* show app version in devui .NET: Python: Improved Versioning for DevUI
Fixes#2059
* feat: Add multimodal input support for workflows and refactor chat input
This PR adds support for multimodal content (images, files) in workflow
inputs and refactors the chat input into a reusable component.
## Multimodal Workflow Support
- Add `isChatMessageSchema()` to detect ChatMessage input schemas
- Update `RunWorkflowButton` to use `ChatMessageInput` for ChatMessage workflows
- Wrap multimodal content in OpenAI message format for backend processing
- Add `_is_openai_multimodal_format()` to detect OpenAI ResponseInputParam
- Update `_parse_workflow_input()` to route multimodal input through
existing `_convert_input_to_chat_message()` converter
## Reusable ChatMessageInput Component
- Extract chat input logic from agent-view into `ChatMessageInput` component
- Support file upload, drag & drop, paste handling, and attachments
- Add `useDragDrop` hook for parent-level drag handling with full-area
drop zones
- Refactor agent-view to use the new shared component
## Other Improvements
- Add `isStreaming` prop to executor nodes for animation control
- Clean up unused imports and state variables in agent-view
- Add tests for multimodal workflow input handling
Fixes workflow input not receiving images when using AgentExecutor nodes.
* add self loop edge, fix#2470
* fix test
Victor Dibia