Billy Bao ca9f30e1a1
Add tree_merge for law parsers, significantly outperforming hierarchical_merge (#10202)
### What problem does this PR solve?
Add tree_merge for law parsers, significantly outperforming
hierarchical_merge, solved: #8637
1. Add tree_merge for law parsers, include build_tree and get_tree by
dfs.
2. add Copyright statement for helath_utils
### Type of change

- [x] Documentation Update
- [x] Performance Improvement
2025-09-22 16:33:21 +08:00
..
2025-09-09 10:52:18 +08:00
2025-07-01 14:05:18 +08:00
2025-06-18 09:41:09 +08:00