[When parsing documents with graph, an error
occurred:[ERROR][Exception]: 'method']
(https://github.com/infiniflow/ragflow/issues/6835)
### What problem does this PR solve?

Close #6786

### 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):

Co-authored-by: cm <caiming@sict.ac.cn>

### What problem does this PR solve?

Fix set_graph on non-existing edge

### Type of change

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

### What problem does this PR solve?

Log llm response on exception

### Type of change

- [x] Refactoring

### What problem does this PR solve?

EntityResolution batch

### Type of change

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

### What problem does this PR solve?

Rename graphrag task lock

### Type of change

- [x] Refactoring

### What problem does this PR solve?

Removed set_entity and set_relation to avoid accessing doc engine during
graph computation.
Introduced GraphChange to avoid writing unchanged chunks.

### Type of change

- [x] Performance Improvement

### What problem does this PR solve?

1. miss completion delimiter.
2. miss bracket process.
3. doc_ids return by update_graph is a set, and insert operation in
extract_community need a list.


### Type of change

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

### What problem does this PR solve?

Optimized graphrag again

### Type of change

- [x] Performance Improvement

### What problem does this PR solve?

Refactor graphrag to remove redis lock

### Type of change

- [x] Refactoring

### What problem does this PR solve?

Made task_executor async to speedup parsing

### Type of change

- [x] Performance Improvement

### What problem does this PR solve?

#4543

### Type of change

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