Update codeowners

[coreyjadams]

PhysicsNeMo Pull Request

Update codeowners for the new repository structure.

Description

Checklist

• I am familiar with the Contributing Guidelines.
• New or existing tests cover these changes.
• The documentation is up to date with these changes.
• The CHANGELOG.md is up to date with these changes.
• An issue is linked to this pull request.
• If I am implementing a new model or modifying any existing model, I have followed the Models Implementation Coding Standards.

Dependencies

Review Process

All PRs are reviewed by the PhysicsNeMo team before merging.

Depending on which files are changed, GitHub may automatically assign a maintainer for review.

We are also testing AI-based code review tools (e.g., Greptile), which may add automated comments with a confidence score.
This score reflects the AI’s assessment of merge readiness and is not a qualitative judgment of your work, nor is
it an indication that the PR will be accepted / rejected.

AI-generated feedback should be reviewed critically for usefulness.
You are not required to respond to every AI comment, but they are intended to help both authors and reviewers.
Please react to Greptile comments with 👍 or 👎 to provide feedback on their accuracy.

[greptile-apps]

Greptile Overview

Greptile Summary

Restructured CODEOWNERS file with improved organization and comprehensive coverage across the repository structure.

Major changes:

• Reorganized from loose grouping to clear sections (top-level files, core framework, infrastructure, models, examples, tests)
• Added extensive ownership mappings for previously unowned directories and files
• Assigned owners to AFNO, FNO, RNN, SRRN, Pix2Pix, TopoDiff models that were previously marked as NEEDSOWNER
• Expanded coverage of examples across multiple domains (CFD, weather, healthcare, structural mechanics, etc.)
• Added detailed test ownership mappings matching source structure
• Improved documentation with section headers and better comments

Issues found:

• Line 73: Duplicate @loliverhennigh owner
• Line 202: References non-existent physicsnemo/models/gnn_layers/ directory (was moved to physicsnemo/nn/module/gnn_layers/ in V2.0 refactor but CODEOWNERS wasn't updated)

Important Files Changed

Filename	Overview
.github/CODEOWNERS	Comprehensive restructuring of CODEOWNERS with better organization and more granular ownership; found duplicate owner and stale directory reference

[greptile-apps]

_{1 file reviewed, 2 comments}

_{Edit Code Review Agent Settings | Greptile}

[greptile-apps]

@loliverhennigh listed twice

Suggested change

	physicsnemo/nn/functional/sdf.py @RishikeshRanade @loliverhennigh @loliverhennigh
	physicsnemo/nn/functional/sdf.py @RishikeshRanade @loliverhennigh

[greptile-apps]

physicsnemo/models/gnn_layers/ doesn't exist anymore - was moved to physicsnemo/nn/module/gnn_layers/ (already covered on line 77)

Suggested change

	physicsnemo/models/gnn_layers/ @mnabian
	# GNN layers moved to physicsnemo/nn/module/gnn_layers/