Fix critical missing imports in PINN components#132

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BeathovenGala wants to merge 3 commits intoML4SCI:mainfrom

BeathovenGala:fix/missing-imports

Commits on Feb 4, 2026

refactor(utils/test.py): support multiple dataset paths and modular transforms
BeathovenGala
committed

Commits on Feb 5, 2026

Refactor: Modular LensDataset and transforms
BeathovenGala
committed

Commits on Feb 9, 2026

Fix missing imports in PINN components
BeathovenGala
committed