### What problem does this PR solve?
_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._
### Type of change
- [X] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
1. system monitor icon and text missing
2. Team knowledge base can't be search
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
---------
Signed-off-by: jinhai <haijin.chn@gmail.com>
### What problem does this PR solve?
feat: Capture task executor null value exception #3409
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: Display task executor tooltip with json-view #3409
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: Show task_executor heartbeat #3409
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._
Regarding the code merge #ca0c22f3184b9229e7e86de699842bb3b0e502c2, the
ragflow/web code will not run. This commit solves this problem.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):
### What problem does this PR solve?
feat: Fetch conversation list by @tanstack/react-query
feat: Displays error message that task_executor does not exist
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
fix: Add Task Executor to system panel #2061
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
fix: Set the default value of Self RAG to false #1220
fix: Change all tool file names to kebab format
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
feat: change all file names to lowercase #1574
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
#643 feat: display the version and backend service status on the page
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
