
-        )
-        kwargs = {**kwargs, "stream": False}
+    _include_search_results, kwargs = _prepare_emulated_file_search_call(kwargs=kwargs)
 
     # 1. Replace file_search tools with function tool
     transformed_tools, all_vs_ids = _replace_file_search_tools(tools)
diff --git a/litellm/responses/main.py b/litellm/responses/main.py
index 16f97773fc6..c82574278ba 100644
--- a/litellm/responses/main.py
+++ b/litellm/responses/main.py
@@ -668,6 +668,43 @@ def _resolve_model_provider_for_responses(
     return model, custom_llm_provider
 
 
+def _apply_managed_file_id_mapping(
+    input: Union[str, ResponseInputParam],
+    tools: Optional[Iterable[ToolParam]],
+    kwargs: Dict[str, Any],
+    local_vars: Dict[str, Any],
+) -> tuple[Union[str, ResponseInputParam], Optional[Iterable[ToolParam]]]:
+    model_file_id_mapping = kwargs.get("model_file_id_mapping")
+    model_info_id = (
+        kwargs.get("model_info", {}).get("id")
+        if isinstance(kwargs.get("model_info"), dict)
+        else None
+    )
+
+    input = cast(
+        Union[str, ResponseInputParam],
+        update_responses_input_with_model_file_ids(
+            input=input,
+            model_id=model_info_id,
+            model_file_id_mapping=model_file_id_mapping,
+        ),
+    )
+    local_vars["input"] = input
+
+    if tools:
+        tools = cast(
+            Optional[Iterable[ToolParam]],
+            update_responses_tools_with_model_file_ids(
+                tools=cast(Optional[List[Dict[str, Any]]], tools),
+                model_id=model_info_id,
+                model_file_id_mapping=model_file_id_mapping,
+            ),
+        )
+        local_vars["tools"] = tools
+
+    return input, tools
+
+
 @client
 def responses(
     input: Union[str, ResponseInputParam],
@@ -764,35 +801,10 @@ def responses(
         #########################################################
         # Update input and tools with provider-specific file IDs if managed files are used
         #########################################################
-        model_file_id_mapping = kwargs.get("model_file_id_mapping")
-        model_info_id = (
-            kwargs.get("model_info", {}).get("id")
-            if isinstance(kwargs.get("model_info"), dict)
-            else None
+        input, tools = _apply_managed_file_id_mapping(
+            input=input, tools=tools, kwargs=kwargs, local_vars=local_vars
         )
 
-        input = cast(
-            Union[str, ResponseInputParam],
-            update_responses_input_with_model_file_ids(
-                input=input,
-                model_id=model_info_id,
-                model_file_id_mapping=model_file_id_mapping,
-            ),
-        )
-        local_vars["input"] = input
-
-        # Update tools with provider-specific file IDs if needed
-        if tools:
-            tools = cast(
-                Optional[Iterable[ToolParam]],
-                update_responses_tools_with_model_file_ids(
-                    tools=cast(Optional[List[Dict[str, Any]]], tools),
-                    model_id=model_info_id,
-                    model_file_id_mapping=model_file_id_mapping,
-                ),
-            )
-            local_vars["tools"] = tools
-
         #########################################################
         # Native MCP Responses API
         #########################################################