c84870b968
- Introduced AIAgentFallbackMode with options for NoAnswer and SuggestRetry. - Updated AI agent edit component to include fallback mode selection. - Modified API types and payloads to accommodate fallback mode. - Removed deprecated KnowledgeFallbackMode and related logic from knowledge base. - Adjusted knowledge retrieval and response handling to utilize new fallback logic. - Updated tests to reflect changes in fallback mode handling for AI agents.