Add CLI init template generation

[gregor-schueler]

Note: The sparsity_condition function in the full model is not JIT-compatible because:

• It uses Python control flow (if/or) with JAX arrays
• It returns inconsistent types (bool vs dict)

As a result, the simulate method in the full model will fail under jax.jit.

We may need to:

• Rewrite sparsity_condition using jax.lax.cond and consistent output types, or
• Skip JIT for methods that rely on this logic

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• need to update the jupyter notebook for full model

[review-notebook-app]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.72%. Comparing base (83037d3) to head (4803db5).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #167      +/-   ##
==========================================
- Coverage   95.87%   95.72%   -0.15%     
==========================================
  Files          68       61       -7     
  Lines        1768     1685      -83     
==========================================
- Hits         1695     1613      -82     
+ Misses         73       72       -1     

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