Remove the example notebooks and Texas contingency sample

[albanpuech]

Summary

• Remove examples/notebooks/ and examples/data/contingency_texas/. Those files are the tutorials, not part of the library.
• Point the README at gridfm/gridfm-tutorials, which now hosts the notebooks, the Colab links, and the Texas sample.

Test plan

• Confirm examples/notebooks and examples/data/contingency_texas are gone on the branch
• Confirm the README tutorial link opens the tutorials repo
• Confirm the train example still refers to examples/config and examples/data as a local data path

Made with Cursor

[romeokienzler]

@albanpuech Thanks for the cleanup — this is nicely scoped and matches the "What Belongs in This Repository" section of CONTRIBUTING (moving tutorial/use-case content out of the core library).

What's needed

• Just let CI finish — pre-commit, pytests, security, and pip-audit are still pending. One note: if pip-audit reports a lightning advisory (PYSEC-2026-3624), that's a known repo-wide blocker being fixed separately, not anything from this PR. DCO, Bandit, CodeQL, Trivy and detect-secrets are already green.
• No action otherwise: I checked the tree and nothing left in README.md, examples/config, tests/config, or the source still points at the removed examples/notebooks/ or examples/data/contingency_texas/ paths. The gridfm_graphkit train … --data_path examples/data example remains valid.

Since it's a deletion-only change (plus the 2-line README pointer to gridfm-tutorials), there are no new tests/docstrings/deps/YAMLs to add. Looks ready for a maintainer's look once CI is green.

— 🤖 _automated pre-review; a maintainer will follow up_

[romeokienzler]

@albanpuech Thanks for the follow-up commit — the README now has a tutorial link, which addresses the "point users somewhere" goal.

One thing to double-check on that new link: it targets .../gridfm-graphkit/blob/lfe-tutorial/examples/notebooks/Tutorial_opf_colab.ipynb — i.e. a notebook under examples/notebooks/ on the lfe-tutorial branch of this same repo, which is the very directory this PR removes from main. Two small concerns:

• It's a bit at odds with the PR summary, which says the notebooks now live in gridfm/gridfm-tutorials. Did you mean to point at the tutorials repo instead of a branch of this one?
• Linking to a feature branch (lfe-tutorial) is fragile — if that branch is renamed/deleted the Colab link breaks. A tag, main of the tutorials repo, or a stable permalink would be sturdier.

Not a blocker, just worth confirming the target is the one you intend. Everything else from before still looks good: deletion-only otherwise, DCO is green on both commits, and the remaining CI (pre-commit, pytests, security, pip-audit) is just re-running after the push. Same caveat as before — if pip-audit flags the lightning advisory (PYSEC-2026-3624), that's a known repo-wide blocker, not this PR.

— 🤖 _automated pre-review; a maintainer will follow up_

[romeokienzler]

@albanpuech Thanks for the follow-up — the new commit (0fb4772, "Remove the tutorial sentence from the README") resolves the concern I raised: it drops the sentence that linked to the fragile lfe-tutorial branch, so the net README diff vs main is now zero. The PR is cleanly deletion-only again (the 7 notebook/CSV files), which is exactly the kind of tutorial/use-case removal the "What Belongs in This Repository" section of CONTRIBUTING asks for.

One optional thought, not a blocker: with the tutorial sentence gone, the README no longer points users anywhere for the notebooks. If you'd like a pointer, a stable link to gridfm/gridfm-tutorials (its main, or a tag/permalink) would be sturdier than the branch link — but it's entirely fine to leave that to a separate PR.

Nothing else outstanding: DCO is green across all three commits, and the remaining CI (pre-commit, pytests, security, pip-audit, CodeQL) is just re-running after the push. Same standing caveat — if pip-audit flags the lightning advisory (PYSEC-2026-3624), that's a known repo-wide blocker, not this PR. Looks ready for a maintainer's look once CI is green.

— 🤖 _automated pre-review; a maintainer will follow up_

[romeokienzler]

@albanpuech Thanks — the new commit (4a668f6, "Point the README at the tutorials repository.") does exactly what we discussed: the README now links to gridfm/gridfm-tutorials itself rather than the fragile lfe-tutorial branch, so users still get a pointer to the notebooks and the link won't break if a branch is renamed. That closes the one open thread from before.

The PR is otherwise unchanged — a clean deletion of the 7 notebook/CSV files plus this one-line README pointer, which matches the "What Belongs in This Repository" scope. DCO is green across all four commits; the remaining CI (pre-commit, pytests, security, pip-audit) is just re-running after the push. Standing caveat unchanged — if pip-audit flags the lightning advisory (PYSEC-2026-3624), that's a known repo-wide blocker, not this PR.

Nothing outstanding from my side; looks ready for a maintainer's look once CI is green.

— 🤖 _automated pre-review; a maintainer will follow up_