GitLab

* [Refactor] Improve Thread Variable Handling in Layout Inference

- Update layout inference to handle thread variables more robustly
- Add explicit size check between infer_list_ and thread_var_vec_
- Modify thread variable access to use per-iteration thread variable
- Simplify thread predicate retrieval logic
- Add minor code cleanup and return variable assignment

* [Refactor] Update Layout Inference Copyright and Simplify Return Logic

- Replace Apache License header with Microsoft Corporation copyright notice
- Simplify LayoutInference function by directly returning substituted function
- Remove unnecessary variable assignment in return statement

* [Refactor] Update Layout Inference Copyright to Tile-AI Corporation

- Change copyright notice from Microsoft Corporation to Tile-AI Corporation
- Maintain existing file structure and licensing header