fixing api usage for gemini

ai_client.py

@@ -506,20 +506,10 @@ def _send_gemini(md_content: str, user_message: str, base_dir: str, file_items:
             if not function_responses:
                 break
 
-            # Refresh file context after tool calls and inject as a text part
+            # Refresh file context after tool calls locally, but DO NOT inject as text part into Gemini.
+            # Gemini strictly expects only function_responses in this array.
             if file_items:
                 file_items = _reread_file_items(file_items)
-                refreshed_ctx = _build_file_context_text(file_items)
-                if refreshed_ctx:
-                    refreshed_text = (
-                        "[FILES UPDATED — current contents below. "
-                        "Do NOT re-read these files with PowerShell.]\n\n"
-                        + refreshed_ctx
-                    )
-                    if hasattr(types.Part, "from_text"):
-                        function_responses.append(types.Part.from_text(text=refreshed_text))
-                    else:
-                        function_responses.append(types.Part(text=refreshed_text))
 
             _append_comms("OUT", "tool_result_send", {
                 "results": sent_results_log