### What problem does this PR solve?

Add license statement.

### Type of change

- [x] Refactoring

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

### What problem does this PR solve?

#4367

### Type of change

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

### What problem does this PR solve?

1. Update error message
2. Remove space characters

### Type of change

- [x] Refactoring

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

### What problem does this PR solve?

#4173

### Type of change

- [x] Performance Improvement

### What problem does this PR solve?

Rename page_num_list, top_list, position_list to page_num_int, top_int,
position_int

### Type of change

- [x] Refactoring

### What problem does this PR solve?

Fix errors detected by Ruff

### Type of change

- [x] Refactoring

### What problem does this PR solve?

#3794

### Type of change

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

### What problem does this PR solve?

Set Log level by env

### Type of change

- [x] Refactoring

### What problem does this PR solve?

Edit chunk shall update instead of insert it. Close #3679 

### Type of change

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

### What problem does this PR solve?

Fix graphrag + infinity bugs

### Type of change

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

### What problem does this PR solve?

Fix enable/disable bug   #3628

### Type of change

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

---------

Co-authored-by: liuhua <10215101452@stu.ecun.edu.cn>
Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

### What problem does this PR solve?

Fix es get NotFoundError

### Type of change

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

### What problem does this PR solve?

#3576

### Type of change

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

### What problem does this PR solve?

Added TRACE_MALLOC_DELTA and TRACE_MALLOC_FULL to debug task_executor.py
heap. Relates to #3518

### Type of change

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

### What problem does this PR solve?

#3560

### Type of change

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

### What problem does this PR solve?

#3541
### Type of change


- [x] Refactoring
- [x] Performance Improvement

### What problem does this PR solve?

Added kb_id filter to knn. Fix #3458

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

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

---------

Signed-off-by: jinhai <haijin.chn@gmail.com>

### What problem does this PR solve?

Fix logs. Use dict.pop instead of del.

### Type of change

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

### What problem does this PR solve?

Introduced [beartype](https://github.com/beartype/beartype) for runtime
type-checking.

### Type of change

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

### What problem does this PR solve?

Use consistent log file names, introduced initLogger

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [x] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### What problem does this PR solve?


### Type of change

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

### What problem does this PR solve?

Added doc for switching elasticsearch to infinity

### Type of change

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

Unified all log files into one.

### What problem does this PR solve?

Unified all log files into one.

### Type of change

- [x] Refactoring

### What problem does this PR solve?

Integration with Infinity

- Replaced ELASTICSEARCH with dataStoreConn
- Renamed deleteByQuery with delete
- Renamed bulk to upsertBulk
- getHighlight, getAggregation
- Fix KGSearch.search
- Moved Dealer.sql_retrieval to es_conn.py


### Type of change

- [x] Refactoring

### What problem does this PR solve?

#2834 
### Type of change

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

### What problem does this PR solve?

Using password authentication to access ElasticSearch is essential,
especially in a production environment.

This PR will enable password access support.

### Type of change

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

### What problem does this PR solve?

#709 
### Type of change

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

### What problem does this PR solve?

### Type of change

- [x] Refactoring

### What problem does this PR solve?


Issue link:#366

### Type of change

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

* Update .gitignore

* Update .gitignore

* Add resume parser and fix bugs

* add front end code

* change licence

* clean rust version project

* clean rust version project

* build python version rag-flow

* add alot of api

* clean rust version project

* clean rust version project

* build python version rag-flow

* add llm API

* refine llm API

* add field progress msg into docinfo; add file processing procedure

* go through upload, create kb, add doc to kb

* smoke test for all API

* smoke test for all API

* add field progress msg into docinfo; add file processing procedure

* go through upload, create kb, add doc to kb