Add new papers

Meta issue that should spawn individual issues mirroring the existing approaches, once the paper is included in the database.

## Papers
- [x] https://www.sciencedirect.com/science/article/abs/pii/S002002552300124X
- [x] https://arxiv.org/pdf/2404.09631.pdf
- ~~https://arxiv.org/pdf/2412.10675~~
- [x] https://arxiv.org/pdf/2411.14995
- [x] https://proceedings.kr.org/2024/76/kr2024-0076-balyo-et-al.pdf
- [x] https://ojs.aaai.org/index.php/ICAPS/article/view/31493
- [x] https://ieeexplore.ieee.org/document/9643159
- [x] https://arxiv.org/abs/2111.04997
- ~~https://arxiv.org/abs/2411.14995~~
- [x] https://arxiv.org/abs/2508.21449
- [x] https://arxiv.org/abs/2509.13389

## Issues, but not in DB
- [x] #171
- [x] #208

## Deep Search
- [ ] Full search on latest research (2021-) should be done -- anything that cites the landmark papers and/or surveys would be the place to start.