Merge branch 'dev_0.3.0' into carlos/secret_box - usawa

commit a4917672ac41bd09285c36b4c9d0e6aa3f7a272a
parent ae2de3d2ec019bec40794bc97eb043595add0dbb
Author: Carlosokumu <carlosokumu254@gmail.com>
Date:   Mon, 16 Mar 2026 10:19:10 +0300

Merge branch 'dev_0.3.0' into carlos/secret_box

	usawa Signed, immutable accounting.
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