fix(typing): set eq_default=False for autoinit

[yspkm]

What changed

Set eq_default=False in the @dataclass_transform metadata for autoinit.

This affects static typing metadata only; runtime behavior is unchanged.

Why

While validating an FDTDX contribution, I found that ty 0.0.67+ reports @autoinit TreeClass subclasses as incompatible with Hashable.

The relevant check was introduced in ty 0.0.67, released on August 5, 2026. It rejects unhashable objects for Hashable protocols. The same checks pass with ty 0.0.66 and fail with ty 0.0.69.

autoinit only synthesizes __init__; it does not generate __eq__ or __hash__. However, the implicit eq_default=True causes type checkers to assume dataclass-style equality and treat the inherited TreeClass.__hash__ as disabled.

Setting eq_default=False aligns the typing metadata with the existing runtime behavior and preserves the inferred hashability of TreeClass subclasses.

Validation

• NumPy backend: 229 passed, 11 skipped
• ty 0.0.69 minimal reproduction: fails before this change and passes afterward

Evidence

[yspkm]

Added two small CI compatibility follow-ups: replaced the removed jax.tree_map usage in the docs and pinned JAX 0.4.13 only for Python 3.8. All JAX-backend tests pass locally on Python 3.8 through 3.11.

[yspkm]

Hello @ASEM000, when you have a chance, could you take a look at this PR? FDTDX relies heavily on pytreeclass, so I’d really appreciate your review. Thank you!

[ASEM000]

I will take a look asap.

[ASEM000]

looks fine to me.

[ASEM000]

can you bump up the version to 11.1 @yspkm and add a changelog entry?

[yspkm]

can you bump up the version to 11.1 @yspkm and add a changelog entry?

Thank you for taking a look. I've bumped the version to 0.11.1 and added the changelog entry. btw fdtdx currently tests against 3.11 and 3.14, so I will keep an eye on compatibility and follow up if needed.

[yspkm]

can you bump up the version to 11.1 @yspkm and add a changelog entry?

Thank you for taking a look. I've bumped the version to 0.11.1 and added the changelog entry. btw fdtdx currently tests against 3.11 and 3.14, so I will keep an eye on compatibility and follow up if needed.

Hello @ASEM000, version bumped to 0.11.1 with the changelog entry added. All checks are green now. Thanks!

[ASEM000]

Merged @yspkm Thanks. Will publish tomorrow

[yspkm]

Merged @yspkm Thanks. Will publish tomorrow

Thank you for merging this!