Skill description branding: replaced [Cali] prefix with [stelow] across 14 product skill descriptions. The description now reflects the project brand rather than the author's first name.
Skill authorship metadata: added author: calionauta and author-url: https://github.com/calionauta to all 25 SKILL.md frontmatter blocks. Documents project ownership in a machine-readable way.
Existing body attributions to calionauta (original content author) are preserved.