Fix Agno workflow import

src/workflows_v2.py

@@ -5,8 +5,8 @@ from agno.agent import Agent
 from agno.models.openai import OpenAIChat
 from agno.tools.googlesearch import GoogleSearchTools
 from agno.utils.pprint import pprint_run_response
-from agno.workflow import Workflow
-from agno.workflow.types import WorkflowExecutionInput
+from agno.workflow.v2.types import WorkflowExecutionInput
+from agno.workflow.v2.workflow import Workflow
 from pydantic import BaseModel, Field
 
 from dotenv import load_dotenv
@@ -443,8 +443,7 @@ async def startup_validation_execution(
 startup_validation_workflow = Workflow(
     name="Startup Idea Validator",
     description="Comprehensive startup idea validation with market research and competitive analysis",
-    steps=startup_validation_execution,
-    workflow_session_state={},  # Initialize empty workflow session state
+    steps=startup_validation_execution  # Single function replaces all steps (Workflows 2.0 pattern)
 )