Add citation for property fitting and multi-task fine-tuning

[Chengqian-Zhang]

See title.

Summary by CodeRabbit

• Chores
  • Added a new research reference: a 2026 arXiv article on multi‑task fine‑tuning for atomistic models (new BibTeX entry).
• Documentation
  • Updated credits/acknowledgements to include the new bibliography item.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Added a new BibTeX article entry @article{Zhang_2026_multitaskfinetuning} to CITATIONS.bib and added a corresponding bibliography item block to doc/credits.rst. No existing entries or other files were modified.

Changes

Cohort / File(s)	Summary
Bibliography file CITATIONS.bib	Inserted new @article{Zhang_2026_multitaskfinetuning} with fields: annote, author list (Chengqian Zhang, Duo Zhang, Anyang Peng, Mingyu Guo, Yuzhi Zhang, Lei Wang, Guolin Ke, Linfeng Zhang, Tiejun Li, Han Wang), title, journal arXiv, year 2026, pages 2601.08486, doi 10.48550/arXiv.2601.08486.
Documentation credits doc/credits.rst	Added a bibliography directive/block referencing Zhang_2026_multitaskfinetuning (no other doc edits).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested reviewers

• iProzd
• wanghan-iapcm

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Add citation for property fitting and multi-task fine-tuning' directly and clearly summarizes the main change in the pull request: adding a bibliography entry for a paper on multi-task fine-tuning.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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📜 Recent review details

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 7b0eda1 and 6fcbd57.

📒 Files selected for processing (1)

• doc/credits.rst

🔇 Additional comments (1)

doc/credits.rst (1)

151-156: The BibTeX entry Zhang_2026_multitaskfinetuning exists in CITATIONS.bib with all required fields properly formatted. The publication year (2026) is correct—this is an arXiv preprint from January 2026 (arXiv:2601.08486), which aligns with the current date. The citation block in doc/credits.rst is correctly structured and consistent with existing entries.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.94%. Comparing base (2a9667e) to head (6fcbd57).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5152      +/-   ##
==========================================
- Coverage   81.94%   81.94%   -0.01%     
==========================================
  Files         713      713              
  Lines       73010    73009       -1     
  Branches     3616     3617       +1     
==========================================
- Hits        59825    59824       -1     
  Misses      12022    12022              
  Partials     1163     1163              

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[njzjz]

Also add to https://github.com/deepmodeling/deepmd-kit/blob/master/doc/credits.rst