P1-4: alloy migration — to_df macro & python crate

[trial123Zel]

Roadmap task

P1-4

Problem

The cryo_to_df proc-macro and the cryo_python crate interact with alloy types and the pyo3 stack; both must be updated for alloy 1.x.

Affected files

• crates/to_df/
• crates/python/

Acceptance criteria

• The to_df macro expands correctly and the Python bindings build and import.

Validation method

cargo build --workspace; build the Python wheel and import it.

References & credit

ROADMAP P1-4. Depends on P1-2 and P1-3. Reference: upstream PR paradigmxyz#244 (@clouds56).

[trial123Zel]

Completed in Phase 1 PR #63 (merged as 72d5f62). Auto-close missed this issue — GitHub's Closes #a, #b syntax only closes the first number, so closing manually.