Add question analyzer

agent/utils/question_analyzer.py

@@ -307,3 +307,51 @@ class QuestionAnalyzer:
                 print(f"Error searching metadata for expected answer: {e}")
             
         return result
+    
+    def find_file_by_task_id(self, task_id: str) -> Optional[str]:
+        """
+        Find a file path by task_id in metadata.
+        
+        Args:
+            task_id: The task ID
+            
+        Returns:
+            File path if found, None otherwise
+        """
+        if not task_id:
+            return None
+            
+        # Check if we have this task_id in our metadata
+        if task_id in self.metadata:
+            file_name = self.metadata[task_id].get('file_name')
+            if file_name:
+                file_path = os.path.join(self.resource_dir, file_name)
+                if os.path.exists(file_path):
+                    print(f"Found file in metadata for task_id {task_id}: {file_path}")
+                    return file_path
+        
+        # Search through metadata file again to find the task_id
+        try:
+            with open(self.metadata_path, 'r', encoding='utf-8') as f:
+                for line in f:
+                    try:
+                        entry = json.loads(line.strip())
+                        if entry.get('task_id') == task_id and 'file_name' in entry:
+                            file_name = entry['file_name']
+                            file_path = os.path.join(self.resource_dir, file_name)
+                            if os.path.exists(file_path):
+                                print(f"Found file in metadata for task_id {task_id}: {file_path}")
+                                return file_path
+                            
+                            # If the file doesn't exist with the exact path, look for similar files
+                            for existing_file in os.listdir(self.resource_dir):
+                                if task_id in existing_file:
+                                    file_path = os.path.join(self.resource_dir, existing_file)
+                                    print(f"Found file matching task_id {task_id}: {file_path}")
+                                    return file_path
+                    except json.JSONDecodeError:
+                        continue
+        except Exception as e:
+            print(f"Error searching metadata for file by task_id: {e}")
+            
+        return None