fix: Revert breaking changes

[jawoznia]

Revert breaking parts of
Refs:

• d4c94ca
• abfa2a5

[codecov]

Codecov Report

Attention: Patch coverage is 26.19048% with 31 lines in your changes missing coverage. Please review.

Project coverage is 70.12%. Comparing base (7fde418) to head (0da90d9).
Report is 5 commits behind head on main.

Files	Patch %	Lines
sylvia-derive/src/interface/communication/api.rs	45.00%	11 Missing ⚠️
sylvia/tests/interface_impl.rs	0.00%	11 Missing ⚠️
sylvia-derive/src/parser/entry_point.rs	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #416      +/-   ##
==========================================
- Coverage   70.88%   70.12%   -0.77%     
==========================================
  Files          53       53              
  Lines        3050     3076      +26     
==========================================
- Hits         2162     2157       -5     
- Misses        888      919      +31     

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[hashedone]

Fix changelog please, then we release that

[hashedone]

LGTM