Update tools_service.py

tools_service.py

@@ -86,10 +86,29 @@ QUAN TRỌNG:
             
             tool_call = json.loads(json_str)
             
-            # Handle nested structure from HF API
+            # Handle multiple JSON formats from LLM
+            
+            # Format 1: HF API nested wrapper
             # {"name": "tool_call", "arguments": {"tool_call": true, ...}}
+            if "name" in tool_call and "arguments" in tool_call and isinstance(tool_call["arguments"], dict):
+                if "tool_call" in tool_call["arguments"]:
+                    tool_call = tool_call["arguments"]  # Unwrap
+            
+            # Format 2: Direct tool name format
+            # {"name": "tool.get_event_details", "arguments": {"event_code": "..."}}
             if "name" in tool_call and "arguments" in tool_call:
-                tool_call = tool_call["arguments"]  # Unwrap
+                function_name = tool_call["name"]
+                # Remove "tool." prefix if exists
+                if function_name.startswith("tool."):
+                    function_name = function_name.replace("tool.", "")
+                
+                # Convert to standard format
+                tool_call = {
+                    "tool_call": True,
+                    "function_name": function_name,
+                    "arguments": tool_call["arguments"],
+                    "reason": "Converted from alternate format"
+                }
             
             # Validate tool call structure
             if not tool_call.get("tool_call"):