### What problem does this PR solve?
fix: new message appears in wrong chat window. #1289

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

fix: remove duplicate MessageItem #1289

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

feat: add description text to operators #918 
feat: drag the operator to the canvas and initialize the form data #918
feat: extract the useFetchModelId to logicHooks.ts
### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: add CreateFlowModal #918

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: catch errors when sending messages #918

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?
feat: add OperateDropdown
feat: send debug message #918 

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: add FlowChatBox #918 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: Support for conversational streaming
#709

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: support GPT-4o  #771 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Make the app name configurable even after the project is built #730 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: add file icon to table of FileManager #345
fix: modify datasetDescription

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Support Traditional Chinese

Issue link: #335
### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

change language

Issue link: #245



- [x] New Feature (non-breaking change which adds functionality)

* feat: select the corresponding parsing method according to the file type

* feat: after the document is successfully uploaded, use the ChunkMethodModal  to select the parsing method.

* feat: add pdf types to ParserListMap

* feat: remove ChunkMethodModal from knowledge-file