- Remove workflow_tool.py and all workflow-related backend code
- Delete all workflow database tables and create migration
- Remove workflow API endpoints and execution logic
- Clean workflow references from agent tools and triggers
- Remove playbooks tab and UI from agent configuration
- Eliminate workflow_id, workflow_input, and execution_type fields
- Simplify trigger system to agent-only execution
- Remove workflow tool definitions from tool registry
- Clean up TypeScript interfaces and remove workflow types
- Remove playbooks button from chat input
- Update all trigger components to remove workflow selection
- Clean workflow metadata from threads and sidebar
- Remove 80+ critical workflow code references
Simplifies codebase by eliminating complex dual-mode (agent/workflow)
execution system in favor of pure agent-based automation.