Zhichang Yu 6bf26e2a81
Optimize graphrag again (#6513)
### 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
2025-03-26 15:34:42 +08:00
..
2025-01-22 19:43:14 +08:00