Revert "updated api respondes"

This reverts commit 796143264e008c233b74814cb8a25329dcf72543.

mcp_server.py

@@ -476,10 +476,11 @@ class GradioMCPServer(MCPServer):
             openrouter_model=openrouter_model
         )
 
-    def process_request(self, request: Dict[str, Any]) -> List[Any]:
-        """Process research requests and return a list of 4 elements for the Gradio interface"""
+    def process_request(self, request: Dict[str, Any]) -> Dict[str, Any]:
+        """Process research requests and return markdown report"""
         try:
             query = request.get('query', '')
+            output_format = request.get('format', 'markdown')
             
             if self.test_mode:
                 markdown_text = """# Test Mode Response
@@ -494,32 +495,27 @@ This is a sample report generated in test mode without using API credits.
 ## Test Results
 Sample analysis content...
 """
-                # Generate both markdown and HTML files for test mode
-                md_path = save_markdown_report(markdown_text)
-                html_path = convert_to_html(markdown_text)
+                file_path = save_markdown_report(markdown_text) if output_format == 'markdown' else convert_to_html(markdown_text)
             else:
                 # Use multi-agent system to process query
-                markdown_text = self.agent_system.process_query(query)
-                # Generate both markdown and HTML files
-                md_path = save_markdown_report(markdown_text)
-                html_path = convert_to_html(markdown_text)
-            
-            # Return list of 4 elements as expected by the Gradio interface
-            return [
-                "",  # Empty string for value_4 Textbox component
-                markdown_text,  # Research Results Markdown content
-                md_path,  # Download Markdown Report file path
-                html_path  # Download HTML Report file path
-            ]
+                report, _, _ = self.agent_system.process_query(query)
+                file_path = save_markdown_report(report) if output_format == 'markdown' else convert_to_html(report)
+                markdown_text = report
+                
+            # Return response with markdown content and file path
+            return {
+                "response": markdown_text,
+                "file_path": file_path,
+                "status": "success"
+            }
             
         except Exception as e:
             server_logger.error(f"Error processing request: {str(e)}")
-            return [
-                "",  # Empty string for value_4 Textbox component
-                f"Error: {str(e)}",  # Error message in Research Results
-                "",  # No markdown file to download
-                ""  # No HTML file to download
-            ]
+            return {
+                "response": f"Error: {str(e)}",
+                "file_path": None,
+                "status": "error"
+            }
 
     def create_interface(self) -> gr.Blocks:
         """Create the Gradio interface with markdown preview and file download"""