* feat(skills): guide CLI setup, named downloads and updates
* fix(skills): bound npm inventory checks on cold Windows runners
* fix(skills): align launch guide with 10xCards PRD journey
* fix(tests): make helper checks portable on Windows
* test(helpers): trace Windows npm pack startup
* fix(helpers): allow bounded Windows npm startup time
* fix(helpers): use released lesson-scoped skill filters
Correct setup/guide examples and sync ownership to match CLI 1.21.
Exercise the documented preview/write commands through CAC and the
real partial writer, preserving all three trees and the PRD schema.
Refs: https://github.com/przeprogramowani/10x-cli/pull/41
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Co-authored-by: Claude <noreply@anthropic.com>
przeprogramowani