- Add bootstrap error state and retry logic to useTerminalSessions hook to prevent indefinite 'Starting terminal' hang
- Add error/retry UI states in TerminalModal component with CSS styling
- Add tests for useTerminalSessions bootstrap error and retry behavior
- Refactor WorkflowStepManager with template support and improved UX
- Extract CSS from inline styles to stylesheet for terminal and workflow components
- Document terminal startup error handling and non-hanging guarantee in dashboard README